ra8835a RAIO Technology Inc., ra8835a Datasheet - Page 23

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

RAiO TECHNOLOGY INC.
Version 1.0
6-3-2 SCROLL
6-3-2-1 C
Set the scroll start address and the number of lines per scroll block. Parameters P1 to P10 can be
omitted if not required. The parameters must be entered sequentially as shown in Figure 6-11.
Note: Set parameters P9 and P10 only if both two-screen drive (W/S = 1) and two-layer
HEX
FE
FF
00
01
7F
↓
↓
configuration are selected. SAD4 is the fourth screen block display start address.
L7
0
0
↓
0
↓
1
1
P10
P 1
P 2
P 3
P 4
P 5
P 6
P 7
P 8
P 9
C
L6
0
0
↓
1
↓
1
1
M S B
Table-11: Screen Block Start Address Selection
Figure 6-11: SCROLL Instruction Parameters
A15
A15
A15
A15
A 7
A7
A7
A7
L7
L7
0
L5
0
0
↓
1
↓
1
1
SL1, SL2
A 14
A 14
A 14
A 14
A 6
A 6
A 6
A 6
L6
L6
1
L4
0
0
↓
1
↓
1
1
A 13
A 13
A 13
A 13
A 5
L5
A5
L5
A5
A5
0
L3
0
0
↓
1
↓
1
1
A12
A12
A12
A12
A 4
A4
A4
A4
L4
L4
0
23/88
L2
A11
A11
A11
A11
A 3
0
0
1
1
1
A 3
A 3
A 3
↓
↓
L3
L3
0
A10
A10
A10
A10
A 2
A2
A2
A2
L2
L2
L1
1
0
0
1
1
1
↓
↓
A 1
A9
L1
A1
A9
L1
A1
A9
A1
A9
0
L0
0
1
1
0
1
↓
↓
A 0
A8
A0
A8
A0
A8
A0
A8
L0
L0
0
LS B
[SL] screen lines
(S AD 1H )
(S AD 2H )
(S AD 3H )
(S AD 4H )
(S AD 1L)
(S AD 2L)
(S AD 3L)
(S AD 4L)
(SL2)
(SL1)
Dot Matrix LCD Controller
128
255
256
1
2
↓
↓
RA8835A
www.raio.com.tw