参数资料
型号: ML9044A-XXACVWA
厂商: LAPIS SEMICONDUCTOR CO LTD
元件分类: 显示控制器
英文描述: 17 X 120 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC189
封装: GOLD BUMP, DIE-189
文件页数: 9/65页
文件大小: 726K
代理商: ML9044A-XXACVWA
PEDL9044A-04
OKI Semiconductor
ML9044A-xxA/xxB
16/64
Display Data RAM (DDRAM)
This RAM stores the 8-bit character codes (see Table 2).
The DDRAM addresses correspond to the display positions (digits) of the LCD as shown below. The DDRAM
addresses (to be set in the ADC) are represented in hexadecimal.
MSB
LSB
DB
6 DB5 DB4 DB3 DB2 DB1 DB0
Hexadecimal
2
0
ADC
0
1
0
1
0
1
ADC
(Example) Representation of DDRAM address = 12
1) Relationship between DDRAM addresses and display positions (1-line display mode)
00 01 02 03 04
16 17
Digit
1
2
3
4
5
23 24
Left
end
Right
end
Display position
DD RAM address (hexadecimal)
In the 1-line display mode, the ML9044A can display up to 24 characters from digit 1 to digit 24. While the
DDRAM has addresses “00” to “4F” for up to 80 character codes, the area not used for display can be used as a
RAM area for general data. When the display is shifted by instruction, the relationship between the LCD
display and the DDRAM address changes as shown below:
4F 00 01 02
15 16
Digit
1
23
4
23 24
(Display shifted to the right)
01 02 03 04
17 18
Digit
1 23
4
05
523 24
(Display shifted to the left)
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