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HCD44780 View Datasheet(PDF) - Hitachi -> Renesas Electronics
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HCD44780
Dot Matrix Liquid Crystal Display Controller/Driver
Hitachi -> Renesas Electronics
HCD44780 Datasheet PDF : 60 Pages
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HD44780U
Table 4 Correspondence between Character Codes and Character Patterns (ROM Code: A00)
Upper 4
Lower
Bits
0000
4 Bits
CG
RAM
xxxx0000
(1)
0001 0010
0011
0100 0101
0110
0111 1000
1001 1010
1011
1100 1101
1110 1111
xxxx0001 (2)
xxxx0010 (3)
xxxx0011 (4)
xxxx0100 (5)
xxxx0101
(6)
xxxx0110 (7)
xxxx0111
(8)
xxxx1000 (1)
xxxx1001 (2)
xxxx1010
(3)
xxxx1011 (4)
xxxx1100
(5)
xxxx1101 (6)
xxxx1110 (7)
xxxx1111 (8)
Note: The user can specify any pattern for character-generator RAM.
17
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