Hitachi H8S/2678 Series Reference Manual page 360

*
PH3
WDDRH: Write to PHDDR
WDRH: Write to PHDR
WPFCR0: Write to PFCR0
RPORH: Read port H
RDRH: Read PHDR
RPFCR0: Read PFCR0
Figure 5.65 Port H Block Diagram (c) (Pin PH3)
Modes 1, 2, 4, 5, 6
Mode 7
Modes
1, 2, 4, 5, 6
Mode 7
Note: * Output enable signal
Reset
R
Q D
PH3DR
C
WDRH
Set
S
Q D
PFCR0
CS7E
C
WPFCR0
RPFCR0
Reset
R
Q D
System controller
PH3DR
C
EXPE
WDRH
Bus controller
CS
OE
OEE
Set
S
Q D
PFCR2
OES
C
WPFCR2
RPFCR2
RDRH
RPORH
Interrupt controller
ITS7
IRQ7 input
343