seiko epson corporation 1 pf916-02 E0C623B 4-bit single chip microcomputer low voltage operation products l 4-bit core cpu l low operating voltage (0.8v) l built-in lcd driver l serial interface n description the E0C623B is a single-chip microcomputer for battery-driven products with 7-segment lcd display. it achieves low cost performance, and is suitable for a product added some feature instead of standard ic. it consists that seiko epson's original core cpu e0c6200b, lcd driver (20 4), 96 words ram, 1,536 words rom. n features l cmos lsi ............................................. 4-bit parallel processing l clock ..................................................... 32.768khz (crystal at 1.5v) 65khz (cr at 1.5v) 250 to 500khz (cr at 3.0v) 400 to 1000khz (ceramic at 3.0v) l instruction set ........................................ 100 instructions l instruction cycle time ............................ 153sec, 214sec or 366sec (32khz) 5sec, 7sec or 12sec (1mhz) l rom capacity ....................................... 1,536 12 bits l ram capacity ........................................ 96 4 bits l input port ............................................... 4 bits (pull-up resistors are available by mask option) l output port ............................................ 4 bits (nch open drain available) l i/o port .................................................. 4 bits (nch open drain available) l supply voltage detection (svd) circuit .. 1.15v 0.1v (1.5v) / 2.2v 0.2v (3.0v) l clock timer ............................................ 1 ch. l stopwatch timer .................................... 1 ch. l lcd driver ............................................. 20 segments 4/3 commons (qfp) 26 segments 4/3 commons (die) l serial interface ...................................... 1 ch. (clock synchronous type) l interrupts ............................................... external : key interrupt 1 line internal : timer interrupt 2 lines serial interface interrupt 1 line l suppry voltage ...................................... 0.8 to 3.6v (E0C623B) 1.7 to 3.6v (e0c62a3b) l current consumption ............................ halt mode : 2.5a (32.768khz crystal, 3.0v) operating mode : 3.0a (32.768khz crystal, 3.0v) l package ................................................ qfp12-48pin (plastic), qfp5-60pin (plastic) die form n line up model supply voltage 0.8v to 3.6v 1.7v to 3.6v E0C623B e0c62a3b clock 32.768khz crystal or 65khz cr 250k~500khz cr or 400k~1mhz ceramic
2 E0C623B n block diagram n pin configuration qfp5-60pin 25 36 13 24 index 12 1 48 37 E0C623B 36 54 24 35 index 23 6 5 55 29 1 30 60 E0C623B 1 2 3 4 5 6 7 8 9 10 11 12 com2 com3 seg0 seg1 seg2 seg3 seg4 seg6 seg8 seg9 seg10 seg11 no. pin name 13 14 15 16 17 18 19 20 21 22 23 24 seg12 seg13 seg14 seg15 seg16 seg17 seg18 seg19 test p03 p02 p01 no. pin name 25 26 27 28 29 30 31 32 33 34 35 36 p00 n.c. reset k00 k01 k02 k03 r00 r01 r02 r03 v ss n.c. = no connection no. pin name 37 38 39 40 41 42 43 44 45 46 47 48 v dd osc1 osc2 v d1 ca cb n.c. v c1 v c2 v c3 com0 com1 no. pin name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 v c2 v c3 com0 com1 com2 com3 seg0 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 no. pin name 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 seg9 seg10 seg11 seg12 seg13 seg14 seg15 seg16 seg17 seg18 seg19 seg20 seg21 seg22 seg23 no. pin name 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 seg24 seg25 test p03 p02 p01 p00 n.c. n.c. n.c. n.c. n.c. reset k00 k01 n.c. = no connection no. pin name 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 k02 k03 r00 r01 r02 r03 n.c. v ss v dd osc1 osc2 v d1 ca cb v c1 no. pin name qfp12-48pin osc1 osc2 com0~3 seg0~25(19) * 2 v dd v d1 v c1 ~ 3 ca, cb v ss k00~k03 test reset p00(sin, sin/sout) * 1 p01(sout, mode, i) * 1 p02(sclk) * 1 p03(srdy, i) * 1 r00(fout, buzzer) * 1 r01(buzzer) * 1 r02, r03 * 1: terminal specifications can be selected by mask option. * 2: seg0 to 4, 6 and 8 to 19 are only available in the qfp12-48pin package. core cpu e0c6200b rom 1,536 words 12 bits system reset control interrupt generator ram 96 words 4 bits lcd driver 26 seg 4 com power controller osc clock timer stopwatch timer fout & buzzer input port serial interface i/o port output port
3 E0C623B n pin description v dd v ss v d1 v c1 v c2 v c3 ca, cb osc1 osc2 k00?03 p00 p01 p02 p03 r00 r01 r02, r03 seg0? seg5 seg6 seg7 seg8?9 seg20?5 com0? reset test pin name (i) (i) i o i i/o i/o i/o i/o o o o o o o o o o o i i in/out power supply pin (+) power supply pin (-) oscillation and internal logic system regulated voltage output pin lcd system regulated voltage output pin (approx. 1.05 v) lcd system booster voltage output pin (v c1 2) lcd system booster voltage output pin (v c1 3) boost capacitor connecting pin oscillation input pin (crystal, cr or ceramic * ) oscillation output pin (crystal, cr or ceramic * ) input port pin i/o port pin or serial i/f data input/output pin * i/o port pin, serial i/f data output pin or input-only pin * i/o port pin or serial i/f clock output pin * i/o port pin, serial i/f ready signal output pin or input-only pin * output port pin, buzzer or fout output pin * output port pin or buzzer output pin * output port pin lcd segment output pin or dc output pin * lcd segment output pin or dc output pin * (qfp5-60pin only) lcd segment output pin or dc output pin * lcd segment output pin or dc output pin * (qfp5-60pin only) lcd segment output pin or dc output pin * lcd segment output pin or dc output pin * (qfp5-60pin only) lcd common output pin initial reset input pin input pin for test qfp12-48pin 37 36 40 44 45 46 41, 42 38 39 28?1 25 24 23 22 32 33 34, 35 3? 8 9?0 47, 48, 1, 2 27 21 qfp5-60pin 54 53 57 60 1 2 58, 59 55 56 44?7 37 36 35 34 48 49 50, 51 7?1 12 13 14 15?6 27?2 3? 43 33 pin no. function * selected by mask option n electrical characteristics l absolute maximum ratings rating supply voltage input voltage (1) input voltage (2) permissible total output current * 1 operating temperature storage temperature soldering temperature / time permissible dissipation * 2 * 1: * 2: the permissible total output current is the sum total of the current (average current) that simultaneously flows from the outpu t pin (or is drawn in). in case of plastic package (qfp12-48pin). symbol v dd v i v iosc s i vdd topr tstg tsol p d value -0.5 to 7.0 -0.5 to v dd + 0.3 -0.5 to v d1 + 0.3 10 -20 to 70 -65 to 150 260 c, 10sec ( lead section ) 250 unit v v v ma c c mw (v ss =0v) l recommended operating conditions condition supply voltage oscillation frequency * 1: hvld = heavy load protection mode symbol v dd f osc remark E0C623B (crystal oscillation) E0C623B (crystal oscillation + hvld * 1 ) E0C623B (cr oscillation) E0C623B (cr oscillation + hvld * 1 ) e0c62a3b (cr oscillation) e0c62a3b (ceramic oscillation) E0C623B (crystal oscillation) E0C623B (cr oscillation) e0c62a3b (cr oscillation) e0c62a3b (ceramic oscillation) unit v v v v v v khz khz khz hz (ta=-20 to 70 c) max. 3.6 3.6 3.6 3.6 3.6 3.6 80 500 1m typ. 32.768 min. 1.1 0.8 1.1 0.8 1.7 1.7 30
4 E0C623B l dc characteristics unit v v v v a a a ma ma ma ma a a a a a a (unless otherwise specified: v dd =1.5v, v ss =0v, f osc =32.768khz, ta=25 c, v d1 /v c1 ? c3 are internal voltage , c 1 ? 5 =0.1 f) max. v dd v dd 0.1? dd 0.1? dd 0.5 0 -6 -0.3 -0.3 -10 -10 -100 typ. -10 min. 0.8? dd 0.9? dd 0 0 0 -0.5 -16 0.7 0.7 10 10 100 characteristic high level input voltage (1) high level input voltage (2) low level input voltage (1) low level input voltage (2) high level input current low level input current (1) low level input current (2) high level output current (1) high level output current (2) low level output current (1) low level output current (2) common output current segment output current (during lcd output) segment output current (during dc output) symbol v ih1 v ih2 v il1 v il2 i ih i il1 i il2 i oh1 i oh2 i ol1 i ol2 i oh3 i ol3 i oh4 i ol4 i oh5 i ol5 v ih =1.5v v il1 =v ss no pull up v il2 =v ss with pull up v oh1 =0.9? dd v oh2 =0.9? dd v ol1 =0.1? dd v ol2 =0.1? dd v oh3 =v c3 -0.05v v ol3 =v ss +0.05v v oh4 =v c3 -0.05v v ol4 =v ss +0.05v v oh5 =0.9? dd v ol5 =0.1? dd condition k00?03, p00?03 reset, test k00?03, p00?03 reset, test k00?03, p00?03, reset, test k00?03, p00?03 reset, test k00?03, p00?03 reset, test r00?03, p00?03 bz, bz, fout r00?03, p00?03 bz, bz, fout com0?om3 seg0?eg25 seg0?eg25 unit v v v v a a a ma ma ma ma a a a a a a (unless otherwise specified: v dd =3.0v, v ss =0v, f osc =32.768khz, ta=25 c, v d1 /v c1 ? c3 are internal voltage , c 1 ? 5 =0.1 f) max. v dd v dd 0.1? dd 0.1? dd 0.5 0 -12 -1.5 -1.5 -10 -10 -300 typ. -20 min. 0.8? dd 0.9? dd 0 0 0 -0.5 -32 6 6 10 10 300 characteristic high level input voltage (1) high level input voltage (2) low level input voltage (1) low level input voltage (2) high level input current low level input current (1) low level input current (2) high level output current (1) high level output current (2) low level output current (1) low level output current (2) common output current segment output current (during lcd output) segment output current (during dc output) symbol v ih1 v ih2 v il1 v il2 i ih i il1 i il2 i oh1 i oh2 i ol1 i ol2 i oh3 i ol3 i oh4 i ol4 i oh5 i ol5 v ih =3.0v v il1 =v ss no pull up v il2 =v ss with pull up v oh1 =0.9? dd v oh2 =0.9? dd v ol1 =0.1? dd v ol2 =0.1? dd v oh3 =v c3 -0.05v v ol3 =v ss +0.05v v oh4 =v c3 -0.05v v ol4 =v ss +0.05v v oh5 =0.9? dd v ol5 =0.1? dd condition k00?03, p00?03 reset, test k00?03, p00?03 reset, test k00?03, p00?03, reset, test k00?03, p00?03 reset, test k00?03, p00?03 reset, test r00?03, p00?03 bz, bz, fout r00?03, p00?03 bz, bz, fout com0?om3 seg0?eg25 seg0?eg25 l analog circuit characteristics and current consumption lcd drive voltage unit v v v (unless otherwise specified: v dd =3.0v, v ss =0v, f osc =32.768khz, ta=25 c, v d1 /v c1 ? c3 are internal voltage , c 1 ? 5 =0.1 f) max. 1.15 2? c1 +0.1 3? c1 +0.1 typ. 1.05 min. 0.95 2? c1 0.9 3? c1 0.9 characteristic lcd drive voltage symbol v c1 v c2 v c3 condition connect 1m w load resistor between v ss and v c1 (no panel load) connect 1m w load resistor between v ss and v c2 (no panel load) connect 1m w load resistor between v ss and v c3 (no panel load)
5 E0C623B current consumption * 1: hvld = heavy load protection mode unit a a a a a a a a a a a a a a a (unless otherwise specified: v dd =3.0v, v ss =0v, ta=25 c, v d1 /v c1 ? c3 are internal voltage , c 1 ? 5 =0.1 f, no panel load) max. 5.0 9.0 6.0 10.0 110 200 6.0 10.0 7.0 11.0 120 200 1.0 1.0 1.0 typ. 2.5 6.5 3.0 7.0 55 80 3.0 7.0 3.5 7.5 60 100 min. characteristic current consumption symbol i op condition halt 623b crystal oscillation (32.768khz) mode 623b crystal oscillation (32.768khz)+hvld * 1 623b cr oscillation (40khz) 623b cr oscillation (40khz)+hvld * 1 62a3b cr oscillation (250khz) 62a3b ceramic oscillation (1mhz) run 623b crystal oscillation (32.768khz) mode 623b crystal oscillation (32.768khz)+hvld * 1 623b cr oscillation (40khz) 623b cr oscillation (40khz)+hvld * 1 62a3b cr oscillation (250khz) 62a3b ceramic oscillation (1mhz) sleep 623b cr oscillation mode 62a3b cr oscillation 62a3b ceramic oscillation l ac characteristics serial interface ? master mode 1 characteristic transmit data output delay time receive data input set-up time receive data input hold time symbol t smd t sms t smh unit s s s max. 5 typ. min. 10 5 (unless otherwise specified: v dd =1.5v, v ss =0v, f osc =32.768khz, v ih1 =0.8v dd , v il1 =0.2v dd , v oh =0.8v dd , v ol =0.2v dd , ta=-20 to 70 c) ?master mode 2 characteristic transmit data output delay time receive data input set-up time receive data input hold time symbol t smd t sms t smh unit ns ns ns max. 300 typ. min. 200 200 (unless otherwise specified: v dd =3.0v, v ss =0v, f osc =1mhz, v ih1 =0.8v dd , v il1 =0.2v dd , v oh =0.8v dd , v ol =0.2v dd , ta=-20 to 70 c) sclk out sout sin v oh v oh v ol t sms t smh t smd v ih1 v il1 v ol ? slave mode 1 characteristic transmit data output delay time receive data input set-up time receive data input hold time symbol t ssd t sss t ssh unit s s s max. 5 typ. min. 10 5 (unless otherwise specified: v dd =1.5v, v ss =0v, f osc =32.768khz, v ih1 =0.8v dd , v il1 =0.2v dd , v oh =0.8v dd , v ol =0.2v dd , ta=-20 to 70 c) ?slave mode 2 characteristic transmit data output delay time receive data input set-up time receive data input hold time symbol t ssd t sss t ssh unit ns ns ns max. 300 typ. min. 200 200 (unless otherwise specified: v dd =3.0v, v ss =0v, f osc =1mhz, v ih1 =0.8v dd , v il1 =0.2v dd , v oh =0.8v dd , v ol =0.2v dd , ta=-20 to 70 c) sclk in sout sin v ih1 v oh v ol t sss t ssh t ssd v ih1 v il1 v il1
6 E0C623B reset input characteristic reset input time symbol t sr unit ms max. typ. min. 5.0 (unless otherwise specified: v dd =1.5/3.0v, v ss =0v, v ih =0.5v dd , v il =0.1v dd , ta=-20 to 70 c) reset t sr v il v ih power-on reset characteristic operating supply voltage reset input time symbol vsr t sr unit v ms max. typ. min. 0.8? dd 5.0 (unless otherwise specified: v dd =1.5/3.0v, ta=-20 to 70 c) v dd reset t psr vsr 0.5v dd 0.1v dd power-on v dd reset v ss * 2 * 1 * 1 when the built-in pull-up resistor is not used. * 2 because the potential of the reset terminal not reached v dd level or higher. l oscillation characteristics oscillation characteristics will vary according to different conditions (elements used, board pattern). use the following characteristics are as reference values. cr oscillation frequency characteristics (reference value) E0C623B e0c62a3b 100k 200k 500k 1m 2m 20k 10k 50k 100k 200k resistance for cr oscillation r cr [ w ] cr oscillation frequency f osc [hz] 300k 400k ta = 25 c typ. value 10k 20k 50k 100k 200k 200k 100k 500k 1m 2m 30k 40k resistance for cr oscillation r cr [ w ] cr oscillation frequency f osc [hz] ta = 25 c typ. value
7 E0C623B crystal oscillation unit v v v v pf ppm ppm ppm ppm v m w (unless otherwise specified: v dd =3.0v, v ss =0v, f osc =32.768khz, crystal: c-002r (c i =35k w ), c g =25pf, c d =built-in, ta=25 c) max. 5 5 10 typ. 14 40 min. 0.8 1.1 0.8 1.1 -10 30 3.6 200 characteristic oscillation start voltage oscillation stop voltage built-in capacitance (drain) frequency/voltage deviation frequency/ic deviation frequency adjustment range harmonic oscillation start voltage permitted leak resistance symbol vsta vstp c d ? f/ ? v ? f/ ? ic ? f/ ? c g v hho r leak condition t sta 3sec ( heavy load protection mode on ) t sta 3sec ( heavy load protection mode off ) t stp 10sec ( heavy load protection mode on ) t stp 10sec ( heavy load protection mode off ) including the parasitic capacitance inside the ic (in chip) v dd =0.8 to 3.6v ( heavy load protection mode on ) v dd =1.1 to 3.6v ( heavy load protection mode off ) c g =5 to 25pf c g =5pf ( v dd ) between osc1 and v dd , v ss cr oscillation unit % % % v v ms v v (unless otherwise specified: v dd =3.0v, v ss =0v, r cr =1m w , ta=25 c) max. +20 +20 +30 3 typ. 40khz 40khz 500khz min. -20 -20 -30 0.8 1.7 0.8 1.7 characteristic oscillation frequency dispersion oscillation start voltage oscillation start time oscillation stop voltage symbol ? f osccr vsta t sta vstp condition 623b (heavy load protection on, v dd =0.8 to 3.6v) 623b (heavy load protection off, v dd =1.1 to 3.6v) 62a3b (v dd =1.7 to 3.6v) 623b 62a3b 623b 62a3b ceramic oscillation unit v ms (unless otherwise specified: v dd =3.0v, v ss =0v, ceramic oscillator: csa1.0mg, c gc =c dc =100pf, ta=25 c) max. 20 typ. min. 1.7 characteristic oscillation start voltage oscillation start time symbol vsta t sta condition n package dimensions 20 0.1 25.6 0.4 36 54 14 0.1 19.6 0.4 24 35 index 0.35 0.1 23 6 5 55 2.7 0.1 0.26 2.8 1.5 0 12 0.15 0.05 29 1 30 60 1 3.4 max 7 0.1 9 0.4 25 36 7 0.1 9 0.4 13 24 index 0.18 12 1 48 37 1.4 0.1 0.1 1.7 max 1 0.5 0.2 0 10 0.125 0.05 0.5 +0.1 ?.05 plastic qfp12-48pin plastic qfp5-60pin unit: mm
E0C623B notice: no part of this material may be reproduced or duplicated in any form or by any means without the written permission of seiko ep son. 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 product or circuit and, further, there is n o representation that this material is applicable to products requiring high level reliability, such as, medical products. moreover, no license to an y intellectual property rights is granted by implication or otherwise, and there is no representation or warranty that anything made in accord ance 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 control law of japan and may require an export license from the ministry of international trade and industry or other approval from another government agency. ? seiko epson corporation 1999 all right reserved. seiko epson corporation electronic devices marketing division ic marketing & engineering group ed international marketing department i (europe & u.s.a.) 421-8, hino, hino-shi, tokyo 191-8501, japan phone : 042-587-5812 fax : 042-587-5564 ed international marketing department ii (asia) 421-8, hino, hino-shi, tokyo 191-8501, japan phone : 042-587-5814 fax : 042-587-5110 note: the above table is simply an example, and is not guaranteed to work. n basic external connection diagram c 1 c 2 c 3 c 4 c 5 c gx x'tal 1.5 v (E0C623B) 3.0 v (e0c62a3b) piezo buzzer r01 k00 k03 p00 p03 r00 r02 r03 i i/o o seg0 seg19 (seg25) com0 com3 lcd panel E0C623B e0c62a3b coil ca cb v dd v d1 v c1 v c2 v c3 osc1 osc2 reset v ss test cp * 1 * 1 crystal oscillation (E0C623B) * 2 cr oscillation (E0C623B/62a3b) * 3 ceramic oscillation (e0c62a3b) * 2 c gc c dc r cr cr * 3 x'tal c gx r cr cr c gc c dc c 1 ? 5 cp crystal oscilator trimmer capacitor resistor for cr oscillation ceramic oscillator capacitor capacitor capacitor capacitor 32.768 khz, c i (max.)=35 k w 5~25 pf 1 m w 1 mhz 100 pf 100 pf 0.1 f 3.3 f [the potential of the substrate (back of the chip) is v ss .]
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