375
Appendix C I/O Port Block Diagrams
C.1
Port 1 Block Diagrams
SBY (low level during reset
and in standby mode)
PUCR1
7
PMR1
7
PDR1
7
PCR1
7
Internal
data bus
PDR1:
PCR1:
PMR1:
PUCR1:
Port data register 1
Port control register 1
Port mode register 1
Port pull-up control register 1
V
CC
V
CC
IRQ
3
Timer F module
TMIF
V
SS
P1
7
Figure C.1 (a) Port 1 Block Diagram (Pin P1
7
)