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ST7541 Datasheet(PDF) 39 Page - Sitronix Technology Co., Ltd.

Part # ST7541
Description  4 Gray Scale Dot Matrix LCD Controller/Driver
PDF  78 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7541 Datasheet(HTML) 39 Page - Sitronix Technology Co., Ltd.

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ST7541
Ver 1.9
39/78
2007/9/3
Set Column Address
Sets the Column Address of display RAM from the microprocessor into the column address register. Along with the Column
Address, the Column Address defines the address of the display RAM to write or read display data.
When the microprocessor reads or writes display data to or from display RAM, Column Addresses are automatically
increased.
Set Column Address MSB
A0
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
0
0
0
1
0
Y7
Y6
Y5
Set Column Address LSB
A0
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
0
0
0
0
Y4
Y3
Y2
Y1
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Column Address
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
:
:
:
:
:
:
:
:
1
1
1
1
1
1
0
126
1
1
1
1
1
1
1
127
Set Read-modify-Write
This instruction stops the automatic increment of the column address by the read display data instruction, but the column
address is still increased by the write display data instruction. And it reduces the load of microprocessor when the data of a
specific area is repeatedly changed during cursor blinking or others. This mode is canceled by the reset Read-modify-Write
instruction.
A0
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
1
1
0
0
0
0
0



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