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led ?? TM1642 www.titanmec.com - 1 - ? TM1642 ??????led ? ?? ?mcu ???led ???? ????led???,?? ????sop28??? ? ? cmos ? ???10 7 13 4 ? seg ?? vdd-1v ? ? +/-3% ? +/-6% ? ?102 ? ???8? ? ??clkstbdindout ? ???rc ??450khz+ 5% ? ?y? ? ??sop28 ?? sop28
led ?? TM1642 www.titanmec.com - 2 - ???? ? ?? ? dio 2 ??? ??n?? dindout??? ??din? din/dout 2 ??? ??dindout ???? ?dout ?din/dout clk ? 3 ??? ? stb ?? 4 ??? ?? ?? stb ??????? ???? ??stb ?? clk k1k2 ? 56 y?? sge1/ks1 seg10/ks10 817 ?? h,p?? seg12/grid7~seg14/grid5 18-20 p?? grid1,grid2,grid3,grid4 27,26,24,23 n?? vdd ?? 721 5v10% gnd ? 222528 ?? ? dout??n?????1k-10k,?(1) ???10kdout????n???? ??6????
led ?? TM1642 www.titanmec.com - 3 - dout 10 k vcc gnd ct ?? ?1 ]?? ??????TM1642???00h-0dh14???? ?seggrid??led???(2)? led ?????? ??????? 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * x 6 ( * 6 ( * 6 ( * x x xxhl xxhu() xxhl() xxhu b0 b1 b2 b3 b4 b5 b6 b7 b0 b1 b2 b3 b4 b5 b6 b7 00hl 00hu 01hl 01hu grid1 02hl 02hu 03hl 03hu grid2 04hl 04hu 05hl 05hu grid3 06hl 06hu 07hl 07hu grid4 08hl 08hu 09hl 09hu grid5 0ahl 0ahu 0bhl 0bhu grid6 0chl 0chu 0dhl 0dhu grid7 ?2 ????? ??102bit?(3)? ?3 ???? (4) ????? byte1 byte5 ?? ??? b6 b7 ???? 0 ? k ks ??? ???? bit ? 1
led ?? TM1642 www.titanmec.com - 4 - ? 4 ? 1TM1642?5?? 2????byte1-byte5??????k2ks10 ???????5???4bit??? k1ks10k2ks10????byte5?b3b4?1 3 ????ks?k????k??ks? ?? ??? ????led ?? stb??din???????b7b6 ?? b7 b6 ? 0 0 ??? 0 1 ? 1 0 ? 1 1 ? ???stb????????? ????? 1 ???? msb lsb b7 b6 b5 b4 b3 b2 b1 b0 ??? 0 0 0 0 4 14 0 0 0 1 5 13 0 0 1 0 6 12 0 0 ?? 0 1 1 7 11 ????47 1214 ???????? ?????????????? ?????? 7 10 b1 b2 b3 b4 b5 b6 b7 k1 k2 x k1 k2 x ks1 ks2 0 0 byte1 ks3 ks4 0 0 byte2 ks5 ks6 0 0 byte3 ks7 ks8 0 0 byte4 ks9 ks10 0 0 byte5
led ?? TM1642 www.titanmec.com - 5 - 2?? msb lsb b7 b6 b5 b4 b3 b2 b1 b0 ? 0 1 0 0 ??? 0 1 1 0 ??? ? 0 1 0 ?? 0 1 1 ??? ?? 0 1 0 ??? 0 1 ?? 0 1 ?? ??? ?? ??b1b00111 3?? msb lsb b7 b6 b5 b4 b3 b2 b1 b0 ?? 1 1 0 0 0 0 00h 1 1 0 0 0 1 01h 1 1 0 0 1 0 02h 1 1 0 0 1 1 03h 1 1 0 1 0 0 04h 1 1 0 1 0 1 05h 1 1 0 1 1 0 06h 1 1 0 1 1 1 07h 1 1 1 0 0 0 08h 1 1 1 0 0 1 09h 1 1 1 0 1 0 0ah 1 1 1 0 1 1 0bh 1 1 1 1 0 0 0ch 1 1 ?? 0 1 1 0 1 0dh ????? ??0eh ?????? ?????00h
led ?? TM1642 www.titanmec.com - 6 - 4 ?? msb lsb b7 b6 b5 b4 b3 b2 b1 b0 ? 1 0 0 0 0 ? 1/16 1 0 0 0 1 ? 2/16 1 0 0 1 0 ? 4/16 1 0 0 1 1 ? 10/16 1 0 1 0 0 ? 11/16 1 0 1 0 1 ? 12/16 1 0 1 1 0 ? 13/16 1 0 1 1 1 ?? ? 14/16 1 0 0 ? 1 0 ?? 0 1 ? ? ??? ??1bit??? ??? di n clk stb b0 b1 b2 b3 b4 b5 b6 b7 12345678 ?5 ??? di n clk stb `````` 12 8 b0 b1 b7 `````` twait ? ? dout b0 b1 b2 b3 ?6 ? ????clk ?8 ????clk ???? ???twait(1s)
led ?? TM1642 www.titanmec.com - 7 - ??? 1 ? 1? 1 1 1 1 1 1 1 seg1 seg2 seg3 seg4 seg5 seg6 seg7 grid1 a b f c g d e dpy [ ledgn ] a b c d e f g seg4 seg3 seg2 seg1 seg5 seg6 seg7 grid1 ?7 ?7?????0 ?grid1??? ?seg1seg2seg3seg4seg5seg6???seg7??? ??2???00h??3fh??0 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 0 0 1 1 1 1 1 1 00h b7 b6 b5 b4 b3 b2 b1 b0 2 a b f c g d e dpy [ledgn] a b c d e f g 1 1 1 1 1 1 1 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 seg1 seg1 ?8 ?8?????0 ?grid1grid2 grid3grid4grid5grid6????seg1???grid7????seg1? ?????00h02h04h06h08h0ah?01h???? 00h
led ?? TM1642 www.titanmec.com - 8 - seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 0 0 0 0 0 0 0 1 00h 0 0 0 0 0 0 0 1 02h 0 0 0 0 0 0 0 1 04h 0 0 0 0 0 0 0 1 06h 0 0 0 0 0 0 0 1 08h 0 0 0 0 0 0 0 1 0ah 0 0 0 0 0 0 0 0 0ch b7 b6 b5 b4 b3 b2 b1 b0 ? seg1-10?p??grid1-7?n????seg1-10??led grid??led?? 2 ?TM1642??????????? ?2??????t=8500us8ms?2??2 ????? ?9??seg1/ks1seg2/ks2??10 ?9 ic???segn/ksn? ?10
led ?? TM1642 www.titanmec.com - 9 - tdispic?? 500us???? ???11 ??? ?11 s1??1??b01 1 s2????1??b11 ? ???? seg1/ks1-seg10/ks10???x???12????d1d2 ?seg1?1 seg2?0??s1s2???seg1seg2? d1d2 s1 s2 1 d1 1 d2 grid1 sge1/ ks1 sge2/ ks2 k1 ?12 1?????????k?13? 1 d1 1 d2 s2 s1 sge1/ ks1 g rid1 g rid 2 k1 k 2 ?13 2seg1seg n?14????510??? ???????
led ?? TM1642 www.titanmec.com - 10 - s1 s2 1 d1 1 d2 grid1 sge1/ ks1 sge2/ ks2 k1 510 510 ?14 3??15? s1 s2 1 d1 1 d2 grid1 sge1/ ks1 sge2/ ks2 k1 ?15 ????? 1????? ????1???????????? ??stb?????14byte???stb?? clk di n stb command1 command2 command3 command4 data1 data2 data n ``````` command1: ??? command2: ? command3: ?? data1n: ??command3??????(14 bytes) command4: ? 2 ???? ??????????1byte????? ?stb????1byte????stb????2 ????14byte??stb?? clk stb command1 command2 command3 command4 data1 data2 command5 ``````` di n command1: ???
led ?? TM1642 www.titanmec.com - 11 - command2: ? command3: ?????1 data1: ?1command3???? command4: ?????2 data2: ?2command4???? command5: ? 3? clk dout stb command1 data1 data2 data3 data4 data5 di n command1: data15: ??
led ?? TM1642 www.titanmec.com - 12 - 4 ???????? ? ? ??? ? ?? ?? 14 ?? ? ? ? mcu ? 5 ?? ?
led ?? TM1642 www.titanmec.com - 13 - ???? ? ? ??? ? ?? 1byte ? ? ? mcu ? 5 ?? ?
led ?? TM1642 www.titanmec.com - 14 - ??? TM1642????? ????? 1 ?? 3 G?? 6 G 2 ??? seg ? gnd ? 4v ? 3 ???? v ds ??????? ? 16 ??? p d ?? ?? 11 ?? ? , ? ? pd(act) =i dd *v dd +i out*duty*v ds *11 ? ? ?? , pd(act)

led ?? TM1642 www.titanmec.com - 15 - ??? TM1642??17 nc dio clk stb key1 key2 vd d seg1/ ks1 seg2/ ks2 seg3/ ks3 seg4/ ks4 seg5/ ks5 seg6/ ks6 seg7/ ks7 seg8/ ks8 seg9 seg10 gnd grid1 grid2 gnd grid3 grid4 seg14 grid5 seg13 /grid6 seg12 /grid7 gnd vd d tm1 c4 100 uf c5 104 vcc c3 cap c2 cap c1 cap r1 10k r2 10k r3 10k vcc vcc vcc dio clk stb a b f c g d e dpy a b c d e f g dp dp ds1 a b f c g d e dpy a b c d e f g dp dp ds2 a b f c g d e dpy a b c d e f g dp dp ds3 a b f c g d e dpy a b c d e f g dp dp ds4 a b f c g d e dpy a b c d e f g dp dp ds5 a b f c g d e dpy a b c d e f g dp dp ds6 a b f c g d e dpy a b c d e f g dp dp ds7 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 s18 s19 s20 s17 key1 key2 ks1 ks2 ks3 ks4 ks5 ks6 ks7 ks8 ks9 ks10 ?17
led ?? TM1642 www.titanmec.com - 16 - TM1642??18 nc dio clk stb key1 key2 vd d seg1/ ks1 seg2/ ks2 seg3/ ks3 seg4/ ks4 seg5/ ks5 seg6/ ks6 seg7/ ks7 seg8/ ks8 seg9/ ks9 seg10 /ks10 seg12 /grid7 seg13 /grid6 seg14 /grid5 vd d gnd grid1 grid2 grid4 grid3 gnd gnd a b f c g d e dpy [ ledgn ] a b c d e f g a b f c g d e dpy [ ledgn ] a b c d e f g a b f c g d e dpy [ ledgn ] a b c d e f g a b f c g d e dpy [ledgn] a b c d e f g a b f c g d e dpy [ledgn] a b c d e f g grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 a b f c g d e dpy [ ledgn ] a b c d e f g a b f c g d e dpy [ ledgn ] a b c d e f g a b f c g d e dpy [ ledgn ] a b c d e f g a b f c g d e dpy [ledgn] a b c d e f g a b f c g d e dpy [ledgn] a b c d e f g grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 grid1 grid2 grid3 grid4 grid5 grid6 grid7 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 grid1 grid2 grid3 grid4 grid5 grid6 grid7 gnd seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 vcc gnd dio clk stb vcc vcc key1 key2 key1 key2 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 100 uf 104 vcc gnd 10k 10k 10k c3 100 p c2 100 p c1 100 p ? ic ? ? ? tm1628fs ?18 ? 1vddgnd??pcbJ?TM1642???? 2dindoutclkstb???100p???????? 3???????3vTM1642??5v 4?????seg?gnd?4v ? ?ta = 25, vss = 0 v ??? vdd -0.5 +7.0 v ?? vi1 -0.5 vdd + 0.5 v led seg io1 -40 ma
led ?? TM1642 www.titanmec.com - 17 - led grid io2 +200 ma pd 400 mw ? topt -40 +80 ? tstg -65 +150 ta = -20 +70vss = 0 v ??? vdd 4 5 7 v - ??? vih 0.7 vdd - vdd v - ??? vil 0 - 0.3 vdd v - ?ta = -20 +70vdd = 4.5 5.5 v vss = 0 v ioh1 28 35 40 ma seg1~seg10 vo = vdd-2v 14/16 ?? ioh2 28 35 40 ma seg1~seg10 vo = vdd-3v 14/16 ?? iol1 80 140 - ma grid1~grid6 vo=0.4v ?? idout 4 - - ma vo = 0.4vdout ?? itolsg - - 5 % vo = vdd C 3v seg1seg10 rl 10 k k1~k2 ii - - 1 a vi = vdd / vss ??? vih 0.7 vdd - v clkdiostb ??? vil - - 0.3 vdd v clkdiostb
led ?? TM1642 www.titanmec.com - 18 - ?? vh - 0.35 - v clkdiostb ? idddyn - - 5 ma ??? ?ta = -20 +70 vdd = 4.5 5.5 v ? fosc - 500 - khz / tplz - - 300 ns clk dout ?? tpzl - - 100 ns cl = 15pf, rl = 10k ttzh 1 - - 2 s seg1seg10 ? ttzh 2 - - 0.5 s cl = 300p f grid1grid4 seg12/grid7 seg14/grid5 ?? tthz - - 120 s cl = 300pfsegn gridn ?? fmax 1 - - mhz ??50% ci - - 15 pf - ?? ta = -20 +70 vdd = 4.5 5.5 v ? pwclk 400 - - ns - ?? pwstb 1 - - s - ?? tsetup 100 - - ns - ?? thold 100 - - ns -
led ?? TM1642 www.titanmec.com - 19 - clk stb ? tclk stb 1 - - s clkstb ?? twait 1 - - s clkclk ?? ??ic ???
led ?? TM1642 www.titanmec.com - 20 - all specs and applications shown above subject to change withou t prior notice. (?,u????)

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