Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1247 of 1268
REJ09B0220-0600
C.12 Port F
R
PF0DDR
C
QD
Reset
WDDRF
Reset
WDRF
R
C
QD
PF
0
RDRF
RPORF
Bus request input
PF0DR
Bus controller
BRLE bit
Modes 4 to 6
Legend:
WDDRF: Write to PFDDR
WDRF: Write to PFDR
RDRF: Read PFDR
RPORF: Read port F
Internal data bus
Figure C.12 (a) Port F Block Diagram (Pin PF
0
)