Datasheet

Appendix C I/O Port Block Diagrams
Rev.7.00 Feb. 14, 2007 page 1086 of 1108
REJ09B0089-0700
R
PF3DDR
C
QD
Reset
WDDRF
Reset
WDRF
R
PF3DR
C
QD
PF3
RDRF
RPORF
Bus controller
LWR output
Interrupt controller
IRQ interrupt input
LWROD bit
Mode 7
Modes 4 to 6
Internal data bus
Modes
4 to 6
Legend:
WDDRF: Write to PFDDR
WDRF: Write to PFDR
RDRF: Read PFDR
RPORF: Read port F
LWROD: LWR output disable
Figure C.10(d) Port F Block Diagram (Pin PF3)