seiko epson corporation 1 pf537-08 E0C621A 4-bit single chip microcomputer low voltage operation products l core cpu architecture l 32khz/455khz twin clock operation l svd circuit/analog comparator l watchdog timer n description the E0C621A is a cmos 4-bit microcomputer using an e0c6200a as its core processor. it contains rom, ram, lcd driver circuit, remote-control carrier output circuit, time base counter, analog comparator, watchdog timer and other functions on a single chip. the E0C621A provides an excellent solution for low-power system applications such as an infrared remote controller with clock function. one time prom version is available. n features l cmos lsi 4-bit parallel processing l twin clock ............................................. 32.768khz (typ.) crystal 455khz (typ.) cr or ceramic oscillation circuit (selectable by mask option) l instruction set ........................................ 100 instructions l instruction cycle time ............................ 32khz clock mode : 153 m sec, 214 m sec or 366 m sec 455khz clock mode : 11 m sec, 15 m sec or 26 m sec l rom capacity ....................................... 4,096 12 bits l ram capacity ........................................ 208 4 bits l input port ............................................... 8 bits (pull-up resistors are available by mask option) l output port ............................................ 9 bits (clock, buzzer output is available by mask option) l i/o port .................................................. 4 bits l remote control carrier (rem) ............... 1 bit (hardware timer or software timer is selectable by software) l lcd driver ............................................. 32 segments 3 commons or 32 segments 4 commons (1/3 or 1/4 duty is selectable by mask option) l built-in lcd power supplies .................. voltage regulator, voltage doubler and voltage tripler l built-in svd circuit ................................ 2.3v 0.1v (supply voltage detector) criteria voltage l built-in amplifier .................................... operational amplifier for mos input analog comparator l built-in watchdog timer (mask option) l interrupts ............................................... external : input interrupt 2 lines internal : timer interrupt (32hz, 8hz, 2hz) 1 line (3ch.) rem interrupt 1 line l supply voltage ...................................... 3.0v (2.2v to 3.5v) l current consumption ............................ halt mode (32.768khz) : 2 m a (typ.) operating mode (455khz) : 130 m a (typ.) l package ................................................ qfp5-80pin (plastic), qfp14-80pin (plastic) die form
2 E0C621A n block diagram n pin configuration qfp5-80pin 41 64 25 40 index 24 1 80 65 E0C621A power controller amp & svd interrupt generator input port test port i/o port output port timer rem r33 (rem) aout ampm ampp seg0~31 com0~3 p00~03 v dd v l1~3 v s1 v ss r00~03, r10~13, r20 test k00~03, k10~13 ca~cc v ram 208 words x 4 bits lcd driver adj osc4 osc3 osc2 osc1 reset rom 4,096 words x 12 bits osc system reset control core cpu e0c6200a rstout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 seg0 com3 com2 com1 no. pin name 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 com0 cc cb ca v l3 v l2 reset v adj v l1 r33 (rem) rstout ampp ampm aout v dd n.c. osc1 osc2 v ss osc3 no. pin name 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 osc4 v s1 r00 r01 r02 r03 r10 r11 r12 r13 r20 p00 p01 p02 p03 k00 k01 k02 k03 k10 n.c. = no connection no. pin name 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 k11 k12 k13 test n.c. seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg24 seg23 seg22 seg21 seg20 seg19 seg18 seg17 no. pin name
3 E0C621A n pin description v dd v ss v s1 v l1 v l2 v l3 v adj ca?c osc1 osc2 osc3 osc4 k00?3, k10?3 p00?3 r00?3, r10, r11 r12 r13 r20 r33(rem) ampp ampm aout seg0?1 com0? reset test rstout pin name i i i i o i o i i/o o o o o o i i o o o i i o in/out power source (+) terminal power source (-) terminal oscillation and internal logic system regulated voltage output terminal (approx. v dd -2.0 v) lcd system regulated voltage output terminal (approx. v dd -v l ) lcd system booster output terminal (v dd -2v l ) lcd system booster output terminal (v dd -3v l ) v l input adjustment terminal booster capacitor connecting terminal crystal oscillation input terminal crystal oscillation output terminal ceramic or cr oscillation input terminal ceramic or cr oscillation output terminal input terminal i/o terminal output terminal output terminal (dc, fout or bz output may be selected by mask option) output terminal (dc or bz output may be selected by mask option) output terminal remote control carrier output terminal analog comparator non-inverted input terminal analog comparator inverted input terminal analog comparator outout terminal lcd segment output terminal (convertible to dc output by mask option) lcd common output terminal initial reset input terminal test input terminal initial reset output terminal 35 39 42 29 26 25 28 22?4 37 38 40 41 56?3 52?5 43?8 49 50 51 30 32 33 34 1?7, 66?0 18?1 27 64 31 pin no. function n absolute maximum ratings n recommended operating conditions rating symbol unit value supply voltage input voltage operating temperature storage temperature soldering temperature and time power dissipation v ss v i v iosc topr tstg tsol p d v v v c c mw -5.2 to 0.5 v ss -0.3 to 0.3 v s1 -0.3 to 0.3 -20 to 70 -65 to 150 260 c, 10sec (at lead) 250 (v dd =0v) condition unit remark supply voltage oscillation frequency power supply voltage for lcd driver cr oscillation external resistor v ss f osc1 f osc3 v l1 r cr v khz khz v k w v dd = 0 v duty : 50 5% max. -2.2 600 500 typ. -3.0 32.768 455 -1.03 140 min. -3.5 50 -1.6 100 symbol (ta=-20 to 70 c)
4 E0C621A n electrical characteristics high level input voltage (1) low level input voltage (1) high level input voltage (2) low level input voltage (2) high level input current low level input current high level output current (1) low level output current (1) high level output current (2) low level output current (2) high level output current (3) low level output current (3) high level output current (4) low level output current (4) v v v v i i i i i i i i i i i i i i i i i i i i i v l1 v l2 v l3 v svd i op ih1 il1 ih2 il2 ih il1 il2 il3 il4 il5 il6 oh1 ol1 oh2 ol2 oh3 ol3 oh4 ol4 oh5 ol5 oh6 ol6 oh7 ol7 k00?03, k10?13, p00?03 k00?03, k10?13, p00?03 reset reset no pull up, k00?03, k10?13 pull up, k00?03, k10?13 reset pin pull up, k00?03, k10?13 reset pin p00?03 * r00?03, r10?13, rstout r00?03, r10?13, rstout r20 r20 p00?03 p00?03 r33 (rem) r33 (rem) com0?om3 seg0?eg31 seg0?eg31 v v v v v v v v v v v v v v v v v v v v v v adj = v l1 , i l1 = 5 a 1 m w load connected between v dd and v l2 1 m w load connected between v dd and v l3 halt mode osc1 mode * 1 osc3 mode * 1, * 2 oscc = 0, v adj = v l1 , no panel load oscc = 0, v adj = v l1 , no panel load v adj = v l1 , no panel load ih il1 il2 il3 il4 il5 il6 oh1 ol1 oh2 ol2 oh3 ol3 oh4 ol4 oh5 ol5 oh6 ol6 oh7 ol7 = v dd = v ss = v ss = v ss = 0.2v ss = 0.2v ss = v ss = 0.1v ss = 0.9v ss = 0.1v ss = 0.9v ss = 0.1v ss = 0.9v ss = 0.1v ss = 0.9v ss 0.2v ss v ss 0.1v ss v ss -1 -5 -5 -30 -40 -15 1.0 1.0 1.0 1.0 3.0 3.0 70 -1.11 2v l1 3v l1 -2.4 -1.03 -2.3 2 9 130 0 0.8v ss 0 0.9v ss 1 -0.35 -0.35 -2 -250 -1.8 -250 -1.8 -3.0 -3.0 -50 -0.95 2v l1 +0.1 3v l1 +0.3 -2.2 5 18 250 v v v v a a a a a a a a ma ma ma a ma ma ma a a a a a a v v v v a a a typ. max. unit min. condition symbol parameter common output current segment output current (in lcd output mode) segment output current (in dc output mode) internal voltage svd voltage current consumption * only at read cycle using internal program. * 1 the svd circuit and analog comparator are in the off status. * 2 osc3 mode: ceramic oscillation (455 khz) or cr oscillation (r = 140 k w ) = -0.05v = v l3 + 0.05v = -0.05v = v l3 + 0.05v = 0.1v ss = 0.9v ss (v dd =0v, v ss =-2.2 to -3.5v, v l3 =-3.0v, ta=-20 to 70 c)
5 E0C621A n oscillation characteristics the oscillation characteristics change depending on the conditions (components used, board pattern, etc.). use the follow- ing characteristics as reference values. l osc1 (crystal) unit sec pf pf ppm ppm ppm v m w (unless otherwise specified: v dd =0v, v ss =-3.0v, crystal: c-002r (c i =35k w ), c g =25pf, c d =built-in, ta=25 c) max. 5 5 10 -3.5 typ. 25 24 min. -10 40 200 characteristic oscillation start time built-in capacitance (drain) frequency/voltage deviation frequency/ic deviation frequency adjustment range harmonic oscillation start voltage permitted leak resistance symbol t sta c d ? f/ ? v ? f/ ? ic ? f/ ? c g v hho r leak condition v ss =-2.2 to -3.5v package as assembled bare chip v ss =-2.2 to -3.5v c g =5 to 25pf c g =5pf between osc1 and other pins l osc3 (cr oscillation) unit khz v ms v (unless otherwise specified: v dd =0v, v ss =-3.0v, r cr =140k w , ta=25 c) max. typ. 280 3 min. -2.2 -2.2 characteristic oscillation frequency oscillation start voltage oscillation start time oscillation stop voltage symbol f osc3 vsta t sta vstp condition v ss =-2.2 to -3.5v (v ss ) (v ss ) l osc3 (ceramic) unit v ms v (unless otherwise specified: v dd =0v, v ss =-3.0v, ceramic: csb455e (murata mfg. co.), c gc =c dc =100pf, ta=25 c) max. typ. 3 min. -2.2 -2.2 characteristic oscillation start voltage oscillation start time oscillation stop voltage symbol vsta t sta vstp condition v ss =-2.2 to -3.5v (v ss ) (v ss )
6 E0C621A v v reset rstout v v v osc1 osc2 vss osc3 osc4 v l3 l2 adj l1 dd s1 l3 x'tal ceramic c1 ca cb cc com0 com3 seg0 seg31 test c2 lcd r tr1 led 3.0v c + r33 (rem) ampp ampm aout r00~r03 r10~r13 r20 p00~p03 k00~k03 k10~k13 vss v dd E0C621A c l2 c sr c sr s l1 c gx c gc c dc c s1 c a2 r a1 r d rb r rc ~~ n basic external connection diagram note:the above table is simply an example, and is not guaranteed to work. n package dimensions plastic qfp5-80pin plastic qfp14-80pin unit: mm 12 ?.1 14 ?.4 41 60 12 ?.1 14 ?.4 21 40 index 0.18 20 1 80 61 1.4 ?.1 0.1 1.7 max 1 0.5 ?.2 0 10 0.125 0.5 +0.1 ?.05 +0.05 ?.025 20 ?.1 25.6 ?.4 41 64 14 ?.1 19.6 ?.4 25 40 index 0.35 ?.1 24 1 80 65 2.7 ?.1 0.26 3.4 max 2.8 1.5 0 12 0.15 ?.05 0.8 x'tal c c c c c r r c c c c1 c2 c c crystal oscillator trimmer capacitor ceramic oscillator 32.768khz c i (max.)=35k w 5?5pf 455khz 100pf 100pf 0.33 f 0.1 f 0.1 f 0.1 f 0.1 f 0.1 f 0.2 f 6.8 f gx r gc dc sr a1 a2 l1 l2 l3 s1 d v : 1.5v 2m w 1m w l v : 1.0v open short circuit l
E0C621A 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
|
