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t echnical manual cmos 4 - bit single chip microcomputer s1c63808
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 economy, trade and industry or other approval from another government agency. ? sei ko epson corporation 2007, all rights reserved.
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

s1c63808 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 ____________________________ 8 2.1 power supply ................................................................................................ 8 2.1.1 voltage regulator for osc1 oscillation cir cuit .......................................... 8 2.1.2 voltage regulator for the internal lo gic system ......................................... 8 2.1.3 epd system volta ge circuit ........................................................................ 8 2.2 initial reset ................................................................................................... 9 2.2.1 reset terminal (reset) ............................................................................. 9 2.2.2 simultaneous high input to term inals k00? 03 ...................................... 10 2.2.3 oscillation-detect cir cuit ........................................................................... 10 2.2.4 internal register at initial r esetting ........................................................... 10 2.2.5 terminal settings at initial r esetting ......................................................... 11 2.3 test t erminal (test) ................................................................................... 11 chapter 3 cpu, rom, ram ________________________________________ 12 3. 1 cpu .............................................................................................................. 12 3.2 code ro m .................................................................................................... 12 3. 3 ram ............................................................................................................. 12 chapter 4p eripheral c ircuits and o peration __________________________ 14 4.1 memory map ................................................................................................ 14 4. 2w at ch do g ti me r ........................................................................................... 22 4.2.1 configuration of watchdog timer .............................................................. 22 4.2.2 interrupt function ...................................................................................... 22 4.2.3 i/o memory of w atchdog tim er ................................................................. 23 4.2.4 progr amming notes ................................................................................... 23 4.3 oscillation ci rc uit ....................................................................................... 24 4.3.1 configuration of oscillation ci r cuit .......................................................... 24 4.3.2 osc1 oscillation cir cuit ............................................................................ 24 4.3.3 osc3 oscillation cir cuit ............................................................................ 25 4.3.4 switching of cpu clock ............................................................................ 26 4.3.5 clock frequency and instruction execution tim e ....................................... 26 4.3.6 i/o memory of oscillation cir cuit .............................................................. 27 4.3.7 progr amming notes ................................................................................... 27 4.4 input ports (k00? 03 and k10? 13) ......................................................... 28 4.4.1 configuration of input ports ..................................................................... 28 4.4.2 interrupt function ...................................................................................... 28 4.4.3 mask option ............................................................................................... 29 4.4.4 i/o memory of input ports ......................................................................... 30 4.4.5 progr amming notes ................................................................................... 32
ii epson s1c63808 technical manual contents 4.5 output ports (r00?03 and r10?13) ....................................................... 33 4.5.1 configuration of output ports ................................................................... 33 4.5.2 mask option ............................................................................................... 33 4.5.3 high impedance control ............................................................................ 34 4.5.4 special output ............................................................................................ 34 4. 5. 5 i/o me mo ry of out put po rts ....................................................................... 36 4.5.6 progr amming notes ................................................................................... 38 4.6 i/o ports (p00?03, p10?13, p20?23, p30?33 and p40?43) .......... 39 4.6.1 configuration of i/o ports ........................................................................ 39 4.6.2 mask option ............................................................................................... 40 4.6.3 i/o control register s and input/out put mode ............................................ 40 4.6.4 pull-down during input mode ................................................................... 40 4.6.5 i/o memory of i/o ports ............................................................................ 41 4.6.6 progr amming not e ..................................................................................... 44 4.7 clock t imer .................................................................................................. 45 4.7.1 configuration of clock tim er ..................................................................... 45 4.7.2 data reading and hold function ................................................................ 45 4.7.3 interrupt function ...................................................................................... 46 4.7.4 i/o memory of clock tim er ........................................................................ 47 4.7.5 progr amming notes ................................................................................... 48 4.8 stopwatch ti mer ........................................................................................... 49 4.8.1 configuration of stopw atch tim er ............................................................. 49 4.8.2 counter and pr escaler ............................................................................... 49 4.8.3 capture buffer and hold function .............................................................. 50 4.8.4 stopwatch timer r un/stop and r eset ..................................................... 51 4.8.5 direct input function and ke y mask .......................................................... 51 4.8.6 interrupt function ...................................................................................... 54 4.8.7 i/o memory of stopwatch tim er ................................................................ 56 4.8.8 progr amming notes ................................................................................... 59 4.9 programm able time r ................................................................................... 60 4.9.1 configuration of prog ra mmable tim er ...................................................... 60 4.9.2 basic count oper ation ............................................................................... 61 4.9.3 setting the input clock ............................................................................... 62 4.9.4 event counter mode (timer 0) ................................................................... 62 4.9.5 16-bit timer (ti mer 0 + ti mer 1) ................................................................ 63 4.9.6 interrupt function ...................................................................................... 64 4.9.7 control of t out output ............................................................................ 64 4.9.8 transfer rate setting for serial interface ................................................... 65 4.9.9 i/o memory of pr ogrammable timer ......................................................... 66 4.9.10 programm ing notes ................................................................................. 71 4.10 serial interface ............................................................................................ 72 4.10.1 configuration of serial interface ............................................................ 72 4.10.2 mask option ............................................................................................. 73 4.10.3 transfer m odes ........................................................................................ 73 4.10.4 clock sour ce ............................................................................................ 75 4.10.5 transmit-recei ve contro l ......................................................................... 76 4.10.6 operation of clock synchronous tr ansfer ................................................ 77 4.10.7 operation of asynchronous tr ansfer ....................................................... 82 4.10.8 interrupt function .................................................................................... 87 4.10.9 i/o memory of seri al int erface ................................................................ 89 4.10.10 programm ing notes ............................................................................... 96
s1c63808 technical manual epson iii contents 4.11 sound g enerator .......................................................................................... 97 4.11.1 configuration of sound gener ator .......................................................... 97 4.11.2 control of b uzzer output .......................................................................... 97 4.11.3 setting of buzzer frequency and sound le vel ........................................... 98 4. 11. 4 di g ita l en vel ope ...................................................................................... 99 4.11.5 one-shot output ...................................................................................... 100 4.11.6 i/o memory of sound gener ator ............................................................. 101 4.11.7 program ming notes ................................................................................ 103 4.12 integer multiplier ........................................................................................ 104 4.12.1 configuration of inte g er multiplier ........................................................ 104 4.12.2 multiplication m ode ............................................................................... 104 4.12.3 div ision mode ......................................................................................... 105 4.12.4 execution cycle ....................................................................................... 106 4.12.5 i/o memory of in teger multip lier ........................................................... 107 4.12.6 progr amming note .................................................................................. 108 4.13 svd (supply voltage detection) cir cuit ..................................................... 109 4.13.1 configuration of svd circuit ................................................................. 109 4.13.2 svd oper ation ........................................................................................ 109 4.13.3 i/o memory of svd cir cuit ..................................................................... 110 4.13.4 program ming notes ................................................................................ 111 4.14 power supply for epd driver ic (v c1 ? c3 ) ............................................. 112 4.14.1 configuration of epd system voltage circuit ........................................ 112 4.14.2 mask option ............................................................................................ 112 4.14.3 turning epd system volta ge circuit on and off ..................................... 112 4.14.4 adjustment of epd driver voltages ....................................................... 113 4.14.5 i/o memory of power supply for epd driver ic ................................... 114 4.14.6 progr amming note .................................................................................. 115 4.15 interrupt and halt .................................................................................... 116 4.15.1 interrupt factor ....................................................................................... 118 4.15.2 interrupt mask ........................................................................................ 119 4.15.3 interrupt vector ...................................................................................... 119 4.15.4 i/o memo ry of interrupt ......................................................................... 120 4.15.5 program ming notes ................................................................................ 121 chapter 5s ummary of n o tes ______________________________________ 122 5.1 notes for low curre nt consump tion .......................................................... 122 5.2 summary of notes by function ................................................................... 123 5.3 precautions on mounting ........................................................................... 127 chapter 6b asic e xternal w iring d iagram ___________________________ 129 chapter 7e lectrical c haracteristics _______________________________ 130 7.1 absolute maximum rating .......................................................................... 130 7.2 recommended operati ng conditi ons ......................................................... 130 7.3 dc char acteristics ..................................................................................... 130 7.4 analog circuit characteris tics and power current consumptio n ............ 131 7.5 oscillation char acteristics ......................................................................... 133 7.6 serial interface ac characteristics ........................................................... 135 7.7 timing chart ............................................................................................... 136
iv epson s1c63808 technical manual contents chapter 8p a ckage _______________________________________________ 137 8.1 plastic pack age ........................................................................................... 137 8.2 ceramic packag e for test samples ............................................................. 138 chapter 9p ad l ay out ____________________________________________ 139 9.1 diagram of p ad layout ............................................................................... 139 9.2 pad coordi nates .......................................................................................... 140 appendix p eripheral c ircuit b o ards for s1c63808 ____________________ 141 a.1 names and functions of each p art ............................................................ 141 a.2 connecting to the ta rg et system ................................................................ 144 a.3 downloading to s5u1c63000p1 ............................................................... 146 a.3.1 downloading circuit data 1 ?when new ice (s5u1c63000h2) is used ............................................ 146 a.3.2 downloading circuit data 2 ?when pre vious ice (s5u1c630 00h1) is u sed .................................... 146 a.4 usage precautions ...................................................................................... 147 a.4.1 operational precautions .......................................................................... 147 a.4.2 differences with the actual ic ................................................................. 147 a.5 product specifications ................................................................................ 149
s1c63808 technical manual epson 1 chapter 1: outline chapter 1o utline the s1c63808 is a microcomputer which has a high-performance 4-bit cpu s1c63000 as the core cpu, rom (8,192 words 13 bits), ram (2,048 words 4 bits), multiply-divide circuit, serial interface (2 ports), watchdog timer, programmable timer, time base counters (2 systems), and sound generator built-in. the s1c63808 features low current consumption, this makes it suitable for battery driven portable equipment such as clocks and watches. 1.1 features osc1 oscillation circui t ...................... 32.768 khz (typ.) crystal oscillation circuit osc3 oscillation circui t ...................... 4 mhz (typ.) ceramic, 1.1 mhz (typ.) cr (external r) or 200 khz (typ.) cr (built-in r) 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: 8,192 words 13 bits ram capacity ...................................... data memory: 2,048 words 4 bits input por t ............................................. 8 bits (pull-down resistors may be supplemented ? 1) out put por t .......................................... 8 bits (it is possible to switch the 3 bits to special output ? 2) i/o por t ................................................ 20 bits (it is possible to switch the 8 bits to serial i/f input/output ? 2) ser ia l in te rf ace .................................... 2 ports(clock synchronous system or asynchronous system with lsb first or msb first transfer selectable ? 2) time base counter .............................. clock timer stopwatch timer (1/1000 sec, with direct key input function) p rog rammable timer ........................... 8 bits 2 ch. or 16 bits 1 ch. with event counter function (k13) ( ? 2) w atchdog tim er ................................... built-in sound gener ator ................................. w ith envelope and 1-shot output functions multiply-divi de circui t .......................... 8-bit accumulator 1 ch. multiplication: 8 bits 8 bits 16-bit product division: 16 bits 8 bits 8-bit quotient and 8-bit remainder supply voltage detection (svd) circuit .. 8 criteria voltages (1.05?.50 v or 1.70?.90 v are selectable ? 2) epd driver ic power supply circuit ....... v c1 = 1.03?.23 v ( ? 2), v c2 = 2v c1 , v c3 = 3v c1 (1/3 bias ? 1) or v c1 = 1.08?.84 v ( ? 2), v c2 = 2v c1 , v c3 = v ss (1/2 bias ? 1) 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: 2 systems serial interface interrupt: 6 systems po w er supply v oltage .......................... 1.0 to 3.6 v (when cr (built-in r) oscillation circuit is selected) 2.1 to 3.6 v (when cr (external r) or ceramic oscillation circuit is selected) operating temper ature r ange ............. -20 to 70? current consumpti on (typ .) ................ low-speed operation (osc1 = 32 khz crystal oscillation, epd driver ic power supply off): during halt 3.0 v 0.23 ? during operation 3.0 v 1.90 ? high-speed operation (osc3, epd driver ic power supply on): during operation (4 mhz) 3.0 v 850 ? pa ckage .............................................. qfp13-64pin (plastic) or chip ? 1: can be selected with mask option ? 2: can be selected with software
2 epson s1c63808 technical manual chapter 1: outline 1.2 block diagram osc1 osc2 osc3 osc4 k00?03 k10?13 test reset p00?03 p10?13 p20?23 p30?33 p40?43 r00?03 r10?13 v dd v d1 v osc v c1 ? c3 ca?b v ss core cpu s1c63000 rom 8,192 words 13 bits system reset control interrupt generator osc ram 2,048 words 4 bits power controller svd serial interface sound generator clock timer stopwatch timer programmable timer/counter input port i/o port output port fi g. 1.2.1 block diagram
s1c63808 technical manual epson 3 chapter 1: outline 1.3 pin layout diagram qfp13-64pin 33 48 17 32 index 16 1 64 49 no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 no. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 no. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 no. 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 pin name n.c. p10/sin1 p11/sout1 p12/sclk1 p13/srdy1 p20/sin2 p21/sout2 p22/sclk2 p23/srdy2 p30 p31 p32 p33 p40 p41 n.c. pin name p42 p43 test reset n.c. v dd v osc osc1 osc2 v d1 osc3 osc4 v ss v c1 n.c. n.c. pin name v c2 v c3 cb ca k00 k01 k02 k03 k10 k11 k12 k13 n.c. n.c. v dd n.c. pin name n.c. n.c. n.c. v ss r00 r01/bz r02/tout r03/fout r10 r11 r12 r13 p00 p01 p02 p03 n.c. : no connection fi g. 1.3.1 pin layout diagram (qfp13-64pin)
4 epson s1c63808 technical manual chapter 1: outline 1.4 pin description t able 1.4.1 pin description pin name v dd v ss v d1 v osc v c1 ? c3 ca, cb osc1 osc2 osc3 osc4 k00?03 k10?13 r00 r01 r02 r03 r10?13 p00?03 p10 p11 p12 p13 p20 p21 p22 p23 p30?33 p40?43 reset test function power (+) supply pin power (? supply pin internal logic system regulated voltage output pin oscillation system regulated voltage output pin epd system power supply pins epd system voltage booster capacitor connecting pins 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 output port pin output port or bz output pin (selected by software) output port or tout output pin (selected by software) output port or fout output pin (selected by software) output port pins i/o port pins i/o port or serial i/f 1 data input pin (selected by software) i/o port or serial i/f 1 data output pin (selected by software) i/o port or serial i/f 1 clock i/o pin (selected by software) i/o port or serial i/f 1 ready signal output pin (selected by software) i/o port or serial i/f 2 data input pin (selected by software) i/o port or serial i/f 2 data output pin (selected by software) i/o port or serial i/f 2 clock i/o pin (selected by software) i/o port or serial i/f 2 ready signal output pin (selected by software) i/o port pins i/o port pins initial reset input pin testing input pin pin no. 22, 47 29, 52 26 23 30, 33, 34 36, 35 24 25 27 28 37?0 41?4 53 54 55 56 57?0 61?4 2 3 4 5 6 7 8 9 10?3 14, 15, 17, 18 20 19 i/o i o i o i i o o o o o i/o i/o i/o i/o i/o i/o i/o i/o i/o i/o i/o i i
s1c63808 technical manual epson 5 chapter 1: outline 1.5 mask option mask options shown below are provided for the s1c63808. 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, that has been prepared as the development software tool of s1c63808, is used for this selection. mask pattern of the ic is finally generated based on the data created by winfog. refer to the "s5u1c63000a manual" for winfog. (1) 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 4.3.3, "osc3 oscillation circuit", for details. (2) input port pull-down resistor the mask option is used to select whether the pull-down resistor is supplemented to the input ports kxx or not. it is possible to select for each bit of the input ports. refer to section 4.4.3, "mask option", for details. (3) 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. (4) 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 pxx or not. it is possible to select for each bit of the input ports. refer to section 4.6.2, "mask option", for details. (5) 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 rxx. the selection is done in 1-bit units. refer to section 4.5.2, "mask option", for details. (6) output specification of the i/o port for the output specification when the i/o ports pxx are in the output mode, either complementary output or p-channel open drain output can be selected in 1-bit units. refer to section 4.6.2, "mask option", for details. (7) 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. (8) synchronous clock polarity in the serial interface the polarity of the synchronous clock sclkx and the srdyx 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 4.10.2, "mask option", for details. (9) bias in the epd system voltage circuit either 1/2 bias or 1/3 bias can be selected to configure the outputs from the epd system voltage circuit. refer to section 4.14.2, "mask option", for details.
6 epson s1c63808 technical manual chapter 1: outline

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