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HCD66727A04 Datasheet(PDF) 6 Page - Hitachi Semiconductor |
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HCD66727A04 Datasheet(HTML) 6 Page - Hitachi Semiconductor |
6 / 97 page HD66727 6 HD66727 Block Diagram Serial interface • I2C bus • Clock synchro- nized serial Data register (DR) Busy flag (BF) Instruction register (I R) Address counter (AC) Timing generator Display data RAM (DDRAM) 60 x 8 bits Character generator RAM (CGRAM) 32 bytes Character generator ROM (CGROM) 11,520 bits Parallel/serial converter 60-bit latch circuit 60-bit segment shift register Segment driver LCD drive voltage selector Cursor and blink controller CPG Instruction decoder ID1/CS* SDA SCL VCC GND COM1/32– COM32/1 SEG1/60– SEG60/1 OSC1 OSC2 8 8 6 6 8 7 7 8 8 6 6 Vci Double/triple booser C1 6 3 Segmemt RAM (SGRAM) 8 bytes IM RESET* C2 +– V2 +– V3 +– +– V5OUT2 V5OUT3 Annunciator driver ASEG1– ASEG12 ACOM +– VEE COMS1/2 EXM RR 2R R R VR TEST V1OUT V2OUT V3OUT V4OUT V5OUT OPOFF VREF VREFP VREFM AGND ID0 Key scan timing controller Key scan registers (SCAN0–SCAN7) KIN0– KIN3 KST0– KST7 4 Common driver 34-bit bidirectional common shift register LED output port LED0– LED2 PORT0– PORT2 |
Similar Part No. - HCD66727A04 |
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Similar Description - HCD66727A04 |
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