ra8803 RAIO Technology Inc., ra8803 Datasheet - Page 21

• Manufacturer Part Number: ra8803
• Description: Two Layers Character/graphic Lcd Controller Specification
• Manufacturer: RAIO Technology Inc.

Version 2.5
RAiO
REG [A2h] Key Scan Data Register (KSDR)
REG [A3h] Key Scan Data Expand Register (KSER)
REG [B0h] Interrupt Column Setup Register (INTX)
REG [B1h] Interrupt Row Setup Register (INTY)
REG [C0h] Touch Panel Control Register (TPCR)
TECHNOLOGY INC.
5-4
2-0
7-0
7-0
7-0
7-6
5-0
Bit
Bit
Bit
Bit
Bit
3
Column Address of Interrupt
Row Address of Interrupt
0 : 8x8 Matrix
Key Scan Data Sampling Times
0 0 : 2h
0 1 : 4h
1 0 : 8h
1 1 : 16h
Reserved
Key Scan Frequency Selection
0 0 0 : 2 x FRM
0 0 1 : 4 x FRM
0 1 0 : 8 x FRM
0 1 1 : 16 x FRM
1 0 0 : 32 x FRM
1 0 1 : 64 x FRM
1 1 0 : 128 x FRM
1 1 1 : 256 x FRM
Key Scan KC[7~0] Output
Key Scan KR[7~0] Input
Reserved
If Cursor Position X Register (CPXR)=INTX, then an interrupt
occurred.
If Cursor Position Y Register (CPYR)=INTY, then an interrupt has
occurred.
Description
Description
Description
Description
Description
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Two Layers Character/Graphical LCD Controller
RA8803/8822
Default
Default
Default
Default
Default
EFh
www.raio.com.tw
27h
0h
0h
0h
0h
0h
0h
Access
Access
Access
Access
Access
R/W
R/W
R/W
R/W
R/W
R
R
R