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led ?? TM1637 1 ?titan micro electronics www.titanmec.com v2.1 TM1637 ?????led????mcu ???led ???????? ????dip/sop20??? ? ? cmos ? ???8 6 ,?? ? ?82bit???? ? ????? 8 ? ? ???clkdio ? ???rc ??450khz+5% ? ?y? ? ? ? ??dip20/sop20 ?? gnd seg1/ ks1 seg2/ ks2 seg3/ ks3 seg4/ ks4 seg5/ ks5 seg6/ ks6 seg7/ ks7 seg8/ ks8 grid1 grid2 grid3 grid4 grid5 grid6 vd d dio clk k1 k2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 free datasheet http://
led ?? TM1637 2 ?titan micro electronics www.titanmec.com v2.1 ?? ? ?? ? dio / 17 / slck ??? sclk ?????????? ????? ack clk ? 18 / k1~k2 ? 19-20 y??? sg1~sg8 2-9 ??h n ?? grid6~grid1 10-15 p ?? vdd ?? 16 5v10% gnd ? 1 ?? ???????????????? ?????????esd??? ?? ? ?? 82bit? s1 s5 s9 s13 s2 s6 s10 s14 s3 s7 s11 s15 s4 s8 s12 s16 k1 k2 sg1 sg2 sg3 sg4 sg5 sg 6 sg 7 sg 8 ? ? sg1 sg2 sg3 sg4 sg5 sg6 sg7 sg8 k1 1110_11 11 0110_11 11 1010_11 11 0010_11 11 1100_11 11 0100_11 11 1000_11 11 0000_11 11 k2 1111_01 11 0111_01 11 1011_01 11 0011_01 11 1101_01 11 0101_01 11 1001_01 11 0001_01 11 ?????1111_1111?????? ???TM1637 ??????? free datasheet http://
led ?? TM1637 3 ?titan micro electronics www.titanmec.com v2.1 ?????? ??????TM1637 ??00h-05h6???? ?sgegrid??led??? led?????????????? 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * 6 ( * seg8 xxhl xxhu() b0 b1 b2 b3 b4 b5 b6 b7 00hl 00hu grid1 01hl 01hu grid2 02hl 02hu grid3 03hl 03hu grid4 04hl 04hu grid5 05hl 05hu grid6 ?? ????? TM1637 ??? clk ????dio ?? ???? clk ???????dio ???????? clk ????dio ??? clk ??dio ?????? TM1637 ??? ack??????????? ??? ack dio ????????? dio ? 1???? 123456789 1234567 89 clk dio com m and s0 s1 s2 k1 k2 ack?? end star ?? ack?? ?? ? command??s0s1s2k1k2 ???s0s1s2 ? sgn ??k1 k2 ? k1 k2 ?????? 250k?? free datasheet http://
led ?? TM1637 4 ?titan micro electronics www.titanmec.com v2.1 2 sram ??? 1 ?? clk command1 command2 dio start start stop ack data1 ack datan ack command3 ack stop ack start command1 command2?? data1~n? command3? 3 sram ????? clk command1 command2 data1 dio start start stop stop start command2 datan stop command3 stop start ack ack ack ack ack ack command1 command2?? data1~n? command3? ? ????led ?? clk??dio????????b7b6? ?? b7 b6 ? 0 1 1 0 ? 1 1 ? ???stop????????? ??? free datasheet http://
led ?? TM1637 5 ?titan micro electronics www.titanmec.com v2.1 1 ??b1b00111 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 ??? ?? ?? 2? 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 0 1 0 1 05h ???????0c6h ?????? ?????00h 3? 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 ? ? ? ? ? free datasheet http://
led ?? TM1637 6 ?titan micro electronics www.titanmec.com v2.1 ??? free datasheet http://
led ?? TM1637 7 ?titan micro electronics www.titanmec.com v2.1 ? 1???????? ? ? ? ?? ? ? ? ?mcu? ? yes no free datasheet http://
led ?? TM1637 8 ?titan micro electronics www.titanmec.com v2.1 2???? ? ? ? ?? 1byte ? ? ?mcu? ? ? yes no no free datasheet http://
led ?? TM1637 9 ?titan micro electronics www.titanmec.com v2.1 /* *?? ? *? TM1637 *? 1.0 *??? at89s52 * keil uvision3 *?? 11.0592m *? TM1637 ???? 0xff???? */ #include #include //? sbit clk = p1^2; sbit dio = p1^1; ///======================================= void delay_us(unsigned int i) //nus? { for(;i>0;i--) _nop_(); } ///====================================== void i2cstart(void) //1637 ? { clk = 1; dio = 1; delay_us(2); dio = 0; } ///============================================= void i2cask(void) //1637? { clk = 0; delay_us(5); //? ????? 5us? ack ? while(dio); clk = 1; delay_us(2); clk=0; } ///======================================== free datasheet http://
led ?? TM1637 10 ?titan micro electronics www.titanmec.com v2.1 void i2cstop(void) // 1637 ?? { clk = 0; delay_us(2); dio = 0; delay_us(2); clk = 1; delay_us(2); dio = 1; } ///========================================= void i2cwrbyte(unsigne d char onebyte) //?? { unsigned char i; for(i=0;i<8;i++) { clk = 0; if(onebyte&0x01) //? { dio = 1; } else { dio = 0; } delay_us(3); onebyte=onebyte>>1; clk=1; delay_us(3); } } ///------------------------------------------------- unsigned char scankey(void) // { unsigned char rekey,rkey,i; i2cstart(); i2cwrbyte(0x42); // i2cask(); dio=1; // ?? for(i=0;i<8;i++) //? ? { clk=0; rekey=rekey>>1; free datasheet http://
led ?? TM1637 11 ?titan micro electronics www.titanmec.com v2.1 delay_us(30); clk=1; if(dio) { rekey=rekey|0x80; } else { rekey=rekey|0x00; } delay_us(30); } i2cask(); i2cstop(); return (rekey); } ///================================================ void smgdisplay(void) // ?? { unsigned char i; i2cstart(); i2cwrbyte(0x40); // 40h ?? 1 ??,44h ????, ? 1 ?? i2cask(); i2cstop(); i2cstart(); i2cwrbyte(0xc0); // ?? i2cask(); for(i=0;i<6;i++) // ?????? { i2cwrbyte(0xff); // i2cask(); } i2cstop(); i2cstart(); i2cwrbyte(0x8f); // ? i2cask(); i2cstop(); } ///============================================== free datasheet http://
led ?? TM1637 12 ?titan micro electronics www.titanmec.com v2.1 void init() //? ? { //? } ///============================================== void main(void) { unsigned char keydate; init() // ? smgdisplay(); // ? while(1) { keydate=scankey(); //? ?? ? } } //===========end================================== ? free datasheet http://
led ?? TM1637 13 ?titan micro electronics www.titanmec.com v2.1 ?? ?? a b f c g d e dp y sg1 sg2 sg3 sg4 sg5 sg6 sg7 a b c d e f g sg8 dp dp ds3 a b f c g d e dp y sg1 sg2 sg3 sg4 sg5 sg6 sg7 a b c d e f g sg8 dp dp ds2 a b f c g d e dp y sg1 sg2 sg3 sg4 sg5 sg6 sg7 a b c d e f g sg8 dp dp ds1 a b f c g d e dp y sg1 sg2 sg3 sg4 sg5 sg6 sg7 a b c d e f g sg8 dp dp ds4 a b f c g d e dp y sg1 sg2 sg3 sg4 sg5 sg6 sg7 a b c d e f g sg8 dp dp ds6 a b f c g d e dp y sg1 sg2 sg3 sg4 sg5 sg6 sg7 a b c d e f g sg8 dp dp ds5 tm16 37 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 sg 1 sg 2 sg 3 sg 4 sg 5 sg 6 sg 7 sg 8 k1 k2 gn d sg1 sg2 sg3 sg4 sg5 sg6 sg7 sg8 gr6 k2 k1 cl k di o gr1 gr2 gr3 gr4 gr5 gn d sg1/ks1 sg2/ks2 sg3/ks3 sg4/ks4 sg5/ks5 sg6/ks6 sg7/ks7 sg8/ks8 gr6 k2 k1 cl k di o vd d gr1 gr2 gr3 gr4 gr5 vcc c1 c2 101 101 gr1 gr4 gr5 gr2 gr3 gr6 c3 104 c4 100uf 10k 10k vcc vcc ??? vdd gnd ???? ? free datasheet http://
led ?? TM1637 14 ?titan micro electronics www.titanmec.com v2.1 1?ta = 25, vss = 0 v ??? vdd -0.5 +7.0 v ?? vi1 -0.5 vdd + 0.5 v led seg io1 -200 ma led grid io2 +20 ma pd 400 mw ? topt -40 +85 ? tstg -65 +150 2ta = -40+85vss = 0 v ??? vdd 5 v - ??? vih 0.7 vdd - vdd v - ??? vil 0 - 0.3 vdd v - 3?ta = -40+85vdd = 4.5 5.5 v vss = 0 v ioh1 -20 -25 -40 ma grid1~grid6 vo = vdd-2v ?? ioh2 -20 -30 -50 ma grid1~grid6 vo = vdd-3v ?? iol1 80 140 - ma seg1~seg8 vo=0.3v ?? idout 4 - - ma vo = 0.4vdout ?? itolsg - - 5 % vo = vdd C 3v grid1grid6 free datasheet http://
led ?? TM1637 15 ?titan micro electronics www.titanmec.com v2.1 rl 10 k k1~k2 ii - - 1 a vi = vdd / vss ??? vih 0.7 vdd - v clkdin ??? vil - - 0.3 vdd v clkdin ?? vh - 0.35 - v clkdin ? idddyn - - 5 ma ??? 4?ta = -40+85vdd = 4.5 5.5 v ? fosc - 450 - khz tplz - - 300 ns clk dio ?? tpzl - - 100 ns cl = 15pf, rl = 10k ttzh 1 - - 2 s grid1 grid6 ? ttzh 2 - - 0.5 s cl = 300p f seg1 seg8 ?? tthz - - 120 s cl = 300pfsegn gridn ?? fmax - - 500 khz ??50% ci - - 15 pf - 5??ta = -40 +85vdd = 4.5 5.5 v ? pwclk 400 - - ns - ?? tsetup 100 - - ns - ?? thold 100 - - ns - ?? twait 1 - - s clkclk free datasheet http://
led ?? TM1637 16 ?titan micro electronics www.titanmec.com v2.1 ic??? dip20 free datasheet http://
led ?? TM1637 17 ?titan micro electronics www.titanmec.com v2.1 sop20 free datasheet http://
led ?? TM1637 18 ?titan micro electronics www.titanmec.com v2.1 ?? ? ?? ver1.0 2011-06-28 M ver2.0 2011-09-22 1.? ack ??? 2. ack ??? ver1.2 2012-08-12 1??? 2? stop ? 3?? ack ?? free datasheet http://

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