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PCF2104CU/2 数据表(PDF) 4 Page - Motorola, Inc |
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PCF2104CU/2 数据表(HTML) 4 Page - Motorola, Inc |
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4 / 56 page ![]() 1997 Dec 16 4 Philips Semiconductors Product specification LCD controller/driver PCF2104x 5 BLOCK DIAGRAM Fig.1 Block diagram. handbook, full pagewidth SHIFT REGISTER 32-BIT MGC627 VSS VDD CHARACTER GENERATOR RAM (CGRAM) 16 CHARACTERS CHARACTER GENERATOR ROM (CGROM) 240 CHARACTERS CURSOR + DATA CONTROL 5 5 SHIFT REGISTER 5 x 12-bit 60 DATA LATCHES 60 COLUMN DRIVERS 6 BIAS VOLTAGE GENERATOR 60 32 ROW DRIVERS 8 DISPLAY DATA RAM (DDRAM) 80 CHARACTERS 32 5-20 81-96 ADDRESS COUNTER (AC) INSTRUCTION DECODER INSTRUCTION REGISTER (IR) DATA REGISTER (DR) BUSY FLAG 7 8 8 I/O BUFFER 8 7 7 8 2 111 4 VLCD DISPLAY ADDRESS COUNTER POWER - ON RESET TIMING GENERATOR OSCILLATOR 7 1 OSC C1 to C60 R1 to R32 4 109-106 4 98 100 99 DB0 to DB3 DB4 to DB7 E RS R/W PCF2104x 97 SCL 110 SDA 3 SA0 101 T1 105-102 80-21 |
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