ST7558
Set Y address of RAM
Y [3:0] defines the Y address vector address of the display RAM.
A0
0
D7
0
D6
1
D5
0
D4
0
D3
Y3
D2
Y2
D1
Y1
D0
Y0
WR(R/W)
0
X/Y Address range
Y3 Y2 Y1 Y0
CONTENT
ALLOWED X-RANGE
0 to 101
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
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)
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
Set X address of RAM
The X address points to the columns. The range of X is 0…101.
A0
0
D7
1
D6
X6
D5
X5
D4
X4
D3
X3
D2
X2
D1
X1
D0
X0
WR(R/W)
0
X6
0
0
0
0
:
1
1
1
1
X5
0
0
0
0
:
1
1
1
1
X4
X3
X2
X1
X0
Column address
0
0
0
0
:
0
0
0
0
0
0
0
0
:
0
0
0
0
0
0
0
0
:
0
0
1
1
0
0
1
1
:
1
1
0
0
0
1
0
1
:
0
1
0
1
0
1
2
3
:
98
99
100
101
Set Loading Control
Improve Out Put Driving in Heavy Loading
A0
D7
D6
D5
D4
D3
D2
1
0
D1
D0
WR(R/W)
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
1
0
1
Ver 2.3
30/56
2005/10/05
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
