ML9041 데이터 시트보기 (PDF) - Oki Electric Industry

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ML9041

DOT MATRIX LCD CONTROLLER DRIVER

Oki Electric Industry 

¡ Semiconductor

ML9041

2) Relationship between DDRAM addresses and display positions (2–line display mode)

In the 2–line mode, the ML9041 can display up to 40 characters (20 characters per line) from digit

1 to digit 20.

Digit

1234 5

Line 1 0 0 0 1 0 2 0 3 0 4

Line 2 4 0 4 1 4 2 4 3 4 4

19 20

12 13

52 53

Display position

DD RAM

address (hexadecimal)

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

12345

Line 1 2 7 0 0 0 1 0 2 0 3

(Display shifted to the right)

Line 2 6 7 4 0 4 1 4 2 4 3

(Display shifted to the left)

Digit

12345

Line 1 0 1 0 2 0 3 0 4 0 5

Line 2 4 1 4 2 4 3 4 4 4 5

19 20

11 12

51 52

19 20

13 14

53 54

18/54

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