Datasheet

Appendix B Internal I/O Registers
Rev. 4.00 Jun 06, 2006 page 932 of 1004
REJ09B0301-0400
TCNT0—Timer Counter 0 H'FFA8 (W), H'FFA9 (R) WDT0
TCNT1—Timer Counter 1 H'FFEA (W), H'FFEB (R) WDT1
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
0
0
R/W
2
0
R/W
1
0
R/W
Bit
Initial value
Read/Write
Up-counter
P1PCR—Port 1 MOS Pull-Up Control Register H'FFAC Port 1
7
P17PCR
0
R/W
6
P16PCR
0
R/W
5
P15PCR
0
R/W
4
P14PCR
0
R/W
3
P13PCR
0
R/W
0
P10PCR
0
R/W
2
P12PCR
0
R/W
1
P11PCR
0
R/W
Bit
Initial value
Read/Write
Control of port 1 built-in MOS input pull-ups
P2PCR—Port 2 MOS Pull-Up Control Register H'FFAD Port 2
7
P27PCR
0
R/W
6
P26PCR
0
R/W
5
P25PCR
0
R/W
4
P24PCR
0
R/W
3
P23PCR
0
R/W
0
P20PCR
0
R/W
2
P22PCR
0
R/W
1
P21PCR
0
R/W
Bit
Initial value
Read/Write
Control of port 2 built-in MOS input pull-ups
P3PCR—Port 3 MOS Pull-Up Control Register H'FFAE Port 3
7
P37PCR
0
R/W
6
P36PCR
0
R/W
5
P35PCR
0
R/W
4
P34PCR
0
R/W
3
P33PCR
0
R/W
0
P30PCR
0
R/W
2
P32PCR
0
R/W
1
P31PCR
0
R/W
Bit
Initial value
Read/Write
Control of port 3 built-in MOS input pull-ups