ra8835 Topway Display, ra8835 Datasheet - Page 63

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

RAiO TECHNOLOGY INC.
Version 1.7
8-1-5 Display Mode Setting Example 3: combining three graphics layers
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P5 = 1FH
P6 = C8H
P7 = XH
P8 = XH
P9 = XH
P10 = XH
CSR FORM
C = 5DH
P1 = 07H
P2 = 87H
HDOT SCR
C = 5AH
P1 = 00H
OVLAY
C = 5BH
P1 = 0CH
DISP ON/OFF
C = 59H
P1 = 16H
X = Don’t care
Conditions
Display
Memory Allocation
320x200 pixels, single-panel drive (1/200 duty cycle)
First layer: graphics display
Second layer: graphics display
Third layer: graphics display
All layers (graphics): 320/8 = 40 characters per line, 200/1 = 200 lines. Required
memory size = 40x200 = 8000 bytes.
(8000 bytes)
0000H
1st graphics layer
Figure 8-4: Three Layer Graphics
(8000 bytes)
2nd graphics layer
1F40H
1F3FH
63/86
(8000 bytes)
3E80H
3rd graphics layer
3E7FH
5DBFH
Dot Matrix LCD Controller
www.raio.com.tw
RA8835