ST7571 Sitronix Technology, ST7571 Datasheet - Page 66

• Manufacturer Part Number: ST7571
• Description: 4 Gray Scale Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

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ST7571
15. APPLICATION PROGRAM EXAMPLE
Programming example for displaying data with ST7571:
Ver 1.5a
Step
3.a
3.b
3.c
4.a
4.b
10
1
2
5
6
7
8
9
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
DB7
x’
0
0
1
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
DB6
x’
0
0
0
0
0
1
0
0
0
0
1
1
1
1
1
1
0
0
0
0
DB5
DB5
DB5
DB5
EV5
DB5
DB5
DB5
DB5
DB5
DB5
DB5
DB5
DB5
1
0
1
1
0
0
1
1
1
1
0
0
0
0
0
0
1
1
0
0
Bus Status
DB4
DB4
DB4
DB4
EV4
DB4
DB4
DB4
DB4
DB4
DB4
DB4
DB4
DB4
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
DB3
DB3
DB3
DB3
EV3
DB3
DB3
DB3
DB3
DB3
DB3
DB3
DB3
DB3
1
1
1
0
0
0
1
1
0
0
1
1
1
1
1
1
0
0
0
0
DB2
DB2
DB2
DB2
DB2
DB2
DB2
DB2
DB2
DB2
DB2
DB2
DB2
EV2
R2
B2
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
DB1
DB1
DB1
DB1
DB1
DB1
DB1
DB1
DB1
DB1
DB1
DB1
DB1
EV1
R1
B1
x’
0
1
0
1
1
1
1
0
0
0
0
0
0
1
1
0
0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
DB0
EV0
R0
66/76
B0
0
0
1
1
1
1
0
0
1
1
1
1
1
1
0
0
0
0
LCD Display
Mode Set:
FR[3:0]=0000; BE[1:0]=10
OSC ON
Set Ra/Rb (R[2:0])
Set contrast (EV[5:0])
Set Bias (B[2:0])
Set Power Control
Booster=ON,
Regulator=ON,
Follower=ON
Display Control
Display ON
Write Data
X, Y are default 0 after reset.
Skip setting X & Y here.
Write Data
Write Data
Write Data
Write Data
Write Data
Operation Description
2009/7/21