ML9042 datasheet(17/58 Pages) OKI

Part #	ML9042

Description	DOT MATRIX LCD CONTROLLER DRIVER

PDF	58 Pages

Scroll/Zoom	100%

Manufacturer	OKI [OKI electronic componets]

Direct Link	http://www.oki.com

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17 / 58 page

FEDL9042-01

OKI Semiconductor

ML9042-xx

17/58

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

In the 2-line mode, the ML9042 can display up to 40 characters (20 characters per line) from digit 1 to digit 20.

00 01 02 03 04

Digit

12 13

19 20

40 41 42 43 44

52 53

Line 1

Line 2

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 position and the DDRAM

address changes as shown below:

27 00 01 02

Digit

11 12

19 20

67 40 41 42

51 52

Line 1

Line 2

01 02 03 04

Digit

13 14

19 20

41 42 43 44

53 54

Line 1

Line 2

(Display shifted to the right)

(Display shifted to the left)

ML9042 Datasheet(PDF) 17 Page - OKI electronic componets