D12320VF25V Datasheet, PDF (1117/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

C.10 Port F
Appendix C I/O Port Block Diagrams
Reset
Modes 4 to 6
R
Q
D
PF0DDR
C
WDDRF
Reset
Port
CS25E bit
PF0CS4S bit
Bus controller
BRLE bit
R
PF0
Q
D
PF0DR
C
WDRF
Chip select
RDRF
RPORF
Legend:
WDDRF: Write to PFDDR
WDRF: Write to PFDR
RDRF: Read PFDR
RPORF: Read port F
CS25E: CS25 enable
PF0CS4S: Port F0 chip select 4 select
BRLE: Bus release enable
Bus request input
Interrupt controller
IRQ interrupt input
Figure C.10(a) Port F Block Diagram (Pin PF0)
Rev.7.00 Feb. 14, 2007 page 1083 of 1108
REJ09B0089-0700