ra8802 RAIO Technology Inc., ra8802 Datasheet - Page 12

• Manufacturer Part Number: ra8802
• Description: Character/graphic Lcd Controller
• Manufacturer: RAIO Technology Inc.

Version 1.3
RAiO
REG [10h] Cursor Control Register (CCR)
REG [20h] Active Window Right Register (AWRR)
Note: REG [20h, 30h, 40h, 50h] are used for the function of change line and page. Users can use these four
Registers to set a block as an active window. When data goes beyond the right boundary of active window
(The value is set by REG [20h, 30h, 40h, 50h]), then the cursor will automatically change the line and write in
data continuously. It means the cursor will move to the left boundary of active window, which is set by REG
[40h]. When the data comes to the bottom line of the right side (set by REG [20h and 30h]), then the cursor
7-6
5-0
Bit
Bit
7
6
5
4
3
2
1
0
TECHNOLOGY INC.
Auto Increase Cursor Position in reading DDRAM operation.
1: Enable
0: Disable
Chinese/English character alignment
1: Enable
0: Disable
The bit only valid in character mode, that can align full-size and
half-size mixed font
Store Current Data to DDRAM
1: Store Current Data to DDRAM directly
0: Store Current Data to DDRAM Inversely
Set Bold font (character mode only)
1: Store Data shift 1 + origin data (Black Font)
0: Store Data Normality (origin Font)
Auto Increase Cursor Position in writing DDRAM operation.
1: Enable
0: Disable
Cursor display control
1: Set cursor on
0: Set cursor off
Cursor blink control
1: blink Cursor. The blink time is determined by register[80h] BTR
0: Normal
Set Cursor width
1: Cursor width is auto adjust by input data
0: Cursor is fixed at one byte width
Reserved
Active window right position
Description
Segment-Right
Description
12/12
Character/Graphic LCD Controller
Text/Graph
Text/Graph
Text/Graph
Text/Graph
Text/Graph
Text/Graph
Text
Text
Text
RA8802/8820
www.raio.com.tw
Default Access
Default Access
xxh
0h
1h
1h
1h
1h
0h
0h
0h
0h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R