Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1249 of 1268
REJ09B0220-0600
R
PF2DDR
C
QD
Reset
WDDRF
Reset
WDRF
R
PF2DR
C
QD
PF
2
RDRF
RPORF
Bus request output
enable
Bus request output
Wait input
Wait enable
LCAS output enable
*
LCAS output
*
BREQOPS
WAITPS
Bus controller
Modes 4 to 6
Modes 4 to 6
Modes 4 and 6
Legend:
WDDRF: Write to PFDDR
WDRF: Write to PFDR
RDRF: Read PFDR
RPORF: Read port F
WAITPS: WAIT pin select
BREQOPS: BREQO pin select
Note: * Not supported in the H8S/2321.
Internal data bus
Figure C.12 (c) Port F Block Diagram (Pin PF
2
)