ra8835a RAIO Technology Inc., ra8835a Datasheet - Page 67

• Manufacturer Part Number: ra8835a
• Description: Dot Matrix Lcd Controller
• Manufacturer: RAIO Technology Inc.

RAiO TECHNOLOGY INC.
Version 1.0
◎
SYSTEM
C = 40H
P1 = 30H
P2 = 87H
P3 = 07H
P4 = 27H
P5 = 2FH
P6 = C7H
P7 = 28H
P8 = 00H
SCROLL
C = 44H
P1 = 00H
P2 = 00H
P3 = C8H
P4 = 40H
P5 = 1FH
P6 = C8H
P7 = 80H
P8 = 3EH
P9 = XH
P10 = XH
CSR FORM
C = 5DH
P1 = 07H
P2 = 87H
HDOT SCR
C = 5AH
P1 = 00H
OVLAY
C = 5BH
P1 = 1CH
Register
Setup Procedure
(1/6) x 9 x [TC/R] x 200 = 1/70
[TC/R] = 48, so TC/R = 2FH
SET TC/R calculation
f
f
OSC
FR
(8000 bytes)
0000H
1st graphics layer
= 70 Hz
= 6 MHz
Figure 8-4: Three Layer Graphics
(8000 bytes)
2nd graphics layer
1F40H
1F3FH
67/88
(8000 bytes)
3E80H
3rd graphics layer
3E7FH
5DBFH
Dot Matrix LCD Controller
RA8835A
www.raio.com.tw