ra8835 Topway Display, ra8835 Datasheet - Page 21

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

RAiO TECHNOLOGY INC.
Version 1.7
6-3-2-2 SL1, SL2
SL1 and SL2 set the number of lines per scrolling screen. The number of lines is SL1 or SL2 plus
one. The relationship between SAD, SL and the display mode is described below.
Note: Set parameters P9 and P10 only if both two-screen drive (W/S = 1) and two-layer
HEX
FE
7F
FF
00
01
↓
↓
configuration are selected. SAD4 is the fourth screen block display start address.
L7
0
0
0
1
1
↓
↓
P10
P1
P2
P3
P4
P5
P6
P7
P8
P9
C
L6
0
0
↓
1
↓
1
1
M SB
Table-11: Screen Block Start Address Selection
Figure 6-11: SCROLL Instruction Parameters
A15
A15
A15
A15
A7
A7
A7
A7
L7
L7
0
L5
0
0
↓
1
↓
1
1
SL1, SL2
A14
A14
A14
A14
A6
L6
A6
L6
A6
A6
1
L4
0
0
1
1
1
↓
↓
A13
A13
A13
A13
A5
A5
A5
A5
L5
L5
0
L3
0
0
1
1
↓
↓
1
A12
A12
A12
A12
A4
L4
A4
L4
A4
A4
0
21/86
L2
A11
A11
A11
A11
A3
0
0
↓
1
↓
1
1
L3
A3
L3
A3
A3
0
A10
A10
A10
A10
A2
A2
A2
A2
L2
L2
L1
1
0
0
1
1
1
↓
↓
A1
A9
A1
A9
A1
A9
A1
A9
L1
L1
0
L0
0
1
1
0
1
↓
↓
A0
A8
A0
A8
A0
A8
A0
A8
L0
L0
0
LSB
[SL] screen lines
(SAD 1H )
(SAD 2H )
(SAD 3H )
(SAD 4H )
(SAD 1L)
(SAD 2L)
(SAD 3L)
(SAD 4L)
(SL2)
(SL1)
Dot Matrix LCD Controller
128
255
256
1
2
↓
↓
www.raio.com.tw
RA8835