RA8835A
Version 1.0
Dot Matrix LCD Controller
Table-25: Initialization Procedure (continued)
No.
Command
OVLAY
Operation
6
C = 5BH
P1 = 01H
MX 1, MX 0: Inverse video superposition
DM 1: First screen block is text mode
DM 2: Third screen block is text mode
7
DISP ON/OFF
C = 58H
D: Display OFF
P1 = 56H
FC1, FC0: Flash cursor at 2 Hz
FP1, FP0: First screen block ON
FP3, FP2: Second and fourth screen blocks
ON
FP5, FP4: Third screen block ON
Fill first screen layer memory with 20H (space
character)
Fill second screen layer memory with 00H
(blank data)
8
9
Clear data in first layer
Clear data in second layer
Display
Character code in every position
1st layer
Black code in every position
2nd layer
10
11
CSRW
C = 46H
P1 = 00H
P2 = 00H
CSR FORM
C = 5DH
P1 = 04H
Set cursor to start of first screen block
CRX: Horizontal cursor size = 5 pixels
CRY: Vertical cursor size = 7 pixels
CM: Block cursor
P2 = 86H
12
DISP ON/OFF
C = 59H
Display ON
Display
13
CSR DIR
C = 4CH
Set cursor shift direction to right
(continued)
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