ra8803 RAIO Technology Inc., ra8803 Datasheet - Page 20

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

Version 2.5
RAiO
REG [A0h] Interrupt Setup & Status Register (INTR)
REG [A1h] Key Scan Controller Register (KSCR)
Note: Any Bit of Bit3~Bit0 set to ”1”, then the BUSY Signal will be enable. The Polarity of BUSY depends
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Bit
Bit
7
6
7
6
5
4
3
2
1
0
on the Bit4 of Register [01h].
Key Scan Interrupt Flag
1 : Key Scan Detects Key Input
Touch Panel Interrupt Mask
1 : Generate interrupt output if touch panel was detected.
Touch Panel Detect
0 : Touch Panel Untouched
Cursor Column Status
1 : The Cursor Column is equal to INTX
0 : The Cursor Column is not equal to INTX
Cursor Row Status
1 : The Cursor Row is equal to INTY
0 : The Cursor Row is not equal to INTY
Key Scan Interrupt Mask
1 : Enable Key Scan Interrupt.
0 : Disable Key Scan Interrupt
Register[B0h] INTX Event Mask
1 : Enable INTX Interrupt.
0 : Disable INTX Interrupt
Register[B1h] INTY Event Mask
1 : Enable INTY Interrupt.
Note: SYS_DW=0, If LCD Data Bus is 4it then SCCR has to ≥ 4.
0 : Key Scan doesn’t Detect Key Input
1 : Touch Panel Touched
0 : Don’t generate interrupt output if touch panel was detected.
0 : Disable INTY Interrupt
Key Scan Enable Bit
1 : Enable
0 : Disable
Key Scan Matrix Selection
1 : 4x4 Matrix
signal.
SYS_DW=1, If LCD Data Bus is 8it then SCCR has to ≥ 2.
Enable BUSY signal.
Enable BUSY signal.
Description
Description
Enable BUSY signal.
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Two Layers Character/Graphical LCD Controller
Enable BUSY
RA8803/8822
Default
Default
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0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
Access
Access
(Read
Clear)
(Read
Clear)
(Read
Clear)
(Read
Clear)
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R