Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1248 of 1268
REJ09B0220-0600
R
PF1DDR
C
QD
Reset
WDDRF
Modes 4 to 6
Reset
WDRF
R
PF1DR
C
QD
PF
1
RDRF
RPORF
Bus controller
BRLE bit
Legend:
WDDRF: Write to PFDDR
WDRF: Write to PFDR
RDRF: Read PFDR
RPORF: Read port F
Internal data bus
Bus request
acknowledge output
Figure C.12 (b) Port F Block Diagram (Pin PF
1
)