RA8806
Preliminary Version 1.0
Two Layers Character/Graphic LCD Controller
REG [10h] Whole Chip Cursor Control Register (WCCR)
Bit
Description
Default
Access
CUR_INC (Auto Increase Cursor Position in Reading/Writing DDRAM
Operation.)
1 : Disable.
7
0
R/W
0 : Enable(Auto Increase).
FULL_OFS (Full-size and Half-size Character Alignment)
1 : Enable, in Full-size and Half-size character mixed mode. Chinese
always start at full-size alignment.
6
5
0
0
R/W
R/W
0 : Disable.
Reversed Data Write mode
0 : Store Current Data to DDRAM Directly.
1 : Store Current Data to DDRAM Inversely.(i.e. 01101101Î
10010010)
Bold Font (Character Mode Only)
1 : Bold Font
0 : Normal Font
Font Rotate mode(T90DEG)
1 : Font rotates 90 degree. (See Section 6-10-4 for detail)
0 : Normal font.
4
3
2
0
0
0
R/W
R/W
R/W
Cursor Display
1 : Set Cursor Display On.
0 : Set Cursor Display Off.
Cursor Blinking
1 : Blink Cursor. The blink time is determined by register BTMR.
0 : Normal.
1
0
0
0
R/W
R
Reserved
REG [11h] Cursor Height and Word Interval Register (CHWI)
Bit
Description
Default
Access
Set Cursor Height
0000 b Æ Height = 1 pixel.
0001 b Æ Height = 2 pixels.
0010 b Æ Height = 3 pixels.
:
:
7-4
0000
R/W
1111 b Æ Height = 16 pixels.
Note: In normal font, the cursor width fixed to one byte(8 pixels). And
cursor’s height is from 1~16pixels that depends on Bit[7:4]. In vertical
font, the cursor height fixed to 16 pixels, and width is from 1~8 pixels
that depends on Bit[6:4].
Set Line Gap
0000 b Æ Gap = 1 pixel.
0001 b Æ Gap = 2 pixels.
0010 b Æ Gap = 3 pixels.
:
3-0
0000
R/W
:
1111 b Æ Gap = 16 pixels.
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