Port F Block Diagram - Renesas H8S/2633 Series Hardware Manual

C.11

Port F Block Diagram

PF0
Legend
WDDRF : Write to PFDDR
WDRF : Write to PFDR
RDRF : Read PFDR
RPORF : Read port F
Modes 4 to 6
Figure C-11 (a) Port F Block Diagram (Pin PF0)
Reset
R
Q D
PF0DDR
C
WDDRF
Bus controller
BRLE bit
Reset
R
Q D
PF0DR
C
WDRF
RDRF
RPORF
Bus request input
IRQ interrupt input
1331