PEDL9041A-02
OKI Semiconductor
ML9041A-xxA/xxB
2) Relationship between DDRAM addresses and display positions (2-line display mode)
In the 2-line mode, the ML9041A can display up to 40 characters (20 characters per line) from digit 1 to digit
20.
Digit
1
2
3
4
5
19 20
12 13
Display position
DD RAM
Line 1
Line 2
00 01 02 03 04
address (hexadecimal)
40 41 42 43 44
52 53
Note: The DDRAM address at digit 20 in the first line is not consecutive to the DDRAM address at
digit 1 in the second line.
When the display is shifted by instruction, the relationship between the LCD display and the DDRAM address
changes as shown below:
Digit
1
2
3
4
5
19 20
11 12
Line 1
Line 2
27 00 01 02 03
(Display shifted to the right)
(Display shifted to the left)
67 40 41 42 43
51 52
Digit
1
2
3
4
5
19 20
13 14
Line 1
Line 2
01 02 03 04 05
41 42 43 44 45
53 54
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