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HT1670 Datasheet(PDF) 9 Page - Holtek Semiconductor Inc |
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HT1670 Datasheet(HTML) 9 Page - Holtek Semiconductor Inc |
9 / 20 page HT1670 Rev. 1.60 9 November 9, 2010 PATENTED Display Memory - RAM Structure The static display RAM is organized into 1024 ´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 --------- 3D8H 3E0H 3E8H 3F0H 3F8H 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 --------- 3D9H 3E1H 3E9H 3F1H 3F9H 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--------- 3DAH 3E2H 3EAH 3F2H 3FAH COM8 Bit0 Bit0 Bit0 Bit0 Bit0 Bit0 COM9 Bit1 Bit1 Bit1 Bit1 Bit1 Bit1 COM10 Bit2 Bit2 Bit2 Bit2 Bit2 Bit2 COM11 Bit3 Bit3 Bit3 Bit3 Bit3 Bit3 03H 0BH 13H 1BH 23H--------- 3DBH 3E3H 3EBH 3F3H 3FBH 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--------- 3DCH 3E4H 3ECH 3F4H 3FCH 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--------- 3DDH 3E5H 3EDH 3F5H 3FDH 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--------- 3DEH 3E6H 3EEH 3F6H 3FEH 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 --------- 3DFH 3E7H 3EFH 3F7H 3FFH 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 SEG124 SEG125 SEG126 SEG127 128 ´32 Selection Mode RAM Mapping Table |
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