Hitachi H8S/2633 Hardware Manual page 1150

PF2
Legend
WDDRF : Write to PFDDR
WDRF : Write to PFDR
RDRF : Read PFDR
RPORF : Read port F
1138
Mode 4/5/6
Mode 4/5/6
Figure C-11 (c) Port F Block Diagram (Pin PF2)
Reset
Q
PF2DDR
WDDRF
Reset
Mode 4/5/6
Q
PF2DR
WDRF
R
D
C
Bus controller
Wait enable
R
D
C
Bus request
output enable
Bus request
output
RDRF
RPORF
Wait input
LCAS output enable
LCASS bit
LCAS output