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ST7541 Datasheet(PDF) 72 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) 72 Page - Sitronix Technology Co., Ltd.

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ST7541
Ver 1.9
72/78
2007/9/3
programming example for ST7541(Use IIC Interface)
SETP
SERIAL BUS BYTE
DISPLAY
OPERATION
1
IIC INTERFACE Start
2
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Slave address for write
3
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
0
0
0
Control byte with cleared Co
bit and A0 set to logic 0
4
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
1
1
0
0
0
0
0
0
0
1
0
x’
0
Mode Set.
FR[3:0] = 0000
BE= 1
5
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
0
1
0
1
1
OSC ON
6.a DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
1
1
0
0
1
DC1 DC0
Set DC-DC Step up
Set Vout
6.b DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
0
0
R2 R1 R0
Set Ra/Rb
Set R[2:0]
6.c DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
0
0
0
0
0
1
x’
x’
Ev5 Ev4 Ev3 Ev2 Ev1 Ev0
Set EV
Set Ev[5:0]
6.d DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
1
0
1
0
B2 B1 B0
Set Bias
Set B[2:0]
7.a SET pulse width of Gray scale
Gray-Scale Setting
7.b DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
1
1
0
0
0
0
0
0
0
0
1
x’
0
Mode Set.
8.a DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
0
1
1
1
1
SET Power Control
Booster ON
Regulator ON
Follower ON
8.b DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
0
1
1
1
1
Display control.
Display on
9
IIC INTERFACE Start
restart
10
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Slave address for write
11
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
1
0
0
0
0
0
0
Control byte with clear Co bit
and A0 set to logic 1
12
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
0
0
1
1
0
0
0
1
0
0
1
1
0
Data Write.
Y,X are initialized to 0 by
default, so they aren’t set
here…
13
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
1
0
0
1
0
0
1
0
1
0
0
1
0
0
1
Data Write.



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