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em91455 / / / / / &'* &'* &'* &'* &'* 1 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary em91455 / &'* / 3 / em91455 &'* dtmf &'&*' sdo &'*''* sdo &'* em32100 em32117 &' em91455 & i.p.p. ,i.p.p. &'*&' &'* i.p.p. &'** &'*'' ? / ? 2.0v 5.5v ? , 0.15ma 0.3ma ? &' , & , : , / , , ? sdo &'* , ? &'* ? i.p.p. &' ? &'* ? &'* ? 3 , 16 ? 32 lnb( ) ? &' ? &'* ? p-t 3.6 ? &' 98ms ? 3.579545mhz &' ? : pdip,skinny pdp ( ) em91455a ??? ?? em91455b ??? ??? em91455c ??? ??? ? em91455d ??? ??? ? ? note : pdp = pocket dialer prevented : i.p.p. detect = illegal parallel phone detect. em91455 / / / / / &'* &'* &'* &'* &'*
em91455 / / / / / &'* &'* &'* &'* &'* 2 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary em91455 pin assignment keyboard arrangement col5 col4/kt col3 col2 col1 xin xout xmute vss 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 hdo po row4 row3 row2 row1 hks vdd dtmf em91455ap col5 col4/kt col3 col2 col1 xin xout xmute vss hfi 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 hdo po row4 row3 row2 row1 hks vdd dtmf hfo em91455bp nc col5 col4/kt col3 col2 col1 xin xout xmute vss hfi 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 sdo hdo po row4 row3 row2 row1 hks vdd dtmf hfo em91455ck nc col5 col4/kt col3 col2 col1 xin xout xmute vss hfi dring 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 sdo hdo po row4 row3 row2 row1 hks vdd dtmf hfo rmute em91455dk row1 row2 row3 row4 col1 1 4 7 */t col2 2 5 8 0 col3 3 6 9 # col4/kt hd f rd/p col5 em1 em2 em3 st
em91455 / / / / / &'* &'* &'* &'* &'* 3 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary row1~row4 &'* hks hfo &'*&' &'* 600hz coli~col3 col5 &'*& &'* 600hz col4/kt &'*& &'*' 600hz 30ms dtmf &'* xin xout &' xin xout & 3.579545mhz , & xmute &' nmos &'* schmitt trigger &'*&' &'* vdd vss &'* 2.0v 5.5v hfi &'* &'* 200k hfo &'*&' &'* & dtmf dtmf &'** &' 0....9 * # dtmf hks &'* &'* po &' nmos &'* &'* 0....9 col1 col2 col3 col4/kt col5 xin xout row1 row4 hfo hdo xmute keyboard interface (column) oscillator keyboard interface (row) output circuit memory timing/control circuit input circuit pulse generator latch & decoder d/a converter row/column programming counter dtmf po hks hfi vdd dring rmute sdo xmute ~
em91455 / / / / / &'* &'* &'* &'* &'* 4 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary em91455 &'*&' 560k &'* a. mode b. m/b ratio row1 mode row2 mbr (%) r-vdd 20 pps nr 40:60 nr r-vss 33:66 r-vss 10 pps c. flash time d. lock control method row3 row4 tf (ms) col1 control method nr nr 600 r-vdd nr r-vss 100 nr r-vss nr 80 r-vss r-vss r-vss 300 e. lock number col2 col3 lock number nr nr nr r-vss 0 r-vss nr 9 r-vss r-vss 0.9 hdo & cmos &'* &'* &' sdo sdo nmos &'*& &'** &'* dring &'* 3.25m &'* &'*&' rmute & nmos rmute &' &'&* dring &'* dring &'* dring= &'*
em91455 / / / / / &'* &'* &'* &'* &'* 5 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary &'*' lnb &' ? &' ? &' ? d1,d2, dn d 1~9 * 0 # p p t n ? d1,d2, ,dn &'* lnb lnb lnb lnb lnb &'*& lnb &' 32 lnb &'* lnb &' &' f &'* rd lnb em91455 3 &' 16 &'*& 16 16 &'*& 3 3 3 3 3 &'* st d1 d2 dn[st] emn d1 d2 dn emn emn em1 em3 &' ? &' ? ( ), emn & emn &'* n 1~3 &'* p p p p p p &'* p &'** ? &' ? ( ), (d1,d2, ,dn,rd/p,k1,k2, kn) &' d1 d2 dn tp k1 k2 kn */t */t */t */t */t */t &'* */t &&' ? ? ( ), d1 d2 dn */t k1 k2 kn &'
em91455 / / / / / &'* &'* &'* &'* &'* 6 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary d1 d2 dn tpt k1 k2 kn f f f f f f &'* f &'* 600ms 300ms 100ms 80ms row3 row4 hf hf hf hf hf &'* hfi &'* & hfo &' hfo &'* hfo &' ? ? hfi ? (hd) (hdo) & ) hd hd hd hd hd &'* !" hd hdo &'* hdo ? ? hd 93.1ms ? (hf) hfo &' &'* 300ms tdly &'* &'* 3 0 1 2 3 &'* 3 &' 0 1 2 3 3 em91455 &'*& em91455 tdly
em91455 / / / / / &'* &'* &'* &'* &'* 7 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary < > : hf = ; hd = / hks po xmute hfo hdo (0) , hf f l l (1) lf f l l (2) , lf f h l (3) , hf f h l (4) , lf l l h (5) , hf l l h note : f= ( ); h= ; l= 1 on-hook state 2 off-hook state 4 on-hook hand-free state hks=lo hks=lo hks=hi hf hf hd hf hd 6 on-hook hold-line state 3 off-hook hand-free state hf hf hf hd hks=hi hks=lo 5 off-hook hold-line state hd hd hks=hi sdo sdo sdo sdo sdo &' &' &' &' &' sdo &'* uart sdo &'* &' em32100 em32117 &'&* sdo &'* 3.9ms(256hz), &' , . 0 1 bit 0 bit1 bit2 bit3 bit4 bit5 ready start bits data bits 0 1 stop bits
em91455 / / / / / &'* &'* &'* &'* &'* 8 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary sdo keypad encoded table: digital key (b5,b4=0,0) keypad 1 2 3 4 5 6 7 8 9 0 */t # p */t output b3,b2,b1,b0 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 display 1 2 3 4 5 6 7 8 9 0 ?? p function key (b5,b4=1,0) keypad st hold hf a f (lock state) output b3,b2,b1,b0 0000 1000 1010 1110 1111 0001 display function key (b5,b4=1,1) keypad em1~em3 rd output b3,b2,b1,b0 1100 1101 display &'* em32117 lcd &' em91465 lock &'* col1 & vss * keypad,sdo format and lcd display reference table: 5 5 5 5 5 4 4 4 4 4 3 3 3 3 3 2 2 2 2 2 1 1 1 1 1 0 0 0 0 0 1000001 1 2000010 2 3000011 3 4000100 4 5000101 5 6000110 6 7000111 7 8001000 8 9001001 9 0001010 0 */t 0 0 1 0 1 1 ? #001100 ? p001101 p */t 0 0 1 1 1 0 st 1 0 0 0 0 0 hold 1 0 1 0 0 0 hf 1 0 1 0 1 0 a101110 f101111 (lock state) 1 0 0 0 0 1 em1~em3 1 1 1 1 0 0 rd 1 1 1 1 0 1
em91455 / / / / / &'* &'* &'* &'* &'* 9 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary &'* col2 col3 &'* &'* 000 000 &'* &'* col1 vss ? &' ? # # ops1 ops2 ops3 nps1 nps2 nps3 # ops1-ops3 &' nps1-np3 &'*** 000 &'** 000 # &' col1 &'* 000 &'* &'* col1 vdd ? &' ? d1 d2 ...... dn &' dl &'*' &'* col1 vss ? &' ? [# ps1 ps2 ps3]+ [] &'* 000 # ps1 ps2 ps3 &'* &'* &'* &'* , , , &'** i ii,,iii) , dring rmute &' dring rmute dring rmute &'** rmute &'* dtmf &' &'* i. hks &'* ii. &'* iii. f
em91455 / / / / / &'* &'* &'* &'* &'* 10 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary i. p.p. i. p.p. i. p.p. i. p.p. i. p.p. &'*& em91455 i.p.p. &' i.p.p. xmute xmute &' ( ) xmute &'* xmute &'* ? xmute &'*& !"#$%& "#","8", "8" &'* "#","8","8" &'&* &'* xmute &'*& &'*' ( &' i.p.p. )
em91455 / / / / / &'* &'* &'* &'* &'* 11 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary ( 25 c, v ss ) v dd 6.0 vdc v v in v ss -0.3v ~ v dd +0.3v v t opr 0 ~ +50 c t sto -55 ~ 125 c p d 500 mw ( 25 c, v dd =2.5v , v ss , , fosc=3.579545 mhz) 2.0 - 5.5 v 2.0 - 5.5 (hks=0) idd - 0.15 0.3 - 0.3 0.5 ma - 0.15 0.3 / * 8 - 0.3 0.5 imrt - 0.001 0.1 ua hks=1,vdd=1v hks=1 istby - 0.001 0.1 hks=0 - 1 10 ua hks=1 -0.001 0.1 / * 8 hks=0 - 10 30 hks, hfi dring : vih 0.8vdd - vdd v vil vss - 0.2vdd hfo & hdo ioh 0.2 - - ma vo = 2.0 v po, hfo, xmute, rmute iol -0.2 - - ma vo = 0.5 v & sdo : po, xmute, rmute sdo ioh - - 0.001 ua vo = vdd : hfi rhfi - 200 - k w vhfi = vss dring rdring - 100 - k w vdeing=vss &' ioh 2 10 50 ua vksn=vss (col4/kt ) iol 200 400 800 v ksn=vdd col4/kt : ioh 0.2 - - ma vo=2.0v iol 0.2 - - vo=0.5v
em91455 / / / / / &'* &'* &'* &'* &'* 12 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary ( 25 c, v dd =2.5v, , v ss , , fosc=3.579545 mhz) tdb - 20 - ms : fkt - 600 - hz tkt - 30 - ms tp - 3.6 - sec. tpt - 3.6 - sec. tf - 600 - row3b, row4b=nr, nr - 100 - ms row3b, row4b=nr, r-vss - 80 - row3b,row4b=r-vss, nr - 300 - row3b,row4b=r-vss,r-vss psr - 20 - pps row1 = r-vdd - 10 - row1 = r-vss / mbr - 40:60 - % row2 = nr - 33:66 - row2 = r-vss tidp - 800 - ms psr = 10 pps - 500 - psr = 20 pps dtmf : iol -0.2 - - ma vdtmf = 0.5 v dtmf vdc 0.5 - 0.75 vdd vdd = 2.0v ~ 5.5v dtmf : vdtmf 142 160 180 mvrms twist 1 2 3 db thd - -30 -23 db rl = 5 k w zl 5 - - k w thd < - 23db tp 96 98 100 titp 96 98 100 ms : (-23.3) (dbm) vmtac 48 53 58 mvms vdd =2.0v ~ 5.5v (-25.3) (dbm) vstac 37 42 47 mvms vdd =2.0v ~ 5.5v hd thdrdb - 280 - ms sdo tbit 3.8 3.9 4.1 ms tdly - 300 - ms
em91455 / / / / / &'* &'* &'* &'* &'* 13 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary dtmf (fosc = 3.579545 mhz) ccitt (hz) (hz) (%) row1 (f1) 697 699.1 0.30 row2 (f2) 770 766.2 0.49 row3 (f3) 852 847.4 -0.53 row4 (f4) 941 947.9 0.73 col1 (f5) 1209 1215.8 0.56 col2 (f6) 1336 1331.6 -0.32 col3 (f7) 1477 1471.8 -0.35
em91455 / / / / / &'* &'* &'* &'* &'* 14 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary hks key in kt xmute hdo sdo po dtmf osc. tdb tkt 2 3 tm tidp t b t m t b t m tidp tdly hi-impedance hks key in kt xmute hdo sdo po dtmf osc. tdb 2 3 td titp titp hi-impedance 1. & & & & & 2. dtmf dtmf dtmf dtmf dtmf
em91455 / / / / / &'* &'* &'* &'* &'* 15 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary hks key in kt xmute hdo sdo po dtmf osc. tdb tkt rd/p tm tidp t b t m t b t m tidp tdly lnb=2,3 hi-impedance hks key in kt xmute hdo sdo po dtmf osc. tdb tkt rd/p td tdly hi-impedance lnb=2,3 td titp titp 3. lnb lnb lnb lnb lnb 4. dtmf dtmf dtmf dtmf dtmf lnb lnb lnb lnb lnb
em91455 / / / / / &'* &'* &'* &'* &'* 16 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary tidp tidp tp 2 rd/p 3 hks key in kt xmute hdo sdo po dtmf osc. hi-impedance tpt po hks key in kt xmute hdo sdo dtmf osc. 2 */t 34 hi-impedance hks key in kt xmute hdo sdo po dtmf osc. tdb tf tfp=300ms hi-impedance f 6. (p ? t) 5. 7.
em91455 / / / / / &'* &'* &'* &'* &'* 17 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary tdly "0" digit dialing time 0 5 hf hfi or hks key kt osc. hi-impedance hks key in kt sdo tdb 2 st st b0 b1 b2 b3 b4 b5 spt spt 0 1 0 1 0000 0 1 tbit l m hi-impedance hf hd hf hd hf hd hd hd hd @ 93 ms thdrdb hks key in hfo hdo xmute sdo po hi-impedance 8. sdo < > l= ,m= , st= , spt= @ : , 9. hf hd 10.
em91455 / / / / / &'* &'* &'* &'* &'* 18 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary ring dring hks rmute toff ton ring dring hks rmute 11. &' &' &' &' &' 12. * (ton (ton (ton (ton (ton toff), toff), toff), toff), toff), &'* &'* &'* &'* &'*
em91455 / / / / / &'* &'* &'* &'* &'* 19 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary illegal parallel phone detect circuit 100k r33 pc817 4.9m r35 off 3 100k r36 1m r37 22m r34 zd3 16v d26 1n4001 vdd 4 1 2 3 bridge d24 r23- 47 + p2 phoneplug sw3 : on : enable ipp detect sw3 hks xmute dtmf vdd hfo hdo po emc dialer d25 diode 1 1 2 1 1 2 2 1 2 1 2 1 2 1 2 2 2 mute speech network r30 10k r15 100k c13 0.1 c945 r29 1n4148 d13 1n4148 q5 vdd vdd vdd zd2 4v7 hks hfo hdo r13 3k3 r22 r23 47k 1n4148 1n4148 d14 1n4148 d16 1n4148 d22 d23 r21 100k po a42 q1 r20 47k c10 470 + c11 104 zd1 16v/1w r2 2k2 r3 220k d2 q2 a92 1rsw2 2 3 10m sw1 1 r12 r13 100k tr tip phoneplug 10uh 10uh l7 l6 p1 on off : disable u2 ipp
em91455 / / / / / &'* &'* &'* &'* &'* 20 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary em91455 handset handfree 5 4 6 sw1b bridge tip 470 onhook offhook 2 1 3 sw1a 1 2 3 q6 a92 r47 220k r54 10m r48 100k 1 2 d6 1n4148 1 2 d7 1n4148 r49 2k7 r52 220k c16 .001u r36 470k r33 1k5 1 2 3 q18 1815 hook hfo r55 470k em32100 jp9 1 2 3 q14 c945 1 2 d16 1n4148 1 2 d17 1n4148 r56 47k ce row1 1 2 d18 1n4148 hdo em32100 jp10 r65 220k c17 .01u 1 2 3 q19 1815 r67 50 c23 47u c24 .1u c31 220uf d13 5v1 1 2 3 q4 c945 r37 100k c25 .1u r35 2k2 2 1 3 q7 a42 1 2 d14 1n4148 r69 47k ring bridge .1u 22u/50v r68 100k vdd 27v 1 2 d5 1n4148 r43 47k 1 2 d19 1n4148 r57 47k r44 22k r45 47k c21 .1uf c22 1uf 1 2 3 q9 c945 r46 10k hdo 1 2 3 q10 c945 audio power amplifer col4/kt ce jumper 560k 560k 560k 560k dring 4k7 1.2m 1u 1 2 4 3 pc817 1 4 7 */t 2 5 8 0 3 6 9 # hd f rd/p em1 em2 em3 st jumper jumper vdd 560k em91455dk sdo lcd driver vcc 1.5v 2 to 4 line speech network dring 3.58mhz 560k 560k 560k buzzer 10p 10p hf 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 sdo hdo po row4 row3 row2 row1 hks vdd dtmf hfo rmute nc col5 col4/kt col3 col2 col1 xin xout xmute vss hfi dring
em91455 / / / / / &'* &'* &'* &'* &'* 21 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary sdo em32100 : 1 2 3 4 5 6 7 8 9 10 11 12 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 37 38 39 40 41 42 43 44 45 46 47 48 seg5 seg4 seg3 seg2 seg1 com1 com2 com3 test2 test1 f32h nc seg17 seg18 seg19 seg20 seg21 seg22 seg23 seg24 v ee vn vp nc seg6 seg7 seg8 seg9 nc seg10 seg11 seg12 seg13 seg14 seg15 seg16 ms1 ms2 sd1 hks v dd xin nc xout v ss 24/12 enrtc nc .1 .1 em32100 v cc 8/10 digits lcd pannel 1.5v 32768hz 1 100k 200k 100k 20p 20p 3 1 3 1 1 1 2 2 2 3 1 2 2 2 c945 220k 220k 47k diode diode diode c945 v dd hks hdo hfo v ss sdo package type : qfp 48 pins or chip form provided
em91455 / / / / / &'* &'* &'* &'* &'* 22 * this specification are subject to be changed without notice. 2.13.1998 preliminary preliminary preliminary preliminary preliminary em32117 : 24/12 enrct enclnd gf seg0 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 com3 com2 com1 com0 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg24 xout xin vss vc2 vc1 v3 v2 vdd hks sdi ms2 ms1 spare1 spare2 test seg10 seg11 seg12 seg13 seg14 seg15 seg16 seg17 seg18 seg19 seg20 seg21 seg22 seg23 .1? .1? 1 2 1 2 .1? 1 2 .1? 1 2 12 1 2 3 32768hz 40 39 38 37 36 35 34 33 32 31 30 29 28 27 19 46 47 48 18 17 16 15 14 13 12 11 10 9 8 49 50 51 52 53 54 55 56 57 58 65 66 80 79 78 77 76 75 74 73 72 71 70 69 68 67 1 2 3 4 5 6 7 8 19 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 seg0 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg11 seg12 seg13 seg14 seg15 seg16 seg17 seg18 seg19 seg20 seg21 seg22 seg23 seg24 seg25 seg26 seg27 seg28 seg29 seg30 seg31 com0 com1 com2 com3 lcd panel em32117 hour 1 2 3 rtc 1 2 1.5v 1 2 3 calendar 1 2 3 gf sdi line 2 2 3 1 1 2 1 2 1 sw hook c945 100k .1?

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