Datasheet

Appendix
Page 1376 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Port Name
Pin Name
MCU
Operating
Mode
Reset
Hardware
Standby
Mode
Software
Standby Mode
Bus Release
State
Program
Execution State
Sleep Mode
PF0/
WAIT-A/
OE-A
1, 2, 3, 4, 7 T T [WAIT-A input]
T
[OE-A output]
T
[OE-A output,
OPE = 1]
H
[Other than the
above]
Keep
[WAIT-A input]
T
[OE-A output,
OPE = 0]
T
[Other than the
above]
Keep
[WAIT-A input]
WAIT-A
[OE-A output,
OPE = 0]
OE-A
[Other than the
above]
I/O port
PG6/BREQ-A 1, 2, 3, 4, 7 T T [BREQ-A input]
T
[Other than the
above]
Keep
[BREQ-A input]
BREQ-A
[Other than the
above]
Keep
[BREQ-A input]
BREQ-A
[Other than the
above]
I/O port
PG5/BACK-A 1, 2, 3, 4, 7 T T [BACK-A output]
BACK-A
[Other than the
above]
Keep
[BACK-A output]
BACK-A
[Other than the
above]
Keep
[BACK-A output]
BACK-A
[Other than the
above]
I/O port
PG4/
BREQO-A/
CS4
1, 2, 3, 4, 7 T T [BREQO-A
output]
BREQO-A
[CS4 output,
OPE = 0]
T
[CS4 output,
OPE = 1]
H
[Other than the
above]
Keep
[BREQO-A
output]
BREQO-A
[CS4 output]
T
[Other than the
above]
Keep
[BREQO-A
output]
BREQO-A
[CS4 output]
CS4
[Other than the
above]
I/O port