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| Semic www..com CS1694 CS1694 LED / LED / 6x11 7x10 8 10x2 14x8 RAM 5x6 RAM MCU MCU Din & Dout Stb Clk CS1694 CS1684 CS1684 Din Dout Key3 Seg11 CS1684 LED / LED DVD VCD CMOS 6 Gridsx11 Segs 7 Gridsx10 Segs 10x2 8 MCU SOP28 Osc Din & Dout Clk Stb Key1 Key2 Vdd Seg1/Ks1 Seg2/Ks2 Seg3/Ks3 Seg4/Ks4 Seg5/Ks5 Seg6/Ks6 Seg7/Ks7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 Gnd Gird1 Gird2 Gnd Gird3 Gird4 Gnd Vdd Gird5 Gird6 Seg12/Gird7 Seg10/Ks10 Seg9/Ks9 Seg8/Ks8 CS1694 22 21 20 19 18 17 16 15 1.0 2003-12-16 19 CS1694 Osc www..com 1 2 3 4 5 6 I/O I I/O I I I O O O Din & Dout Clk Stb Key1~Key2 Gnd Seg1/Ks1 Seg10/Ks10 Seg12/Grid7 Vdd Grid6 Grid1 22 25 28 8 7 17 N Clk Clk Stb Clk P Seg Seg Grid Grid 18 21 19 20 23 24 26 27 RC MCU Stb Clk Din & Dout MCU Stb byte 1 / RAM Seg 2 / 3 RAM Dout CS1694 4 RAM 1 0 1 Seg Grid 00 b2 b5 7Grids 11Segs 0 0 b1 b0 10 6Grids 11 7Grids 11Segs 10Segs 2 OSC 01 b4 b5 0 29 CS1694 0 1 b3 b2 b1 b0 www..com / 00 RAM 10 key 1 0 1 1 0 1 Key1 Key2 10x3 Ks1 Ks2 Ks3 Ks4 Ks5 Ks6 Ks7 Ks8 Ks9 Ks10 RAM Ks1 Ks3 Ks5 Ks7 Ks9 b0----------b1 Ks2 Ks4 Ks6 Ks8 Ks10 b3----------b5 X RAM 00H---0DH Key1-------Key2Key1-------Key2 X X X X b6-------b7 3 RAM RAM 00H 0DH 0EH 11 b4 b5 0 1 1 b3 b2 b1 b0 RAM 39 CS1694 Seg1----Seg4 Seg5----Seg8 Seg9,Seg10,SEG12 00HL 02HL 00HU 02HU 04HU 06HU 08HU 0AHU 0CHU b0 xxHL 4 b3 b4 01HL 03HL 05HL 07HL 09HL 0BHL 0DHL b7 xxHU 4 Grid1 Grid2 Grid3 Grid4 Grid5 Grid6 Grid7 www..com 04HL 06HL 08HL 0AHL 0CHL 4 / 10 b4 b5 0 1 0 b3 b2 b1 b0 000 =1/16 001 =2/16 010 =4/16 011 =10/16 100 =11/16 101 =12/16 110 =13/16 111 =14/16 0 1 49 CS1694 2 RAM www..com T DISPLAY =500us Key Scan Data Seg Output DIG1 DIG2 DIG3 DIGn DIG1 Grid1 Grid2 Grid3 Gridn 1 Frame=TDISPLAY*(n+1) MCU / If data continues STB DIN b0 b1 b2 b6 b7 CLK 1 2 3 7 8 STB DIN b0 b1 b2 b3 b4 b5 b6 b7 CLK DOUT 1 2 3 4 5 6 7 8 t wait 1 2 3 4 5 6 b0 Data Read Command is set. b1 b2 b3 b4 b5 Data Reading Starts 59 CS1694 fosc Osc 50% www..com Stb PW CLK Clk t setup Din t PZL Dout t TZL 90% 10% PW STB PW CLK t CLK-STB t hold t PLZ Gridn t TLZ 90% 10% Segn t TZH t THZ 400ns PWCLK tsetup 100ns 1s tClk-Stb Clk-Stb tTZH 1s fosc= tTZL<1s tTHZ 10k 300pF tTLZ 10k 300pF * Din Dout PWstb Stb 1s thold 100ns tTHZ 10s tPZL 100ns 300ns tPLZ tTLZ<10s 69 CS1694 Ta=25 Vdd Vi Iolgr Iohsg Itotal Tstg Topt Ta=20 +70 Gnd=0V -0.5 +7.0 -0.5 VDD+0.5 +250 -50 400 -55 +125 -40 +85 Gnd=0V 5.0 5.5 5 VDD 0.3VDD V mA V V V V mA mA mA www..com * * Vdd Idyn Vih Vil 4.5 0.8VDD 0 80H Iohsg1 Ta=25 -20 -25 100 4 0.8VDD 0 300 40 Gnd=0V Vdd=5V -25 -30 140 500 -60 -70 5 5 0.3VDD 650 100 mA mA mA mA % V V kHz k Seg1 Seg1 Seg1 Grid1 Vo=VDD-2V Seg10,Seg12/Grid7 Vo=VDD-3V Seg10,Seg12/Grid7 Vo=0.3V Grid6,Seg12/Grid7 Vo=0.4V Vo=VDD-3V Seg10,Seg12/Grid7 Rosc=51k Key1 Key2 VDD=5V Iohsg2 Seg Key1 Key2 Iolgr Ioldout Itolsg Vih Vil Fosc Rkn 79 CS1694 LED COMMON CATHOD TYPE LED PANEL: Seg1 a b c d e f g h COM/DIGITAL(Grid) www..com Seg2 Seg3 Seg4 Seg5 Seg6 Seg7 Seg8 a f g b e c d h 89 CS1694 G1 G2 G3 G4 G5 G6 Osc Din & Dout Clk Stb Key1 Key2 Vdd Seg1/Ks1 Seg2/Ks2 Seg3/Ks3 Seg4/Ks4 Seg5/Ks5 Seg6/Ks6 Seg7/Ks7 Gnd Gird1 Gird2 Gnd Gird3 Gird4 Gnd Vdd Gird5 Gird6 Seg12/Gird7 Seg10/Ks10 Seg9/Ks9 Seg8/Ks8 G1 G2 G3 G4 DIGIT1 DIGIT2 DIGIT3 DIGIT4 DIGIT5 DIGIT6 www..com 51k MCU 6-GRID*11-SEGMENT LED (COMMON CATHODE) +5V +5V S1 S2 S3 S4 S5 S6 S7 CS1694 10k +5V G5 G6 S12 S10 S9 S8 0.1uf S12 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 SEG12 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 1 Vdd Gnd 0.1F 2 NC Gnd KS10 SW19 SW20 KS9 SW17 SW18 KS8 SW15 SW16 KS7 SW13 SW14 KS6 SW11 SW12 KS5 SW9 SW10 KS4 SW7 SW8 KS3 SW5 SW6 99 KS2 SW3 SW4 KS1 SW1 SW2 www..com Semic 14 +86 510 5810118 +86 510 5810407 http://www.semico.com.cn +86 +86 510 510 5887467 5874503 +86 755 83572722 +86 755 83572766 +86 755 83572811 13602889438 +86 20 86391906 13950185825 +86 592 5176525 |
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