Datasheet

Appendix B Internal I/O Registers
Rev. 4.00 Sep 27, 2006 page 1013 of 1130
REJ09B0327-0400
KBCOMP—Keyboard Comparator Control Register H'FEE4 IrDA/Expansion A/D
7
IrE
0
R/W
6
IrCKS2
0
R/W
5
IrCKS1
0
R/W
4
IrCKS0
0
R/W
3
KBADE
0
R/W
0
KBCH0
0
R/W
2
KBCH2
0
R/W
1
KBCH1
0
R/W
Bit
Initial value
Read/Write
AN6
CIN0
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
AN7
CIN8
CIN9
CIN10
CIN11
CIN12
CIN13
CIN14
CIN15
Keyboard comparator control
Bit 3
KBADE
0
1
A/D converter
channel 6 input
A/D converter
channel 7 input
Bit 2
KBCH2
—
0
1
Bit 1
KBCH1
—
0
1
0
1
Bit 0
KBCH0
—
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
B × 3/16 (3/16 of the bit rate)
φ/2
φ/4
φ/8
φ/16
φ/32
φ/64
φ/128
IrDA Clock select 2 to 0
IrDA enable
0
The TxD2/IrTxD and RxD2/IrRxD pins function as TxD2 and RxD2
1 The TxD2/IrTxD and RxD2/IrRxD pins function as IrTxD and IrRxD