HD44780UBXXTF 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD44780UBXXTF

Dot Matrix Liquid Crystal Display Controller/Driver

Hitachi -> Renesas Electronics 

HD44780U

 Case 2: For a 16-character × 2-line display, the HD44780 can be extended using one 40-output

extension driver. See Figure 6.

When display shift operation is performed, the DDRAM address shifts. See Figure 6.

Display

position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

DDRAM 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F

address

40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F

HD44780U display

Extension driver

display

For

shift left

01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10

41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50

For

27 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E

shift right

67 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E

Figure 6 2-Line by 16-Character Display Example

12

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