Hitachi H8S/2646 Hardware Manual page 1145

MCU
Port Name Operating
Pin Name Mode
PF5/RD 4 to 6
PF4/HWR
7
PF3/LWR 4 to 6
7
PF2/WAIT 4 to 6
7
PF0 4 to 7
Port H 4 to 7
Port J 4 to 7
Port K 4 to 7
Legend:
H : High level
L : Low level
T : High impedance
kept : Input port becomes high-impedance, output port retains state
Port : Determined by port setting (input is high-impedance)
DDR : Data direction register
OPE : Output port enable
WAITE : Wait input enable
Hardware
Standby
Reset Mode Software Standby Mode
H T [OPE = 0]
T
[OPE = 1]
H
T T [Segment output]
port
[Otherwise]
kept
H T [OPE = 0]
T
[OPE = 1]
H
T T kept
T T [Segment output]
port
[Otherwise]
kept
T T [Segment output]
port
[Otherwise]
kept
T T kept
T T kept
T T kept
T T kept
Program Execution State
Sleep Mode
RD, HWR
[Segment output]
SEG19, SEG18
[Otherwise]
I/O port
LWR
I/O port
[WAITE = 1]
WAIT
[Segment output]
SEG17
[Otherwise]
I/O port
I/O port
I/O port
I/O port
I/O port
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