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description m pd17012gf-055 is 4-bit cmos microcontroller for pll frequency synthesizer-method digital tuning, which is capable of receiving european fm, mw, and lw. the external appearance is 64-pin plastic qfp in which the prescaler (150 mhz max.), pll frequency synthesizer, and if counter are integrated. also, since it can use various rds (radio data system) functions in the fm band, it is possible for a car-mounted stereo and the high-performance multi-functional fm, mw, and lw tuner to be configured in a single chip. features ? can receive european fw, mw, and lw bands. ? preset memory of 6 stations in fm1, fm2, and am, respectively (thus totaling 18 stations) ? one last-channel station memory for each band, fm1, fm2, and am ? rich in station-select functions, such as selection of stations through manual or auto-seek up/down, preset memory scan, auto store memory (sorting stations with strong sd signals in the order of frequency), etc. ? rds decode function ? traffic information stand-by (ta/dk stand-by) function ? m pd16431a is used for the lcd controller/driver ? clock function with 12- or 24-hour display (no-clock also possible) ? program name display function based on rds-broadcast data ? af function for 25 stations, handling methods a and b ? supporting electronic volume ? supporting detachable panel ? 5 v 10 %: single power supply ordering information part number package m pd17012gf-055-3be 64-pin plastic qfp (14 20 mm) m pd17012gf-055 mos integrated circuit single-chip microcontroller with on-chip prescaler, pll frequency synthesizer, and if counter for car-mounted fm/mw/lw radio document no. u10451ej1v0ds00 (1st edition) date published november 1995 p printed in japan 1995 preliminary data sheet the information in this document is subject to change without notice.
2 m pd17012gf-055 function overview receive frequency, channel space, reference frequency, intermediate frequency item receive channel reference intermediate frequency space frequency frequency band fm 87.50 e 108.00 mhz 50 khz 50 khz 10.7 mhz 450 khz mw 522 e 1620 khz 9 khz 9 khz 459 khz 10.71 mhz 450 khz lw 144 e 281 khz 1 khz 1 khz 459 khz 10.71 mhz channel selection function (1) manual tuning type description manual up / pressing the key once moves the frequency up/down by a step. manual down keeping the key pressed for over 0.5 second will result in fast forward. (2) auto tuning type description seek up / searches for broadcasting stations in up/down directions. if a station is seek down detected, the frequency of the station is retained. in rds mode, only rds broadcasting stations are searched for. in tp/sk mode, only traffic information stations are searched for. (3) preset memory data on 6 broadcasting stations can be stored for each of the bands (fm1, fm2, am), totaling 24 stations. (4) auto store memory broadcasting stations are searched for starting from the lowest frequency. detected stations are written in preset memory starting from the highest sd level. afterwards, they are sorted in order of the frequency. (5) last channel memory equipped with last channel memory independently for each of the fm1, fm2, and am bands. (6) auto retuning if no sd signal can be detected for about 20 seconds or longer during reception of a broadcasting station, auto retuning is started automatically. (7) tp/sk auto retuning if no sd or tp/sk signal is detected for 30 seconds or longer in tp/sk mode during reception of a broadcasting station, auto retuning to detect tp/sk stations is started automatically.
3 m pd17012gf-055 rds function (1) broadcasting station name display displays the name of the broadcasting station whose programs are currently being received, by using the ps code. (2) af operation af list of up to 25 stations can be incorporated to handle method a and method b. (3) switchover to a traffic information station ta or tp data detected during tp/sk stand-by cause a switch to a traffic information station. (4) pty alarm if a pty code (= 31) alarm is received, is displayed and the sound is switched to the tuner. (5) rds memory equipped with rds memory for 14 stations, namely, preset memory for 6 stations each in fm1 and fm2, and the last channel memory for each of fm1 and fm2. clock function (1) capable of 12-hr (with am and pm showing) and 24-hr displays. (2) use of a flashing colon (:) (1 hz) can be selected. (3) in no-clock mode, backup is possible with low power consumption. tape function (1) sound switchover can be made by tape signal input. (2) the tape run direction can be displayed. (3) capable of noise reduction output (4) metal tape compatible cd function (1) capable of sound switchover by cd signal input electronic volume function (1) the values of volume/bass/treble/balance/fader can be set. (2) supporting attenuator/loudness
4 m pd17012gf-055 pin configuration (top view) caution connect ic pin to gnd directly. remarks 1. ic: internally connected pins 2. ( ): applies to the m pd17012gf pins. ic (pya 6 ) ic (pya 7 ) ic (pya 8 ) lcdpwr (pya 9 ) metal (pya 10 ) nr (pya 11 ) mono (pya 12 ) pwrout (pya 13 ) lcdstb (pya 14 ) lpfsel (pya 15 ) ic (p2e 0 ) ic (p2f 0 ) ic (p2g 0 ) ic (p2h 0 ) ic (com 0 ) ic (com 1 ) ic (com 2 ) stereo (p1d 0 ) r/l (p1d 1 ) sk (p1a 1 ) dk (p1a 0 ) eo v dd1 am (vcol) fm (vcoh) ce v dd2 scl (p0a 2 ) so (p0a 1 ) si (p0a 0 ) fmifc (p1b 3 ) amifc (p1b 2 ) kreq (adc 1 /p1b 1 ) sd (adc 0 /p1b 0 ) pnl (p0b 3 ) pwrin (p0b 2 ) alarm (p0b 1 ) beep (p0b 0 ) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 rdsclk (int) rdsdata (p1a 2 ) d 0 (p0d 0 ) d 1 (p0d 1 ) d 2 (p0d 2 ) d 3 (d0d 3 ) ic (gnd) ds 0 (pya 0 ) ds 1 (pya 1 ) ds 2 (pya 2 ) ds 3 (pya 3 ) ic (pya 4 ) ic (pya 5 ) band 1 (p1c 3 ) band 0 (p1c 2 ) mode 1 (p1c 1 ) mode 0 (p1c 0 ) x out x in gnd volsda (p0c 3 ) volscl (p0c 2 ) mute (p0c 1 ) ifcreq (p0c 0 ) cd (p1d 3 ) tape (p1d 2 ) 64 63 62 61 60 59 58 57 56 55 54 53 52 20 21 22 23 24 25 26 27 28 29 30 31 32 pd17012gf-055-3be
5 m pd17012gf-055 contents 1. pin functions ............................................................................................................................... .. 7 2. key matrix configuration ..................................................................................................... 12 2.1 allocation of initialize diode matrix ...................................................................................... 12 2.2 connection of initialize diode matrix ................................................................................... 12 2.3 allocation of momentary key matrix .................................................................................... 13 2.4 description of key matrix ....................................................................................................... 14 2.4.1 initialize diode matrix ..................................................................................................................... 14 2.4.2 momentary key ............................................................................................................................... 18 3. mode transitions ....................................................................................................................... 28 4. data output to lcd controller/driver ( m pd16431a) .................................................. 29 4.1 data input/output timing ....................................................................................................... 30 5. rds (radio data system) function ........................................................................................... 33 5.1 rds data incorporation .......................................................................................................... 33 5.2 rds data processing .............................................................................................................. 34 5.2.1 pi (program identification) ............................................................................................................. 34 5.2.2 ps (program service name) ......................................................................................................... 35 5.2.3 pty (program type) ...................................................................................................................... 35 5.2.4 af (alternative frequency) ............................................................................................................ 35 5.2.5 tp (traffic program identification), ta (traffic announcement identification) ........................... 40 6. mute timing ............................................................................................................................... ..... 41 6.1 tuner operation ....................................................................................................................... 41 6.1.1 preset memory reading .................................................................................................................. 41 6.1.2 preset scan ............................................................................................................................... ...... 44 6.1.3 preset memory writing ................................................................................................................... 44 6.1.4 seek up/down ............................................................................................................................... .. 46 6.1.5 manual up/down ............................................................................................................................. 49 6.1.6 auto store memory ......................................................................................................................... 50 6.1.7 af switchover ............................................................................................................................... .. 51 6.2 mode switchover ..................................................................................................................... 54 6.2.1 radio mode ? tape/cd mode .................................................................................................. 54 6.2.2 traffic information broadcasting/pty alarm ? tape/cd mode (tp/sk mode) ........................ 55 6.3 ce pin ...................................................................................................................... ................. 55 6.3.1 low level ? high level ................................................................................................................... 55 6.3.2 high level ? low level .................................................................................................................... 55 6.4 detecting the detachable panel ............................................................................................ 56 6.5 power control .......................................................................................................................... 57 6.5.1 timing of power on ? off transitions by key ................................................ 57 6.5.2 timing of power on ? power off transitions by detachable panel .................................. 58 power
6 m pd17012gf-055 7. lcd panel ............................................................................................................................... ........ 59 7.1 lcd panel configuration ........................................................................................................ 59 7.2 lcd pin assignment ............................................................................................................... 59 7.3 description of lcd panel display ......................................................................................... 62 8. system configuration example .......................................................................................... 68 9. electrical specifications (preliminary) ........................................................................ 69 10. package drawing ....................................................................................................................... 72 11. recommended soldering conditions ................................................................................ 73 appendix description of electronic volume control ................................................. 74 appendix 1. function of electronic volume ............................................................................... 74 appendix 2. description of the electronic volume control ...................................................... 74 appendix 3. initial electronic volume value settings ............................................................... 75 appendix 4. electronic volume data output timing ................................................................. 76 appendix 4.1 initial data setting output timing ......................................................................................... 76 appendix 4.2 volume data output timing ................................................................................................. 77 appendix 4.3 loudness data output timing ............................................................................................. 77 appendix 4.4 attenuator data output timing ............................................................................................ 78 appendix 4.5 sound source switchover data output timing .................................................................... 79 appendix 4.6 bass data output timing ..................................................................................................... 79 appendix 4.7 treble data output timing ................................................................................................... 80
7 m pd17012gf-055 1. pin functions pin no. symbol pin name description i/o format 1 sk sk signal input this input pin detects the sk signal (traffic information input broadcasting station identification) of a vf broadcasting station. it is output at low level. if vf broadcasting stations are not in use, please pull it up. 2 dk dk signal input this input pin detects the dk signal (traffic information input on-air identification) of a vf broadcasting station. it is output at low level. if vf broadcasting stations are not in use, pull it up. 3 eo error out this refers to the output from the charge pump of the pll cmos frequency synthesizer. if the value which has divided the 3-state local oscillator frequency is higher than the reference output frequency, high level is output from these pins. if the value is lower, low level is output. if the value is the same as the reference frequency, it results in floating. 4v dd1 power input this is the pin for positive power. it supplies the 5 v 10% ? 8v dd2 voltage when running the cpu and peripheral devices. it is possible to retain data at 2.2 v when the clock has stopped. when v dd is started up, the device is reset by the built-in power-on reset circuit. avoid applying a voltage higher than v dd to any pins other than v dd (v dd1 , v dd2 ). be careful about this especially when simultaneously starting up the v dd and ce pins, because application of a higher voltage may cause latch-up. ensure that the v dd1 pin and the v dd2 pin are connected to the same electric potential. 5 am am local oscillation this pin is for inputting the local oscillation output (vco input input output) of the am (mw, lw) band. when the mw or lw band is received, the pin becomes active; in other cases, it is internally pulled down. the inputtable frequency range is 0.5 to 30 mhz (0.3 v p-p ). since the pin connects to a built-in ac amplifier, please use a capacitor to cut out the dc portion before inputting. 6 fm fm local oscillation this pin is for inputting the local oscillation output (vco input input output) of the fm band. when the fm band is received, the pin becomes active; in other cases, it is internally pulled down. the inputtable frequency range is 9 to 150 mhz (0.3 v p-p ). since the pin connects to a built-in ac amplifier, please use a capacitor to cut out the dc portion before inputting. 7 ce chip enable this is the device selection signal input pin. input to make a device perform usual operations (such as radio, tape, cd, clock), high level is input. at low level, this pin is placed in the backup state, with the radio, tape, and cd turned off. it is possible to place this pin in the backup state with low current consumption by turning off the clock display (initialize diode noclk = 1).
8 m pd17012gf-055 pin no. symbol pin name description i/o format 9 scl clock signal output this is the lcd controller/driver ( m pd16431a) clock cmos signal output pin. push-pull output 10 so serial data output this is the lcd controller/driver ( m pd16431a) serial data cmos output pin. push-pull for the connection to the m pd16431a, refer to figure 4-1. output m pd16431a pin configuration. 11 si serial data input this is the lcd controller/driver ( m pd16431a) serial data cmos input pin. push-pull connect pull-up resistor externally. 12 fmifc fm intermediate this is the intermediate frequency (if) input pin for the input frequency input fm band. the inputtable frequency range is 5 to 15 mhz (0.3 v p-p ). since the pin connects to a built-in ac amplifier, use a capacitor to cut out the dc portion before inputting. this pin is used to detect the presence/absence of a broadcasting station during auto tuning when the initialize diode is set to fm sd/if switch = 1. the input frequency condition for determining that there is a broadcasting station is as follows: band input frequency range fm 10.7 mhz 12.5 khz the input frequency range refers to the frequency range in which input must be made within 10 ms after pll is locked. 13 amifc am intermediate this is the intermediate frequency (if) input pin for the input frequency input am band. the inputtable frequency range is 0.1 to 1.0 mhz (0.3 v p-p ). since the pin connects to a built-in ac amplifier, please use a capacitor to cut out the dc portion before inputting. this pin is used to detect the presence/absence of a broadcasting station during auto tuning when the initialize diode is set to am sd/if switch = 1. the input frequency condition for determining that there is a broadcasting station is as follows: band input frequency range 450 khz 3 khz mw 459 khz 3 khz 450 khz 3 khz lw 459 khz 3 khz the input frequency range refers to the frequency range in which input must be made within 10 ms after pll is locked. 14 kreq key request signal this input pin detects the key request signal of lcd input input controller/driver m pd16431a. key detection occurs at high level.
9 m pd17012gf-055 pin no. symbol pin name description i/o format 15 sd station detection this is the input pin for detecting broadcasting station input signal input detection signal. this pin is used to detect the presence of a broadcasting station during auto-tuning. also, for the case where initialization diode retune = 0, if, while receiving a broadcasting station, this pin is at less than the sd input voltage continuously for at least about 20 seconds, an upward seek operation is started. after the pll has locked, if a voltage greater than the sd input voltage is applied during the sd stabilization wait period, sd is assumed present. in rds mode in the fm band, the pin is checked as one of the conditions for the start of af operation. 16 panel panel detach this is the detachable panel detection signal input pin. input detection signal low level is interpreted as panel in the mounted state; input high level is interpreted as panel in the detached state. 17 pwrin power key input this is the input pin for power key. input it turns the power on/off at the rising edge. also, it operates the same as the key of the momentary key. 18 alarm traffic information this is the output pin for traffic information alarm. cmos alarm output when there is no traffic information station identification push-pull signal in the tp/sk mode in the fm band, an alarm sound output with a frequency of 3 khz is output on and off about every 0.5 second. 19 beep beep output this is the beep output pin. cmos it outputs about 40 ms of square waves with frequency push-pull of 3 khz and duty factor of 50 %. output the beeping sound is issued in the following cases: 1 when a valid key is pressed 2 when the hold of about 5 seconds during a preset scanning operation is ended 3 when writing is performed in preset memory. 20 band 1 band switchover this is the band switchover signal output pin. cmos 21 band 0 signal output if a new receiving band is switched to by means of the band push-pull switchover key, depending on the band, the following output output. pin band 0 band 1 band mw 0 0 lw 1 0 fm 1 (0 : low level 1 : high level : don?t care) 22 mode 1 mode signal output these output pins show the operation mode of the cmos 23 mode 0 m pd17012gf-055. the modes are as follows: push-pull output mode mode 0 mode 1 tuner 0 0 cd 0 1 tape 1 0 (0 : low level 1 : high level) power
10 m pd17012gf-055 pin no. symbol pin name description i/o format 24 x out crystal resonator this pin is for connecting the crystal resonator. cmos 25 x in a 4.5-mhz crystal resonator is connected. push-pull when using the clock function, the precision of the oscil- input lator frequency affects that of the clock. adjust the oscillator frequency while observing the pll local oscillator frequency. 26 gnd ground this is the ground pin. ? 27 volsda electronic volume this is the serial data i/o pin with electronic volume. n-ch data input/output because this is an n-ch open-drain output, connect pull-up open-drain resistor externally. output 28 volscl electronic volume this is the serial data input pin with electronic volume. n-ch data output because this is an n-ch open-drain output, connect pull-up open-drain resistor externally. output 29 mute mute signal output this is the sound mute signal output pin. n-ch it is output at low level. open-drain it is used to remove the shock noise occurring when the output pll lock is not in place in radio mode, or to switchover the mode pin output. for this is n-ch open-drain output, connect pull-up resistor externally. 30 ifcreq if count request this is the if count request signal output pin. n-ch signal output it outputs high-level with sd during seek. open-drain because this is an n-ch open-drain output, connect pull-up output resistor externally. 31 cd cd play signal input this is the cd play signal input pin. input by inputting high level to this pin, the sound source (mode output) can be switched to cd. the cd play signal takes precedence over the tape signal. 32 tape tape signal input this is the tape signal input pin. input by inputting high level to this pin, the sound source (mode output) can be switched to tape. 33 r/l tape run signal this is the tape run signal input pin. input input it is used for display on the lcd panel. enter data as follows. r/l pin tape run direction low level left ? right high level right ? left 34 stereo stereo signal input this is the stereo signal input signal. input enter data as follows. stereo pin description low level stereo broadcasting high level monaural broadcasting bands other than fm are invalid. 35-41, ic internal connection connect this pin to the gnd directly. ? 49-53, 58
11 m pd17012gf-055 pin no. symbol pin name description i/o format 42 lpfsel lpf time-constant this signal output pin is for switching over the lpf time- cmos switchover signal constant of the tuner during af operation. push-pull output during af operation, high level is output as shown below. output 43 lcdstb strobe signal output this is the lcd controller/driver ( m pd16431a) strobe cmos signal output pin. this is output at low level. push-pull output 44 pwrout power-on detection this is the power-on detection signal output pin. cmos signal output push-pull output 45 mono monaural output this is the monaural output pin. cmos push-pull output 46 nr noise reduction this is the noise reduction output pin. cmos output push-pull output 47 metal metal output this is the metal output pin. cmos push-pull output 48 lcdpwr lcd power output this is the power signal output pin of the lcd controller/driver cmos ( m pd16431a). push-pull output 54 ds 3 initialize diode this is the source signal output pin of the initialize diode cmos ?? source signal output matrix. push-pull 57 ds 0 output 59 d 3 initialize diode this is the return signal input terminal of the initialize diode input with ?? return signal input matrix. pull-down 62 d 0 resistor 63 rdsdata rds data signal this is the rds data signal input pin. input input please input the data signal from the rds signal detection part. data is read on the falling edge of the rds clock. 64 rdsclk rds clock input this is the rds clock input pin. input please enter the clock signal from the rds signal detection part. please input as accurate a clock as possible, because bit synchronization detection by clock signal width is not performed in the m pd17012gf-055. less than 8 ms lpfsel n value change pll lock wait time - 1 1
12 m pd17012gf-055 2. key matrix configuration 2.1 allocation of initialize diode matrix input pin ds 3 (54) ds 2 (55) ds 1 (56) ds 0 (57) output pin d 0 (62) fm sd/if am sd/if amif1 amif2 d 1 (61) clk24 flash noclk retune d 2 (60) mesel pridisp volfunc primanu d 3 (59) clkdsp ? ? ? 2.2 connection of initialize diode matrix initialize diode = d n ds n 64 63 62 61 60 59 58 57 56 55 54 d 0 d 1 d 2 d 3 ic ds 0 ds 1 ds 2 ds 3 pd17012gf-055
13 m pd17012gf-055 2.3 allocation of momentary key matrix ks1-ks7 : key source signal output (connected to pins 25-31 of m pd16431a) key1-key4 : key return signal input (connected to pins 2-5 of m pd16431a) ks1 ks2 ks3 ks4 ks5 ks6 ks7 key1 m1 m2 m3 m4 m5 m6 power key2 pscan asm mono pi nr metal ? key3 rds tp/sk me disp seekup seekdown ? (manu.up) (manu.down) key4 band auto att/loud select volup voldown ? remark the values in the parentheses are valid only when the mode is set to shift mode by the key. shift
14 m pd17012gf-055 2.4 description of key matrix 2.4.1 initialize diode matrix the initialize diode matrix contains the following 18 types (43 items). all these types are read only when the power is initially turned on (power-on reset) to the v dd pin on when the ce pin is changed from low level to high level. at other times, they are ignored. (1) switch for setting the method of detecting broadcasting stations in auto tuning. fm sd/if, am sd/if (2) switch for setting the intermediate frequency of the am band amif1, amif2 (3) switch for setting clock functions clk24, flash, noclk, clkdsp (4) switch for selecting between on/off of auto retune retune (5) switch for setting the key mesel (6) switch for selecting whether a priority display should be made pridisp (7) switch for selecting electronic volume source switching volfunc (8) switch for selecting the tuning mode primanu these switches are set on the matrix after short-circuiting it with diodes. functions of the initialize diode matrix are described on the following pages. for the diodes, 1 indicates short- circuited; and 0 indicates open. me
15 m pd17012gf-055 symbol description of functions fm sd/if this switch sets the method of detecting broadcasting stations during auto tuning of the fm band. it is set as follows: fm sd/if methods of detecting broadcasting stations 0 sd only used 1 sd and if counter (1: short-circuited with diode 0: open) am sd/if this switch sets the method of detecting broadcasting stations during auto tuning of the am band. it is set as follows: am sd/if methods of detecting broadcasting stations 0 sd only used 1 sd and if counter (1: short-circuited with diode 0: open) amif1 this switch sets the intermediate frequency of the am (mw, lw) band. amif2 it is set as follows: amif1 amif2 intermediate frequency 0 0 450 khz 0 1 459 khz 1 10.71 mhz (1: short-circuited with diode 0: open : don't care) clk24 this switch selects a 12-hour or 24-hour clock display. it is set as follows: clk24 clock display 0 12-hr display (with "am", "pm" display) 1 24-hr display (1: short-circuited with diode 0: open) flash this switch sets the colon lighting in the clock display. it is set as follows: flash colon (:) display 0 always on flash 1 frequency : 1 hz duty factor : 60 % (1: short-circuited with diode 0: open)
16 m pd17012gf-055 symbol description of functions noclk this switch sets the clock function. it is set as follows: noclk setting of clock functions 0 clock present 1 clock absent. in this case, the flash, clk24, and clkdsp switches are ignored. (1: short-circuited with diode 0: open) retune this switch selects on/off of the auto retune. it is set as follows: retune auto retune 0on 1 off (1: short-circuited with diode 0: open) mesel this switch sets whether the key is valid or not. it is set as follows: mesel key 0 invalid 1 valid (1: short-circuited with diode 0: open) pridisp this switch selects whether a priority display should be made or not. for details of the priority display, please refer to the description of the key. the pridisp switch is set as follows: pridisp priority display 0 absent 1 present (1: short-circuited with diode 0: open) volfunc this switch selects transmission of the sound source switching data to electronic volume. it is set as follows: volfunc transmission of the sound source switching data to electronic volume 0 not transmit 1 transmit (1: short-circuited with diode 0: open) me me disp
17 m pd17012gf-055 symbol description of functions primanu this switch sets auto/manual mode at the start. set as follows. primanu auto/manual mode 0 auto mode 1 manual mode (1: short-circuited with diode 0: open) clkdsp this key selects display/non-display of clock in the power-off state caused by the key set as follows. clkdsp display of clock in the power-off state 0 display 1 non-display (1: short-circuited with diode 0: open) when initial setting diode noclk = 1, although display of clock is selected, clock is not displayed. initial setting diode clkdsp is linked with the control of power supply (lcdpwr pin) to lcd controller/driver ( m pd16431a) in the power-off state. the states are shown below. clkdsp description 0 no power is supplied to lcd driver/controller ( m pd16431a) in the power-off state. (lcdpwr pin goes to low level) 1 power is supplied to lcd driver/controller ( m pd16431a) in the power-off state. (lcdpwr pin goes to high level) (1: short-circuited with diode 0: open) power
18 m pd17012gf-055 2.4.2 momentary key symbol description of functions performs reading or writing of the preset memory. the read/write procedure differs depending on the mesel switch of the initialize diode. if mesel = 0: if keys to are released within 2 seconds, it will result in a memory read operation. if they are kept pressed for 2 seconds or longer, it will result in memory write operation. if mesel = 1: if the key is pressed while the me segment of the lcd display is lit, it results in a memory write operation. if the key is pressed while the me segment of the lcd display is unlit, it results in a memory read operation. if the station to be received is an rds station, the pi code of the station is also memorized by the preset memory write operation. if the pi code is memorized in the preset memory, and the frequency cannot be received or the received pi code is different from that of the station, the pi search starts seeking the station that meets the stop condition, searching from the preset frequency upward. if it detects the station, it will receive from the station. if no station meets the stop condition, the pi search retains the initial frequency. when preset memory is called or written, band/preset is displayed for 5 seconds. this is the power key. by pressing this key, it switches power-on/off. m1 m2 m3 m4 m5 m6 power m1 m6
19 m pd17012gf-055 symbol description of functions pscan this is the preset memory scan operation key. by pressing this key, preset scan operation starts. if a preset memory is currently being received, reception is made from the next memory (for example, from m4 if m3 is being received). in other cases, each preset memory is received for five seconds sequentially starting from memory 1. it is valid only in radio mode. if the preset station is an rds broadcasting station, af operation is performed but not pi searching. during the 5-second reception period, no rds operations such as af judgment are performed. during preset scan operation, pscan display is lit on the lcd panel. the operation of each key during a scan operation is shown below. key description of operations pscan the preset scan operation is stopped and the frequency when the key was pressed is retained. m1 the preset scan operation is stopped, and preset memory of | the pressed key is called. m6 seekup the preset scan operation is stopped, and the operation of the seekdown pressed key is performed. band asm auto the preset scan operation is continued. select the operation of the pressed key is performed. volup voldown att/loud tp/sk upon reception of fm band rds the preset scan operation is continued. pi the operation of the pressed key is performed. mono upon reception of am band the preset scan operation is continued. the operation of the pressed key becomes invalid.
20 m pd17012gf-055 symbol description of functions asm this is the auto store memory operation key. it is valid only in radio mode. if it is pressed, a search is made from the lowest frequency to the highest frequency of the relevant band to write six stations into preset memory in ascending order of the frequency, starting from the station whose sd is strongest. if the searched station is an rds, pi code of the station is stored simultaneously. data on the detected broadcasting stations are written to one preset memory after another, starting from preset memory 1. if the maximum frequency is reached before the six stations are written, the previous frequencies stay in the remaining preset memories. if this key is pressed again during the auto store memory operation, the operation is suspended. however, the broadcasting stations which have already been detected are written in the preset memory. during auto store memory operation, the band received and asm are displayed. the operation of each key during an auto store memory operation is shown below. key description of operations asm the auto store memory operation is stopped, and if more than one station is found, m1 is received. if no station is found, the frequency at the beginning of the operation is received. select the auto store memory operation is continued. volup the operation of the pressed key is performed. voldown att/loud operating any momentary key other than above keys is invalid. mono this key sets forced monaural mode in radio mode. it is valid only when the fm band is selected in radio mode. if this key is pressed, the mono display on the lcd panel is lit thus placing the device in forced monaural mode. during forced monaural mode, high level is output from the mono pin. if this key is pressed again during forced monaural mode, the mono display is extinguished and the mode is canceled. in the forced monaural mode, the stereo display is unlit even when a stereo signal is input. pi this is a key that sets permission for pi seek operation. when this key is pressed, the pi display lights on the lcd panel, and the pi seek permission status is entered. in the pi seek permission status, if a preset is called up, and the received pi code differs from the pi code stored in preset memory, pi seek is performed. when the key is pressed again while in pi seek permission status, the pi display is extinguished, and then even if the pi code stored in preset memory differs from the called out broadcast station pi code, no pi seek is performed. nr this is the on/off key for tape noise reduction. it is invalid in other than tape mode. if this key is pressed, the nr display on the lcd panel is lit, turning on nr. while the nr display is lit, high level is output from the nr pin. if this key is pressed again while the nr display is lit, the nr display is extinguished, thus turning off nr. metal this is the normal/metal tape switchover key. it is invalid in other than tape mode. if this key is pressed, the metal display on the lcd panel is lit. while the metal display is lit, high level is output from the metal pin. if this key is pressed again while the metal display is lit, the metal display is extinguished.
21 m pd17012gf-055 symbol description of functions rds this key selects af operation mode. it is valid only when the fm band is been received. if this key is pressed, the rds display on the lcd panel lights thus placing the device in af operation enable mode. while the rds display is on, when the af operation start condition is met, af operations performed. if auto seek is performed by the seekup / seekdown key in this mode, it results in operation of rds broadcasting station detection. if the key is pressed again while the rds display is lit, the rds display is extinguished, thus placing the device in the af operation disable mode. if an rds broadcasting station is being received, incorporation of rds data is performed regardless of the on/off state of the rds display. tp/sk this key selects traffic information interrupt operation mode. when this key is pressed, the tp/sk display on the lcd panel is lit placing the device in traffic information stand-by status. if both rds tp and ta bits become 1 at this time, the device is placed in the traffic information interrupt status, thus displaying on the 14 segments of the lcd panel and switching the sound to radio mode. if the tp/ta bit becomes other than 1 during the traffic information interrupt, the traffic informa- tion stand-by mode is restored and the sound before the traffic information interrupt is returned. if the key is pressed again while the tp/sk display is lit, the tp/sk display is extinguished and the traffic information stand-by status is canceled. if the device is in the midst of a traffic information interrupt at this time, the traffic infor- mation interrupt is canceled and the sound before the traffic information interrupt is returned. while tp/sk remains unlit, no traffic information interrupt is accepted. the seek operation while the tp/sk display is lit is for searching traffic information stations only.
22 m pd17012gf-055 symbol description of functions me this key sets to make preset memory writable. when initial setting diode mesel = 1, the key is used to write into preset memory. while frequency, ps or band/preset is being displayed, if the key is pressed, the me display lights on the lcd panel and the memory becomes writable for 5 seconds. during this time, if a preset memory key to is pressed, the frequency currently being received is written into the preset memory. if the key is being pressed and held during this time, the frequency cannot be written. when an rds station is being received in the fm band, both the frequency and the pi code of the station are written. if the key is again pressed while the me display is lighted, then the memory becomes writable for another 5 seconds from the release of the key. if tuning is in progress, the procedure has no effect. operation of each key in the me state is as follows. key description of operations m1 cancel preset memory writable state. | when the key is pressed, the frequency being received is written m6 in the corresponding preset memory. me make preset memory writable for another 5 seconds after releasing the key. seekup cancel preset memory writable state. seekdown do the function of the key pressed after the last channel. pscan band asm auto select volup voldown att/loud disp tp/sk upon reception of fm band rds the preset memory writable state is canceled and the operation pi of the pressed key is performed. upon reception of am band the operation of the pressed key becomes invalid. momentary keys other than those given above have no effect. m1 m6 me me
23 m pd17012gf-055 symbol description of functions disp this key switches the display and adjusts the clock in conjunction with / (1) display switchover function pressing the key switches the display. <1> operation in radio mode while ps is in operation, pressing the key changes the screen to frequency display. while frequency is being displayed, if the initial setting diode noclk = 0, pressing the key changes the screen to clock display; if noclk = 1 and ps code is loaded on the fm band, pressing the key changes the screen to ps display; otherwise, the key has no effect. while clock, band/preset, or electronic volume is being displayed, if ps code is loaded on the fm band, pressing the key changes the screen to ps display; otherwise, pressing the key changes the screen to frequency display. even if pridisp = 0, when ps code is loaded, the frequency display changes to ps display in 5 seconds. <2> operation in tape/cd mode if or is being displayed, and initialize diode noclk = 0, pressing the key changes the screen to clock display; noclk = 1, the key has no effect. while the clock or electronic volume is being displayed, pressing the key changes the screen to or . " " or " " display invalid if the screen shows the clock display or electronic volume display clock display seekup seekdown (ps) about 5 seconds if the screen shows the clock display, electronic volume display or band/preset display frequency (clock) invalid
24 m pd17012gf-055 symbol description of functions disp <3> operation in alarm/traffic information interrupt mode while is displayed, the key has no effect. while is displayed, if ps code is loaded, pressing the key changes the screen to the ps display; otherwise, pressing the key changes the screen to frequency display. while ps is displayed, pressing the key changes the screen to the frequency display. while the frequency is displayed, if the initialize diode noclk = 0, pressing the key changes the screen to the clock display; noclk = 1, pressing the key changes the screen to the display. while the clock or electronic volume is displayed (volume, bass, treble, balance, fader), pressing the key changes the screen to . even if the initialize diode pridisp = 0, the screen changes from frequency to in 5 seconds. if initialize diode pridisp = 1, the screen changes to the current highest priority screen in about 5 seconds. if initialize diode noclk = 1 and ps code is loaded in fm band, pressing the key changes the screen to the ps display. if initialize diode noclk = 0, pressing the key changes the screen to the clock display. while tuning is in progress, the key has no effect. (2) clock adjustment function the key is used in conjunction with the / keys to adjust the clock. for details, refer to description of the / keys. seekup seekup seekdown seekdown " " display in about 5 seconds if clock or electronic volume is being displayed (ps) frequency (clock)
25 m pd17012gf-055 symbol description of functions seekup while the frequency is being displayed, the key operates as the auto seek/manual seek operation (manu.up) function key for the receiving frequency. while the clock is being displayed, the key operates as the clock adjustment key in conjunction with the key. seekdown (manu.down) (1) auto seek operation while the auto display is lit, auto seek is in operation. auto seek operation is divided into three modes by the setting the current rds and traffic information stand-by. <1> normal seek mode pressing the key starts auto seek from the current frequency upwards ( key) or downwards ( key) in single steps (100 khz per step in the fm band) and lights the auto display. the presence/absence of a broadcasting station is detected at each frequency. if a station is detected, the frequency is retained. for a seek operation on lw, even if a broadcasting station is detected, if the frequency is not multiple of 9, the seek operation continues. <2> rds seek mode while the rds display is lit in the fm band, pressing the key changes the mode to rds seek mode. rds seek mode operation is the same as normal seek mode operation until a broadcasting station is detected. however, when a station is found, rds seek mode operation begins rds signal synchronous detection, checks the synchronous status after 200 ms, and if an rds station is detected (synchronous rds signal is detected), the frequency is retained. if an rds station is not detected, the seek operation continues. <3> tp/sk seek mode while the tp/sk display is lit, pressing the key in the fm band changes the mode to tp/sk mode. tp/sk seek mode operation is the same as rds seek mode operation until an rds broadcasting station is detected. however, when a station is found, tp/sk seek mode begins tp/sk signal synchronous detection, checks the rds data tp bit after 300 ms, and if tp is detected, the frequency is retained. if tp is not detected, the seek operation continues. if an rds station is not detected, the sk pin is checked after 300 ms, and if an sk signal is detected, the frequency is retained. if sk is not detected, the seek operation continues. key operation during auto seek operation is as follows. key description of operations m1 the seek operation is stopped. | call up the content of the preset memory for the pressed key. m6 writing is inhibited. disp seekup seekdown
26 m pd17012gf-055 symbol description of functions seekup (manu.up) key description of operations seekdown seekup while seek up is in prgress, pressing the key, and (manu.down) seekdown while seek down is in progress, pressing the key stops the seek operation and retains the frequency at that time. while seek up is in prgress, pressing the key, and while seek down is in progress, pressing the key changes the operation. (e.g. press the key changes to seek up.) pscan the seek operation is stopped. band the operation of the pressed key is performed. asm auto select the seek operation is continued. volup the operation of the pressed key is performed. voldown att/loud tp/sk upon reception of fm band rds the seek operation is continued. the operation of the pressed key is started. upon reception of am band it becomes invalid. the seek operation is continued. momentary keys other than the above have no effect. (2) manual seek operation pressing the key updates the frequency from the frequency when the key was pressed in the upward direction ( key) or downward direction ( key) by 1 step. pressing and holding the key for more than 500 ms updates the frequency every 40 ms until the key is released. while receiving an rds station, pressing the key clears pi code settings. while a manual seek operation is in progress, pressing and holding the key renders all other keys ineffective. (3) clock adjustment operation while the clock is being displayed, pressing the key and the key together adjusts the hour ( key) and minute ( key). <1> adjusting the hour pressing the key once adds an hour; holding the key down for more than 0.5 seconds adds an hour every 200 ms. the hour adjustment operation affects neither the minute digit nor count value. seekup seekup seekup seekdown seekdown seekup seekdown disp seekup seekdown seekdown
27 m pd17012gf-055 symbol description of functions seekup <2> adjusting the minute (manu.up) pressing the key once adds a minute; holding the key down for more than 0.5 seconds adds a minute every 100 ms. the minute adjustment operation does not affect the seekdown hour. (manu.down) whenever the minute is adjusted, the value of the second counter is reset. band this key switches the radio band. while the sound is set to radio mode, pressing the key switches the band as follows. every time the band is switched, band/preset displays for 5 seconds. auto this key switches auto seek/manual seek. while the auto display on the lcd panel is not lighted, pressing the key lights the auto display. subsequently pressing the / key operates auto seek up/ down. while the auto display on the lcd panel is lighted, pressing the key turns off the display. subsequently pressing the / key operates manual seek up/down. if the mode is other than radio mode, the key has no effect. att/loud this key sets attenuator/loudness operation. pressing the key and releasing it within 2 seconds turns on the attenuator and lights the att display on lcd panel. while att is displayed, pressing the key again for less than about 2 seconds switches off the att display and turn off attenuator. pressing the key for more than 2 seconds turns on loudness and switches on the loud display on the lcd panel. while loud is displayed, pressing the key again for more than about 2 seconds switches off the loud display and turns off loudness. select the key selects the electronic volume adjustment function. pressing the key switchs the display on the lcd panel to the electronic volume display. pressing it again switches the adjustment function as follows. while the electronic volume is displayed, you press the , keys for each adjustment function. regarding the electronic volume displays, even if the initial setting diode pridisp = 1, releasing any electronic volume adjustment key ( , , ) changes the screen to the highest priority display in about 5 seconds. volup this key adjusts any electronic volume function. voldown when the display on the lcd panel is other than electronic volume, pressing the key displays electronic volume and pressing or increases or decreases the sound volume. while the electronic volume is displayed on the lcd panel, pressing the key adjusts the function currently selected (bass, treble, balance, fader, or volume). seekup fm1 ? fm2 ? am volup voldown volup voldown volup voldown select bass ? treble ? balance ? fader ? volume seekup seekdown seekup seekdown
28 m pd17012gf-055 3. mode transitions : actural mode (mode pin output, mute, etc.) changes. ---------- : actual mode does not change. : this mode cannot be changed. 1 : tape pin = low level ; and cd mode is off. 2 : tape pin = high level ; or cd mode is on. 3 : ta or dk on 4 : ta or dk off 5 : tp/sk mode off 6 : tp/sk mode on tuner mode tape/cd mode 1 2 5 5 traffic information mode (selector: tuner) tuner mode traffic information stand-by tape/cd mode traffic information stand-by 2 1 4 4 3 3 5 6 5 6
29 m pd17012gf-055 4. data output to lcd controller/driver ( m pd16431a) the m pd17012gf-055 uses the m pd16431a for lcd display and key sensing. the m pd17012gf-055 transfers initialization data to the m pd16431a about 480 to 500 ms after the lcdpwr pin (pin 48) changes from low level to high level. the pin configurations of the m pd17012gf-055 and the m pd16431a are shown below. figure 4-1. m pd16431a pin configuration pd17012gf-055 9 10 11 43 48 scl so si lcdstb lcdpwr pd16431a 7 8 9 11 sck data stb oe clock data data strobe lcd power 14 kreq 6 keyreq key request
30 m pd17012gf-055 4.1 data input/output timing (1) initialization data output the initialization data output to the m pd16431a is shown in figure 4-2. figure 4-2. initialization data output command: 00000000 (initialization command) 1/4 duties, (f osc /128) n, internal driving voltage, master, and normal operation are initialized. command so lcdstb scl
31 m pd17012gf-055 (2) display data output the display data output to the m pd16431a is shown in figure 4-3. figure 4-3. display data output command : 10000100 (status command (in com0 output)) : 10001100 (status command (in com1 output)) : 10010100 (status command (in com2 output)) : 10011100 (status command (in com3 output)) d 0 -d 6 : 00000000 (display data) ? 11111111 the display output above is repeated four times by approx. 10 ms and the display data is transmitted. at this time, the status commands com0 to com3 are transmitted. command so lcdstb scl d 0 d 1 d 6
32 m pd17012gf-055 (3) key data input/output the key data input/output to m pd16431a are shown in figure 4-4. figure 4-4. key data input/output command : 10000101 (status command (key data read)) d 0 -d 4 : 00000000 (key data) ? 11111111 command so lcdstb scl d 0 d 1 d 4 keyreq
33 m pd17012gf-055 5. rds (radio data system) function 5.1 rds data incorporation m pd17012gf-055 internally decodes rdsdata and rdsclk from the rds-compound ic. synchronization detection is limited to block synchronization, and error correction is not performed. block synchronization is detected for the following four types of block patterns. 1 : aebeced 2 : aebec'ed 3 : aebeeee 4 : aebefef the method of detecting synchronization is as follows: the synchronous status is checked per block from the current point to 5 previous blocks before; if synchronization of three or more blocks out of 5 blocks is detected, it is judged that block synchronization exists. if block synchronization is not obtained for 1.5 seconds or more, the status of each of tp, ta, and pty is cleared. if an error is detected from the incorporated blocks and if block synchronization has taken place, synchronization detection is performed every 26 bits until the block synchronization is removed. figure 5-1. block synchronization detection * : the synchronization status for the preceding 5 blocks is checked. in this case, if at least 3 blocks are not synchronized out of 5 blocks, the blocks are judged to be asynchronous. a to d : indicates offset check words. ok a - * ok b - * ng c - * ok d - * ng a - * ng b - * ok c - * ok d - * ok a - * ok b - * - * blocks are judged to be synchronized. blocks are judged not to be synchronized. blocks are judged to be synchronized. (ng0 time) (ng1 time) (ng1 time) (ng2 times)(ng3 times)(ng2 times) (ng2 times)(ng2 times) (ng1 time) block synchronization status block asynchronization status
34 m pd17012gf-055 5.2 rds data processing the m pd17012gf-055 contains an rds data decoder part. the m pd17012gf-055 uses the following six types of data: (1) pi (program identification) (2) ps (program service name) (3) pty (program type) (4) af (alternative frequency) (5) tp (traffic program identification) (6) ta (traffic announcement identification) 5.2.1 pi (program identification) this data is used for program identification. after a tuning operation is completed, receipt of the same pi code two or more times causes the rds data that has that pi code to be decoded. the pi counter can be incremented up to four counts. when rds data of a different pi code is received, the pi counter is decremented. rds data other than tp and ta at this time are not decoded. if the pi counter is decremented to zero, the different pi code is judged to be a new correct pi code, thus incrementing the pi counter; when the maximum count of the pi counter is reached two or more times, the rds data is decoded. figure 5-2. pi counter operation 1 : tuning operation end 2 : the pi code is entered in the pi code area for comparison. counter + 1 3 : the pi code is compared with the pi code. counter + 1 when the two codes are the same. 4 : the pi code is compared with the pi code. counter + 1 when the two codes are the same. rds data is decoded. 5 : the pi code is compared with the pi code. counter e 1 when the two codes are different. 0 4 (max) 1 - 2 - 3 - 4 - 4 - 5 - 4 - 5 - 4 - 4 - 5 - 5 - 5 - 2 - pi counter
35 m pd17012gf-055 5.2.2 ps (program service name) this data is used for the ps display. the ps display is made once when the same ps data is input two or more times. the ps display appears about 5 seconds after the tuning operation is completed. if the ps data cannot be received during about 5 seconds, the ps display appears when the ps data is eventually received. once ps data has been received, if the display is changed by the disp key or the tp/sk mode on/ off change is performed even if no ps data can be received thereafter, the last ps data is stored, and 3 seconds after displaying frequency, the stored ps data is displayed. 5.2.3 pty (program type) used for alarm identification. when the alarm is received, the device is switched over to radio mode if in tape/ cd mode. at this time, the lcd panel displays . 5.2.4 af (alternative frequency) used as a switchover frequency list. (1) af list input the af function can be used for both method a and method b. up to 25 lists can be input. if afs header block is received, the af pointer is reset to the front and the lists are stored in the order of their transmission. if more than 25 af lists are sent, data is overwritten starting from the top of the lists. if, in method b, blocks for the same frequency arrive one after another, they are linked together to form a single af list. even when lists are sent in pairs of a descending sequence, all the af lists are input. the method of input for af lists is shown in figure 5-3 flow of af list input.
36 m pd17012gf-055 figure 5-3. flow of af list input (1/3) af decode group type 0a? n y pi code defined? n y mw or lw? y n does the block contain the count of stations? y n is p input? n y does p exist in one side of the list? y n method = b? n y method counter decrement method counter = 0? n y method ? a exit 1st byte frequency? n y the 1st byte is added to the af list. 2nd byte frequency? n y the 2nd byte is added to the af list. a b c
37 m pd17012gf-055 figure 5-3. flow of af list input (2/3) method ? b p = f? n b y has p been entered in the list? y n add p to the top of the af lists. ascending order? n y local area? y n add to the af list. method counter = fh? y n method counter increment c list-linking flag cleared.
38 m pd17012gf-055 figure 5-3. flow of af list input (3/3) p : frequency entered in blocks containing the station count f : tuning frequency p input station count = 1? y a n method = b? n af lists from current location onwards cleared. p = f? y y lists-linking flag inverted. list-linking flag = 1? y n af lists from current location onwards cleared. c add p to the top of af lists. n af lists from the 2nd station onwards cleared.
39 m pd17012gf-055 (2) af check data of the af operation memory is used for af checking. one station is checked at a time. 1 af check start condition: the electric field strength of the broadcast being received is divided into the following three stages (the numeric values are those when the read a/d values are 0-3fh) by the voltage which is input from sd pin. l < 0ch < m 20h h sd level description of operations h af check not started. m af check started on a station every 5 seconds. l all the afs at the time checked at once. 2 af check stop condition: af checking is stopped when the sd level of the af-checked broadcast is higher than that of the broadcast originally being listened to, and the pi of the broadcast at the check destination has satisfied the stop condition. conditions for broadcast (pi) capable of af switchover are as follows: broadcast whose 16 bits are completely identical, including the pi code and the area cover code of the broadcast being currently received. broadcast whose area cover code is ?4? to ?f? when the pi code and the area cover code of the broadcast being currently received is ?1? to ?3?, and whose remaining 12 bits are identical. broadcast whose area cover code is ?1? to ?3? when the pi code and the area cover code of the broadcast being currently received is ?4? to ?f?, and whose remaining 12 bits are identical. 3 af check for calling when ce low level has been switched over to high level or when the last station is an fm rds station: af checking is performed for calling when the ce low level has been switched over to low level or when the last station is an fm rds station. at this time, the af data of the last channel memory is moved to the af operation memory, and immediately all the afs are checked. the broadcasting station whose pi stored in the preset memory has satisfied the stop condition and whose sd level is the highest is selected for reception. this af checking is performed during mute output. if no station satisfies the stop condition as a result of checking the broadcast stations of the preset frequency and all their af, the seek operation is performed upwards from the preset frequency to detect the broadcasting station which satisfies the stop condition. if a broadcasting station which satisfies the stop condition appears, the seek operation is halted to receive the relevant broadcasting station (pi search). even if the seek operation is carried out across the entire width of reception band, if a broadcasting station which satisfies the stop condition cannot be found, the seek operation is halted to receive the originally set frequency.
40 m pd17012gf-055 5.2.5 tp (traffic program identification), ta (traffic announcement identification) these are used for traffic information station identification and traffic information announcement identification. depending on the tp and ta statuses of the current receiving station, the methods of identifying a traffic information station are as follows: if tp = 1, recognized as the traffic information station. tp and ta are decoded by inputting the same data at least twice after the tuning operation is ended. if 1 is input as the tp or ta data, the tp or ta counter is incremented up to 4 counts. if 0 is input, the counter is decremented; and when the counter becomes 0, it is determined that there is no tp or ta. the method of identifying the traffic information announcement is as follows. if it results that ta=1 when tp=1, the traffic information is recognized as being broadcast. the methods of switching over to the traffic information are as follows: if ta = 1, if the device is in tape/cd mode, it is switched over to radio mode. if ta = 0, returns to the original mode.
41 m pd17012gf-055 6. mute timing 6.1 tuner operation the operation of the tuner function and the output of the mute pin are explained in the following order. (1) preset memory reading (refer to 6.1.1 preset memory reading ) (2) preset scan (refer to 6.1.2 preset scan ) (3) preset memory writing (refer to 6.1.3 preset memory writing ) (4) seek up/down (refer to 6.1.4 seek up/down ) (5) manual up/down (refer to 6.1.5 manual up/down ) (6) auto store memory (refer to 6.1.6 auto store memory ) (7) af switchover (refer to 6.1.7 af switchover ) 6.1.1 preset memory reading reading in the preset memory is performed by pressing key to for less than 2 seconds when initialize diode mesel = 0 in tuner mode, or by pressing these keys in modes other than preset memory write enable mode when mesel = 1. the timing chart showing the preset memory reading operation is shown below. pi seek is performed if the broadcasting station being read is an fm rds station. figure 6-1. timing chart in preset memory read (1/3) (when the broadcasting station being read is not rds station) m1 m6 1 mute first-out and beep output 2 frequency division ratio setting 3 pll lock wait 4 mute last-out output 1 40 ms 23 4 290-300 ms preset memor y read determined mute
42 m pd17012gf-055 figure 6-1. timing chart in preset memory read (2/3) (when the broadcasting station being read is rds station <1> ) 1 40 ms 23 4 10 ms preset memory read determined mute 5 10 ms 6 200 ms 7 290-300 ms with station with station judged as rds station, and the pi code is same 1 mute first-out and beep output 2 frequency division ratio setting 3 pll lock wait 4 sd stability wait (1) 5 sd stability wait (2) 6 rds station judgment wait 7 mute last-out output
43 m pd17012gf-055 figure 6-1. timing chart in preset memory read (3/3) (when the broadcasting station being read is rds station <2> ) 1 mute first-out and beep output 2 frequency division ratio setting 3 pll lock wait 4 sd stability wait (1) 5 sd stability wait (2) 6 rds station judgment wait 7 mute last-out output 1 40 ms 23 4 10 ms mute 5 10 ms 6 200 ms 2 10 ms 2 10 ms 35 10 ms 6 200 ms band edge detected pi seek pi seek 2 10 ms 5 10 ms 6 200 ms 7 290-300 ms judged as rds station, and the pi code is same preset memory read determined with station with station not judged as rds station, or the pi code differs without station with station with station not judged as rds station, or the pi code differs with station with station
44 m pd17012gf-055 6.1.2 preset scan the preset scan operation is started by pressing the key in tuner mode. the timing chart showing the preset scan operation is shown below. figure 6-2. timing chart in preset scanning 1 mute first-out and beep output 2 frequency division ratio setting 3 mute last-out output 6.1.3 preset memory writing writing in the preset memory is performed by pressing key to for 2 seconds or longer when initialize diode mesel = 0 in tuner mode, or by pressing these keys in the preset memory write enable mode when mesel = 1. the timing chart showing the preset memory writing operation is shown below. if the station being received is an fm rds station, pi code of the station is written simultaneously. figure 6-3. timing chart in preset memory write (1/2) (at mesel = 0) 1 preset memory read/write judgment wait 2 preset memory write 3 pi code write (upon reception of the fm rds station) pscan m1 m6 1 40 ms key on mute 5 sec. 23 490-500 ms 1 40 ms 23 490-500 ms beep 40 ms 1 approx. 2 sec. 23 key on
45 m pd17012gf-055 figure 6-3. timing chart in preset memory write (2/2) (at mesel = 1) 1 preset memory write 2 pi code write (upon reception of the fm rds station) beep 40 ms 12 key on
46 m pd17012gf-055 6.1.4 seek up/down the operation is started by pressing / when the device is in tuner mode but other than in shift mode. the broadcasting station detection operation judges the if count if the sd level and initialize diodes (am sd/if, fm sd/if) are on and terminates the seek operation if the condition for with broadcasting station is satisfied twice at the interval of 10 ms. in rds mode and tp/sk mode, after the condition above has been satisfied, the operations of detecting the rds broadcasting station and the traffic information station are performed according to the timing chart below. figure 6-4. timing chart in seek up/down (1/3) (normal mode) seekdown seekup 1 mute first-out and beep output 2 frequency division ratio setting 3 pll lock wait 4 sd stability wait (1) 5 sd stability wait (2) 6 mute last-out output (490-500 ms in band edge detection) 1 40 ms 23 4 10 ms mute without station with station 23 4 10 ms 5 10 ms without station 5 10 ms 23 4 10 ms 6 290-300 ms key on with station with station
47 m pd17012gf-055 figure 6-4. timing chart in seek up/down (2/3) (rds mode) 1 mute first-out and beep output 2 frequency division ratio setting 3 pll lock wait 4 sd stability wait (1) 5 sd stability wait (2) 6 rds station detection wait 7 mute last-out output (490-500 ms in band edge detection) 1 40 ms 23 4 10 ms mute 23 4 10 ms 5 10 ms 5 10 ms 23 4 10 ms 6 200 ms max. 7 290-300 ms with station without station key on without station with station with station with rds station
48 m pd17012gf-055 figure 6-4. timing chart in seek up/down (3/3) (tp/sk mode) 1 mute first-out and beep output 2 frequency division ratio setting 3 pll lock wait 4 sd stability wait (1) 5 sd stability wait (2) 6 rds station detection wait 7 traffic information station identification (tp/sk) wait 8 mute last-out output (490-500 ms in band edge detection) 1 40 ms 23 4 10 ms mute 23 4 10 ms 5 10 ms 5 10 ms 23 4 20 ms 7 300 ms max. 8 290-300 ms 6 200 ms max. with station without station key on with station with station with tp/sk without station
49 m pd17012gf-055 6.1.5 manual up/down the operation is started by pressing / when the device is in tuner mode and in shift mode. the timing chart below shows the manual operation. figure 6-5. timing chart in manual operation (1/2) (with key released within 0.5 second) seekdown seekup figure 6-5. timing chart in manual operation (2/2) (with key kept pressed for 0.5 second or longer) 1 mute first-out and beep output 2 frequency division ratio setting 3 key repeat time (500 ms for both am and fm when the band edge has been detected.) 4 mute last-out output (490-500 ms in band edge detection) 1 40 ms mute 24 290-300 ms 490-500 ms key on key off 1 40 ms mute 24 290-300 ms 490-500 ms 2 3 40 ms 23 40 ms key on key off determined
50 m pd17012gf-055 6.1.6 auto store memory the operation is started by pressing the key when the device is in tuner mode. the timing chart below shows the auto store memory operation. figure 6-6. timing chart in auto store memory asm 1 mute first-out and beep output 2 frequency division ratio setting 3 pll lock wait 4 sd stability wait (1) 5 sd stability wait (2) 6 mute last-out output 7 asm end. sorted in the ascending order of the frequency to call preset memory m1. if no station is detected, the frequency before pressing the key is retained. if the relevant station is detected after writing the preset memories up to m6, it is compared with the sd levels of the written preset memories and stored whose sd levels is high. 1 40 ms 23 4 10 ms mute 23 4 10 ms 5 10 ms 23 6 290-300 ms 23 2 key on lowest frequency set without station with station (preset memory 1 write) with station (band edge) 7
51 m pd17012gf-055 6.1.7 af switchover there are two types of af switchover operations. (1) af switchover of all stations at once (refer to figure 6-7 ) (2) af switchover of a station at a time (interval 5 seconds (refer to figure 6-8 )) the timing charts of the respective operations are shown below and on the following page. for conditions for occurrence of the af operations, please refer to 5.2.4 af (alternative frequency) . (1) all-station af switchover at once figure 6-7. timing chart for all-station af switchover 1 occurrence of af switchover condition 2 mute first-out wait 3 sd sort (stations with sd are determined beforehand on the af list and sorted in the order of the frequency.) 4 frequency division ratio setting 5 pll lock wait 6 sd judgment wait 7 sd level comparison 8 pi code input, judgment wait 2 2 ms 34 1 mute 5 76 4 ms 45 8 200 ms 7 6 4 ms 54 n value set for the strongest sd station pi code coincidence
52 m pd17012gf-055 (2) one-station af switchover at a time figure 6-8. timing chart for one-station af switchover (1/2) 1 occurrence of af switchover condition 2 mute first-out wait 3 frequency division ratio setting 4 pll lock wait 5 sd stability/if count wait 6 rds station detection/pi code input wait 7 mute last-out output mute 5 4 ms 7 2 ms 6 approx. 200 ms 2 2 ms 4 32 2 ms 4 3 7 2 ms af switchover operation af return operation 5 sec. 5 4 ms 7 2 ms 2 2 ms 4 3 af switchover operation 4 3 5 sec. af return operation 1 with station without rds signal or the pi code differs without station 1
53 m pd17012gf-055 figure 6-8. timing chart for one-station af switchover (2/2) 1 occurrence of af switchover condition 2 mute first-out wait 3 frequency division ratio setting 4 pll lock wait 5 sd stability/if count wait 6 rds station detection/pi code input wait 7 mute last-out output 5 4 ms 2 2 ms 4 3 af switchover operation mute 7 2 ms 6 200 ms 1 with station with rds signal, pi code is same
54 m pd17012gf-055 6.2 mode switchover the mode pin switchover and the mute output timing chart are shown below. 6.2.1 radio mode ? tape/cd mode cd pin or tape pin mute pin mode pin approx. 40 ms 290 - 300 ms approx. 40 ms 290 - 300 ms radio mode modes tape/cd mode radio mode
55 m pd17012gf-055 6.2.2 traffic information broadcasting/pty alarm ? tape/cd mode (tp/sk mode) 6.3 ce pin the mute output timing charts in level change of the ce pin are shown below. 6.3.1 low level ? high level 6.3.2 high level ? low level cd pin or tape pin mute pin mode pin approx. 40 ms 290 - 300 ms approx. 40 ms 290 - 300 ms tape/cd mode modes traffic information interrupt mode tape/cd mode "h" initialize time 400 - 500 ms mute pin - ce = low level fi high level mute pin approx. 10 ms - ce = high level ? low level
56 m pd17012gf-055 6.4 detecting the detachable panel timing chart for eliminating chattering if high level on the pnl pin is detected 10 times in succession, the panel is regarded as being dismounted ( 1 ) and the power is unconditionally turned off. detection of the mounted state proceeds according to the same timing. if the panel is regarded as being mounted, the power state is checked when the panel is dismounted. if the panel was dismounted in the power-on state, power-on is set. (for details about power transitions, refer to 6.5.2. timing of power on ? power off transitions by detachable panel ) 1 about 10 ms dismounted mounted l h pnl pin internal panel state : timing to sense pnl input pin
57 m pd17012gf-055 6.5 power control 6.5.1 timing of power on ? off transitions by key power 1 the power-off port state is set, the tuner is turned off, and serial communication is broken. but if the initialize diode clkdsp = 1 (short-circuited with diode), the operations of breaking serial communication and turning off the lcd power output are not implemented. 2 if initialize diode clkdsp = 0 (open), the lcd power output is turned on with the same timing. 3 tuner is turned on, sound source mode is started, serial communication is started and call back for the last preset memory is started (if the sound source is the tuner, mute on remains.) 4 call for last preset memory is completed. note timing for detecting key and panel changes (time to eliminate chattering is not included). on off h l on off h l note note power key or pwrin mute output internal power state power mode state output 490-500 ms 1234
58 m pd17012gf-055 6.5.2 timing of power on ? power off transitions by detachable panel 1 the power-off port state is set, the tuner is turned off, and serial communication is broken. but if the initial setting diode clkdsp = 1 (shorted with diode), the operations of breaking serial communication and turning off the lcd power output are not implemented. 2 the lcd power pin is also turned on by this timing. 3 tuner is turned on, sound source mode is started, serial communication is started and call back for the last preset memory is started (if the sound source is the tuner, mute on remains.) 4 call for last preset memory is completed. note timing for detecting key and panel changes (time to eliminate chattering is not included). mounted dismounted h l on off h l panel 490-500 ms note note mute output internal power state power mode state output 1234
59 m pd17012gf-055 7. lcd panel 7.1 lcd panel configuration an example of the lcd panel configuration is shown below. for inquiries on the lcd panel, please contact the following address or phone. address : 1-4-33 kitakyuhoji, yao-shi, osaka 581 administration section of displayer product division, hoshiden, ltd. tel : 0729-93-1010 (key number) 7.2 lcd pin assignment the lcd pin assignment table of m pd16431a is shown in table 7-1. to ? indicate the column locations of the 14 segments. a to n show the following 14 segments respectively. n n a fb gh i jk ec m l d mono stereo fm1 fm2 am 1 auto 2 rds pscan 3 tp/sk me 4 tp 5 ta/dk standby 6 loud pi 7 att 8 nr metal
60 m pd17012gf-055 table 7-1. lcd pin assignment table of m pd16431a (1/2) common com 1 (21) com 2 (22) com 3 (23) com 4 (24) segment seg 1 (25) 8 n 8 b 8 c ? seg 2 (26) 8 i 8 k 8 m ? seg 3 (27) 8 a 8 h 8 d ? seg 4 (28) 8 g 8 j 8 l ? seg 5 (29) pi 8 f 8 e att seg 6 (30) ? ? ? ? seg 7 (31) 7 n 7 b 7 c loud seg 8 (32) 7 i 7 k 7 m ? seg 9 (33) 7 a 7 h 7 d ? seg 10 (34) 7 g 7 j 7 l ? seg 11 (35) standby 7 f 7 e seg 12 (36) ? ? ? ? seg 13 (37) 6 n 6 b 6 c ta/dk seg 14 (38) 6 i 6 k 6 m ? seg 15 (39) 6 a 6 h 6 d ? seg 16 (40) 6 g 6 j 6 l ? seg 17 (41) me 6 f 6 e seg 18 (42) ? ? ? ? seg 19 (43) 5 n 5 b 5 c tp seg 20 (44) 5 i 5 k 5 m ? seg 21 (45) 5 a 5 h 5 d ? seg 22 (46) 5 g 5 j 5 l ? seg 23 (47) ? 5 f 5 e tp/sk seg 24 (48) ? ? ? ? seg 25 (49) 4 n 4 b 4 c ? seg 26 (50) 4 i 4 k 4 m ? seg 27 (51) 4 a 4 h 4 d ? seg 28 (52) 4 g 4 j 4 l ? seg 29 (53) pscan 4 f 4 e : seg 30 (54) ? nr metal ? seg 31 (55) 3 n 3 b 3 c . seg 32 (56) 3 i 3 k 3 m ? seg 33 (57) 3 a 3 h 3 d ? seg 34 (58) 3 g 3 j 3 l ? seg 35 (59) auto 3 f 3 e rds seg 36 (60) ? ? ? ? ? : unused remark the value in parenthesese indicates the pin number of m pd16431a. s s
61 m pd17012gf-055 table 7-1. lcd pin assignment table of m pd16431a (2/2) common com 1 (21) com 2 (22) com 3 (23) com 4 (24) segment seg 37 (61) 2 n 2 b 2 c seg 38 (62) 2 i 2 k 2 m ? seg 39 (63) 2 a 2 h 2 d ? seg 40 (64) 2 g 2 j 2 l ? seg 41 (65) stereo 2 f 2 e mono seg 42 (66) ? ? ? ? seg 43 (67) 1 n 1 b 1 c ? seg 44 (68) 1 i 1 k 1 m ? seg 45 (69) 1 a 1 h 1 d ? seg 46 (70) 1 g 1 j 1 l ? seg 47 (71) fm2 1 f 1 e fm1 seg 48 (72) am ? ? ? ? : unused remark the value in parentheses indicates the pin number of m pd16431a.
62 m pd17012gf-055 7.3 description of lcd panel display display description mono indicates that the device is in forced monaural voice output mode. inverted by pressing the key while receiving the fm band in radio mode. indicates that the broadcasting station being currently received is an rds station. lit when an rds station is received on the fm band. rds indicates that the device is in rds mode. inverted by pressing the key upon reception of fm band during radio mode. tp/sk indicates that the device is in tp/sk mode. inverted by pressing the key upon reception of fm band during radio mode. tp indicates that the broadcasting station currently being received is broadcasting the traffic information. lit when the tp signal of an rds broadcasting station or the sk signal of a vf broadcasting station is detected. ta/dk indicates that the broadcasting station currently being received is broadcasting the traffic information. lit when the ta signal of an rds broadcasting station or the dk signal of a vf broadcast- ing station is detected. loud indicates the loudness is on. inverted by pressing the key for more than 2 seconds. att indicates the attenuator is on. inverted by pressing the key for less than 2 seconds. stereo indicates that the stereo signal is being input. lit when the stereo pin is at a low level in the fm band. always unlit in mono mode. auto indicates that the tuning mode of the radio is auto (seek). inverted by pressing the key during radio mode. pscan indicates that the device is in preset memory scan operation. lit if the device is placed in preset memory scan operation by the key. me indicates that the device is in the preset memory write status. lit if the device is placed in preset memory write status by the key. standby indicates the traffic information is in the state of standby during cd/tape mode. also indicates it is upon traffic information interrupt/alarm interrupt during radio mode. pi indicates the mode to check a pi code when preset memory is called. inverted by pressing the key upon reception of fm band during radio mode. fm1 indicates the receiving band of the radio. fm2 am nr indicates that the device is in noise reduction mode. inverted by pressing the key during tape mode. metal indicates that the device is in metal tape compatible mode. inverted by pressing the key during tape mode. indicates the running direction of the tape. in tape mode, is lit when the r/l pin is low level; and when high level. rds tp/sk att/loud att/loud auto mono pscan me pi nr metal s t s t
63 m pd17012gf-055 display description 14-segment displays the following: display area (1) receiving frequency (2) clock (3) tape (4) cd (5) ps (program service name) (6) pty alarm (7) traffic information being broadcast in tp/sk mode (8) electronic volume (9) reception band and preset code (10) identification during auto store memory operation (1) receiving frequency display <1> fm band (108.00 mhz) <2> mw band (1620 khz) <3> lw band (281 khz)
64 m pd17012gf-055 display description 14-segment (2) clock display display area the 12- or 24-hr time display can be selected by the clk24 switch of the initialize diode. the :(colon) display can be flashed at 1 hz by the flash switch of the initialize diode. <1> when clk24 = 1 (9:00 p.m.) <2> when clk24 = 0 (9:00 p.m.) <3> when clk24 = 0 (11:59 a.m.) (3) tape display when in tape mode, the display is as follows. (4) cd display when in cd mode, the display is as follows.
65 m pd17012gf-055 display description 14-segment (5) ps display display area if ps data is input, 8-digit ps is displayed. (6) pty alarm display if pty alarm is input, the display is as follows. (7) traffic information broadcasting display in tp/sk mode if the traffic information is being broadcast in tp/sk mode, the display is as follows. (8) electronic volume display <1> when adjusting volume <2> when adjusting bass notes 1. indicates + and e for bass adjustment. 2. displays the value of bass displays the value of the volume note 1 note 2
66 m pd17012gf-055 display description 14-segment <3> when adjusting treble display area notes 1. indicates + and e for treble adjustment. 2. displays the value of treble <4> adjusting balance notes 1. indicates l and r for balance adjustment. 2. displays the value of balance <5> when adjusting fader notes 1. indicates f and r for fader adjustment. 2. displays the value of fader note 1 note 2 note 1 note 2 note 1 note 2
67 m pd17012gf-055 display description 14-segment (9) band/preset display display area <1> when receiving preset 1 of fm1 <2> when receiving preset 6 of fm2 <3> when receiving other than preset memory of am (10) identification during auto store memory operation example during the auto store memory operation of fm1
68 m pd17012gf-055 8. system configuration example antenna fm front end if, mpx analog switch tape cd am tuner vt am amifc rds demodulation pc1346 vt afout sd rdsclk rdsdata sk dk fmifc fm sd stereo mode amplifier initialize diode matrix speaker l.p.f. eo lcd controller/ driver pd16431a lcd panel key matrix pnl v dd pd17012gf-055-3be electronic volume volsda volscl
69 m pd17012gf-055 9. electrical specifications (preliminary) absolute maximum ratings (t a = 25 c) item symbol condition rating unit supply voltage v dd e0.3 to +6.0 v input voltage v i e0.3 to v dd +0.3 v output voltage v o other than p0c 0 ep0c 3 e0.3 to v dd +0.3 v high-level output current i oh one pin e12.0 ma total of all pins e20.0 ma low-level output current i ol one pin 15.0 ma total of all pins 30.0 ma output pressure proof v bds p0c 0 ep0c 3 14.0 v total power dissipation p t 200 mw operating ambient temperature t a all functions operation e40 to +85 c storage temperature t stg e55 to +125 c caution if the absolute maximum rating of even one of the items above is exceeded, product quality may deteriorate. in other words, the absolute maximum rating is the rating value which if exceeded, may result in damage to the product. be certain not to exceed the absolute maximum rating. recommended operation range (t a = e 40 to +85 c) item symbol condition min. typ. max. unit supply voltage v dd1 all functions operation 4.5 5.0 5.5 v v dd2 cpu operation, pll stop 3.5 5.0 5.5 v data retention voltage v ddr crystal oscillation stop 2.3 5.5 v output pressure proof v bds p0c 0 ep0c 3 12.0 v supply voltage rise time t rise v dd = 0 ? 4.5 v 500 ms
70 m pd17012gf-055 dc characteristics (t a = e40 to +85 c, v dd = 5 v 10 %) item symbol condition min. typ. max. unit supply current i dd1 cpu operation, pll stop; 1.0 2.0 ma x in pin sine wave input (f in = 4.5 mhz, v in = v dd ) i dd2 cpu operation, pll stop, 0.5 1.0 ma x in pin sine wave input (f in = 4.5 mhz, v in = v dd ) halt command used data retention voltage v ddr1 in crystal uses the power failure 3.5 v oscillation detection method by timer ff v ddr2 in crystal uses the power failure 2.3 v oscillation detection method by timer ff v ddr3 stop retention of data memory 2.0 v data retention current i ddr1 in crystal v dd = 5 v, t a = 25 c 2.0 4.0 m a i ddr2 oscillation 2.0 20.0 m a i ddr3 stop v dd = 2.3 v, t a = 25 c 1.0 2.0 m a i ddr4 v dd = 2.3 v 1.0 10.0 m a intermediate level output voltage v om com 0 -com 2 v dd = 5.0 v 2.3 2.7 v high-level input voltage v ih1 p0a 1 , p0b 0 -p0b 3 , p1a 0 -p1a 2 , p1b 0 -p1b 3 , 0.7 v dd v dd v p1d 0 -p1d 3 v ih2 p0a 0 , p0a 2 , ce, int 0.8 v dd v dd v v ih3 p0d 0 -p0d 3 0.6 v dd v dd v low-level input voltage v il1 p0a 1 , p0b 0 -p0b 3 , p0d 0 -p0d 3 , 0 0.2 v dd v p1a 0 -p1a 2 , p1b 0 -p1b 3 , p1d 0 -p1d 3 v il2 p0a0, p0a2, ce, int 0 0.2 v dd v high-level output current i oh1 p0a 0 -p0a 2 , p0b 0 -p0b 3 , p1a 0 -p1a 2 , e1.0 ma p1c 0 -p1c 3 , p1d 0 -p1d 3 v oh = v dd e1 v i oh2 lcd 0 -lcd 19 , eo v oh = v dd e1 v e1.0 ma low-level output current i ol1 p0a 0 -p0a 2 , p0b 0 -p0b 3 , p1a 0 -p1a 2 , 1.0 ma p1c 0 -p1c 3 , p1d 0 -p1d 3 v ol = 1 v i ol2 lcd 0 -lcd 19 , eo v ol = 1 v 1.0 ma i ol3 p0c 0 -p0c 3 v ol = 1 v 10 ma high-level input current i ih1 vcoh pin pull-down v ih = v dd 0.1 ma i ih2 vcol pin pull-down v ih = v dd 0.1 ma i ih3 x in pin pull-down v ih = v dd 0.1 ma i ih4 p0d 0 -p0d 3 pin pull-down v ih = v dd 10 150 m a output off leakage current i l1 p0c 0 -p0c 3 v oh = 12 v 1.0 m a i l2 eo v oh = v dd , v ol = 0 v 1.0 m a
71 m pd17012gf-055 ac characteristics (t a = e40 to +85 c, v dd = 4.5 to 5.5 v) item symbol condition min. typ. max. unit operating frequencies f in1 vcol pin mf mode 0.90 3.0 mhz sine wave input v in = 0.15 v p-p vcol pin mf mode 0.50 20 mhz sine wave input v in = 0.3 v p-p f in2 vcol pin hf mode 5 25 mhz sine wave input v in = 0.15 v p-p vcol pin hf mode 5 40 mhz sine wave input v in = 0.3 v p-p f in3 vcoh pin vhf mode 60 130 mhz sine wave input v in = 0.15 v p-p vcoh pin vhf mode 30 250 mhz sine wave input v in = 0.3 v p-p f in4 amifc pin amif count mode 0.3 1.0 mhz sine wave input v in = 0.3 v p-p f in5 amifc pin amif count mode 0.44 0.46 mhz sine wave input v in = 0.1 v p-p f in6 fmifc pin fmif count mode 5 15 mhz sine wave input v in = 0.3 v p-p f in7 fmifc pin fmif count mode 10.5 10.9 mhz sine wave input v in = 0.1 v p-p a/d converter characteristics (t a = e40 to +85 c, v dd = 5 v 10 %) item symbol condition min. typ. max. unit a/d conversion resolution 6 bit a/d conversion overall error 1.0 1.5 lsb reference characteristics (t a = 25 c, v dd = 5.0 v) item symbol condition min. typ. max. unit supply current i dd3 cpu and pll operation, 12 ma vcoh pin sine wave input (f in = 130 mhz, v in = 0.3 v p-p ) i dd4 cpu and pll operation, 13 ma vcoh pin sine wave input (f in = 250 mhz, v in = 0.3 v p-p ) high-level output current i oh3 com 0 -com 2 v oh = v dd e1 v e300 m a intermediate-level output current i ol4 com 0 -com 2 v ol = 1 v 300 m a low-level output current i om1 com 0 -com 2 v oh = v dd e1 v e25 m a i om2 com 0 -com 2 v ol = 1 v 25 m a
72 m pd17012gf-055 10. package drawing 64 pin plastic qfp (14 20) p64gf-100-3b8,3be,3br-2 item millimeters inches a b c 23.60.4 20.00.2 14.00.2 0.9290.016 0.795 0.551 d 17.60.4 0.6930.016 f 1.0 0.039 g 1.0 0.039 h 0.400.10 0.016 i 0.20 0.008 j 1.0 (t.p.) 0.039 (t.p) k 1.80.2 0.071 l 0.80.2 0.031 m 0.15 0.006 n 0.10 0.004 p 2.7 0.106 q 0.10.1 0.0040.004 r 5?5? 5?5? s 3.0 max. 0.119 max. +0.008 e0.009 +0.009 e0.008 +0.004 e0.005 +0.008 e0.009 +0.009 e0.008 +0.004 e0.003 note each lead centerline is located within 0.20 mm (0.008 inch) of its true position (t.p.) at maximum material condition. 51 52 32 64 1 20 19 33 i j m n h g f a s p k l m b c d detail of lead end q r +0.10 e0.05
73 m pd17012gf-055 11. recommended soldering conditions solder the package of this product under the conditions recommended as follows. for details of the recommended conditions for soldering, please refer to the information document semiconductor device mounting technology manual (iei-1207) . for soldering methods and conditions other than those recommended below, please contact nec sales personnel. table 11-1. soldering conditions for surface-mount type m pd17012gf-055-3be: 64-pin plastic qfp (14 20 mm) soldering method soldering condition recommended condition symbol infrared reflow package peak temperature : 235 c; time : within 30 secs (210 c or more); ir35-207-2 count: 2 max.; day limit : 7 days note (hereafter, pre-baked for 20 hrs at 125 c) (1) start second reflow after device temperature (which has risen because of first reflow) has returned to room temperature. (2) do not clean flux with water after first reflow. vps package peak temperature : 215 c; time : within 40 secs (200 c or more); vp15-207-2 count: 2 max.; day limit : 7 days note (hereafter, pre-baked for 20 hrs at 125 c) (1) start second reflow after device temperature (which has risen because of first reflow) has returned to room temperature. (2) do not clean flux with water after first reflow. wave soldering solder bath temperature: no more than 260 c; time : within 10 secs; count: ws60-207-1 once; preheating temperature : 120 c max. (package surface temperature); day limit : 7 days note (hereafter, pre-baked for 20 hours at 125 c) pin part heating pin temperature : no more than 300 c; time : within 3 secs (per device side) ? note refers to the number of days for storage after the dry pack is opened. the storage conditions are 25 c and no more than 65 % rh. caution avoid using multiple soldering methods at the same time (except the pin part heating method).
74 m pd17012gf-055 appendix description of electronic volume control appendix 1. function of electronic volume the m pd17012gf-055 uses electronic volume to control and select the sound. the electronic volume functions are as follows. (1) volume adjustment (0 to 50 steps) (2) bass adjustment (e7 to +7 steps) (3) treble adjustment (e7 to +7 steps) (4) balance adjustment (l7 to r7 steps) (5) fader adjustment (f7 to r7 steps) (6) loudness (on/off) (7) attenuator (on/off) (8) sound selector for adjustments for each function, refer to the descriptions of the key and / key. appendix 2. description of the electronic volume control the m pd17012gf-055 uses an electronic volume ic to control and select the sound. the m pd17012gf-055 transfers the initial data settings to electronic volume about 480-500 ms after the transition from initial low level to high level at the pwrout pin, when the power supply for the v dd pin is turned on (power on reset). in addtion, the m pd17012gf-055 uses the i 2 c bus. the pin configuration between the m pd17012gf-055 and the electronic volume is as follows. figure a-1. pin configuration of electronic volume select voldown volup 27 28 44 27 28 2 sda scl v dd volsda volscl pwrout electronic volume pd17012gf-055 m data clock power
75 m pd17012gf-055 appendix 3. initial electronic volume value settings when initial power is supplied to the m pd17012gf-055, the electronic volume state settings are as follows. function initial value volume 20 steps bass 0 steps treble 0 steps balance 0 steps fader 0 steps loudness off attenuator off also, when ce is reset, the state settings prior to the ce reset are retained.
76 m pd17012gf-055 appendix.4 electronic volume data output timing appendix 4.1 initial data setting output timing the timing of initial data setting output to the electronic volume is shown in figure a-2. figure a-2. initial setting data output timing basdat : bass initial data setting (0 steps) tredat : treble initial data setting (0 steps) voldat : volume initial data setting (master: 20 steps, balance fader: 0 steps) moddat : sound source, loudness data setting (loudness off) approx. 500 ms basdat tredat voldat moddat v dd ce pwrout volsda volscl power key
77 m pd17012gf-055 appendix 4.2 volume data output timing the timing of volume data output to the electronic volume is shown in figure a-3. when adjusting the balance fader, output is according to the following procedure. figure a-3. volume data output timing master vol : 0 to 50 steps rf : right front volume data lf : left front volume data rr : right rear volume data lr : left rear volume data appendix 4.3 loudness data output timing the timing of loudness data output to the electronic volume is shown in figure a-4. figure a-4. loudness data output timing chip id master vol rf lf rr lr volup , voldown key electronic volume display is switched volsda volscl chip id d 0 turn on att/loud key volsda volscl inverts "loud" display approx. 2 seconds d 0 : sound/loudness data
78 m pd17012gf-055 appendix 4.4 attenuator data output timing the timing of attenuator data output to the electronic volume is shown in figure a-5. figure a-5. attenuator data output timing master vol : 0 to 50 steps rf : right front volume data lf : left front volume data rr : right rear volume data lr : left rear volume data when the attenuator is turned on, e20 db is subtracted from each of master vol, rf, lf, rr, lr, and the result is output. chip id master vol att/loud less than approx. 2 seconds inverts "att" display volsda volscl rf lf rr lr on off
79 m pd17012gf-055 appendix 4.5 sound source switchover data output timing the timing sound source switchover data output to the electronic volume is shown in figure a-6. figure a-6. voice source switchover data output timing chip id d 0 volsda volscl mute pin approx. 40 ms 290-300 ms mute first-out output switchover data transmission mute last-out output cd pin or tape pin mode pin switchover " " display or " " display d 0 : sound/loudness data appendix 4.6 bass data output timing the timing of bass data output to the electronic volume is shown in figure a-7. figure a-7. bass data output timing chip id d 0 volup , voldown key " " display volsda volscl less than approx. 5 seconds d 0 : bass step value data
80 m pd17012gf-055 appendix 4.7 treble data output timing the timing of treble data output to the electronic volume is shown in figure a-8. figure a-8. treble data output timing chip id d 0 volsda volscl less than approx. 5 seconds volup , voldown key " " display d 0 : treble step value data
81 m pd17012gf-055 notes for cmos devices 1 precaution against esd for semiconductors note: strong electric field, when exposed to a mos device, can cause destruction of the gate oxide and ultimately degrade the device operation. steps must be taken to stop generation of static electricity as much as possible, and quickly dissipate it once, when it has occurred. environmental control must be adequate. when it is dry, humidifier should be used. it is recommended to avoid using insulators that easily build static electricity. semiconductor devices must be stored and transported in an anti-static container, static shielding bag or conductive material. all test and measurement tools including work bench and floor should be grounded. the operator should be grounded using wrist strap. semiconductor devices must not be touched with bare hands. similar precautions need to be taken for pw boards with semiconductor devices on it. 2 handling of unused input pins for cmos note: no connection for cmos device inputs can be cause of malfunction. if no connection is provided to the input pins, it is possible that an internal input level may be generated due to noise, etc., hence causing malfunction. cmos device behave differently than bipolar or nmos devices. input levels of cmos devices must be fixed high or low by using a pull-up or pull-down circuitry. each unused pin should be connected to v dd or gnd with a resistor, if it is considered to have a possibility of being an output pin. all handling related to the unused pins must be judged device by device and related specifications governing the devices. 3 status before initialization of mos devices note: power-on does not necessarily define initial status of mos device. produc- tion process of mos does not define the initial operation status of the device. immediately after the power source is turned on, the devices with reset function have not yet been initialized. hence, power-on does not guarantee out-pin levels, i/o settings or contents of registers. device is not initialized until the reset signal is received. reset operation must be executed imme- diately after power-on for devices having reset function.
[memo] m pd17012gf-055 no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec corporation. nec corporation assumes no responsibility for any errors which may appear in this document. nec corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. no license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec corporation or others. while nec corporation has been making continuous effort to enhance the reliability of its semiconductor devices, the possibility of defects cannot be eliminated entirely. to minimize risks of damage or injury to persons or property arising from a defect in an nec semiconductor device, customer must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. nec devices are classified into the following three quality grades: standard, special, and specific. the specific quality grade applies only to devices developed based on a customer designated quality assurance program for a specific application. the recommended applications of a device depend on its quality grade, as indicated below. customers must check the quality grade of each device before using it in a particular application. standard: computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots special: transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) specific: aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. the quality grade of nec devices in standard unless otherwise specified in nec's data sheets or data books. if customers intend to use nec devices for applications other than those specified for standard quality grade, they should contact nec sales representative in advance. anti-radioactive design is not implemented in this product. m4 94.11 the application circuits and their parameters are for references only and are not intended for use in actual design-in's. the export of this product from japan is regulated by the japanese government. to export this product may be prohibited without governmental license, the need for which must be judged by the customer. the export or re-export of this product from a country other than japan may also be prohibited without a license from that country. please call an nec sales representative. purchase of nec i 2 c components conveys a license under the philips i 2 c patent rights to use these components in an i 2 c system, provided that the system conforms to the i 2 c standard specification as defined by philips.

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