ML9040-AXXGA Ver la hoja de datos (PDF) - Oki Electric Industry

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ML9040-AXXGA

DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER

Oki Electric Industry 

¡ Semiconductor

ML9040-Axx/-Bxx

When the display is shifted by instruction, the correspondence between the LCD

display position and the DD RAM address changes as shown below:

(Display shifted to right)

First line

First

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

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

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

ML9040-Axx/-Bxx display

MSM5259 display

(Display shifted to left)

First line

First

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

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

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

ML9040-Axx/-Bxx display

MSM5259 display

(8) Since the ML9040-Axx/-Bxx has a DD RAM capacity of up to 80 characters, up to 4

MSM5259 devices can be connected to the ML9040-Axx/-Bxx in the 2-line display

mode.

First

digit 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

33 34 35 36 37 38 39 40

First line 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11

20 21 22 23 24 25 26 27

Second line 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51

60 61 62 63 64 65 66 67

ML9040-Axx/-Bxx display

MSM5259 (1) display MSM5259 MSM5259 (4) display

(2) - (3) display

Character Generator ROM (CG ROM)

The CG ROM is used to generate 5 x 7 dots (160 kinds) or 5 x 10 dots (32 kinds) character

patterns from an 8-bit DD RAM character code signal.

The correspondence between 8-bit character codes and character patterns is shown in

Table 2.

When the 8-bit character code of the CG ROM is written to the DD RAM, the character

pattern of the CG ROM corresponding to the code is displayed on the LCD display position

corresponding to the DD RAM address.

17

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