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product specification ps020823-0208 crimzon ? zlp32300 z8 ? otp mcu with infrared timers copyright ?2008 by zilog ? , inc. all righ ts reserved. www.zilog.com
ps020823-0208 do not use in life support life support policy zilog's products are not authorized fo r use as critical components in life support devices or systems without th e express prior written approval of the president and general counsel of zilog corporation. as used herein life support devices or systems are devices which (a) ar e intended for surgical implant into the body, or (b) support or sustain life and whose failure to perform when properly used in accordan ce with instructions for use provided in the labeling can be re asonably expected to result in a significant injury to the user. a critical component is any component in a life suppor t device or system whose failure to perform can be reasonably expected to cause the fa ilure of the life support device or system or to affect its safety or effectiveness. document disclaimer ?2008 by zilog, inc. all rights reserved. information in this publication concerning the devices, applications, or technology described is intended to suggest possible uses and may be superseded. zilog, inc. does not assume liability for or provide a representation of accuracy of the information, devices, or technology described in this document. zilog also does not assume liability for intellectual property infringement related in any manner to use of information, devices, or technology described herein or otherwise. the information contained within this document has been verified according to the general pr inciples of electrical and mechanical engineering. z8, z8 encore!, z8 encore! xp, z8 encore! mc, crimzon, ez80, and zneo are trademarks or registered trademarks of zilog, inc. all other product or servi ce names are the property of their respective owners. warning:
crimzon ? zlp32300 product specification ps020823-0208 revision history iii revision history each instance in the revision history table reflects a change to this document from its previous revision. for more deta ils, refer to the corresponding pages or appropriate link in the table. date revision level description page number february 2008 23 updated ordering information section. 87 january 2008 22 updated ordering information section. 87 july 2007 21 updated disclaimer section and implemented style guide. all february 2007 20 updated low-voltage detection . 58 may 2006 19 updated figure 33 with pin p22 in smr block input. 52 december 2005 18 updated clock and input/output ports sections. 15 and 51
crimzon ? zlp32300 product specification ps020823-0208 table of contents iv table of contents architectural overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 development features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 xtal1 crystal 1 (time-based input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 xtal2 crystal 2 (time-based output) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 input/output ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 reset (input, active low) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 program memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 ram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 expanded register file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 register file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 counter/timer functional blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 port configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 stop mode recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 watchdog timer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 low-voltage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 expanded register file control registers (0d) . . . . . . . . . . . . . . . . . . . . . . . . 60 expanded register file control registers (0f) . . . . . . . . . . . . . . . . . . . . . . . . . 65 standard control registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 standard test conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 dc characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 ac characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 part number description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 customer support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
crimzon ? zlp32300 product specification ps020823-0208 architectural overview 1 architectural overview zilog?s crimzon ? zlp32300 is an otp-based member of the mcu family of infrared microcontrollers. with 237 b of general-pu rpose ram and 8 kb to 32 kb of otp, zilog?s cmos microcontrollers offer f ast-executing, efficient use of memory, sophisticated interrupts, input/output b it manipulation capabilities, automated pulse generation/reception, and internal key-scan pull-up transistors. the crimzon zlp32300 architecture (see figure 1 on page 3) is based on zilog?s 8-bit microcontroller core with an expanded regist er file allowing access to register-mapped peripherals, input/output (i/o) circuits, an d powerful counter/timer circuitry. the z8 ? cpu offers a flexible i/o scheme, an efficien t register and address space structure, and a number of ancillary features that are useful in many consumer, automotive, computer peripheral, and battery-operated hand-held applications. there are three basic address spaces available to support a wide range of configurations: 1. program memory 2. register file 3. expanded register file the register file is composed of 256 bytes of ram. it includes four i/o port registers, 16 control and status registers, and 236 genera l-purpose registers. the expanded register file consists of two additiona l register groups (f and d). to unburden the program from coping with such real-time problems as generating complex waveforms or receiving and de modulating complex waveform/pulses, the crimzon zlp32300 offers a new intelligent counter/timer architect ure with 8-bit and 16-bit counter/timers (see figure 2 on page 4). also included are a large number of user- selectable modes and two on-board comparator s to process analog signals with separate reference voltages. all signals with an overline, ? ?, are active low. for example, b/w , in which word is active low, and b /w, in which byte is active low. power connections use the conven tional descriptions listed in table 1 . table 1. power connections connection circuit device power v cc v dd ground gnd v ss note:
crimzon ? zlp32300 product specification ps020823-0208 architectural overview 2 development features table 2 lists the features of crimzon zlp32300 family. the additional features include: ? low power consumption?11 mw (typical) ? three standby modes: ? stop?1.7 a (typical) ? halt?0.6 ma (typical) ? low-voltage reset ? special architecture to automate both ge neration and reception of complex pulses or signals: ? one programmable 8-bit counter/timer wi th two capture registers and two load registers ? one programmable 16-bit counter/timer with one 16-bit capture register pair and one 16-bit load register pair ? programmable input glitch filter for pulse reception ? six priority interrupts ? three external ? two assigned to counter/timers ? one low-voltage detection interrupt ? low-voltage detection and hi gh voltage detection flags ? programmable watchdog timer/po wer-on reset (wdt/por) circuits ? two independent comparators with programmable interrupt polarity ? programmable eprom options ? port 0: 0?3 pull-up transistors ? port 0: 4?7 pull-up transistors ? port 1: 0?3 pull-up transistors ? port 1: 4?7 pull-up transistors table 2. crimzon zlp32300 mcu features device otp(kb) ram* (bytes) i/o lines voltage range crimzon zlp32300 8, 16, 32 237 32, 24 or 16 2.0?3.6 v *general purpose
crimzon ? zlp32300 product specification ps020823-0208 architectural overview 3 ? port 2: 0?7 pull-up transistors ? eprom protection ? wdt enabled at por functional block diagram figure 1 displays the crimzon zlp32300 mcu functional block diagram. figure 1. crimzon zlp32300 mcu functional block diagram z8? core port 2 port 0 p21 p22 p23 p24 p25 p26 p27 p20 i/o bit programmable p04 p05 p06 p07 p00 p01 p02 p03 i/o nibble programmable register file 256 x 8-bit register bus internal address bus internal data bus expanded register file expanded register bus z8 ? core counter/timer 8 8-bit counter/timer 16 16-bit v dd v ss xtal reset pref1/p30 p31 p32 p33 p34 p35 p36 p37 port 3 machine timing and instruction control power 4 4 otp up to 32 k x 8 port 1 p14 p15 p16 p17 p10 p11 p12 p13 i/o byte programmable 8 watchdog timer low-voltage detection high-voltage detection power-on reset note: refer to the specific package for available pins.
crimzon ? zlp32300 product specification ps020823-0208 architectural overview 4 figure 2. counter/timers diagram hi16 lo16 16-bit t16 tc16h tc16l hi8 lo8 and/or logic clock divider glitch filter edge detect circuit 8-bit t8 tc8h tc8l 8 8 16 8 input sclk 1 2 48 timer 16 timer 8/16 timer 8 8 8 8 8 8
crimzon ? zlp32300 product specification ps020823-0208 pin description 5 pin description the pin configuration for the 20-pin pdip/soic/ssop is displayed in figure 3 and described in table 3 . the pin configuration for the 28-p in pdip/soic/ssop are depicted in figure 4 and described in table 4 . the pin configurations for the 40-pin pdip and 48- pin ssop versions are displayed in figure 5 , figure 6 , and described in table 5 . figure 3. 20-pin pdip/soic/ssop pin configuration table 3. 20-pin pdip/soic/ssop pin identification pin no symbol function direction 1?3 p25?p27 port 2, bits 5,6,7 input/output 4 p07 port 0, bit 7 input/output 5v dd power supply 6 xtal2 crystal oscillator clock output 7 xtal1 crystal oscillator clock input 8?10 p31?p33 port 3, bits 1,2,3 input 11,12 p34, p36 port 3, bits 4,6 output 13 p00/pref1/p30 port 0, bit 0/analog reference input port 3 bit 0 input/output for p00 input for pref1/p30 14 p01 port 0, bit 1 input/output 15 v ss ground 16?20 p20?p24 port 2, bits 0,1,2,3,4 input/output p25 p26 p27 p07 v dd xtal2 xtal1 p31 p32 p33 p24 p23 p22 p21 p20 v ss p01 p00/pref1/p30 p36 p34 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 20-pin pdip soic ssop
crimzon ? zlp32300 product specification ps020823-0208 pin description 6 figure 4. 28-pin pdip/soic/ssop pin configuration table 4. 28-pin pdip/soic/ssop pin identification pin no symbol direction description 1-3 p25-p27 input/output po rt 2, bits 5, 6, 7 4-7 p04-p07 input/output port 0, bits 4, 5, 6, 7 8v dd power supply 9 xtal2 output crystal, oscillator clock 10 xtal1 input crystal, oscillator clock 11-13 p31-p33 input port 3, bits 1, 2, 3 14 p34 output port 3, bit 4 15 p35 output port 3, bit 5 16 p37 output port 3, bit 7 17 p36 output port 3, bit 6 18 pref1/p30 port 3 bit 0 input analog ref input; connect to v cc if not used input for pref1/p30 19-21 p00-p02 input/output po rt 0, bits 0, 1, 2 22 v ss ground 23 p03 input/output port 0, bit 3 24-28 p20-p24 input/outp ut port 2, bits 0?4 p24 p23 p22 p21 p20 p03 v ss p02 p01 p00 pref1/p30 p36 p37 p35 p25 p26 p27 p04 p05 p06 p07 v dd xtal2 xtal1 p31 p32 p33 p34 1 28-pin pdip soic ssop 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15
crimzon ? zlp32300 product specification ps020823-0208 pin description 7 figure 5. 40-pin pdip pin configuration nc p25 p26 p27 p04 p05 p06 p14 p15 p07 vdd p16 p17 xtal2 xtal1 p31 p32 p33 p34 nc nc p24 p23 p22 p21 p20 p03 p13 p12 vss p02 p11 p10 p01 p00 pref1/p30 p36 p37 p35 reset 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 40-pin pdip
crimzon ? zlp32300 product specification ps020823-0208 pin description 8 figure 6. 48-pin ssop pin configuration table 5. 40- and 48-pin configuration 40-pin pdip no 48-pin ssop no symbol 26 31 p00 27 32 p01 30 35 p02 34 41 p03 55 p04 67 p05 78 p06 10 11 p07 28 33 p10 29 34 p11 nc p25 p26 p27 p04 n/c p05 p06 p14 p15 p07 vdd vdd n/c p16 p17 xtal2 xtal1 p31 p32 p33 p34 nc vss nc nc p24 p23 p22 p21 p20 p03 p13 p12 vss vss n/c p02 p11 p10 p01 p00 n/c pref1/p30 p36 p37 p35 reset 48-pin ssop 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
crimzon ? zlp32300 product specification ps020823-0208 pin description 9 32 39 p12 33 40 p13 89 p14 910 p15 12 15 p16 13 16 p17 35 42 p20 36 43 p21 37 44 p22 38 45 p23 39 46 p24 22 p25 33 p26 44 p27 16 19 p31 17 20 p32 18 21 p33 19 22 p34 22 26 p35 24 28 p36 23 27 p37 20 23 nc 40 47 nc 11 nc 21 25 reset 15 18 xtal1 14 17 xtal2 11 12, 13 v dd 31 24, 37, 38 v ss 25 29 pref1/p30 48 nc 6nc table 5. 40- and 48-pin configuration (continued) 40-pin pdip no 48-pin ssop no symbol
crimzon ? zlp32300 product specification ps020823-0208 pin description 10 pin functions xtal1 crystal 1 (time-based input) this pin connects a parallel-resonant crystal or ceramic resonator to the on-chip oscillator input. additionally, an optional external single-phase cl ock can be coded to the on-chip oscillator input. xtal2 crystal 2 (time-based output) this pin connects a parallel-resonant crystal or ceramic resonant to the on-chip oscillator output. input/output ports the cmos input buffer for each port 0, 1, or 2 pin is always connected to the pin, even when the pin is configured as an output. if the pin is configured as an open-drain output and no external signal is applied, a high output state can cause the cmos input buffer to float. this might lead to excessive leakage current of more than 100 a. to prevent this leakage, connect the pin to an external signal with a defined logic level or ensure its output state is low, especially during stop mode. internal pull-ups are disabled on any given pin or group of port pins when programmed into output mode. port 0, 1, and 2 have both input and output capability. the input logic is always present no matter whether the port is configured as input or output. when doing a read in- struction, the mcu reads the actual value at the input logic but not from the output buff- er. in addition, the instructions of or, and, and xor have the read-modify-write sequence. the mcu first reads the port, an d then modifies the value and load back to the port. precaution must be taken if the port is config ured as open-drain output or if the port is driving any circuit that makes the voltage d ifferent from the desired output logic. for example, pins p00?p07 are not connected to anything else. if it is configured as 14 nc 30 nc 36 nc table 5. 40- and 48-pin configuration (continued) 40-pin pdip no 48-pin ssop no symbol caution:
crimzon ? zlp32300 product specification ps020823-0208 pin description 11 open-drain output with output logic as one, it is a floating port and reads back as zero. the following instru ction sets p00-p07 all low. and p0,#%f0 port 0 (p00?p07) port 0 is an 8-bit, bidirectional, cmos-com patible port. these eight i/o lines are config- ured under software control as a nibble i/o po rt. the output drivers are push-pull or open- drain controlled by bit d2 in the pcon register. if one or both nibbles are needed for i/o operation, they must be configured by writing to the port 01 mode register (p01m). after a hard ware reset or stop mode recovery, port 0 is configured as an input port. an optional pull-up transistor is available as a otp option bit on all port 0 bits with nibble select. the port 0 direction is reset to be input following an smr. note:
crimzon ? zlp32300 product specification ps020823-0208 pin description 12 figure 7. port 0 configuration port 1 (p17?p10) port 1 can be configured for standard port input or output mode (see figure 8 ). after por or stop mode recovery, port 1 is configured as an input port. the output drivers are either push-pull or open-drain and are contro lled by bit d1 in the pcon register. 1. the port 1 direction is reset to be input following an smr. 2. in 20- and 28-pin packages, port 1 is reserved. a write to this register will have no effect and will always read ff. otp programming option 4 4 zlp32300 otp port 0 (i/o) pad in out i/o open-drain resistive transistor pull-up v cc notes:
crimzon ? zlp32300 product specification ps020823-0208 pin description 13 figure 8. port 1 configuration port 2 (p27?p20) port 2 is an 8-bit, bidirectiona l, cmos-compatible i/o port (see figure 9 ). these eight i/o lines can be independently configured under so ftware control as inputs or outputs. port 2 is always available for i/o operation. a epr om option bit is available to connect eight pull-up transistors on this port. bits progra mmed as outputs are globally programmed as either push-pull or open-drain. the por resets with the eight bits of port 2 configured as inputs. port 2 also has an 8-bit input or and and ga te, which can be used to wake up the part. p20 can be programmed to access the ed ge-detection circuitry in demodulation mode. otp programming option 8 zlp32300 otp port 1 (i/o) pad in out oen open-drain resistive transistor pull-up v cc
crimzon ? zlp32300 product specification ps020823-0208 pin description 14 figure 9. port 2 configuration port 3 (p37?p30) port 3 is a 8-bit, cmos-compatible fixed i/o port (see figure 10 ). port 3 consists of four fixed input (p33?p30) and four fixed output (p37?p34), which can be configured under software control for interrupt and as output from the counter/timers. p30, p31, p32, and p33 are standard cmos inputs; p34, p35, p36, and p37 are push-pull outputs. otp programming option zlp32300 otp port 2 (i/o) pad in out i/o open-drain resistive transistor pull-up v cc
crimzon ? zlp32300 product specification ps020823-0208 pin description 15 figure 10. port 3 configuration two on-board comparators process analog signal s on p31 and p32, with reference to the voltage on pref1 and p33. the analog function is enabled by programming the port 3 mode register (bit 1). p31 and p32 are programm able as rising, falling, or both edge trig- gered interrupts (irq register bits 6 and 7). pref1 and p33 are the comparator reference voltage inputs. access to the counter timer edge-detection circuit is through p31 or p20 - zlp32300 otp port 3 (i/o) p32 (an2) p31 (an1) pref1 from stop mode recovery source of smr p33 (ref2) irq2, p31 data latch pref1/p30 p31 p32 p33 p34 p35 p36 p37 d1 1 = analog 0 = digital r247 = p3m + - + irq0, p32 data latch irq1, p33 data latch comp 1 comp2 dig. an.
crimzon ? zlp32300 product specification ps020823-0208 pin description 16 (see t8 and t16 common functions?ctr1(0d)01h on page 28). other edge detect and irq modes are described in table 6 . comparators are powered down by entering stop mode. for p31?p33 to be used in a stop mode recovery source, these inputs must be placed into digital mode. 2 port 3 also provides output for each of the counter/timers and the and/or logic (see figure 11 ). control is performed by programmin g bits d5?d4 of ctr1, bit 0 of ctr0, and bit 0 of ctr2. table 6. port 3 pin function summary pin i/o counter/timers comparator interrupt pref1/p30 in rf1 p31 in in an1 irq2 p32 in an2 irq0 p33 in rf2 irq1 p34 out t8 ao1 p35 out t16 p36 out t8/16 p37 out ao2 p20 i/o in note:
crimzon ? zlp32300 product specification ps020823-0208 pin description 17 figure 11. port 3 counter/timer output configuration pad p34 comp1 v dd mux pcon, d0 mu x ctr0, d0 p31 p30 (pref1) p34 data t8_out + pad p35 v dd mux ctr2, d0 out 35 t16_out pad p36 v dd mux ctr1, d6 out 36 t8/t16_out pad p37 v dd mux pcon, d0 p37 data - p31 p3m d1 comp2 p32 p33 + - p32 p3m d1
crimzon ? zlp32300 product specification ps020823-0208 pin description 18 comparator inputs in analog mode, p31 and p32 have a comparator front end. the comparator reference is supplied to p33 and pref1. in this mode, the p33 internal data latch and its correspond- ing irq1 are diverted to the smr sources (excluding p31, p32, and p33) as displayed in figure 10 on page 15. in digital mode, p33 is us ed as d3 of the port 3 input register, which then generates irq1. comparators are powered down by entering stop mode. for p31?p33 to be used in a stop mode recovery source, these inputs must be placed into digital mode. comparator outputs these channels can be programmed to be output on p34 and p37 through the pcon regis- ter. reset (input, active low) reset initializes the mcu and is accomplis hed either through power-on, watchdog timer, stop mode recovery, low-voltage dete ction, or external re set. during power-on reset and watchdog timer reset, the internally generated reset drives the reset pin low for the por time. any devices driving the extern al reset line must be open-drain to avoid damage from a possible conflict during reset conditions. pull-up is provided internally. when the zlp32300 asserts (low) the reset pin, the internal pu ll-up is disabled. the zlp32300 does not assert the reset pin when under vbo. the external reset does not in itiate an exit from stop mode. note: note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 19 functional description this device incorporates special functions to enhance the z8 functio nality in consumer and battery-operated applications. program memory this device addresses 32 kb of otp memory. the first 12 bytes are reserved for interrupt vectors. these locations contai n the six 16-bit vectors that correspond to the six available interrupts. see figure 12 . ram this device features 256 b of ram.
crimzon ? zlp32300 product specification ps020823-0208 functional description 20 figure 12. program memory map (32 k otp) expanded register file the register file has been expa nded to allow for additional sy stem control registers and for mapping of additional peripher al devices into the register address area. the z8 register address space (r0 through r15) has been implemented as 16 ba nks, with 16 registers per bank. these register groups are known as the erf (expanded register file). bits 7?4 of on-chip rom reset start address irq5 irq5 irq4 irq4 irq3 irq3 irq2 irq2 irq1 irq1 irq0 irq0 12 11 10 9 8 7 6 5 4 3 2 1 0 32768 location of first byte of instruction executed after reset interrupt vector (lower byte) interrupt vector (upper byte) not accessible
crimzon ? zlp32300 product specification ps020823-0208 functional description 21 register rp select the working register group. bits 3?0 of register rp select the expanded register file bank. an expanded register bank is also referred to as an expanded register group (see figure 13 ). note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 22 figure 13. expanded register file architecture uuuuuuu0 00000000 00000000 00000000 00 0f 7f f0 ff ff spl 00000000 uuuuuuuu 00000000 uuuuuuuu uuuuuuuu uuuuuuuu 11111111 00000000 11001111 uuuuuuuu uuuuuuuu uuuuuuuu uuuuuuuu uuuuuuuu fe sph fd rp fc flags fb imr fa irq f9 ipr f8 p01m f7 p3m f6 p2m f5 reserved f4 reserved f3 reserved f2 reserved f1 reserved f0 reserved d7 d6 d5 d4 d3 d2 d1 d0 uu001101 u01000u0 11111110 (f) 0f wdtmr (f) 0e reserved (f) 0d smr2 (f) 0c reserved (f) 0b smr (f) 0a reserved (f) 09 reserved (f) 08 reserved (f) 07 reserved (f) 06 reserved (f) 05 reserved (f) 04 reserved (f) 03 reserved (f) 02 reserved (f) 01 reserved (f) 00 pcon 76543210 expanded register bank pointer working register uuuuuuuu uuuuuuuu 00000000 (d) 0c lvd (d) 0b hi8 (d) 0a lo8 (d) 09 hi16 (d) 08 lo16 (d) 07 tc16h (d) 06 tc16l (d) 05 tc8h (d) 04 tc8l (d) 03 ctr3 (d) 02 ctr2 (d) 01 ctr1 (d) 00 ctr0 group pointer register file (bank 0)** 00011111 * * 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 u = unknown * not reset with a stop mode recovery. p1 reserved in 20 or 28-pin package. ** all addresses are in hexadecimal is not reset with a stop mode recovery, except bit 0 bit 5 is not reset with a stop mode recovery bits 5,4,3,2 not reset with a stop mode recovery bits 5 and 4 not reset with a stop mode recovery bits 5,4,3,2,1 not reset with a stop mode recovery expanded reg. bank 0/group (0) * (0) 03 p3 (0) 02 p2 (0) 01 p1 (0) 00 p0 0 u u u u * * * * * * * * * * * expanded reg. bank f/group 0** expanded reg. bank 0/group 15** register pointer z8 standard control registers expanded reg. bank d/group 0 reset condition
crimzon ? zlp32300 product specification ps020823-0208 functional description 23 the upper nibble of the register pointer (see figure 14 ) selects which working register group, of 16 bytes in the register file, is accessed out of the possible 256. the lower nibble selects the expanded register file bank and, in the case of the crimzon zlp32300 family, banks 0, f, and d are implemented. a 0h in the lower nibble allo ws the normal register file (bank 0) to be addressed. any other value from 1h to fh exchanges the lower 16 registers to an expanded register bank. figure 14. register pointer example : crimzon zlp32300 (see figure 13 on page 22) r253 rp = 00h r0 = port 0 r1 = port 1 r2 = port 2 r3 = port 3 but if: r253 rp = 0dh r0 = ctr0 r1 = ctr1 r2 = ctr2 r3 = ctr3 the counter/timers are mapped into erf grou p d. access is easily performed using the following: ld rp, #0dh ; select erf d for access to bank d ; (working register group 0) ld r0,#xx ; load ctr0 ld 1, #xx ; load ctr1 r253 rp d7 d6 d5 d4 d3 d2 d1 d0 expanded register file pointer working register pointer default setting after reset = 0000 0000
crimzon ? zlp32300 product specification ps020823-0208 functional description 24 ld r1, 2 ; ctr2 ctr1 ld rp, #0dh ; select erf d for access to bank d ; (working register group 0) ld rp, #7dh ; select expanded register bank d and working ; register group 7 of bank 0 for access. ld 71h, 2 ; ctrl2 register 71h ld r1, 2 ; ctrl2 register 71h register file the register file (bank 0) consists of 4 i/o por t registers, 237 general-purpose registers, 16 control and status registers (r0?r3, r4?r239, and r240?r255, respectively), and two expanded registers groups in banks d (see table 7 on page 27) and f. instructions can access registers directly or indirectly throug h an 8-bit address field, thereby allowing a short, 4-bit register address to use the register pointer (see figure 15 ). in the 4-bit mode, the register file is divided into 16 working register groups, each occupying 16 continuous locations. the register pointer addresses the starting location of th e active working regis- ter group. working register group e0?ef can only be accessed through working registers and indi- rect addressing modes. note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 25 figure 15. register pointer?detail stack the internal register file is used for the st ack. an 8-bit stack pointer spl (r255) is used for the internal stack that resides in the ge neral-purpose registers (r4?r239). sph (r254) can be used as a general-purpose register. timers t8_capture_hi?hi8(d)0bh this register holds the captured data from th e output of the 8-bit counter/timer0. typi- cally, this register holds the number of counts when the input signal is 1. field bit position description t8_capture_hi [7:0] r/w captured data?no effect r 7 r 6 r 5 r 4 r 3 r 2 r 1 r the upper nibble of the register file address provided by the register pointer specifies the active working-register group. specified working register group register group 1 register group 0 i/o ports r253 the lower nibble of the register file address provided by the instruction points to the specified register. * rp = 00: selects register bank 0, working register group 0 r15 to r0 r15 to r4 * r3 to r0 * ff f0 ef e0 df d0 40 3f 30 2f 20 1f 10 0f 00 register group 2
crimzon ? zlp32300 product specification ps020823-0208 functional description 26 t8_capture_lo?l08(d)0ah this register holds the captured data fro m the output of the 8-bit counter/timer0. typically, this register holds the number of counts when the input signal is 0. t16_capture_hi?hi16(d)09h this register holds the captured data from th e output of the 16-bit counter/timer16. this register holds the ms-byte of the data. t16_capture_lo?l016(d)08h this register holds the captured data from th e output of the 16-bit counter/timer16. this register holds the ls-byte of the data. counter/timer2 ms-byte hold register?tc16h(d)07h counter/timer2 ls-byte hold register?tc16l(d)06h field bit position description t8_capture_l0 [7:0] r/w captured data?no effect field bit position description t16_capture_hi [7:0] r/w captured data?no effect field bit position description t16_capture_lo [7:0] r/w captured data?no effect field bit position description t16_data_hi [7:0] r/w data field bit position description t16_data_lo [7:0] r/w data
crimzon ? zlp32300 product specification ps020823-0208 functional description 27 counter/timer8 high hold register?tc8h(d)05h counter/timer8 low hold register?tc8l(d)04h ctr0 counter/timer8 control register?ctr0(d)00h table 7 lists and briefly describes the fields for this register. field bit position description t8_level_hi [7:0] r/w data field bit position description t8_level_lo [7:0] r/w data table 7. ctr0(d)00h counter/timer8 control register field bit position value description t8_enable 7------- r/w 0* 1 0 1 counter disabled counter enabled stop counter enable counter single/modulo-n -6------- r/w 0* 1 modulo-n single pass time_out --5------ r/w 0** 1 0 1 no counter time-out counter time-out occurred no effect reset flag to 0 t8 _clock ---43--- r/w 0 0** 0 1 1 0 1 1 sclk sclk/2 sclk/4 sclk/8 capture_int_mask -----2-- r/w 0** 1 disable data capture interrupt enable data c apture interrupt counter_int_mask ------1- r/w 0** 1 disable time-out interrupt enable time-out interrupt p34_out -------0 r/w 0* 1 p34 as port output t8 output on p34 *indicates the value upon power-on reset. **indicates the value upon power-on reset. not reset with a stop mode recovery.
crimzon ? zlp32300 product specification ps020823-0208 functional description 28 t8 enable this field enables t8 when set (written) to 1. single/modulo-n when set to 0 (modulo-n), the counter reloads the in itial value when the terminal count is reached. when set to 1 (single-pass), the coun ter stops when the terminal count is reached. timeout this bit is set when t8 times ou t (terminal count reached). to r eset this bit, write a 1 to its location. writing a 1 is the only way to reset the term inal count status condition. reset this bit before using/enabling the coun ter/timers. the first clock of t8 might not have complete clock width and can occur any time when enabled. ensure to manipulate ctr0, bit 5 and ctr1, bits 0 and 1 (demodulation mode) when using the or or and commands. these instructions use a read-modify-write sequence in which the current status from the ctr0 and ctr1 registers is ored or anded with the designated value an d then written back into the registers. t8 clock these bits define the frequency of the input signal to t8. capture_int_mask set this bit to allow an interrupt when data is captured into either lo8 or hi8 upon a posi- tive or negative edge detection in demodulation mode. counter_int_mask set this bit to allow an interrupt when t8 has a timeout. p34_out this bit defines whether p34 is used as a normal output pin or the t8 output. t8 and t16 common functions?ctr1(0d)01h this register controls the functions in common with the t8 and t16. table 8 lists and briefly describes the fields for this register. caution: note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 29 table 8. ctr1(0d)01h t8 and t16 common functions field bit position value description mode 7------- r/w 0* 1 transmit mode demodulation mode p36_out/ demodulator_input -6------ r/w 0* 1 0* 1 transmit mode port output t8/t16 output demodulation mode p31 p20 t8/t16_logic/ edge _detect --54---- r/w 00** 01 10 11 00** 01 10 11 transmit mode and or nor nand demodulation mode falling edge rising edge both edges reserved transmit_submode/ glitch_filter ----32-- r/w 00* 01 10 11 00* 01 10 11 transmit mode normal operation ping-pong mode t16_out = 0 t16_out = 1 demodulation mode no filter 4 sclk cycle 8 sclk cycle reserved initial_t8_out/ rising edge ------1- r/w r w 0* 1 0* 1 0 1 transmit mode t8_out is 0 initially t8_out is 1 initially demodulation mode no rising edge rising edge detected no effect reset flag to 0
crimzon ? zlp32300 product specification ps020823-0208 functional description 30 mode if the result is 0, the counter/timers are in transmit mode; otherwise, they are in demodulation mode. p36_out/demodulator_input in transmit mode, this bit defines whether p36 is used as a normal output pin or the combined output of t8 and t16. in demodulation mode, this bit defines wh ether the input signal to the counter/tim- ers is from p20 or p31. if the input signal is from port 31, a capture ev ent may also generate an irq2 interrupt. to prevent generating an irq2, e ither disable the irq2 interru pt by clearing its imr bit d2 or use p20 as the input. t8/t16_logic/edge _detect in transmit mode, this field defines how the outputs of t8 and t16 are combined (and, or, nor, nand). in demodulation mode, this field defines wh ich edge should be detected by the edge detector. transmit_submode/glitch filter in transmit mode, this field defines whethe r t8 and t16 are in the ping-pong mode or in independent normal operation mode. setti ng this field to normal operation mode ter- minates the ?ping-pong mode? operation. when set to 10, t16 is immediately forced to a 0; a setting of 11 forces t16 to output a 1. in demodulation mode, this field defines the width of the glitch th at must be filtered out. initial_t16_out/ falling_edge -------0 r/w r w 0* 1 0* 1 0 1 transmit mode t16_out is 0 initially t16_out is 1 initially demodulation mode no falling edge falling edge detected no effect reset flag to 0 *default at power-on reset **default at power-on reset. not reset with a stop mode recovery. table 8. ctr1(0d)01h t8 and t16 common functions (continued) field bit position value description
crimzon ? zlp32300 product specification ps020823-0208 functional description 31 initial_t8_out/rising_edge in transmit mode, if 0, the output of t8 is set to 0 when it starts to count. if 1, the out- put of t8 is set to 1 when it st arts to count. when the counter is not enab led and this bit is set to 1 or 0, t8_out is set to the opposite state of this bit. this ensures that when the clock is enabled, a transition occurs to the initial state set by ctr1, d1. in demodulation mode, this bit is set to 1 wh en a rising edge is detected in the input signal. in order to reset the mode, a 1 should be written to this location. initial_t16 out/falling _edge in transmit mode, if it is 0, the output of t1 6 is set to 0 when it starts to count. if it is 1, the output of t16 is set to 1 when it starts to count. this bit is effective only in normal or ping-pong mode (ctr1, d3; d2). when the counter is not enabled and this bit is set, t16_out is set to the opposite state of this bit. this ensures that when the clock is enabled, a transition occurs to the initial state set by ctr1, d0. in demodulation mode, this bit is set to 1 when a falling edge is detected in the input signal. in order to reset it, a 1 should be written to this location. modifying ctr1 (d1 or d0) while the count ers are enabled causes unpredictable output from t8/16_out. ctr2 counter/timer 16 control register?ctr2(d)02h table 9 lists and briefly describes the fields for this register. table 9. ctr2(d)02h: counter/timer16 control register field bit position value description t16_enable 7------- r w 0* 1 0 1 counter disabled counter enabled stop counter enable counter single/modulo-n -6------ r/w 0* 1 0 1 transmit mode modulo-n single pass demodulation mode t16 recognizes edge t16 does not recognize edge time_out --5----- r w 0* 1 0 1 no counter timeout counter timeout occurred no effect reset flag to 0 note :
crimzon ? zlp32300 product specification ps020823-0208 functional description 32 t16_enable this field enables t16 when set to 1. single/modulo-n in transmit mode, when set to 0, the counter reloads th e initial value when it reaches the terminal count. when set to 1, the counter stops wh en the terminal count is reached. in demodulation mode, when set to 0, t16 captures and reloads on detection of all the edges. when set to 1, t16 captures and de tects on the first edge but ignores the subse- quent edges. for details, see t16 demodulation mode on page 41. time_out this bit is set when t16 times out (terminal count reached). to reset the bit, write a 1 to this location. t16_clock this bit defines the frequency of th e input signal to counter/timer16. capture_int_mask this bit is set to allow an interrupt when data is cap tured into lo16 and hi16. counter_int_mask set this bit to allow an interrupt when t16 times out. t16 _clock ---43--- r/w 00** 01 10 11 sclk sclk/2 sclk/4 sclk/8 capture_int_mask -----2-- r/w 0** 1 disable data capture int. enable data capture int. counter_int_mask ------1- r/w 0 1 disable timeout int. enable timeout int. p35_out -------0 r/w 0* 1 p35 as port output t16 output on p35 *indicates the value upon power-on reset. **indicates the value upon power-on reset. not reset with a stop mode recovery. table 9. ctr2(d)02h: counter/timer16 control register (continued) field bit position value description
crimzon ? zlp32300 product specification ps020823-0208 functional description 33 p35_out this bit defines whether p35 is used as a normal output pin or t16 output. ctr3 t8/t16 control register?ctr3(d)03h table 10 lists and briefly describes the fields for th is register. this register allows the t 8 and t 16 counters to be synchronized. counter/timer functional blocks input circuit the edge detector monitors the input signal on p31 or p20. based on ctr1 d5?d4, a pulse is generated at the pos edge or neg edge line when an edge is detected. glitches in the input signal that have a width less than specified (ctr1 d3, d2) are filtered out (see figure 16 ). table 10.ctr3 (d)03h: t8/t16 control register field bit position value description t 16 enable 7------- r r w w 0* 1 0 1 counter disabled counter enabled stop counter enable counter t 8 enable -6------ r r w w 0* 1 0 1 counter disabled counter enabled stop counter enable counter sync mode --5----- r/w 0** 1 disable sync mode enable sync mode reserved ---43210 r w 1 x always reads 11111 no effect *indicates the value upon power-on reset. **indicates the value upon power-on reset. not reset with a stop mode recovery.
crimzon ? zlp32300 product specification ps020823-0208 functional description 34 figure 16. glitch filter circuitry t8 transmit mode before t8 is enabled, the output of t8 depend s on ctr1, d1. if it is 0, t8_out is 1; if it is 1, t8_out is 0. see figure 17 . mux glitch filter edge detector p31 p20 pos edge neg edge ctr1 d5,d4 ctr1 d6 ctr1 d3, d2
crimzon ? zlp32300 product specification ps020823-0208 functional description 35 figure 17. transmit mode flowchart set timeout status bit (ctr0 d5) and generate timeout_int if enabled set timeout status bit (ctr0 d5) and generate timeout_int if enabled t8 (8-bit) transmit mode no t8_enable bit set ctr0, d7 yes ctr1, d1 value reset t8_enable bit 0 1 load tc8l reset t8_out load tc8h set t8_out enable t8 no t8_timeout yes single pass single modulo-n t8_out value 0 enable t8 no t8_timeout ye s pass? load tc8h set t8_out load tc8l reset t8_out 1
crimzon ? zlp32300 product specification ps020823-0208 functional description 36 when t8 is enabled, the outp ut t8_out switches to the initial value (ctr1, d1). if the initial value (ctr1, d1) is 0, tc8l is loaded; otherwise, tc8h is loaded into the counter. in single-pass mode (ctr0, d6), t8 counts down to 0 and stops, t8_out toggles, the time-out status bit (ctr0, d5) is set, and a time-out interrupt can be generated if it is enabled (ctr0, d1). in modulo-n mode, upon reaching terminal count, t8_out is toggled, but no interrupt is generated. from that point, t8 loads a new count (if the t8_out level now is 0), tc8l is loaded; if it is 1, tc8h is loaded. t8 counts down to 0, toggles t8_out, and sets the tim e-out status bit (ctr0, d5), thereby generating an inter- rupt if enabled (ctr0, d1). one cycle is th us completed. t8 then loads from tc8h or tc8l according to the t8_out level and repeats the cycle, see figure 18 . figure 18. 8-bit counter/timer circuits you can modify the values in tc8h or tc8l at any time. the new values take effect when they are loaded. to ensure known operation do not write these registers at the time the values are to be loaded into the counte r/timer. an initial count of 1 is not allowed (a non-function oc- curs) . an initial count of 0 causes tc8 to count from 0 to ffh to feh . the letter h denotes hexadecimal values. transition from 0 to ffh is not a timeout condition. ctr0 d1 negative edge positive edge z8 data bus irq4 ctr0 d2 sclk z8 data bus ctr0 d4, d3 clock t8_out lo8 tc8h tc8l clock select 8-bit counter t8 hi8 caution: note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 37 using the same instructions fo r stopping the counter/timers and setting the status bits is not recommended. two successive commands are necessary. first, the counte r/timers must be stopped. sec- ond, the status bits must be reset. these commands are required because it takes one counter/timer clock interval for the in itiated event to actually occur, see figure 19 and figure 20 . figure 19. t8_out in single-pass mode figure 20. t8_out in modulo-n mode t8 demodulation mode you must program tc8l and tc8h to ffh . after t8 is enabled, when the first edge (ris- ing, falling, or both depending on ctr1, d5; d4) is detected, it starts to count down. when a subsequent edge (rising , falling, or both depending on ctr1, d5; d4) is detected during counting, the current value of t8 is complemented and put in to one of the capture registers. if it is a positive edge, data is put in to lo8; if it is a negative edge, data is put into hi8. from that point, one of the edge dete ct status bits (ctr1, d1; d0) is set, and an interrupt can be generated if enabled (ctr 0, d2). meanwhile, t8 is loaded with ffh and starts counting again. if t8 reaches 0, the tim e-out status bit (ctr0, d5) is set, and an caution: tc8h counts counter enable command; t8_out switches to its initial value (ctr1 d1) t8_out toggles; timeout interrupt counter enable command; t8_out switches to its initial value (ctr1 d1) timeout interrupt timeout interrupt t8_out t8_out toggles tc8l tc8h tc8h tc8l tc8l ...
crimzon ? zlp32300 product specification ps020823-0208 functional description 38 interrupt can be generated if enabled (ctr 0, d1). t8 then continues counting from ffh (see figure 21 and figure 22 ). figure 21. demodulation mode count capture flowchart t8 (8-bit) count capture t8 enable (set by user) no yes edge present what kind of edge t8 hi8 no yes negative ffh t8 positive t8 lo8
crimzon ? zlp32300 product specification ps020823-0208 functional description 39 figure 22. demodulation mode flowchart t8 (8-bit) demodulation mode t8 enable ctr0, d7 no yes ffh tc8 first edge present enable tc8 t8_enable bit set edge present t8 timeout set edge present status bit and trigger data capture int. if enabled set timeout status bit and trigger timeout int. if enabled continue counting disable tc8 no yes no yes yes yes no no
crimzon ? zlp32300 product specification ps020823-0208 functional description 40 t16 transmit mode in normal or ping-pong mode, the output of t16 when not enabled, is dependent on ctr1, d0. if it is a 0, t16_out is a 1; if it is a 1, t16_out is 0. you can force the output of t16 to either a 0 or 1 whether it is enable d or not by programming ctr1 d3; d2 to a 10 or 11. when t16 is enabled, tc16h * 256 + tc16l is loaded, and t16_out is switched to its initial value (ctr1, d0). when t16 counts down to 0, t16_out is toggled (in nor- mal or ping-pong mode), an interrupt (ctr2, d1) is generated (if enabled), and a sta- tus bit (ctr2, d5) is set, see figure 23 . figure 23. 16-bit counter/timer circuits global interrupts override this function as described in interrupts on page 43 . if t16 is in single-pass mode, it is stopped at this point (see figure 24 ). if it is in modulo-n mode, it is loaded with tc16h * 256 + tc16l, and the counting continues (see figure 25 ). you can modify the values in tc16h and tc16 l at any time. the new values take effect when they are loaded. ctr2 d1 negative edge positive edge z8 data bus irq3 ctr2 d2 sclk z8 data bus ctr2 d4, d3 clock t16_out lo16 tc16h tc16l clock select 16-bit counter t16 hi16 note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 41 do not load these registers at the time the values are to be loaded into th e counter/timer to ensure known operation. an initial count of 1 is not allowed. an initial count of 0 causes t16 to count from 0 to ffffh to fffeh . transition from 0 to ffffh is not a tim- eout condition. figure 24. t16_out in single-pass mode figure 25. t16_out in modulo-n mode t16 demodulation mode you must program tc16l and tc16h to ffh . after t16 is enabled, and the first edge (rising, falling, or both depending on ctr1 d5 ; d4) is detected, t16 captures hi16 and lo16, reloads, and begins counting. if d6 of ctr2 is 0 when a subsequent edge (rising , falling, or both depending on ctr1, d5; d4) is detected during counting, the current count in t16 is complemented and put into hi16 and lo16. when data is captured, one of the edge detect status bits (ctr1, d1; d0) is set, and an interrupt is generated if enabled (ctr2, d2). t16 is loaded with ffffh and starts again. caution: tc16h*256+tc16l counts ?counter enable? command t16_out switches to its initial value (ctr1 d0) t16_out toggles, timeout interrupt tc16h*256+tc16l tc16h*256+tc16l tc16h*256+tc16l t16_out toggles, timeout interrupt t16_out toggles, timeout interrupt ?counter enable? command, t16_out switches to its initial value (ctr1 d0) tc16_out ...
crimzon ? zlp32300 product specification ps020823-0208 functional description 42 this t16 mode is generally used to measure space time, the length of time between bursts of carrier signal (marks). if d6 of ctr2 is 1 t16 ignores the subsequent edges in the inpu t signal and continues counting down. a tim- eout of t8 causes t16 to capture its current value and generate an interrupt if enabled (ctr2, d2). in this case, t16 does not relo ad and continues counting. if the d6 bit of ctr2 is toggled (by writing a 0 then a 1 to it) , t16 captures and reload s on the next edge (rising, falling, or both depending on ctr1, d5 ; d4), continuing to ignore subsequent edges. this t16 mode generally measur es mark time, the length of an active carrier signal burst. if t16 reaches 0, t16 continues counting from ffffh . meanwhile, a status bit (ctr2 d5) is set, and an interrupt timeout can be generated if enabled (ctr2 d1). ping-pong mode this operation mode is only valid in trans mit mode. t8 and t16 must be programmed in single-pass mode (ctr0, d6; ctr2, d6), and ping-pong mode must be pro- grammed in ctr1, d3; d2. you can begin the operation by enabling either t8 or t16 (ctr0, d7 or ctr2, d7). for example, if t8 is enabled, t8_out is set to this initial value (ctr1, d1). according to t8_out's leve l, tc8h or tc8l is loaded into t8. after the terminal count is reached, t8 is disabled , and t16 is enabled. t16_out then switches to its initial value (ctr1, d0), data from tc16h and tc16l is loaded, and t16 starts to count. after t16 reaches the terminal count, it stops, t8 is enabled again, repeating the entire cycle. interrupts can be allowed when t8 or t16 reaches terminal control (ctr0, d1; ctr2, d1). to stop the ping-pong operatio n, write 00 to bits d3 and d2 of ctr1, see figure 26 . enabling ping-pong operation while the counter/timers are ru nning might cause intermit- tent counter/timer function. di sable the counter/tim ers and reset the st atus flags before instituting this operation. figure 26. ping-pong mode diagram note: tc8 enable timeout tc16 ping-pong ctr1 timeout enable
crimzon ? zlp32300 product specification ps020823-0208 functional description 43 initiating ping-pong mode first, make sure both counter/timers are no t running. set t8 in to single-pass mode (ctr0, d6), set t16 into single-pass mo de (ctr2, d6), and set the ping-pong mode (ctr1, d2; d3). these instructions can be in random order. finally, start ping- pong mode by enabling either t8 (c tr0, d7) or t16 (ctr2, d7), see figure 26 . figure 27. output circuit the initial value of t8 or t16 must not be 1 . if you stop the timer and restart the timer, reload the initial value to avoi d an unknown previous value. during ping-pong mode the enable bits of t8 and t16 (ctr0, d7; ctr2, d7) are set and cleared alternately by hardware. the timeout bits (ctr0, d5; ctr2 , d5) are set every time the counter/timers reach the terminal count. timer output the output logic for the timers is displayed in figure 27 . p34 is used to output t8-out when d0 of ctr0 is set. p35 is used to outp ut the value of ti6-out when d0 of ctr2 is set. when d6 of ctr1 is set, p36 output s the logic combinatio n of t8-out and t16- out determined by d5 and d4 of ctr1. interrupts the crimzon zlp32300 features six different interrupts (see table 11 on page 45). the interrupts are maskable and prioritized (see figure 28 ). the six sources are divided as fol- lows: three sources are claimed by port 3 lines p33?p31, two by the t16_out mux ctr1 d3 t8_out p34 and/or/nor/nand logic mux mux mux p35 p36 p34_internal ctr1 d5, d4 p36_internal p35_internal ctr1, d2 ctr0 d0 ctr1 d6 ctr2 d0
crimzon ? zlp32300 product specification ps020823-0208 functional description 44 counter/timers (see table 11 on page 45) and one for low-voltage detection. the interrupt mask register (globally or individually) en ables or disables the six interrupt requests. the source for irq is determined by bit 1 of the port 3 mode register (p3m). when in digital mode, pin p33 is the source. when in analog mode, the output of the stop mode recovery source logic is used as the source for the interrupt, see figure 33 on page 52. figure 28. interru pt block diagram low-voltage detection timer 8 timer 16 interrupt edge select imr ipr priority logic irq 5 irq2 irq0 irq1 irq3 irq4 irq5 p31 p32 irq register d6, d7 global interrupt enable interrupt request vector select d1 of p3m register p33 0 1 stop mode recovery source
crimzon ? zlp32300 product specification ps020823-0208 functional description 45 when more than one interrupt is pending, priorities are resolved by a programmable priority encoder controlled by the interrupt pr iority register. an interrupt machine cycle activates when an interrupt request is grante d. as a result, all subsequent interrupts are disabled, and the program counter and status flags are saved. the cy cle then branches to the program memory vector lo cation reserved for that in terrupt. all crimzon zlp32300 interrupts are vectored through locations in the program memory. this memory location and the next byte contain the 16-bit address of the interrupt service routine for that particular interrupt request. to accommodate polled interrupt sy stems, interrupt inputs are masked, and the interrupt request register is polled to determine which of the interrupt requests require service. an interrupt resulting from an 1 is mapped into irq2, an d an interrupt from an2 is mapped into irq0. interrupts irq2 and irq0 can be rising, falling, or both edge triggered. these interrupts are programmable. th e software can poll to identify the state of the pin. programming bits for the interru pt edge select are located in the irq register (r250), bits d7 and d6. the config uration is indicated in table 12 . table 11. interrupt types, sources, and vectors name source vector location comments irq0 p32 0,1 external (p32), rising, falling edge triggered irq1 p33 2,3 external (p33) , falling edge triggered irq2 p31, t in 4,5 external (p31), rising, falling edge triggered irq3 t16 6,7 internal irq4 t8 8,9 internal irq5 lvd 10,11 internal table 12. irq register irq interrupt edge d7 d6 irq2 (p31) irq0 (p32) 00f f 01f r 10r f 11r/f r/f note: f = falling edge; r = rising edge
crimzon ? zlp32300 product specification ps020823-0208 functional description 46 clock the device?s on-chip oscillator has a high-gain, parallel-resonant ampl ifier, for connection to a crystal, ceramic resonator, or any suita ble external clock source (xtal1 = input, xtal2 = output). the crystal must be at cu t, 1 mhz to 8 mhz maximum, with a series resistance (rs) less than or equal to 100 ? . the on-chip oscillator can be driven with a suitable external clock source. the crystal must be connected across xt al1 and xtal2 using the recommended capac- itors from each pin to ground. the typical capa citor value is 10 pf for 8 mhz. also check with the crystal supplier fo r the optimum capacitance. figure 29. oscillator configuration zilog?s ir mcu supports crystal, resonator, and oscillator. most resonators have a frequency tolerance of less than 0.5%, whic h is enough for remote control application. resonator has a very fast startup time, whic h is around few hundred microseconds. most crystals have a frequency tolerance of less than 50 ppm (0.005% ). however, crystal needs longer startup time than the resonator. the large loading capacitance slows down the oscillation startup time. zilog ? suggests not to use more than 10 pf loading capacitor for the crystal. if the stray capacitance of th e pcb or the crystal is high, the loading capacitance c1 and c2 must be reduced furthe r to ensure stable oscillation before the t por (power-on reset time is typically 5-6 ms, see table 20 on page 79). for stop mode recovery operation, bit 5 of smr register allows you to select the stop mode recovery delay, which is the t por . if stop mode recovery delay is not selected, the mcu executes instruction immediately after it wakes up from the stop mode. if resonator or crystal is used as a clock source then stop mode recovery delay needs to be selected (bit 5 of smr = 1). c1 c2 xtal1 xtal2 xtal1 xtal2 crystal c1, c2 = 10 pf * f=8mhz external clock *note: preliminary value. xtal1 xtal2 ceramic resonator f = 8 mhz
crimzon ? zlp32300 product specification ps020823-0208 functional description 47 for both resonator and crystal oscillator, th e oscillation ground must go directly to the ground pin of the microcontroller. the oscilla tion ground must use the shortest distance from the microcontroller ground pin and it must be isolated from other connections. power management power-on reset a timer circuit clocked by a dedicated on-bo ard rc-oscillator is used for the power-on reset timer function. the por time allows v dd and the oscillator circuit to stabilize before instruction execution begins. the por timer circuit is a one-shot time r triggered by one of three conditions: ? power fail to power ok status, including waking up from v bo standby ? stop mode recovery (if d5 of smr = 1) ? wdt timeout the por timer is 2.5 ms minimum. bit 5 of the stop mode register determines whether the por timer is bypassed after stop mode recovery (typical for external clock). halt mode this instruction turns off the internal cpu clock, but not the xt al oscillation. the counter/timers and external interrupts irq0, irq1, irq2, irq3, irq4, and irq5 remain active. the devices are recovered by interrupts, either externally or internally generated. an interrupt request must be executed (enabl ed) to exit halt mode. after the interrupt service routine, the program continues from the instructi on after halt mode. stop mode this instruction turns off the internal clock and external crystal oscillation, reducing the standby current to 10 a or less. stop mode is terminated only by a reset, such as wdt time-out, por or smr. this condition causes th e processor to restart the application pro- gram at address 000ch . to enter stop (or halt) mode, first flush the instruction pipe- line to avoid suspending execution in mi d-instruction. execute a nop (opcode = ffh ) immediately before the appropriat e sleep instruction, as follows: ff nop ; clear the pipeline 6f stop ; enter stop mode or ff nop ; clear the pipeline 7f halt ; enter halt mode
crimzon ? zlp32300 product specification ps020823-0208 functional description 48 port configuration port configuration register the port configuration (pcon) register (see figure 30 ) configures the comparator output on port 3. it is located in the expand ed register 2 at bank f, location 00. pcon(fh)00h figure 30. port configuration register (pcon) (write only) comparator output port 3 (d0) bit 0 controls the comparator used in port 3. a 1 in this location brings the comparator outputs to p34 and p37, and a 0 releases th e port to its standa rd i/o configuration. port 1 output mode (d1) bit 1 controls the output mode of port 1. a 1 in this location sets the output to push-pull, and a 0 sets the output to open-drain. port 0 output mode (d2) bit 2 controls the output mode of port 0. a 1 in this location sets the output to push-pull, and a 0 sets the output to open-drain. d7 d6 d5 d4 d3 d2 d1 d0 comparator output port 3 0 p34, p37 standard output* 1 p34, p37 comparator output port 1 0: open-drain 1: push-pull* port 0 0: open-drain 1: push-pull* reserved (must be 1) * default setting after reset
crimzon ? zlp32300 product specification ps020823-0208 functional description 49 stop mode recovery stop mode recovery register (smr) this register selects the clock divide value and determines the mode of stop mode recov- ery (see figure 31 ). all bits are write only except bit 7, which is read only. bit 7 is a flag bit that is hardware set on th e condition of stop recovery an d reset by a power-on cycle. bit 6 controls whether a low level or a high level at the xor-gate input (see figure 33 on page 52) is required from the re covery source. bit 5 controls the reset delay after recovery. bits d2, d3, and d4 of the smr register spec ify the source of the stop mode recovery signal. bits d0 determines if sclk/tclk ar e divided by 16 or not. the smr is located in bank f of the expanded register group at address 0bh . smr(0f)0bh figure 31. stop mode recovery register d7 d6 d5 d4 d3 d2 d1 d0 sclk/tclk divide-by-16 0 off * * 1 on reserved (must be 0) stop mode recovery source 000 por only * 001 reserved 010 p31 011 p32 100 p33 101 p27 110 p2 nor 0-3 111 p2 nor 0-7 stop delay 0 off 1 on * * * * stop recovery level * * * 0 low * 1 high stop flag 0 por * 1 stop recovery * * *default after power-on reset or watchdog reset * *default setting after reset and stop mode recovery. * * *at the xor gate input * * * *default setting after reset. must be 1 if using a crystal or resonator clock source.
crimzon ? zlp32300 product specification ps020823-0208 functional description 50 sclk/tclk divide-by-16 select (d0) d0 of the smr controls a divide-by-16 prescaler of sclk/tclk (see figure 32 ). this control selectively reduces devi ce power consumptio n during normal pr ocessor execution (sclk control) and/or halt mode (where tc lk sources interrupt logic). after stop mode recovery, this bit is set to a 0. figure 32. sclk circuit stop mode recovery source (d2, d3, and d4) these three bits of the smr specify the wa ke-up source of the stop recovery (see figure 33 and table 14 ). stop mode recovery register 2?smr2(f)0dh table 13 lists and briefly describes the fields for this register. table 13. smr2(f)0dh:stop mode recovery register 2* field bit position value description reserved 7------- 0 reserved (must be 0) recovery level -6------ w0 ? 1 low high reserved --5----- 0 reserved (must be 0) sclk tclk smr, d0 2 osc 16
crimzon ? zlp32300 product specification ps020823-0208 functional description 51 source ---432-- w 000 ? 001 010 011 100 101 110 111 a. por only b. nand of p23?p20 c. nand of p27?p20 d. nor of p33?p31 e. nand of p33?p31 f. nor of p33?p31, p00, p07 g. nand of p33?p31, p00, p07 h. nand of p33?p31, p22?p20 reserved ------10 00 reserved (must be 0) *port pins configured as outputs are ignored as an smr recovery source. ? indicates the value upon power-on reset. table 13. smr2(f)0dh:stop mode recovery register 2* (continued) field bit position value description
crimzon ? zlp32300 product specification ps020823-0208 functional description 52 figure 33. stop mode recovery source smr2 d4 d3 d2 100 smr2 d4 d3 d2 111 smr d4d3d2 010 smr d4d3d2 111 smr d4d3d2 101 smr d4d3d2 100 smr d4d3d2 011 smr d4d3d2 000 smr d4d3d2 110 vcc p31 p32 p33 p27 p20 p23 p20 p27 smr2 d4 d3 d2 001 smr2 d4 d3 d2 000 smr2 d4 d3 d2 010 smr2 d4 d3 d2 011 smr2 d4 d3 d2 101 smr2 d4 d3 d2 110 vcc p20 p23 p20 p27 p31 p32 p33 p31 p32 p33 p31 p32 p33 p00 p07 p31 p32 p33 p00 p07 p31 p32 p33 p20 p21 p22 smr d6 smr2 d6 to reset and wdt circuitry (active low)
crimzon ? zlp32300 product specification ps020823-0208 functional description 53 any port 2 bit defined as an output drives the corresponding input to the default state. for example, if the nor of p23-p20 is selected as the recovery source and p20 is configured as an output, the remaining smr pins (p23-p21) form the nor equation. this condition allows the remaining inputs to control the and/or functio n, refer to smr2 register on page 54 for other recover sources. stop mode recovery delay select (d5) this bit, if low, disables the t por delay after stop mode recovery. the default configura- tion of this bit is 1. if the ?fast? wake up is selected, the stop mode recovery source must be kept active for at least 10 tpc. this bit must be set to 1 if a crystal or resonator clock source is used. the t por delay allows the clock source to stab ilize before executing instructions. stop mode recovery edge select (d6) a 1 in this bit position indicates that a high level on any one of the recovery sources wakes the crimzon zlp32300 from stop mode . a 0 indicates low level recovery. the default is 0 on por. cold or warm start (d7) this bit is read only. it is set to 1 when the device is recovered from stop mode. the bit is set to 0 when the device reset is other than stop mode recovery. table 14. stop mode recovery source smr:432 operation d4 d3 d2 description of action 0 0 0 por and/or external reset recovery 001reserved 010p31 transition 011p32 transition 100p33 transition 101p27 transition 1 1 0 logical nor of p20 through p23 1 1 1 logical nor of p20 through p27 note: note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 54 stop mode recovery register 2 (smr2) this register determines the mode of stop mode recovery for smr2 (see figure 34 ). smr2(0f)dh figure 34. stop mode recovery register 2 ((0f)dh:d2?d4, d6 write only) if smr2 is used in conjunctio n with smr, either of the sp ecified events causes a stop mode recovery. port pins configured as ou tputs are ignored as an smr or smr2 recovery source. for example, if the nand or p23?p20 is selected as the recovery source and p20 is config- ured as an output, the remaining smr pins (p23?p21) form the nand equation. d7 d6 d5 d4 d3 d2 d1 d0 reserved (must be 0) reserved (must be 0) stop mode reco very source 2 000 por only * 001 nand p20, p21, p22, p23 010 nand p20, p21, p22, p2 3, p24, p25, p26, p27 011 nor p31, p32, p33 100 nand p31, p32, p33 101 nor p31, p32, p33, p00, p07 110 nand p31, p32, p33, p00, p07 111 nand p31, p32, p33, p20, p21, p22 reserved (must be 0) recovery level * * 0low * 1 high reserved (must be 0) if used in conjunction with smr, either of the two specified events causes a stop mode recovery. *default setting after reset. * *at the xor gate input. note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 55 watchdog timer mode watchdog timer mode register (wdtmr) the watchdog timer is a retriggerabl e one-shot timer that resets the z8 ? if it reaches its terminal count. the wdt must initially be enabled by executing the wdt instruction. on subsequent executions of the wdt instructio n, the wdt is refreshed. the wdt circuit is driven by an on-board rc-oscillator. the wdt in struction affects the zero (z), sign (s), and overflow (v) flags. the por clock source the internal rc-oscillator. bits 0 and 1 of the wdt register control a tap circuit that determines the minimum tim e-out period. bit 2 determines whether the wdt is active during halt, and bit 3 determ ines wdt activity during stop. bits 4 through 7 are reserved (see figure 35 ). this register is accessible only during the first 60 processor cycles (120 xtal clocks) from th e execution of the first instruction after power-on reset, watchdog reset, or a stop mode recovery (see figure 34 ). after this point, the register cannot be modified by any means (intentional or otherwise). the wdtmr cannot be read. the register is lo cated in bank f of the expanded register group at address location 0fh . it is organized as shown in figure 35 . wdtmr(0f)0fh figure 35. watchdog timer mode register (write only) d7 d6 d5 d4 d3 d2 d1 d0 wdt tap int rc osc 00 5 ms min. 01* 10 ms min. 10 20 ms min. 11 80 ms min. wdt during halt 0off 1on * wdt during stop 0off 1on * reserved (must be 0) *default setting after reset
crimzon ? zlp32300 product specification ps020823-0208 functional description 56 wdt time select (d0, d1) this bit selects the wdt time period . it is configured as indicated in table 15 . wdtmr during halt (d2) this bit determines whether or not the wdt is active during halt mode. a 1 indicates active during halt. the default is 1, see figure 36 . table 15. watchdog timer time select d1 d0 timeout of internal rc-oscillator 005 ms min 0110 ms min 1020 ms min 1180 ms min
crimzon ? zlp32300 product specification ps020823-0208 functional description 57 figure 36. resets and wdt wdtmr during stop (d3) this bit determines whether or not the wdt is active during stop mode. a 1 indicates active during stop. the default is 1. eprom selectable options there are seven eprom selectable options to choose from based on rom code require- ments. these are listed in table 16 . - * clr1 and clr2 enable the wdt/por and 18 clock reset timers res p ectivel y u p on a low-to-hi g h + from stop mode recovery source stop delay select (smr) 5 clock filter *clr2 18 clock reset clk generator reset wdt tap select por 5 ms 10 ms 20 ms 80 ms clk *clr1 wdt/por counter chain internal rc oscillator. wdt v dd low operating voltage det. vbo v dd interna rese t active high 12-ns glitch filter xtal
crimzon ? zlp32300 product specification ps020823-0208 functional description 58 voltage brownout/standby an on-chip voltage comparator checks that the v dd is at the required level for correct operation of the device. reset is globally driven when v dd falls below v bo . a small drop in v dd causes the xtal1 and xtal2 circuitry to stop the crystal or resonator clock. if the v dd is allowed to stay above v ram , the ram content is preserved. when the power level is returned to above v bo , the device performs a por and functions normally. low-voltage detection low-voltage detection register?lvd(d)0ch voltage detection does not work at stop mode. do not modify register p01m while checki ng a low-voltage conditi on. switching noise of both ports 0 and 1 together might trigger the lvd flag. table 16. eprom selectable options port 00?03 pull-ups on/off port 04?07 pull-ups on/off port 10?13 pull-ups on/off port 14?17 pull-ups on/off port 20?27 pull-ups on/off eprom protection on/off watchdog timer at power-on reset on/off field bit position description lvd 76543--- reserved no effect -----2-- r 1 0* hvd flag set hvd flag reset ------1- r 1 0* lvd flag set lvd flag reset -------0 r/w 1 0* enable vd disable vd *default after por note: note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 59 voltage detection and flags the voltage detection register (lvd, register 0ch at the expanded register bank 0dh ) offers an option of monitoring the v cc voltage. the voltage detec tion is enabled when bit 0 of lvd register is set. once vo ltage detection is enabled, the v cc level is monitored in real time. the hvd flag (bit 2 of the lvd register) is set only if v cc is higher than v hvd. the lvd flag (bit 1 of the lvd register) is set only if v cc is lower than the v lvd . when voltage detection is en abled, the lvd flag also triggers irq5. the irq bit 5 latches the low-voltage condition until it is clea red by instructions or reset. the irq5 interrupt is served if it is enabled in the im r register. otherwise, bit 5 of irq register is latched as a flag only. if it is necessary to receive an lvd interrupt upon power-up at an operating voltage lower than the low battery detect th reshold, enable interrupts us ing the enable interrupt (ei) instruction prior to enab ling the voltage detection. note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 60 expanded register file control registers (0d) the expanded register file contro l registers (0d) are displayed in figure 37 through figure 41 . figure 37. tc8 control register ((0d)o0h: read/write except where noted) ctr0(0d)00h d7 d6 d5 d4 d3 d2 d1 d0 0 p34 as port output * 1 timer8 output 0 disable t8 timeout interrupt** 1 enable t8 timeout interrupt 0 disable t8 data capture interrupt** 1 enable t8 data capture interrupt 00 sclk on t8** 01 sclk/2 on t8 10 sclk/4 on t8 11 sclk/8 on t8 r 0 no t8 counter timeout** r 1 t8 counter timeout occurred w 0 no effect w 1 reset flag to 0 0 modulo-n* 1 single pass r 0 t8 disabled * r1 t8 enabled w0 stop t8 w 1 enable t8 *default setting after reset. **default setting after reset. not reset with a stop mode recovery.
crimzon ? zlp32300 product specification ps020823-0208 functional description 61 figure 38. t8 and t16 common control functions ((0d)01h: read/write) ctr1(0d)01h d7 d6 d5 d4 d3 d2 d1 d0 transmit mode* r/w 0 t16_out is 0 initially* 1 t16_out is 1 initially demodulation mode r 0 no falling edge detection r 1 falling edge detection w 0 no effect w 1 reset flag to 0 transmit mode* r/w 0 t8_out is 0 initially* 1 t8_out is 1 initially demodulation mode r 0 no rising edge detection r 1 rising edge detection w 0 no effect w 1 reset flag to 0 transmit mode* 0 0 normal operation* 01ping-pong mode 1 0 t16_out = 0 1 1 t16_out = 1 demodulation mode 0 0 no filter 0 1 4 sclk cycle filter 1 0 8 sclk cycle filter 1 1 reserved transmit mode/t8/t16 logic 0 0 and** 01or 1 0 nor 11nand demodulation mode 0 0 falling edge detection 01rising edge detection 1 0 both edge detection 1 1 reserved transmit mode 0 p36 as port output * 1 p36 as t8/t16_out demodulation mode 0 p31 as demodulator input 1 p20 as demodulator input transmit/demodulation mode 0 transmit mode * 1 demodulation mode *default setting after reset **default setting after reset. not reset with a stop mode recovery.
crimzon ? zlp32300 product specification ps020823-0208 functional description 62 1. ensure to differentiate the tra nsmit mode from demodulation mode. depending on which of these two modes is operating, the ctr1 bit has different functions. 2. changing from one mode to another cannot be performed without disabling the counter/timers. ctr2(0d)02h figure 39. t16 control register ((0d) 2h: read/write except where noted) d7 d6 d5 d4 d3 d2 d1 d0 0 p35 is port output * 1 p35 is tc16 output 0 disable t16 timeout interrupt* 1 enable t16 timeout interrupt 0 disable t16 data capture interrupt** 1 enable t16 data capture interrupt 0 0 sclk on t16** 0 1 sclk/2 on t16 1 0 sclk/4 on t16 1 1 sclk/8 on t16 r 0 no t16 timeout** r 1 t16 timeout occurs w 0 no effect w 1 reset flag to 0 transmit mode 0 modulo-n for t16* 1 single pass for t16 demodulator mode 0 t16 recognizes edge 1 t16 does not recognize edge r 0 t16 disabled * r 1 t16 enabled w 0 stop t16 w1enable t16 *default setting after reset **default setting after rese t. not reset with a stop mode recovery. notes:
crimzon ? zlp32300 product specification ps020823-0208 functional description 63 ctr3(0d)03h figure 40. t8/t16 control register (0d)03h: read/write (except where noted) if sync mode is enabled, the first pulse of t8 carrier is always synchronized with t16 (demodulated signal). it can al ways provide a full carrier pulse. d7 d6 d5 d4 d3 d2 d1 d0 reserved no effect when written always reads 11111 sync mode 0* disable sync mode** 1 enable sync mode t 8 enable r 0* t 8 disabled r 1 t 8 enabled w0 stop t 8 w1 enable t 8 t 16 enable r 0* t 16 disabled r 1 t 16 enabled w 0 stop t 16 w 1 enable t 16 *default setting after reset. **default setting after rese t. not reset with a stop mode recovery. note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 64 lvd(0d)0ch figure 41. voltage detection register do not modify register p01m while checki ng a low-voltage conditi on. switching noise of both ports 0 and 1 together might trigger the lvd flag. d7 d6 d5 d4 d3 d2 d1 d0 voltage detection 0: disable * 1: enable lvd flag (read only) 0: lvd flag reset * 1: lvd flag set hvd flag (read only) 0: hvd flag reset * 1: hvd flag set reserved (must be 0) *default setting after reset. note:
crimzon ? zlp32300 product specification ps020823-0208 functional description 65 expanded register file control registers (0f) the expanded register file contro l registers (0f) are displayed in figure 42 through figure 55 on page 74. pcon(0f)00h figure 42. port configuration register (pcon)(0f)00h: write only) d7 d6 d5 d4 d3 d2 d1 d0 comparator output port 3 0 p34, p37 standard output * 1 p34, p37 comparator output port 1 0: open-drain 1: push-pull* port 0 0: open-drain 1: push-pull * reserved (must be 1) *default setting after reset
crimzon ? zlp32300 product specification ps020823-0208 functional description 66 smr(0f)0bh figure 43. stop mode recovery register ((0f)0bh: d6?d0=write only, d7=read only) d7 d6 d5 d4 d3 d2 d1 d0 sclk/tclk divide-by-16 0 off * 1 on reserved (must be 0) stop mode recovery source 000 por only * 001 reserved 010 p31 011 p32 100 p33 101 p27 110 p2 nor 0?3 111 p2 nor 0?7 stop delay 0off 1 on * * * * stop recovery level * * * 0 low * 1 high stop flag 0 por * * * * * 1 stop recovery * * *default setting after reset * *set after stop mode recovery * * *at the xor gate input * * * *default setting after reset. must be 1 if using a crystal or re sonator clock source. * * * * *default setting after power-on rese t. not reset with a stop mode recovery.
crimzon ? zlp32300 product specification ps020823-0208 functional description 67 smr2(0f)0dh figure 44. stop mode recovery register 2 ((0f)0dh:d2?d4, d6 write only) d7 d6 d5 d4 d3 d2 d1 d0 reserved (must be 0) reserved (must be 0) stop mode reco very source 2 000 por only * 001 nand p20, p21, p22, p23 010 nand p20, p21, p22, p2 3, p24, p25, p26, p27 011 nor p31, p32, p33 100 nand p31, p32, p33 101 nor p31, p32, p33, p00, p07 110 nand p31, p32, p33, p00, p07 111 nand p31, p32, p33, p20, p21, p22 reserved (must be 0) recovery level * * 0low 1 high reserved (must be 0) if used in conjunction with smr, either of the two specified events causes a stop mode recovery. *default setting after reset. not reset with a stop mode recovery. * *at the xor gate input
crimzon ? zlp32300 product specification ps020823-0208 functional description 68 wdtmr(0f)0fh figure 45. watchdog timer register ((0f) 0fh: write only) d7 d6 d5 d4 d3 d2 d1 d0 wdt tap int rc osc 00 5 ms min. 01* 10 ms min. 10 20 ms min. 11 80 ms min. wdt during halt 0off 1on * wdt during stop 0off 1on * reserved (must be 0) *default setting after reset. not reset with a stop mode recovery.
crimzon ? zlp32300 product specification ps020823-0208 functional description 69 standard control registers the standard control registers are displayed in figure 46 through figure 55 on page 74. r246 p2m(f6h) figure 46. port 2 mode register (f6h: write only) r247 p3m(f7h) figure 47. port 3 mode register (f7h: write only) d7 d6 d5 d4 d3 d2 d1 d0 p27?p20 i/o definition 0 defines bit as output 1 defines bit as input * *default setting after reset. not reset with a stop mode recovery. d7 d6 d5 d4 d3 d2 d1 d0 0: port 2 open drain * 1: port 2 push-pull 0= p31, p32 digital mode* 1= p31, p32 analog mode reserved (must be 0) *default setting after reset. not reset with a stop mode recovery.
crimzon ? zlp32300 product specification ps020823-0208 functional description 70 r248 p01m(f8h) figure 48. port 0 and 1 mode register (f8h: write only) d7 d6 d5 d4 d3 d2 d1 d0 p00?p03 mode 0: output 1: input * reserved (must be 0) reserved (must be 1) p17?p10 mode 0: byte output 1: byte input* reserved (must be 0) p07?p04 mode 0: output 1: input * reserved (must be 0) *default setting after reset; only p00, p01 and p07 are available on crimzon zlp32300 20-pin con- figurations.
crimzon ? zlp32300 product specification ps020823-0208 functional description 71 r249 ipr(f9h) figure 49. interrupt priority register (f9h: write only) d7 d6 d5 d4 d3 d2 d1 d0 interrupt group priority 000 reserved 001 c > a > b 010 a > b >c 011 a > c > b 100 b > c > a 101 c > b > a 110 b > a > c 111 reserved irq1, irq4, priority (group c) 0: irq1 > irq4 1: irq4 > irq1 irq0, irq2, priority (group b) 0: irq2 > irq0 1: irq0 > irq2 irq3, irq5, priority (group a) 0: irq5 > irq3 1: irq3 > irq5 reserved; must be 0
crimzon ? zlp32300 product specification ps020823-0208 functional description 72 r250 irq(fah) figure 50. interrupt request register (fah: read/write) r251 imr(fbh) figure 51. interrupt mask register (fbh: read/write) d7 d6 d5 d4 d3 d2 d1 d0 irq0 = p32 input irq1 = p33 input irq2 = p31 input irq3 = t16 irq4 = t8 irq5 = lvd inter edge p31 p32 = 00 p31 p32 = 01 p31 p32 = 10 p31 p32 = 11 d7 d6 d5 d4 d3 d2 d1 d0 1 enables irq5?irq0 (d0 = irq0) reserved (must be 0) 0 master interrupt disable * 1 master interrupt enable * * *default setting after reset * *only by using ei, di instruction; di is required before changing the imr register
crimzon ? zlp32300 product specification ps020823-0208 functional description 73 r252 flags(fch) figure 52. flag register (fch: read/write) r253 rp(fdh) figure 53. register pointer (fdh: read/write) d7 d6 d5 d4 d3 d2 d1 d0 user flag f1 user flag f2 half carry flag decimal adjust flag overflow flag sign flag zero flag carry flag d7 d6 d5 d4 d3 d2 d1 d0 expanded register bank pointer working register pointer default setting after reset = 0000 0000
crimzon ? zlp32300 product specification ps020823-0208 functional description 74 r254 sph(feh) figure 54. stack pointer high (feh: read/write) r255 spl(ffh) figure 55. stack pointer low (ffh: read/write) d7 d6 d5 d4 d3 d2 d1 d0 general-purpose register d7 d6 d5 d4 d3 d2 d1 d0 stack pointer low byte (sp7?sp0)
crimzon ? zlp32300 product specification ps020823-0208 electrical characteristics 75 electrical characteristics absolute maximum ratings stresses greater than those listed in table 18 might cause permanent damage to the device. this rating is a stress rating only. functiona l operation of the de vice at any condition above those indicated in the operational secti ons of these specifications is not implied. exposure to absolute maximum rating conditio ns for an extended period might affect device reliability. standard test conditions the characteristics listed in th is product specification apply for standard test conditions as noted. all voltages are referenced to gnd. po sitive current flows into the referenced pin (see figure 56 ). figure 56. test load diagram table 17. absolute maximum ratings parameter minimum maximum units notes ambient temperature under bias 0 +70 c storage temperature ?65 +150 c voltage on any pin with respect to v ss ?0.3 +5.5 v 1 voltage on v dd pin with respect to v ss ?0.3 +3.6 v maximum current on input and/or inactive output pin ?5 +5 a maximum output current from active output pin ?25 +25 ma maximum current into v dd or out of v ss 75 ma 1 this voltage applies to all pins except the following: v dd , p32, p33 and reset . from output under test 150 pf
crimzon ? zlp32300 product specification ps020823-0208 electrical characteristics 76 capacitance table 18 lists the capacitances. dc characteristics table 19 describes the dc characteristics. table 18. capacitance parameter maximum input capacitance 12 pf output capacitance 12 pf i/o capacitance 12 pf t a = 25 c, v cc = gnd = 0 v, f = 1.0 mhz, unmeasured pins returned to gnd table 19. dc characteristics t a = 0 c to +70 c units conditions notes symbol parameter v cc min typ (7) max v cc supply voltage 2.0 3.6 v see notes 5 v ch clock input high voltage 2.0-3.6 0.8 v cc v cc +0.3 v driven by external clock generator v cl clock input low voltage 2.0-3.6 v ss ?0.3 0.4 v driven by external clock generator v ih input high voltage 2.0-3.6 0.7 v cc v cc +0.3 v v il input low voltage 2.0-3.6 v ss ?0.3 0.2 v cc v v oh1 output high voltage 2.0-3.6 v cc ?0.4 v i oh = ?0.5 ma v oh2 output high voltage (p36, p37, p00, p01) 2.0-3.6 v cc ?0.8 v i oh = ?7 ma v ol1 output low voltage 2.0-3.6 0.4 v i ol = 4.0 ma v ol2 output low voltage (p00, p01, p36, p37) 2.0-3.6 0.8 v i ol = 10 ma v offset comparator input offset voltage 2.0-3.6 25 mv v ref comparator reference voltage 2.0-3.6 0 v cc -1.75 v
crimzon ? zlp32300 product specification ps020823-0208 electrical characteristics 77 i il input leakage 2.0-3.6 ?1 1 av in = 0 v, v cc pull-ups disabled r pu pull-up resistance 2.0 3.6 225 75 675 275 k ? k ? v in = 0 v, pull-ups selected by mask option i ol output leakage 2.0-3.6 ?1 1 av in = 0 v, v cc i cc supply current 2.0 3.6 1 5 3 10 ma ma at 8.0 mhz at 8.0 mhz 1 , 2 1 , 2 i cc1 standby current (halt mode) 2.0 3.6 0.5 0.8 1.6 2.0 ma v in = 0v, v cc at 8.0 mhz same as above 1 , 2 , 6 1 , 2 , 6 i cc2 standby current (stop mode) 2.0 3.6 2.0 3.6 1.6 1.8 5 8 8 10 20 30 a a a a v in = 0 v, v cc wdt is not running same as above v in = 0 v, v cc wdt is running same as above 3 3 3 3 i lv standby current (low voltage) 1.2 6 a measured at 1.3 v 4 v bo v cc low voltage protection 1.9 2.0 v 8 mhz maximum ext. clk freq. v lvd vcc low voltage detection 2.4 v v hvd vcc high voltage detection 2.7 v notes 1. all outputs unloaded, inputs at rail. 2. cl1 = cl2 = 100 pf. 3. oscillator stopped. 4. oscillator stops when v cc falls below v bo limit. 5. it is strongly recommended to add a filter capacitor (minimum 0.1 f), physically close to vdd and v ss pins if operating voltage fluctuations are anticipated, such as those resulting from driving an infrared led. 6. comparator and timers ar e on. interrupt disabled. 7. typical values shown are at 25 oc. table 19. dc characteristics (continued) t a = 0 c to +70 c units conditions notes symbol parameter v cc min typ (7) max
crimzon ? zlp32300 product specification ps020823-0208 electrical characteristics 78 ac characteristics figure 57 and table 20 describe the alternating current (ac) characteristics. figure 57. ac timing diagram clock stop mode recovery source clock setup 1 22 3 3 t in 7 4 5 6 7 irq n 8 9 11 10
crimzon ? zlp32300 product specification ps020823-0208 electrical characteristics 79 table 20. ac characteristics t a =0 c to +70 c 8.0 mhz watchdog timer mode register (d1, d0) no symbol parameter v cc minimum maximum units notes 1 tpc input clock period 2.0?3.6 121 dc ns 1 2 trc,tfc clock input rise and fall times 2.0?3.6 25 ns 1 3 twc input clock width 2.0?3.6 37 ns 1 4 twtinl timer input low width 2.0 3.6 100 70 ns 1 5 twtinh timer input high width 2.0?3.6 3tpc 1 6 tptin timer input period 2.0?3.6 8tpc 1 7 trtin,tftin timer input rise and fall timers 2.0?3.6 100 ns 1 8 twil interrupt request low time 2.0 3.6 100 70 ns 1, 2 9 twih interrupt request input high time 2.0?3.6 5tpc 1, 2 10 twsm stop mode recovery width spec 2.0?3.6 12 10tpc ns 3 4 11 tost oscillator start-up time 2.0?3.6 5tpc 4 12 twdt watchdog timer delay time 2.0?3.6 2.0?3.6 2.0?3.6 2.0?3.6 5 10 20 80 ms ms ms ms 0, 0 0, 1 1, 0 1, 1 13 t por power-on reset 2.0?3.6 2.5 10 ms notes 1. timing reference uses 0.9 v cc for a logic 1 and 0.1 v cc for a logic 0. 2. interrupt request through port 3 (p33?p31). 3. smr?d5 = 1. 4. smr?d5 = 0.
crimzon ? zlp32300 product specification ps020823-0208 packaging 80 packaging package information for a ll versions of crimzon zlp32300 is displayed in figure 58 through figure 65 . figure 58. 20-pin pdip package diagram
crimzon ? zlp32300 product specification ps020823-0208 packaging 81 figure 59. 20-pin soic package diagram
crimzon ? zlp32300 product specification ps020823-0208 packaging 82 figure 60. 20-pin ssop package diagram
crimzon ? zlp32300 product specification ps020823-0208 packaging 83 figure 61. 28-pin soic package diagram
crimzon ? zlp32300 product specification ps020823-0208 packaging 84 figure 62. 28-pin pdip package diagram
crimzon ? zlp32300 product specification ps020823-0208 packaging 85 figure 63. 28-pin ssop package diagram figure 64. 40-pin pdip package diagram symbol a a1 b c a2 e millimeter inch min max min max 1.73 0.05 1.68 0.25 5.20 0.65 typ 0.09 10.07 7.65 0.63 1.86 0.0256 typ 0.13 10.20 1.73 7.80 5.30 1.99 0.21 1.78 0.75 0.068 0.002 0.066 0.010 0.205 0.004 0.397 0.301 0.025 0.073 0.005 0.068 0.209 0.006 0.402 0.307 0.030 0.078 0.008 0.070 0.015 0.212 0.008 0.407 0.311 0.037 0.38 0.20 10.33 5.38 7.90 0.95 nom nom d e h l controlling dimensions: mm leads are coplanar within .004 inches. h c detail a e d 28 15 114 seating plane a2 e a q1 a1 b l 0 - 8 detail 'a'
crimzon ? zlp32300 product specification ps020823-0208 packaging 86 figure 65. 48-pin ssop package design contact zilog ? on the actual bonding diagram and coordinate for chip-on-board assem- bly. controlling dimensions : mm leads are coplanar within .004 inch d e h a1 a2 a e seating plane b 48 25 c detail a detail a 0-8? l 1 24 note:
crimzon ? zlp32300 product specification ps020823-0208 ordering information 87 ordering information the crimzon zlp32300 is availa ble for the following parts: device part number description crimzon zlp32300 zlp32300h4832g 48-pin ssop 32 k otp zlp32300p4032g 40-pin pdip 32 k otp zlp32300h2832g 28-pin ssop 32 k otp ZLP32300P2832G 28-pin pdip 32 k otp zlp32300s2832g 28-pin soic 32 k otp zlp32300h2032g 20-pin ssop 32 k otp zlp32300p2032g 20-pin pdip 32 k otp zlp32300s2032g 20-pin soic 32 k otp zlp32300h4816g 48-pin ssop 16 k otp zlp32300p4016g 40-pin pdip 16 k otp zlp32300h2816g 28-pin ssop 16 k otp zlp32300p2816g 28-pin pdip 16 k otp zlp32300s2816g 28-pin soic 16 k otp zlp32300h2016g 20-pin ssop 16 k otp zlp32300p2016g 20-pin pdip 16 k otp zlp32300s2016g 20-pin soic 16 k otp zlp32300h4808g 48-pin ssop 8 k otp zlp32300p4008g 40-pin pdip 8 k otp zlp32300h2808g 28-pin ssop 8 k otp zlp32300p2808g 28-pin pdip 8 k otp zlp32300s2808g 28-pin soic 8 k otp zlp32300h2008g 20-pin ssop 8 k otp
crimzon ? zlp32300 product specification ps020823-0208 ordering information 88 for fast results, contact your local zilog ? sales office for assistance in ordering the part(s) desired. zlp32300p2008g 20-pin pdip 8 k otp zlp32300s2008g 20-pin soic 8 k otp zlp32300h4804g 48-pin ssop 4 k otp zlp32300p4004g 40-pin pdip 4 k otp zlp32300h2804g 28-pin ssop 4 k otp zlp32300p2804g 28-pin pdip 4 k otp zlp32300s2804g 28-pin soic 4 k otp zlp32300h2004g 20-pin ssop 4 k otp zlp32300p2004g 20-pin pdip 4 k otp zlp32300s2004g 20-pin soic 4 k otp zlp323ice01zac* 40-pdip /48-ssop accessory kit note: *zlp323ice01zac has been repl aced by an improved version, zcrmznice02zacg. zlp128ice01zemg in-circuit emulator note: *zlp128ice01zemg has been repl aced by an improved version, zcrmznice01zemg. zcrmznice01zemg crimzon in-circuit emulator zcrmzn00100kitg crimzon in-circuit emulator development kit zcrmznice01zacg 20-pin accessory kit zcrmznice02zacg 40/48-pin accessory kit notes 1. replace c with g for lead-free packaging. 2. contact www.zilog.com for the die form. device part number description
crimzon ? zlp32300 product specification ps020823-0208 ordering information 89 part number description zilog ? part numbers consist of a number of components, as shown below. zlp32300h2832g is a crimzon zlp32300 otp product in a 28 -pin ssop package, with 32 kb of otp and built with lead-free solder. z lp 32300 h 28 32 g environmental flow g = lead free memory size 32 = 32 kb 16 = 16 kb 8 = 8 kb 4 = 4 kb number of pins in package 48 = 48 pins 40 = 40 pins 28 = 28 pins 20 = 20 pins package type h = ssop p = pdip s = soic product number 32300 product line crimzon zlp32300 otp zilog product prefix
crimzon ? zlp32300 product specification ps020823-0208 ordering information 90
crimzon ? zlp32300 product specification ps020823-0208 index 91 index numerics 16-bit counter/timer circuits 40 20-pin dip package diagram 80 20-pin ssop package diagram 82 28-pin dip package diagram 84 28-pin soic package diagram 83 28-pin ssop package diagram 85 40-pin dip package diagram 85 48-pin ssop package diagram 86 8-bit counter/timer circuits 36 a absolute maximum ratings 75 ac characteristics 78 timing diagram 78 address spaces, basic 1 architecture 1 expanded register file 22 b basic address spaces 1 block diagram, zlp32300 functional 3 c capacitance 76 characteristics ac 78 dc 76 clock 46 comparator inputs/outputs 18 configuration port 0 12 port 1 13 port 2 14 port 3 15 port 3 counter/timer 17 counter/timer 16-bit circuits 40 8-bit circuits 36 brown-out voltage/standby 58 clock 46 demodulation mode count capture flowchart 38 demodulation mode flowchart 39 eprom selectable options 58 glitch filter circuitry 34 halt instruction 47 input circuit 33 interrupt block diagram 44 interrupt types, sources and vectors 45 oscillator configuration 46 output circuit 43 port configuration register 48 resets and wdt 57 sclk circuit 50 stop instruction 47 stop mode recovery register 49 stop mode recovery register 2 54 stop mode recovery source 52 t16 demodulation mode 41 t16 transmit mode 40 t16_out in modulo-n mode 41 t16_out in single-pass mode 41 t8 demodulation mode 37 t8 transmit mode 34 t8_out in modulo-n mode 37 t8_out in single-pass mode 37 transmit mode flowchart 35 voltage detection and flags 59 watch-dog timer mode register 55 watch-dog timer time select 56 ctr(d)01h t8 and t16 common functions 29 d dc characteristics 76 demodulation mode count capture flowchart 38 flowchart 39 t16 41
crimzon ? zlp32300 product specification ps020823-0208 index 92 t8 37 description functional 19 general 3 pin 5 e eprom selectable options 58 expanded register file 20 expanded register file architecture 22 expanded register file control registers 64 flag 73 interrupt mask register 72 interrupt priority register 71 interrupt request register 72 port 0 and 1 mode register 70 port 2 configuration register 69 port 3 mode register 69 port configuration register 69 register pointer 73 stack pointer high register 74 stack pointer low register 74 stop mode recovery register 66 stop mode recovery register 2 67 t16 control register 62 t8 and t16 common control functions register 61 t8/t16 control register 63 tc8 control register 60 watchdog timer register 68 f features standby modes 2 zlp32300 2 functional description counter/timer functional blocks 33 ctr(d)01h register 28 ctr0(d)00h register 27 ctr2(d)02h register 31 ctr3(d)03h register 33 expanded register file 20 expanded register file architecture 22 hi16(d)09h register 26 hi8(d)0bh register 25 l08(d)0ah register 26 l0i6(d)08h register 26 program memory map 20 ram 19 register description 58 register file 24 register pointer 23 register pointer detail 25 smr2(f)0d1h register 33 stack 25 tc16h(d)07h register 26 tc16l(d)06h register 26 tc8h(d)05h register 27 tc8l(d)04h register 27 g glitch filter circuitry 34 h halt instruction, counter/timer 47 i input circuit 33 interrupt block diagram, counter/timer 44 interrupt types, sources and vectors 45 l low-voltage detection register 58 m memory, program 19 modulo-n mode t16_out 41 t8_out 37
crimzon ? zlp32300 product specification ps020823-0208 index 93 o oscillator configuration 46 output circuit, counter/timer 43 p package information 20-pin dip package diagram 80 20-pin ssop package diagram 82 28-pin dip package diagram 84 28-pin soic package diagram 83 28-pin ssop package diagram 85 40-pin dip package diagram 85 48-pin ssop package diagram 86 part number format 89 pin configuration 20-pin dip/soic/ssop 5 28-pin dip/soic/ssop 6 40- and 48-pin 8 40-pin dip 7 48-pin ssop 8 pin functions port 0 (p07 - p00) 11 port 0 (p17 - p10) 12 port 0 configuration 12 port 1 configuration 13 port 2 (p27 - p20) 13 port 2 (p37 - p30) 14 port 2 configuration 14 port 3 configuration 15 port 3 counter/timer configuration 17 reset) 18 xtal1 (time-based input 10 xtal2 (time-based output) 10 port 0 configuration 12 port 0 pin function 11 port 1 configuration 13 port 1 pin function 12 port 2 configuration 14 port 2 pin function 13 port 3 configuration 15 port 3 pin function 14 port 3counter/timer configuration 17 port configuration register 48 power connections 1 power supply 5 program memory 19 map 20 r ratings, absolute maximum 75 register 54 ctr(d)01h 28 ctr0(d)00h 27 ctr2(d)02h 31 ctr3(d)03h 33 flag 73 hi16(d)09h 26 hi8(d)0bh 25 interrupt priority 71 interrupt request 72 interruptmask 72 l016(d)08h 26 l08(d)0ah 26 lvd(d)0ch 58 pointer 73 port 0 and 1 70 port 2 configuration 69 port 3 mode 69 port configuration 48 , 69 smr2(f)0dh 33 stack pointer high 74 stack pointer low 74 stop mode recovery 49 stop mode recovery 2 54 stop mode recovery 66 stop mode recovery 2 67 t16 control 62 t8 and t16 common control functions 61 t8/t16 control 63 tc16h(d)07h 26 tc16l(d)06h 26 tc8 control 60 tc8h(d)05h 27 tc8l(d)04h 27 voltage detection 64 watch-dog timer 68
crimzon ? zlp32300 product specification ps020823-0208 index 94 register description counter/timer2 ls-byte hold 26 counter/timer2 ms-byte hold 26 counter/timer8 control 27 counter/timer8 high hold 27 counter/timer8 low hold 27 ctr2 counter/timer 16 control 31 ctr3 t8/t16 control 33 stop mode recovery2 33 t16_capture_lo 26 t8 and t16 common functions 28 t8_capture_hi 25 t8_capture_lo 26 register file 24 expanded 20 register pointer 23 detail 25 reset pin function 18 resets and wdt 57 s sclk circuit 50 single-pass mode t16_out 41 t8_out 37 stack 25 standard test conditions 75 standby modes 2 stop instruction, counter/timer 47 stop mode recovery 2 register 54 source 52 stop mode recovery 2 54 stop mode recovery register 49 t t16 transmit mode 40 t16_capture_hi 26 t8 transmit mode 34 t8_capture_hi 25 test conditions, standard 75 test load diagram 75 timing diagram, ac 78 transmit mode flowchart 35 v vcc 5 voltage brown-out/standby 58 detection and flags 59 voltage detection register 64 w watchdog timer mode register watchdog timer mode register 55 time select 56 x xtal1 5 xtal1 pin function 10 xtal2 5 xtal2 pin function 10 z zlp32300 family members 2
crimzon ? zlp32300 product specification ps020823-0208 customer support 95 customer support for answers to technical questions about the product, documentation, or any other issues with zilog?s offerings, please visit zilog?s knowledge base at http://www.zilog.com/kb . for any comments, detail technical questions, or reporting problems, please visit zilog?s technical support at http://support.zilog.com .

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