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electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series supply voltage range..........................vcc=4.5~5.5v rated supply voltage......................................vcc=5v single chip karaoke processor recommended operating condition system configuration description *capable of composing echo and key control circuits necessary for karaoke system for karaoke system with a single chip *echo circuit is capable of supporting digital surround by adopting 16kbit ram built-in digital delay *17steps of -8 to +8 for key control (1step is equivalent to a half tone) *karaoke entertainment functions such as karaoke scoring,vocal cut, equalizer, phase shifter, detection of intervals between songs, and magic voice functions *generation of unnecessary radiation is avoided because clock's built-in current-control oscillation circuit keeps clock effects inside the clock *built-in automatic reset circuit activated with power turned on *5v single power supply features *the M65851fp is an lsi that not only contains circuits (echo and key control) necessary for karaoke but also improves other peripheral functions. *this ic has full peripheral functions including vocal cut, phase shifter, equalizer,detection of intervals between songs, digital surround, and karaoke scoring. it is therefore suitable not only for dedicated karaoke units but also for radio cassette tape recorders, tv,vcr,and miniature unit audio systems with karaoke function. d-65851-65d 1 lch input rch input mic mic amp lch output rch output vocal cut mix mic vol score system alc mic mix mix phase shifter key control delay vol echo/ surround source selector eq r+l l r music search (on/off) outline 80p6n-a 0.8mm pitch qfp (20.0mmx14.0mmx2.8mm)
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 2 pin configuration lbpf1 lbpf2 lbpf3 ksigin kcout kolpf2 kolpf1 khpf2 khpf1 kcisig kilpf1 kilpf2 kadcintin kadcintout kadccont kdaccont1 kdaccont2 kdacintout kdacintin ref agnd1 avcc1 kcsel scoretest1 scoretest2 scoretest3 mck vdd dgnd data clock strobe w/rsel test1 test2 dolpf3 dolpf2 dolpf1 ddacintout ddacintin ddaccont dadccont dadcintout dadcintin dilpf3 dilpf2 dilpf1 din disig dout agnd2 vcc2 eqr1 eqr2 eqr3 eqr4 rout lout eql4 eql3 eql2 eql1 ps2 ps1 rin lin vcfil micin mbpf1 mbpf2 mbpf3 adc vdd 76 75 74 73 72 70 69 68 67 66 65 25 26 27 28 29 30 32 33 34 35 36 37 38 39 40 71 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 18 6 19 22 23 24 41 42 43 44 45 46 47 48 50 49 51 52 53 55 56 57 58 59 60 61 62 63 64 77 80 17 79 78 20 21 31 54 adc dac lpf lpf clock auto reset logic 16kbit sram 16kbit sram gnd gnd gnd vcc ref delay keycon score phase shifter l r mic source selector karaoke scoreing test hpf lpf bpf2 vcc lpf mcu interface d.vol dac equalizer equalizer f.vol vol bpf1 gain gain req eqlampin1 eqlampin2 eqlampout eqrampin1 eqrampin2 eqrampout lgain mgain
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series pin description pin no. symbol name i/o function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 lbpf1 lbpf2 ksigin kcout kolpf2 khpf2 khpf1 key controled signal input post-filter after d/a conversion for key control o i key control output high-pass passage filter for high-pass through low-pass filter 2 output o pre-filter after d/a conversion for key control - - o kcisig kadcintin kilpf1 key control signal output i i line band pass filter1 i lbpf3 key controled signal input key contorol signal output o kolpf1 low-pass filter 1 input i high-pass filter 2 output o high-pass filter 1 input i output by selecting from l,l+r/2,l-r,and microphone input low-pass filter 1 input kilpf2 low-pass filter 2output o a/d integrator input kadcintout a/d integrator output o kadccont a/d control composes an a/d conversion integrator with external c kdaccont1 d/a control 1 kdaccont2 - kdacintout d/a integrator output composes a d/a conversion integrator with external c - mbpf2 mbpf3 i o composes band pass filter for karaoke scoring (for microphone signal) microphone band pass filter2 3 microphone band pass filter3 line band pass filter2 line band pass filter3 composes band pass filter for karaoke scoring (for reference signal) d/a control 2 -
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 scoretest1 vdd mck dgnd data clock strobe w/rsel test1 test2 i:cmos20k w score test selector1 i:cmos20k w score test selector ; normally set to l level clock control digital power supply - clock control digital gnd serial data i:cmosshumitt shift clock output serial data input/output o:cmos 50k w strobe strobe output write-read selector test signal control input1 agnd1 vcc1 kcsel analog gnd1 - analog power supply1 key control selector - 5v i:cmos20k w controls the key selector key control mode or not scoretest2 scoretest3 external r controls built-in clock generator circuit - - 50k w o:cmos 50k w 50k w control the selector write/read micro computer interface i:cmos20k w i:cmos20k w test input pin ; normally set to l req request request output ref reference kdacintin d/a integrator input i - dolpf3 i low-pass filter 3 output o dolpf2 post-filter after d/a conversion for digital delay o:cmos score test selector ; normally no connect 4 pin no. symbol name i/o function composes a d/a conversion integrator with external c score test selector2 score test selector3 i:cmosshumitt i:cmosshumitt i:cmosshumitt test signal control input2 low-pass filter 2 input analog reference voltage = 1/2vcc . .
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 ddacintout disig agnd2 vcc2 eqr2 i composes a d/a conversion integrator with external o pre-filter before a/d conversion for digital delay o i o i analog gnd2 analog power supply2 - - composes external c for the adjustment of rch equalizer characteristics (bass and treble) dout eqr1 rch equalizer adjustment c1 - dolpf1 - d/a integrator output ddacintin ddaccont d/a control - dadccont - dadcintout dadcintin dilpf3 low-pass filter 3 output dilpf2 dilpf1 - o din delay select signal input i outputs after selection of echo/surround input signal delay signal output o delay signal output eqr3 - - eqrampin1 rch equalizer input 1 i eqr4 - 5 pin no. symbol name i/o function post-filter after d/a conversion for digital delay low-pass filter 1 input d/a integrator input a/d control a/d integrator output a/d integrator input composes a a/d conversion integrator with external low-pass filter 2 input low-pass filter 1 input delay select signal output rch equalizer adjustment c2 rch equalizer adjustment c3 rch equalizer adjustment c4
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 rout lout eql4 eql3 eql2 eql1 ps2 ps1 rin lin vcfil micin mbpf1 rch output phase shift input 2 i i i vocal cut filter microphone input i o o rch mixing output lch output lch mixing output - - - - phase shift input 1 determines a constant at time of phase shift rch line input lch line input i rch line input lch line input processes frequencies lower than the vocal band i microphone input - eqrampin2 i eqrampout o eqlampout o eqlampin2 i eqlampin1 i lgain line input gain control i mgain i set gain for the no music detection 6 pin no. symbol name i/o function composes external c for the adjustment of lch equalizer characteristics (bass and treble) lch equalizer adjustment c1 lch equalizer input 1 lch equalizer adjustment c2 lch equalizer adjustment c3 lch equalizer adjustment c4 lch equalizer input 2 lch equalizer output composes external c for the adjustment of rch equalizer characteristics (bass and treble) rch equalizer input 2 rch equalizer output microphone input gain control composes band pass filter for karaoke scoring (for microphone signal) microphone band pass filter2 set gain for the microphone detection
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series absolute maximum ratings vcc vi pd topr tstg symbol name test conditions ratings units supply voltage circuit current input voltage operating temperature storage temperature 6.0 -0.3~vcc+0.3 815 -20~+75 -40~+125 v v w ? ? recommended operating condition vcc v il v ih symbol parameter test conditions limits units analog supply voltage l input level h input level v v v min typ max 4.5 5 5.5 0 0.7vdd 0.3vdd vdd - - 7 vdd v 4.5 5 5.5 vcc-vdd analog-digital voltage margin v -0.3 0 0.3 25 26 27 28 37 38 32 33 34 36 0 - 0.8 v 25 26 27 28 37 38 32 33 34 36 vdd-1 - vdd v pin pin pin pin digital supply voltage
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series electrical characteristics icc gv thd no vomax symbol parameter test conditions limits unit circuit current gain between input and output output distortion output noise voltage maximum output voltage ma db % dbv vrms min typ max no signal provided jis-a vo=100mvrms,30khz l.p.f thd=10% - 3 - - 0.7 0 1.3 - 80 1.0 + 3 3 - 65 - (vcc=5v,f=1khz,vi=100mvrms,f0,ta=25? unless otherwise noted) fck clock frequency 8 mhz r id pulldown resistance 10 20 40 k w 25 50 100 k w key control digital delay td delay time msec 10.2 15.4 20.5 28.7 49.2 98.3 148 197 25 26 27 28 37 38 32 33 34 36 pin pin i oh i ol ma ma vol=0db volattmax maximum volume attenuation gain=- -60 db total 131 sets 10msec with microcomputer - "h"output current 32 35 pin v oh = 4.0v - -20 -10 32 35 pin v ol = 1.0v 20 34 - -40 8 "l"output current sets 15msec with microcomputer sets 20msec with microcomputer sets 30msec with microcomputer sets 50msec with microcomputer sets 100msec with microcomputer sets 130msec with microcomputer sets 150msec with microcomputer sets 200msec with microcomputer 25 60 90 6.8 9.2 4.2 8.4 13.5 19.7 40.2 86.3 116 128 177 16.2 22.4 27.5 37.7 58.2 110.3 146 168 217
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series digital delay thd output distortion % td=10,15,20msec, 30khz lpf td=30msec, 30khz lpf td=50msec, 30khz lpf td=100msec, 30khz lpf td=150msec, 30khz lpf td=200msec, 30khz lpf vomax maximum output voltage vrms 0.7 1.0 0.3 0.5 0.7 1.0 1.5 2.0 0.6 1.0 1.4 2.0 3.0 4.0 30khz lpf, thd=10% no output noise voltage dbv td=10,15,20,30,50msec, vi=0mvrms jis-a td=100msec, vi=0mvrms jis-a td=130msec,150msec vi=0mvrms ,jis-a td=200msec, vi=0mvrms jis-a -92 -87 -85 -82 -80 -72 -70 -67 line gv gain between input and output db - 3 0 + 3 thd % 0.05 0.1 30khz lpf,upon key control through 30khz lpf,upon key control through vomax maximum output voltage vrms 1.2 1.8 30khz lpf,thd=10% upon key control through no output noise voltage dbv -95 -88 jis-a,upon key control through gv gain between input and output -3 0 +3 db vol=0db volattmax delay volume gain=- -60 db feed back volume gain=- -60 db -40 -40 9 symbol parameter test conditions limits unit min typ max (vcc=5v,f=1khz,vi=100mvrms,f0,ta=25? unless otherwise noted) maximum volume attenuation output distortion
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series line cs channel separation db -70 -50 zi input impedance k w 10 20 upon key control through lin=400hz, rout jis-a gbbmax maximum bass boost volume 9 12 15 gbcmax maximum bass cut volume db -15 -12 eq;bass,treble gtbmax gtcmax maximum treble boost volume maximum treble cut volume f=100hz f=100hz f=10khz f=10khz -9 9 12 15 -15 -12 -9 grej vocal removal ratio 18 db 14 vocal cut 10 symbol parameter test conditions limits unit min typ max (vcc=5v,f=1khz,vi=100mvrms,f0,ta=25? unless otherwise noted) 40
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series features M65851fp provides the following functions and can configurate all karaoke functions with only a single chip. function explanation notes 1 digital echo built in 16ksram delay time (changeable) 100ms,130ms150ms,200ms 2 digital key control built in 16ksram -8 ~ +8 17 steps 3 digital surround built in 16ksram digital surround 10ms ~ 50ms 5 kinds at key set mode capable of use echo or surround not key set mode capable of use both echo and surround phase shifter surround changeable the effect thanks to the external r capable of use both key control and echo 4 equalizer bass/treble -12db ~ +12db/2db 13 steps changeable bass; resonance type treble ; filter type 5 source selector provided all multiple voice soft, l,r,(l+r)/2, vocal cut l-r(for digital surround) key control bypass 6 scoring function scoring the mic vocal input compare the reference vocal and mic vocal frequency 7 help vocal function at the mic vocal is nothing , reference vocal is mixed output. 8 voice key control input the mic voice to key control (change voice tone) 9 10 music search detect to line input level at music input is nothing ,key control level is reset automatically others mcu inter face current control type oscillation circuit automatic mute automatic reset 11 at key set mode capable to use voice key control or key control key set mode not key set mode usable or not switch with the echo 11
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series delay block lpf adc delay dac lpf delay volume 16kbit ram + + 50 49 48 47 46 45 44 43 42 41 40 39 51 input output 4700p 1000p 0.068 0.1 0.1 0.068 1000p 4700p 1.constitution 2.function delay block provides a delay signal which using digital echo or digital surround. 1 delay time capable to set the follow delay time; echo surround delay time 100,130,150,200msec 10,15,20,30,50msec mode dlsw1 feedback volume 2 switch mode mode dlsw1 on off echo surround 52 12 + dlsw2 dlsw3 1 2 dlsw2 off 1 2 1 2 1 echo"1" set the echo volume using the delay volume(change the delay signal gain) echo"2" set the microphone volume using the delay volume (change the delay signal+input signal gain)
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 3 input/ output lpf input/output lpf is formed following block. 1000pf 4700pf input output echo surround mode switch conditions cut off frequency 1 2 7.0khz 3.0khz 4 volume delay volume feedback volume volume mode +6db ~ -12db / 3db step and - 8 level -2db ~ -6db / 1db step and -8db,-10db,- 8 level 50 49 48 (41) (40) (39) 13 mute off dlsw3 on off delay signal mute mute on input/ output lpf 1 2
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series key control block it can be changed the key of karaoke accompaniment. and it can change a microphone voice which like a monkey voice. it also can use digital echo block at not key set mode. 2.constitution lpf adc key control dac lpf hpf 16kbit ram + 13 14 15 16 17 18 20 21 9 8 outpu t 820p 0.047 0.068 0.068 0.047 vol 19 0.068 560p 4700p 11 10 5.6k 1000p 1000p 1000p 2.7k 3.9k 15k 15k 10k 10k 4.7k 3300p 7 input 2.2 2.2 l h kcsel key control condition key control set mode 1.key control condition ,key control set mode or not 25 not key control set mode 3.function 1 key change level key change level (1step is half tone) key up key down +8 +7 +6 +5 +4 +3 +2 +1 0 -1 -2 -3 -4 -5 -6 -7 -8 25 6 12 14
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 4.echo block (using key control block) at not key control set mode,digital echo is able to use ,when the following block using. lpf adc delay dac lpf buf 16kbit ram + 13 14 15 16 17 18 20 21 9 8 output 1000p 4700p 0.1 0.1 0.068 vol 19 1000p 4700p 11 10 24k 24k 24k 24k 24k 24k 24k 24k 7 input 2.2 2.2 0.068 1.0 echo feed back volume 2 volume it set the key control signal gain. +4db~-6db/2db step and -10db, - 8 level 3 key control level automatic reset when music search detects no signal ,key control level is automatic changed normal (0) level. (provides on/off switch with mcu interface) delay time 100msec,130msec,150msec,200msec volume level +4~-6db/2db step and -10db, - 8 level (same as key control volume) 25 12 6 15
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series following is the phase shifter block, which makes phase surround effect. lch output rch output lch input rch input surround sw 20k 20k 20k 20k 20k 20k phase shifter block 20k 20k key control block output surround sw on r=13k w r=16k w r=20k w surround sw off switch conditions surround effect max typ min nothing 16 c(external)=0.022? r(internal) 73 72 phase shifter
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series following is the equalizer block, which can control the both gain bass and treble. eqout c3 equalizer block 71 70 (57) 69 (58) 68 (59) c1 c2 bass block is resonance type which is used simulated inductor amplifier.treble block is filter type. these can be set -12db ~ +12db/2db step. following is a center frequency "fo" ,"q" (bass resonance block). fo = 1/(2 p c1?2?1?2) (hz) q = (c1?2) / (c2?1) 0.022 0.47 0.033 64 (63) 65 (62) 17 r1 r2 (56) 136k 1.8k equalizer block bass resonance block
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series vocal cut block the sound components of the same phase and same sound volume in the l and r channels are attenuated. this made also allows components with lower frequency than the vocal band to pass through the filter, to compensate insufficient low-frequency sound. vocal cut output 20k 20k lch input rch input c 20k 20k 20k 20k lpf is formed by the internal r (20k w ) and the external c, when where c=0.15?f , cut off frequency is 53hz . fvc= 2 p cr 1 vocal cut block 0.15? r 18 76 20k c 0.15 76 vocal cut block
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series scoring function judge the mic vocal input . 1.scoring output form mic input is judged from 0 to 99 level. 2.constitution scoring function scoring function is constituted following two ways. compare the frequency reference voice and microphone voice vocal level judgment (as vocal is bigger than reference level,judgment is good) 1 compare the frequency 2 vocal level judgment judgment conditions function ratio 75% 25% 19
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 3.music search music search is constituted following . 1 input signal reference level comparison 2 music detection 3 no music detection 1 input signal reference level comparison input signal reference level comparison is comstituted amplifier and level comarison. when input signal is bigger than reference level,level comparison output the pulse which added internal clock. input signal clock signal pulse output (after level detection) reference level then reference level can be changed ,thanks to the following internal r2 and external r1 which determine the amplifier gain . lch r2=50k w r1 internal resistance precision is about ?0%. level comparator gain gv = (r1 + r2) / r1 78 20
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 2 music detection to search a music interval, it is necessary to judge if it is a music or not. this judgment is made by monitoring the 20 seconds and counting the pulse signal (after level detection). the pulse signal counts is bigger than fixed counts, it is judged as a music. pulse counter is reset whenever monitor 20 seconds or judged no music decision. about 20 sec music decision 3 no music detection after music decision ( 2 ), no music is judged when no pulse in level detection at 3 seconds.but if there isn't no pulse when monitoring the3 seconds, no music decision counter is reset . about 3 sec no music decision 21 pulse output (after level detection) pulse output (after level detection)
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 4.signal input circuit signal input circuit is constituted the following band pass filter, which cuts the input signal to vocal band width. low level cut off frequency fcl and high level cut off frequency fch is fcl= 1/2 p c1r1 = 106 hz fch = 1/2 p c2r2 = 1.1khz and , the gain of amplifier gv is gv = r2/r1 = 20 db. same as the band pass filter is constituted microphone signal input. input r1=10k w c1=0.15? output r2=100k w c2=1500pf 80 1 2 (3) (4) (5) in case using the karaoke system , when microphone input level is nothing , then audio source vocal appears and help the microphone songs. (it can set only following conditions , audio source selector sets lch monaural or vocal cut) automatic vocal support microphone input level source selector mode on off lch monaural vocal cut others (l+r)/2 (l+r)/2 same as microphone input changing time from microphone input level changed to source selector changed is following . attack time (off on)0 sec release time (on off) 1sec or 2 sec 22
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series reference level release time microphone input level output microphone signal detection on off on attack time 0s the timing of microphone input signal detection following is the microphone input signal judgment block , which includes amplifier so reference level can regulate. mic r2=50k w r1 level comparator gain gv = (r1 + r2)/r1 79 23 internal resistance precision is about ?0%.
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series this ic incorporates a current control type clock oscillator circuit in it, thus providing circuit configuration just by connecting a r for current control pin 29 (clkcnt). fully internal clock supply prevents occurrence of undesired radiation without affecting any external circuit. the oscillator frequency fck is following. fck = 8 mhz this ic is automatically reset when the power is turned on , and is automatically canceled nearly 120msec later. function echo delay time key control phase shifter equalizer source selector scoring function first set 150msec no changing off off stereo(key control by pass) off oscillation circuit reset 24
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series mcu interface 1.constitutions mcu interface is constituted serial bass interface , so the selection, data input or output , is changed by 36 pin input level . 32 33 34 35 mcu interface circuit mcu data clock strobe req mcu ic(data input) ic mcu (data output) l h w/rsel conditions 36 2.data input (1)data input format d0 clock data d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 strobe (2)mode creations d0~d1 select the following each block, and d2 ~ d13 create the particular setting. d14,d15 are chip address, so this ic can use only when d14="l"and d15="h". d0 d1 d2~d13 l l l h h l h h echo/surround mode key control mode equalizer/phase sifter mode line mixing/others mode 36 w/rsel d14 d15 l h chip addles 25
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 1 echo /surround mode d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 l l echo/ surround surround delay time delay volume feed back volume echo delay time d2 d3 d4 d5 l d6 d7 - - - - - - 100msec echo/surround switch - - - - - - - - - l l - - - - - - - - - - - - - - - - - h - - echo surround on not key control set mode sets h level echo delay time l h h h l h 130msec 150msec 200msec parameter function 10msec - - - - - - - - - - - - - - - - surround delay time 15msec 20msec 30msec - - - h l l l h l h h l l l h h l h 50msec l h 26
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series h h h h h l h l h h l l l h h +6db +3db 0db -3db -6db feed back volume l h l -9db l l h -12db l l l - d8 d9 d10 d11 d12 d13 delay volume - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - h h h h h l h l h h l l l h h l h l l l h l l l -2db -3db -4db -5db -6db -8db -10db - 2 key control mode d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 l h key change level key control volume vsc/ vmc l h auto reset 27 delay volume select delay signal mute parameter function
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series d3 d4 d5 h h l h l h h l h h l h h l h d6 d7 l l h h h l l h l l vmc mode vsc mode h l l h l l h l l l l l h h h l l h l l l l l l l l l l l l l h l l h l h h l h h l l l h l l h l l h h l h h l h l l l +4 +3 +2 +1 0 -1 -2 -3 -4 +8 +7 +6 +5 -5 -6 -7 -8 key change level d8 l h - - - - - - - - - - - - - - - - - - - - - - - - - - - key control mode selector automatic key control reset d2 l h - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - automatic reset off automatic reset on 28 parameter function
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series +4db +2db 0db -2db -4db -6db -10db - d9 d10 d11 h h h h h l h l h h l l l h h l h l l l h l l l 29 using an echo volume using a microphone volume mute off mute on d12 d13 delay volume selector h l h l key control volume set (when not key control mode, it use a echo volume) delay signal mute - - - - parameter function parameter function 3 equalizer/phase shifter mode d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 h l phase shifter equalizer treble equalizer bass automatic vocal support l h
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series d6 d7 d8 volume(db) h h h h h l h h l h l h h l h +12 +10 +8 +6 +4 equalizer treble mode h l l +2 l l l 0 l l l -2 equalizer bass mode d9 l h l h l h l h l l h -4 l l h -6 l h l -8 l h l -10 l h l h l h l h l h h -12 l l h d10 d11 d12 volume(db) h h h h h l h h l h l h h l h +12 +10 +8 +6 +4 h l l +2 l l l 0 l l l -2 d13 l h l h l h l h l l h -4 l l h -6 l h l -8 l h l -10 l h l h l h l h l h h -12 l l h 30 h d2 d3 d4 l l - - - - - - - - - l h l - - - - - - - h off on release time 1sec - - h - - l l h h automatic vocal support (it can use only echo mode) phase shifter surround mode off surround effect minimum surround effect maximum d5 release time 2sec parameter function surround effect typical
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 4 line mixing/others mode d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 h h l h source selector key control by pass key control mixing delay mixing scoring function h source selector d2 d3 d4 d5 d6 l l h l l h l - - - - - - - - - - - - - key control mixing on/off selector - - - - - - key control by pass by pass off(though the key control circuit) - - - - - - - - - - h h h l stereo delay block input l-r delay block input (l+r)/2 lch monaural rch monaural vocal cut by pass on(by pass the key control circuit) h l mixing off(sssw10="2") mixing on(sssw10="1") relationships source selector and key control by pass mode d2 d3 l l h l l h h h stereo lch monaural rch monaural vocal cut lch monaural rch monaural vocal cut (l+r)/2 voice key control 31 parameter function key control mixing by pass on key control mixing by pass off
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series h h l l d7 d8 d9 d10 d11 - - - - - - - - - - - - - - - - - - - - - - - mixing on(l,r same phase) mixing on(l,r reverse phase) mixing off l l h h h - l h scoring function on - - scoring function off - - scoring function - - - - l h score output after no music decision score can output always timing - - - - - - d12 internal music detection decides the scoring start/stop timing mcu data decides the scoring start/stop timing h scoring stop scoring start * * * scoring function start /stop mode 1 decide the internal music detection (d11="l") 2 decide the mcu data(d11="h") when d12 is "l" level scoring is stopping ,and change "h" level, scoring is start until d12 changes "l"level. - - - - - - - d13 voice key control h l off on - - - - - - - - - - - - - - - - - - - - - - - 32 parameter function delay signal mixing on/off selector
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 3.data output(score result output) (1) internal music detection decides the scoring output timing when karaoke song is over and then music detection judgment the no music detection, scoring is over and output the "h" pulse to req. after req is "h" level and then w/rsel changes from "l" to "h",this ic changes a output mode and it can output the score result. d0 clock data d1 d2 d13 d14 d15 req music interval decision line input (output) (output) (input) (2) mcu data decides the scoring result data output timing w/rsel changes from"l"to "h",so this ic changes output mode ,and then score result data can output the same period of the clock . music decision d0 clock data d1 d2 d13 d14 d15 (output) (input) line input music decision (3)data format d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 score result output (binary output) (msb) (lsb) w/rsel (input) w/rsel (input) 33 music interval decision d8 : music interval decision music decision="h", music interval decision="l" d9~d15 : score result output d9 d10 d11 d12 d13 d14 d15 an example?@78 points h l l h h h l
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series caution 1.input/output signal level when using phase shifter, echo mixing and equalizer ,this ic is limited the following functions.so,please determine the revel of the each functions. input base level equalizer gain mode head room s/n 150mvrms 0db 10.6db 78.5db 100mvrms +6db 8.1db 75db 100mvrms +12db 2.1db 75db 50mvrms +12db 8.1db 69db 2.improvement of head room as stated above, equalizer gain level is bigger, head room becomes also nallow. so it can be improvement that latest opeamp which using equalizer use external opeamp. 34 eqin bass treble 70 (57) 69 (58) 68 (59) 0.022 0.47 0.033 64 (63) (56) 65 (62) 67 (60) 1.0 150k 66 (61) m5218ap analog high voltage vcc2 output vcc2 2 136k 1.8k 71 equalizer
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series following the relations supply voltage, input signal level ,head room and s/n. (external opamp ;m5218ap) input level equalizer gain level head room s/n 150mvrms +6db 8.1db 78.5db +12db 2.1db 78.5db 100mvrms +6db 11.6db 75db +12db 5.6db 75db vcc2 9v 150mvrms +6db 10.6db 78.5db +12db 8.1db 78.5db 100mvrms +6db 14.1db 75db +12db 11.6db 75db 15v (effect M65851fp) (effect M65851fp) 20v 150mvrms 100mvrms +12db +12db 10.6db (effect M65851fp) 14.1db (effect M65851fp) 78.5db 75db 35
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. ( / 36 ) M65851fp mitsubishi semiconductors (sound procdssor ics) karaoke 50 series series 36 application example adc vdd 76 75 74 73 72 70 69 68 67 66 65 25 26 27 28 29 30 32 33 34 35 36 37 38 39 40 71 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 18 6 19 22 23 24 41 42 43 44 45 46 47 48 50 49 51 52 53 55 56 57 58 59 60 61 62 63 64 77 17 79 78 20 21 31 54 adc dac lpf lpf clock auto reset logic 16kbit sram 16kbit sram gnd gnd gnd vcc ref delay keycon score phase shifter l r mic source selector karaoke scoreing test hpf lpf bpf2 vcc lpf mcu interface d.vol dac 0.15 ? 1500p 2.2 ? 15k 3.9k 560p 2.2 ? 10k 10k 820p 4.7k 3300p 1000p 1000p 1000p 5.6k 4700p 0.047? 0.068? 0.068? 0.068? 0.047? 15k 47? 100? 0.1? 4700p 0.1? 0.068? 1.0? 2.2? 100? 0.1? 0.033? 0.022? 0.47? 0.033? 0.022? 0.47? 0.022? 0.15? 1.0? 1.0? lin rin micin data clock strobe w/rsel 1000p equalizer equalizer f.vol vol 0.1? 0.068? 4700p 1000p 2.2? 1.0? lout rout 27k 0.1? 2.2? req bpf1 0.15 ? 1500p gain gain 80 1 ? 1 ? 10k 10k 11k

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