ra8835 Topway Display, ra8835 Datasheet - Page 53

• Manufacturer Part Number: ra8835
• Description: Dot Matrix Lcd Controller
• Manufacturer: Topway Display

RAiO TECHNOLOGY INC.
Version 1.7
7-17 Character Codes
CGRAM AD
The following figure shows the character codes and the codes allocated to CG RAM. The CG RAM if
not using the internal ROM can use all codes.
MWRITE
CSRDIR
CSRW
P16
P1
P2
P1
P2
P2
P3
P4
P5
P6
P7
P8
P8
P
↓
5CH
4CH
00H
40H
46H
00H
48H
42H
70H
88H
88H
88H
F8H
88H
88H
00H
00H
00H
↓
Reverse the CG RAM address calculation to calculate SAG
Set cursor shift direction to right
CG RAM start address is 4800H
Write ROW 0 data
Write ROW 1 data
Write ROW 2 data
Write ROW 3 data
Write ROW 4 data
Write ROW 5 data
Write ROW 6 data
Write ROW 7 data
Write ROW 8 data
↓
Write ROW 15 data
Table-23: Character Data Example
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Dot Matrix LCD Controller
www.raio.com.tw
RA8835