Appendix B Internal I/O Registers
Address Register
(low)
Name
Bit 7
H'DA
H'DB
H'DC
PDR9
P9
7
⎯
H'DD
PDRA
H'DE
PDRB
PB
7
H'DF
H'E0
PUCR1
PUCR1
H'E1
PUCR3
PUCR3
H'E2
PUCR5
PUCR5
H'E3
H'E4
PCR1
PCR1
H'E5
PCR2
PCR2
H'E6
PCR3
PCR3
⎯
H'E7
PCR4
H'E8
PCR5
PCR5
H'E9
H'EA
H'EB
H'EC
PCR9
PCR9
⎯
H'ED
PCRA
H'EE
H'EF
H'F0
SYSCR1 SSBY
SYSCR2 ⎯
H'F1
⎯
H'F2
IEGR
H'F3
IENR1
IENTA
H'F4
IENR2
IENDT
H'F5
H'F6
IRR1
IRRTA
H'F7
IRR2
IRRDT
H'F8
H'F9
IWPR
IWPF7
Rev.3.00 Jul. 19, 2007 page 462 of 532
REJ09B0397-0300
Bit 6
Bit 5
P9
P9
6
5
⎯
⎯
PB
PB
6
5
PUCR1
PUCR1
7
6
5
PUCR3
PUCR3
7
6
5
PUCR5
PUCR5
7
6
5
PCR1
PCR1
7
6
5
PCR2
PCR2
7
6
5
PCR3
PCR3
7
6
5
⎯
⎯
PCR5
PCR5
7
6
5
PCR9
PCR9
7
6
5
⎯
⎯
STS2
STS1
⎯
⎯
⎯
⎯
IENS1
IENWP
⎯
IENAD
⎯
IRRS1
⎯
IRRAD
IWPF6
IWPF5
Bit Names
Bit 4
Bit 3
Bit 2
P9
P9
P9
4
3
2
⎯
PA
PA
3
2
PB
PB
PB
4
3
2
PUCR1
PUCR1
PUCR1
4
3
PUCR3
PUCR3
PUCR3
4
3
PUCR5
PUCR5
PUCR5
4
3
PCR1
PCR1
PCR1
4
3
PCR2
PCR2
PCR2
4
3
PCR3
PCR3
PCR3
4
3
⎯
⎯
PCR4
PCR5
PCR5
PCR5
4
3
PCR9
PCR9
PCR9
4
3
⎯
PCRA
PCRA
3
⎯
STS0
LSON
NESEL
DTON
MSON
IEG4
IEG3
IEG2
IEN4
IEN3
IEN2
⎯
IENTFH IENTFL
IRRI4
IRRI3
IRRI2
⎯
IRRTFH IRRTFL IRRTC
IWPF4
IWPF3
IWPF2
Bit 1
Bit 0
P9
P9
1
0
PA
PA
1
0
PB
PB
1
0
PUCR1
PUCR1
2
1
0
PUCR3
PUCR3
2
1
0
PUCR5
PUCR5
2
1
0
PCR1
PCR1
2
1
0
PCR2
PCR2
2
1
0
PCR3
PCR3
2
1
0
PCR4
PCR4
2
1
0
PCR5
PCR5
2
1
0
PCR9
PCR9
2
1
0
PCRA
PCRA
2
1
0
⎯
⎯
SA1
SA0
IEG1
IEG0
IEN1
IEN0
IENTC
IENTB
IRRI1
IRRI0
IRRTB
IWPF1
IWPF0
Module
Name
I/O ports
System
control