ST7556 Sitronix Technology, ST7556 Datasheet - Page 24

• Manufacturer Part Number: ST7556
• Description: 65 x 102 Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

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ST7556
H=”0”
Display Control
This bits D and E selects the display mode.
Flag
Set Y address of RAM
Y [3:0] defines the Y address vector address of the display RAM.
X/Y Address range
Set X address of RAM
The X address points to the columns. The range of X is 0…101.
Ver 2.2
Y
0
0
0
0
0
0
0
0
1
1
3
D,E
X
A0
A0
A0
0
0
0
0
1
1
1
1
0
0
0
:
6
Y
0
0
0
0
1
1
1
1
0
0
2
Description
D
0
1
0
1
WR(R/W)
WR(R/W)
WR(R/W)
Y
0
0
1
1
0
0
1
1
0
0
1
X
0
0
0
0
1
1
1
1
:
0
E
0
0
1
1
0
0
5
Y
0
1
0
1
0
1
0
1
0
1
0
The bits D and E select the display mode.
Display off
Normal display
All display segments on
Inverse video mode
X
0
0
0
0
0
0
0
0
:
D7
D7
Page0 (display RAM)
Page1 (display RAM)
Page2 (display RAM)
Page3 (display RAM)
Page4 (display RAM)
Page5 (display RAM)
Page6 (display RAM)
Page7 (display RAM)
Page8 (display RAM)
Page9 (display RAM)
D7
4
0
0
1
CONTENT
X
0
0
0
0
0
0
0
0
:
D6
D6
D6
X
3
0
1
6
X
0
0
0
0
0
0
1
1
D5
D5
D5
:
X
0
0
2
5
X
0
0
1
1
1
1
0
0
D4
D4
D4
X
:
0
0
1
4
24/43
X
ALLOWED X-RANGE
0
1
0
1
0
1
0
1
D3
D3
D3
Y
X
:
1
0
3
3
0 to 101
0 to 101
0 to 101
0 to 101
0 to 101
0 to 101
0 to 101
0 to 101
0 to 101
0 to 101
D2
D2
D2
Y
X
D
2
2
Column address
100
101
98
99
D1
D1
D1
Y
X
0
1
2
3
0
:
1
1
D0
D0
D0
Y
X
E
0
0
2005/10/05