Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1250 of 1268
REJ09B0220-0600
R
PF3DDR
C
QD
Reset
WDDRF
Reset
WDRF
R
PF3DR
C
QD
PF
3
RDRF
RPORF
Bus controller
Interrupt controlle
r
LWR output
LWROD
Modes 4 to 6
Mode 7
Modes 4 to 6
Legend:
WDDRF: Write to PFDDR
WDRF: Write to PFDR
RDRF: Read PFDR
RPORF: Read port F
LWROD: LWR output disable
Internal data bus
Figure C.12 (d) Port F Block Diagram (Pin PF
3
)