ra8835 Topway Display, ra8835 Datasheet - Page 20

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

RAiO TECHNOLOGY INC.
Version 1.7
6-3-2 SCROLL
Note: As the MWRITE command always enables the cursor, the cursor position can be checked
6-3-1-3 FP
Each pair of bits in FP sets the attributes of one screen block, as follows. The display attributes are
as follows:
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: If SAD4 is enabled by setting W/S to 1, FP3 and FP2 control both SAD2 and SAD4. The
even when performing consecutive writes to display memory while the cursor is flashing.
attributes of SAD2 and SAD4 cannot be set independently.
Table-10: Screen Block Attribute Selection
FC1
FP1
FP3
FP5
0
0
1
1
0
0
1
1
Table-9: Cursor Flash Rate Selection
FC0
FP0
FP2
FP4
0
1
0
1
0
1
0
1
Third screen block (SAD3)
ON
ON
First screen block (SAD1)
(SAD2, SAD4). See note.
20/86
Second screen block
Cursor display
OFF (blank)
OFF (blank)
Flash at f
Flash at f
Flash at f
Flash at f
(approx. 16 Hz)
(approx. 2 Hz)
(approx. 1 Hz)
(approx. 2 Hz)
No flashing
No flashing
FR
FR
FR
FR
/32 Hz
/64 Hz
/32 Hz
/4 Hz
Dot Matrix LCD Controller
www.raio.com.tw
RA8835