參數(shù)資料
型號(hào)： ML9041A-01BCVWA
廠商： OKI ELECTRIC INDUSTRY CO LTD
元件分類(lèi)： 顯示控制器
英文描述： 17 X 100 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC175
封裝： 10.62 X 2.55 MM, GOLD BUMP, DIE-175
文件頁(yè)數(shù)： 14/64頁(yè)
文件大小： 653K
代理商： ML9041A-01BCVWA
PEDL9041A-02
OKI Semiconductor
ML9041A-xxA/xxB
21/64
Arbitrator RAM (ABRAM)
The arbitrator RAM (ABRAM) stores arbitrator display data.
100 dots can be displayed in both 1-line and 2-line display modes. The arbitrator RAM has the addresses
(hexadecimal) from “00” to “1F” and the valid display address area is from 00 to 19 (0H to 13H). The area of 20 to
31 (14H to 1FH) not used for display can be used as a data RAM area for general data. Even if the display is shifted
by instruction, the arbitrator display is not shifted.
A capacity of 8 bits by 32 addresses (= 256 bits) is available for data write.
First set the mode to increment or decrement from the CPU, and then input the ABRAM address.
Write Display-ON data in the ABRAM through DB
0 to DB7.
DB
0 to DB7 correspond to the ABRAM data bit weights 0 to 7 respectively. Input data “1” represents the ON status
of an LCD dot and “0” represents the OFF status.
Since ADC is automatically incremented or decremented by 1 after the data is written to the ABRAM, it is not
necessary to set the ABRAM address again.
Whereas ABRAM data bit weights 0 to 4 are output as display data to the LCD, the ABRAM data bit weights 5 to
7 are not. These bits can be used as a RAM area.
The cursor or blink is also displayed even when a CGRAM or ABRAM address is set in the ADC. Therefore, the
cursor or blink display should be inhibited while the ADC is holding a CGRAM or ABRAM address.
MSB
LSB
DB
6 DB5 DB4 DB3 DB2 DB1 DB0
Hexadecimal
ADC
The arbitrator RAM can store a maximum of 100 dots of the arbitrator Display-ON data in units of 5 dots.
The relationship with the LCD display positions is shown below.
*
E4 E3 E2 E1
E0
DB6
*
DB7
DB5 DB4 DB3 DB2 DB1 DB0
* Don’t Care
Display - ON data
E4
E0
5XSn+1
5XSn+5
Configuration of input display data
Input data
Relationship between display-ON
data and segment pins
Sn = ABRAM address (0 to 19)
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