Appendix C I/O Port Block Diagrams
Rev. 8.00 Mar. 09, 2010 Page 617 of 658
REJ09B0042-0800
P3
n
PDR3
n
PUCR3
n
PCR3
n
SBY
V
SS
PDR3: Port data register 3
PCR3: Port control register 3
n = 4 and 3
Internal data bus
V
CC
V
CC
Figure C.2(c) Port 3 Block Diagram (Pins P3
4
and P3
3
)
