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t echnical manual cmos 4 - bit single chip microcomputer s1c63654 technical hardware s1c63654
notice no part of this material may be reproduced or duplicated in any form or by any means without the written permission of seiko epson. seiko epson reserves the right to make changes to this material without notice. seiko epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its application or use in any produc t or circuit and, further, there is no representation that this material is applicable to products requiring high level reliability, such as medical products. moreover, no license to any intellectual property rights is granted by implication or otherwise, and there is no representation or warranty that anything made in accordance with this material will be free from any patent or copyright infringement of a third party. this material or portions thereof may contain technology or the subject relating to strategic products under the control of the foreign exchange and foreign trade law of japan and may require an export license from the ministry of international trade and industry or other approval from another government agency. ? sei ko epson corporation 2007, all rights reserved.
revisions and additions for this manual section 1.1 1.5 2.1.5 2.2.2 4.1 4.8.1 4.8.2 4.8.3 4.11.1 4.14.3 4.14.4 4.14.5 4.14.6 (4.15.2) 4.15.2 4.15.3 4.16.1 4.16.4 5.2 7.1 7.2 7.3 a.4.2 page 1 5?8 11 13 18, 21, 23, 24 52 52 57 78 113?114 116?117 118, 120 121 122 122 123 126 128?129 135 140 140 140 160 item features mask option lcd system voltage circuit simultaneous high input to terminals k00?k03 memory map configuration of lcd driver power supply for lcd driving control of lcd display and drive waveform configuration of programmable timer operation of r/f conversion interrupt function i/o memory of r/f converter programming notes mask option svd operation i/o memory of svd circuit interrupt factor i/o memory of interrupt summary of notes by function absolute maximum rating recommended operating conditions dc characteristics differences with the actual ic contents explanation was revised. explanation was revised. figure 2.1.5.1 was revised. explanation was revised. tables 4.1.1(a), (d), (f), (g) were revised. explanation was revised. explanation was revised. explanation was revised. a note was added. explanation was revised. explanation was revised. figures 4.14.3.1?4.14.3.2 were revised. explanation was revised. figures 4.14.4.1?4.14.4.4 were revised. table 4.14.5.1 was revised. explanation was revised. explanation was revised. the section was deleted. explanation was revised. table 4.15.3.1 was revised. explanation was revised. table 4.16.1.1 was revised. tables 4.16.4.1(a), (b) were revised. explanation was revised. table was revised. table was revised. table was revised. explanation was revised. figure was deleted. chapter 1 2 4 5 7 appendix

devices s1 c 63158 f 0a01 packing specifications 00 : besides tape & reel 0a : tcp bl 2 directions 0b : tape & reel back 0c : tcp br 2 directions 0d : tcp bt 2 directions 0e : tcp bd 2 directions 0f : tape & reel front 0g : tcp bt 4 directions 0h : tcp bd 4 directions 0j : tcp sl 2 directions 0k : tcp sr 2 directions 0l : tape & reel left 0m : tcp st 2 directions 0n : tcp sd 2 directions 0p : tcp st 4 directions 0q : tcp sd 4 directions 0r : tape & reel right 99 : specs not fixed specification package d: die form; f: qfp, b: bga model number model name c: microcomputer, digital products product classification s1: semiconductor development tools s5u1 c 63000 a1 1 packing specifications 00: standard packing version 1: version 1 tool type hx : ice ex : eva board px : peripheral board wx : flash rom writer for the microcomputer xx : rom writer peripheral board cx : c compiler package ax : assembler package dx : utility tool by the model qx : soft simulator corresponding model number 63000: common to s1c63 family tool classification c: microcomputer use product classification s5u1: development tool for semiconductor products 00 00 configuration of product number

s1c63654 technical manual epson i contents c ontents chapter 1o utline ________________________________________________ 1 1.1 featur es ......................................................................................................... 1 1. 2b loc k di agram .............................................................................................. 2 1.3 pin layout diagram ..................................................................................... 3 1.4 pin description ............................................................................................. 4 1.5 mask option .................................................................................................. 5 chapter 2p o wer s upply and i nitial r eset ____________________________ 9 2.1 power supply ................................................................................................ 9 2.1.1 voltage regulator for osc1 oscillation cir cuit ......................................... 10 2.1.2 low-speed operation volta ge regul ator .................................................... 10 2.1.3 high-speed operati on voltage re gulator ................................................... 10 2.1.4 internal operating voltage v d1 ....................................................................................... 10 2.1.5 lcd system volta ge circuit ....................................................................... 10 2.1.6 halver mode and saving power ................................................................ 11 2.1.7 analog system power supply ..................................................................... 11 2.2 initial reset .................................................................................................. 12 2.2.1 reset terminal (reset) ............................................................................ 12 2.2.2 simultaneous high input to term inals k00? 03 ...................................... 13 2.2.3 internal register at initial r esetting ........................................................... 13 2.2.4 terminal settings at initial r esetting ......................................................... 14 2.3 test t erminal (test) ................................................................................... 14 chapter 3 cpu, rom, ram ________________________________________ 15 3. 1 cpu .............................................................................................................. 15 3.2 code ro m .................................................................................................... 15 3. 3 ram ............................................................................................................. 15 3.4 data ro m .................................................................................................... 16 chapter 4p eripheral c ircuits and o peration __________________________ 17 4.1 memory map ................................................................................................ 17 4.2 power contr ol .............................................................................................. 25 4.2.1 configuration of pow er supply cir cuit ...................................................... 25 4.2.2 power control procedure ........................................................................... 26 4.2.3 i/o memory for power control .................................................................. 27 4.2.4 progr amming notes ................................................................................... 29 4. 3w at ch do g ti me r ........................................................................................... 30 4.3.1 configuration of watchdog timer .............................................................. 30 4.3.2 interrupt function ...................................................................................... 30 4.3.3 i/o memory of w atchdog tim er ................................................................. 31 4.3.4 progr amming notes ................................................................................... 31 4.4 oscillation ci rc uit ....................................................................................... 32 4.4.1 configuration of oscillation ci r cuit .......................................................... 32 4.4.2 osc1 oscillation cir cuit ............................................................................ 32 4.4.3 osc3 oscillation cir cuit ............................................................................ 33 4. 4. 4 sw itc hi ng of ope ra ti ng vo lta ge ................................................................. 34 4.4.5 clock frequency and instruction execution tim e ....................................... 34 4.4.6 i/o memory of oscillation cir cuit .............................................................. 35 4.4.7 progr amming notes ................................................................................... 36
ii epson s1c63654 technical manual contents 4.5 input ports (k00? 03 and k10? 13) ......................................................... 37 4.5.1 configuration of input ports ..................................................................... 37 4.5.2 interrupt function ...................................................................................... 37 4.5.3 mask option ............................................................................................... 38 4.5.4 i/o memory of input ports ......................................................................... 39 4.5.5 progr amming notes ................................................................................... 41 4.6 output p orts (r00?03) .............................................................................. 42 4.6.1 configuration of output ports ................................................................... 42 4.6.2 mask option ............................................................................................... 42 4.6.3 high impedance control ............................................................................ 43 4.6.4 special output ............................................................................................ 43 4. 6. 5 i/o me mo ry of out put po rts ....................................................................... 45 4.6.6 progr amming notes ................................................................................... 46 4.7 i/o ports (p00?03 and p10?13) ............................................................. 47 4.7.1 configuration of i/o ports ........................................................................ 47 4.7.2 mask option ............................................................................................... 48 4.7.3 i/o control register s and input/out put mode ............................................ 48 4.7.4 pull-down during input mode ................................................................... 48 4.7.5 i/o memory of i/o ports ............................................................................ 49 4.7.6 progr amming not e ..................................................................................... 51 4.8 lcd driver (com0?om5, seg0?eg31) ............................................. 52 4.8.1 configuration of lcd driver .................................................................... 52 4.8.2 power supply for lcd driving .................................................................. 52 4.8.3 control of lcd display and drive waveform ........................................... 52 4.8.4 display memory ......................................................................................... 58 4.8.5 segment option .......................................................................................... 58 4.8.6 lcd contrast adjustment .......................................................................... 60 4.8.7 i/o memory of lcd d river ........................................................................ 61 4.8.8 progr amming not e ..................................................................................... 62 4.9 clock t imer .................................................................................................. 63 4.9.1 configuration of clock tim er ..................................................................... 63 4.9.2 data reading and hold function ................................................................ 63 4.9.3 interrupt function ...................................................................................... 64 4.9.4 i/o memory of clock tim er ........................................................................ 65 4.9.5 progr amming notes ................................................................................... 66 4.10 stopwatch ti mer ........................................................................................... 67 4.10.1 configuration of stopwatc h timer ........................................................... 67 4.10.2 counter and pr escaler ............................................................................. 67 4.10.3 capture buffer and hold func tion ............................................................ 68 4.10.4 stopwatch timer run /stop and r eset ................................................... 69 4.10.5 direct input function and ke y mask ........................................................ 69 4.10.6 interrupt function .................................................................................... 72 4.10.7 i/o memory of stopwatch timer .............................................................. 74 4.10.8 programm ing notes ................................................................................. 77 4.11 programm able time r ................................................................................... 78 4.11.1 configuration of programmabl e timer .................................................... 78 4.11.2 basic count oper ation ............................................................................. 79 4.11.3 setting the input clock ............................................................................. 80 4.11.4 event counter mode (timer 0) ................................................................. 80 4.11.5 pwm mode (timer 0, timer 1) ................................................................. 81 4.11.6 16-bit timer (timer 0 + timer 1) .............................................................. 82 4.11.7 interrupt function .................................................................................... 82 4.11.8 control of t out output .......................................................................... 83 4.11.9 transfer rate setting for serial in terface ................................................ 84 4.11.10 i/o memory of prog r ammable timer ..................................................... 85 4.11.11 programm ing notes ............................................................................... 91
s1c63654 technical manual epson iii contents 4.12 serial interface (sin, sout , sclk, srd y) ................................................ 93 4.12.1 configuration of serial interface ............................................................ 93 4.12.2 mask option ............................................................................................. 94 4.12.3 master mode and slave mode of serial interface .................................... 94 4.12.4 data input/output and interrupt f unction ............................................... 95 4.12.5 i/o memory of seri al int erface ................................................................ 98 4.12.6 program ming notes ................................................................................ 101 4.13 sound g enerator ......................................................................................... 102 4.13.1 configuration of sound gener ator ......................................................... 102 4.13.2 control of b uzzer output ......................................................................... 102 4.13.3 setting of buzzer frequency and sound le vel .......................................... 103 4. 13. 4 di g ita l en vel ope ..................................................................................... 104 4.13.5 one-shot output ...................................................................................... 105 4.13.6 i/o memory of sound gener ator ............................................................. 106 4.13.7 program ming notes ................................................................................ 108 4.14 r/f con verter ............................................................................................... 109 4.14.1 configuration of r/f conve rter ............................................................... 109 4.14.2 connection terminals and cr oscillation circui t .................................. 110 4.14.3 operation of r/f conversion ................................................................... 113 4.14.4 interrupt function ................................................................................... 116 4.14.5 i/o memory of r/f con verter .................................................................. 118 4.14.6 program ming notes ................................................................................ 121 4.15 svd (supply voltage detection) cir cuit ..................................................... 122 4.15.1 configuration of svd circuit ................................................................. 122 4.15.2 svd oper ation ........................................................................................ 122 4.15.3 i/o memory of svd cir cuit ..................................................................... 123 4.15.4 program ming notes ................................................................................ 123 4.16 interrupt and halt .................................................................................... 124 4.16.1 interrupt factor ....................................................................................... 126 4.16.2 interrupt mask ........................................................................................ 127 4.16.3 interrupt vector ...................................................................................... 127 4.16.4 i/o memo ry of interrupt ......................................................................... 128 4.16.5 program ming notes ................................................................................ 130 chapter 5s ummary of n o tes ______________________________________ 131 5.1 notes for low curre nt consump tion .......................................................... 131 5.2 summary of notes by function ................................................................... 132 5.3 precautions on mounting ........................................................................... 137 chapter 6b asic e xternal w iring d iagram ___________________________ 139 chapter 7e lectrical c haracteristics _______________________________ 140 7.1 absolute maximum rating .......................................................................... 140 7.2 recommended operati ng conditi ons ......................................................... 140 7.3 dc char acteristics ..................................................................................... 140 7.4 analog circuit characteris tics and power current consumptio n ............ 141 7.5 oscillation char acteristics ......................................................................... 142 7.6 serial interface ac characteristics ........................................................... 144 7.7 timing chart ............................................................................................... 145 7.8 r/f converter characteristics ..................................................................... 146
iv epson s1c63654 technical manual contents chapter 8p a ckage _______________________________________________ 147 8.1 plastic pack age ........................................................................................... 147 8.2 ceramic packag e for test samples ............................................................. 148 chapter 9p ad l ay out ____________________________________________ 149 9.1 diagram of p ad layout ............................................................................... 149 9.2 pad coordi nates .......................................................................................... 150 appendix p eripheral c ircuit b o ards for s1c63654 ____________________ 151 a.1 names and functions of each p art ............................................................ 151 a.1.1 s5u1c63000p1 ........................................................................................ 151 a.1.2 s5u1c63658p2 ........................................................................................ 154 a.2 connecting to the ta rg et system ................................................................ 155 a.3 downloading to s5u1c63000p1 ............................................................... 158 a.3.1 downloading circuit data 1 ?when new ice (s5u1c63000h2) is used ............................................ 158 a.3.2 downloading circuit data 2 ?when pre vious ice (s5u1c630 00h1) is u sed .................................... 158 a.4 usage precautions ...................................................................................... 159 a.4.1 operational precautions .......................................................................... 159 a.4.2 differences with the actual ic ................................................................. 159 a.5 product specifications ................................................................................ 163 a.5.1 specifications of s5u1c63000p1 ........................................................... 163 a.5.2 specifications of s5u1c63658p2 ........................................................... 163
s1c63654 technical manual epson 1 chapter 1: outline chapter 1o utline the s1c63654 is a microcomputer which has a high-performance 4-bit cpu s1c63000 as the core cpu, rom (4,096 words 13 bits), ram (512 words 4 bits), serial interface, watchdog timer, programmable timer, time base counters (2 systems), an lcd driver that can drive a maximum 32 segments 6 commons, sound generator and r/f converter built-in. the s1c63654 features low current consumption, this makes it suitable for battery driven portable equipment with r/f converter. 1.1 features osc1 oscillation circui t ...................... 32.768 khz (typ.) crystal oscillation circuit osc3 oscillation circui t ...................... 4 mhz (max.) ceramic (2 mhz max. when osc3 is used as the r/f converter operating clock) or 1.1 mhz (typ.) cr oscillation circuit ( ? 1) i nst r uc ti on set ..................................... basic instruction: 46 types (411 instructions with all) addressing mode: 8 types instruction execution time ................... during operation at 32.768 khz: 61 ?ec 122 ?ec 183 ?ec during operation at 4 mhz: 0.5 ?ec 1 ?ec 1.5 ?ec r om capac ity ..................................... code rom: 4,096 words 13 bits data rom: 1,024 words 4 bits ram capacity ...................................... data memory: 512 words 4 bits display memory: 48 words 4 bits input por t ............................................. 8 bits (pull-down resistors may be supplemented ? 1) out put por t .......................................... 4 bits (it is possible to switch the 2 bits to special output ? 2) i/o por t ................................................ 8 b its ( it is possible to switch the 4 bits to serial i/f input/output ? 2) ser ia l in te rf ace .................................... 1 port (8-bit clock synchronous system) lcd driv er ........................................... 32 segments 6, 5, 4 or 3 commons ( ? 2) time base counter .............................. clock timer stopwatch timer (1/1000 sec, with direct key input function) p rog rammable timer ........................... 8-bit pwm 2 ch. or 16-bit pwm 1 ch. ( ? 2) w atchdog tim er ................................... built-in sound gener ator ................................. w ith envelope and 1-shot output functions r /f con ve r ter ....................................... 2 ch., cr oscillation type, 20-bit counter supports resistive humidity sensors supply voltage detection (svd) circuit .. criteria voltage is selectable from 8 types (1.85 to 2.90 v ? 2) e xte r nal in te rr upt ................................ input port interrupt: 2 systems in te r nal in te rr upt ................................. clock timer interrupt: 4 systems stopwatch timer interrupt: 4 systems programmable timer interrupt: 4 systems serial interface interrupt: 1 system r/f converter interrupt: 2 systems po w er supply v oltage .......................... 2.4 to 3.6 v: max. 4 mhz operation in normal mode 2.4 to 3.6 v: 32 khz operation in halver mode 1.8 to 3.6 v: 32 khz operation in normal mode operating temper ature r ange ............. -20 to 70? current consumpti on (typ .) ................ low-speed operation (osc1 = 32 khz crystal oscillation): during halt 3.0 v (lcd on, halver mode) 0.65 ? during operation 3.0 v (lcd on, halver mode) 2.5 ? high-speed operation (osc3 = 4 mhz ceramic oscillation): during operation 3.0 v (lcd on) 800 ? pa ckage .............................................. qfp15-100pin (plastic) or chip ? ?
2 epson s1c63654 technical manual chapter 1: outline 1.2 block diagram osc1 osc2 osc3 osc4 com0~5 seg0~31 v dd v dda v c1 ~ 3 v d1 ~ 2 v osc ca~cd v ss v ssa k00~k03 k10~k13 test bz sen0, sen1, hud ref0, ref1 rfin0, rfin1 rfout reset p00~p03 p10~p13 r00~r03 core cpu s1c63000 rom 4,096 words
s1c63654 technical manual epson 3 chapter 1: outline 1.3 pin layout diagram qfp15-100pin 51 75 26 50 index 25 1 100 76 no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 no. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 no. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 no. 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 pin name ca cb v c1 v c2 v c3 v ssa rfout rfin0 rfin1 ref0 sen0 ref1 sen1 hud v dda cc cd v d2 v dd v osc osc1 osc2 v d1 osc3 osc4 pin name v ss test reset n.c. n.c. seg16 seg17 seg18 seg19 seg20 seg21 seg22 seg23 seg24 seg25 seg26 seg27 seg28 seg29 seg30 seg31 n.c. n.c. n.c. com3 pin name com4 com5 v dd k00 k01 k02 k03 k10 k11 k12 k13 p00 p01 p02 p03 p10 p11 p12 p13 r00 r01 r02 r03 bz v ss pin name n.c. n.c. n.c. n.c. seg0 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg11 seg12 seg13 seg14 seg15 n.c. n.c. com0 com1 com2 n.c. : no connection fi g. 1.3.1 pin layout diagram
4 epson s1c63654 technical manual chapter 1: outline 1.4 pin description t able 1.4.1 pin description pin name v dd v ss v dda v ssa v d1 v d2 v osc v c1 ? c3 ca, cb cc, cd osc1 osc2 osc3 osc4 k00?03 k10?13 p00?03 p10 p11 p12 p13 r00 r01 r02 r03 com0?om5 seg0?eg31 sen0 sen1 ref0 ref1 hud rfin0 rfin1 rfout bz reset test function power (+) supply pin power (? supply pin analog system power (+) supply pin (=v dd ) analog system power (? supply pin (=v ss ) internal logic system regulated voltage output pin 1/2v dd voltage halver output pin oscillation system regulated voltage output pin lcd system power supply pin lcd system voltage booster capacitor connecting pin voltage halver capacitor connecting pin crystal oscillation input pin crystal oscillation output pin ceramic or cr oscillation input pin (selected by mask option) ceramic or cr oscillation output pin (selected by mask option) input port pins input port pins i/o port pins i/o port or serial i/f data input pin (selected by software) i/o port or serial i/f data output pin (selected by software) i/o port or serial i/f clock i/o pin (selected by software) i/o port or serial i/f ready signal output pin (selected by software) output port pin output port pin output port or tout output pin (selected by software) output port or fout output pin (selected by software) lcd common output pin (1/3, 1/4, 1/5 or 1/6 duty is selectable by software) lcd segment output pin r/f converter ch. 0 cr oscillation output pin r/f converter ch. 1 cr oscillation output pin r/f converter ch. 0 reference resistor cr oscillation output pin r/f converter ch. 1 reference resistor cr oscillation output pin r/f converter ac-bias oscillation output pin for humidity sensor r/f converter ch. 0 cr oscillation input pin r/f converter ch. 1 cr oscillation input pin r/f converter oscillation frequency output pin sound output pin initial reset input pin testing input pin i/o i o i o i i i/o i/o i/o i/o i/o o o o o o o o o o o o i i o o i i pin no. 19, 53 26, 75 15 6 23 18 20 3? 1, 2 16, 17 21 22 24 25 54?7 58?1 62?5 66 67 68 69 70 71 72 73 98?00, 50?2 80?5, 31?6 11 13 10 12 14 8 9 7 74 28 27
s1c63654 technical manual epson 5 chapter 1: outline 1.5 mask option mask options shown below are provided for the s1c63654. several hardware specifications are prepared in each mask option, and one of them can be selected according to the application. the function option generator winfog and segment option generator winsog, that have been prepared as the development software tool of s1c63654, are used for this selection. mask pattern of the ic is finally generated based on the data created by winfog and winsog. refer to the "s5u1c63000a manual" for winfog and winsog. (1) osc1 oscillation circuit the osc1 oscillation circuit is fixed at crystal oscillation. refer to section 4.4.2, "osc1 oscillation circuit", for details. (2) osc3 oscillation circuit the osc3 oscillator type can be selected from ceramic oscillation, cr oscillation (external r) and cr oscillation (built-in r). refer to section 4.4.3, "osc3 oscillation circuit", for details. (3) input port pull-down resistor the mask option is used to select whether the pull-down resistor is supplemented to the input ports or not. it is possible to select for each bit of the input ports. refer to section 4.5.3, "mask option", for details. (4) reset terminal pull-down resistor the mask option is used to select whether the pull-down resistor is supplemented to the reset terminal or not. refer to section 2.2.1, "reset terminal (reset)", for details. (5) i/o port pull-down resistor the mask option is used to select whether the pull-down resistor working in the input mode is supplemented to the i/o ports or not. it is possible to select for each bit of the input ports. refer to section 4.7.2, "mask option", for details. (6) output specification of the output port either complementary output or p-channel open drain output can be selected as the output specifica- tion for the output ports r00?03. the selection is done in 1-bit units. refer to section 4.6.2, "mask option", for details. (7) output specification of the i/o port for the output specification when the i/o ports p00?03 and p10?13 are in the output mode, either complementary output or p-channel open drain output can be selected in 1-bit units. refer to section 4.7.2, "mask option", for details. (8) external reset by simultaneous high input to the input port (k00?03) this function resets the ic when several keys are pressed simultaneously. the mask option is used to select whether this function is used or not. further when the function is used, a combination of the input ports (k00?03), which are connected to the keys to be pressed simultaneously, can be selected. refer to section 2.2.2, "simultaneous high input to terminals k00?03", for details. (9) time authorize circuit for the simultaneous high input reset function when the external reset function (shown in 8 above) is used, the time authorize circuit is enabled. the r eset function works only when the input time of simultaneous low is more than the rule time if the time authorize circuit is being used. when the external reset function is not used, the time authorize circuit cannot be used. refer to section 2.2.2, "simultaneous high input to terminals k00?03", for details.
6 epson s1c63654 technical manual chapter 1: outline (10) synchronous clock polarity in the serial interface the polarity of the synchronous clock sclk and the srdy signal in slave mode of the serial interface is selected by mask option. either positive polarity or negative polarity can be selected. refer to section 4.12.2, "mask option", for details. (11) lcd drive power either the internal power supply or an external power supply can be selected for driving lcd. refer to section 4.8.2, "power supply for lcd driving", for details. (12) lcd segment specification the display memory can be allocated to the optional seg terminal. it is also possible to set the optional seg terminal for dc output. refer to section 4.8.5, "segment option", for details.
s1c63654 technical manual epson 7 chapter 1: outline

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