ST7578
Set X Address of RAM
The X address points to the columns. The range of X is 0…101.
A0
R/W(RWR)
D7
D6
D5
D4
D3
D2
D1
D0
0
0
1
X6
X5
X4
X3
X2
X1
X0
X6
X5
0
0
0
0
:
X4
X3
0
0
0
0
:
X2
X1
X0
0
1
0
1
:
Column address
0
0
0
0
:
0
0
0
0
:
0
0
0
0
:
0
0
1
1
:
0
1
2
3
:
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
0
0
1
0
1
99
100
101
H=1 (Extended Instruction)
Display Configuration
Top/bottom row mode set data order
A0
R/W(RWR)
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
1
DO
X
X
Flag
Description
DO=0: LSB is on top
DO=1: MSB is on top
Refer to Page 23.
DO
System Bias
Select LCD bias ratio of the voltage required for driving the LCD.
A0
R/W(RWR)
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
1
0
BS2
BS1
BS0
Recommend LCD Bias Voltage
BS2
0
BS1
0
BS0
Bias
0
1
0
1
0
1
0
1
11
10
9
Symbol
V0
Voltage for 1/9 Bias
0
0
V0
0
1
VG
2/9 x V0
1/9 x V0
VSS
0
1
8
VM
1
0
7
VSS
1
0
6
* VG range: 1.24V ≤ VG < VDD2.
* VM range: 0.62V ≤ VM < VDD2.
1
1
5
1
1
4
Ver 1.2
30/52
2007/04/30
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
