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HT1660 Datasheet(PDF) 9 Page - Holtek Semiconductor Inc |
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HT1660 Datasheet(HTML) 9 Page - Holtek Semiconductor Inc |
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9 / 18 page ![]() HT1660 Rev. 1.00 9 September 16, 2003 Display Memory - RAM Structure The static display RAM is organized into 768 ´4 bits and stores the display data. The contents of the RAM are directly mapped to the contents of the LCD driver. Data in the RAM can be accessed by the READ, WRITE and READ-MODIFY-WRITE commands. The following is a mapping from the RAM to the LCD patterns. 00H 08H 10H 18H 20H --------- 2D8H 2E0H 2E8H 2F0H 2F8H COM0 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM1 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM2 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM3 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 01H 09H 11H 19H 21H --------- 2D9H 2E1H 2E9H 2F1H 2F9H COM4 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM5 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM6 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM7 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 02H 0AH 12H 1AH 22H--------- 2DAH 2E2H 2EAH 2F2H 2FAH COM8 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM9 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM10 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM11 Bit3 Bit3 Bit03 Bit3 Bit3 Bit3 03H 0BH 13H 1BH 23H--------- 2DBH 2E3H 2EBH 2F3H 2FBH COM12 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM13 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM14 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM15 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 04H 0CH 14H 1CH 24H--------- 2DCH 2E4H 2ECH 2F4H 2FCH COM16 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM17 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM18 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM19 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 05H 0DH 15H 1DH 25H--------- 2DDH 2E5H 2EDH 2F5H 2FDH COM20 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM21 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM22 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM23 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 06H 0EH 16H 1EH 26H--------- 2DEH 2E6H 2EEH 2F6H 2FEH COM24 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM25 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM26 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM27 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 07H 0FH 17H 1FH 27H --------- 2DFH 2E7H 2EFH 2F7H 2FFH COM28 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM29 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM30 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM31 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 SEG0 SEG1 SEG2 SEG3 SEG92 SEG93 SEG94 SEG95 96 ´32 Selection Mode RAM Mapping Table |
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