Appendix C I/O Port Block Diagrams
V
CC
V
CC
P3
n
V
SS
PDR3: Port data register 3
PCR3: Port control register 3
PMR3: Port mode register 3
PUCR3: Port pull-up control register 3
n = 2 and 1
Figure C.2(d) Port 3 Block Diagram (Pins P3
Rev. 7.00 Mar 10, 2005 page 622 of 652
REJ09B0042-0700
SBY
PUCR3
n
PMR3
n
PDR3
n
PCR3
n
and P3
)
2
1
TMOFH (P3
)
2
TMOFL (P3
)
1