ST7541 datasheet(39/78 Pages) SITRONIX

tên linh kiện	ST7541

Giải thích chi tiết về linh kiện	4 Gray Scale Dot Matrix LCD Controller/Driver

PDF	78 Pages

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nhà sản xuất	SITRONIX [Sitronix Technology Co., Ltd.]

Trang chủ	http://www.sitronix.com.tw

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39 / 78 page

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

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

Set Column Address LSB

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

Column Address

126

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.

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

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