T6A04A Datasheet | Toshiba

Features - - On-chip display RAM capacity Display RAM data (1) Display data = 1 LCD turns on. (2) Display data = 0 LCD turns off. - - - - - - - - - - - 1/64 duty cycle Word length of display data can be switched between eight bits and six bits according to the character font. LCD driver outputs Interface with 80-series MPU On-chip oscillator with one external resistor Low power consumption On-chip resistors to divide bias voltage, on-chip operational amplifier for LCD supply, on-chip DC-DC converter, on-chip contrast control circuit CMOS process Operating voltage Package : 4.5 to 5.5 V : TCP (tape carrier package) Operating voltage for LCD drive signal : VDD - VEE = 16.0 V (max) : 120 column driver outputs and 64 row driver outputs : 120 × 64 = 7.5 kbits 2002-03-06 .. Block Diagram 33 LCD DRIVE CIRCUIT (32) LCD DRIVE CIRCUIT (120) LATCH 120 DISPLAY RAM 120 ´ 64 = 7.5 kbits INPUT/OUTPUT GATE TIMING GENERATION X-COUNTER CIRCUIT Z-COUNTER 8 OSCILLATOR OP-AMP CONTROL REGISTER DISPLAY ON/OFF REGISTER BIT TRANSFER CIRCUIT 4 8 4 OUTPUT REGISTER 8 OUTPUT BUFFER INPUT/OUTPUT BUFFER PM CL FRM I/F CONTROL CIRCUIT M /STB EXP /RST D/I /WR /CE INPUT/OUTPUT BUFFER INPUT REGISTER 8 Y-ADDRESS COUNTER/DECODER 32-bit SHIFT REGISTER 64 SEG1 SEG120 LCD DRIVE CIRCUIT (32) 32-bit SHIFT REGISTER M/S FS1 FS2 VLC1 VLC2 VLC3 VLC4 VLC5 OP-AMP (´5) CONTRAST CONTROL REGISTER X･Y COUNTER SELECT REGISTER COUNTER UP/DOWN REGISTER Z-ADDRESS REGISTER R1 R2 RESISTOR LADDERS DECODER 3 5 CONTRAST CONTROL CIRCUIT WORD LENGTH CONVERTER REGISTER VOUT DC-DC CONVERTER INPUT/OUTPUT...