Datasheet

Appendix
Page 1370 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
P50/
BREQO-B
1, 2, 3, 4, 7 T T [BREQO-B
output]
BREQO-B
[Other than the
above]
Keep
[BREQO-B
output]
BREQO-B
[Other than the
above]
Keep
[BREQO-B
output]
BREQO-B
[Other than the
above]
I/O port
Port 8 1, 2, 3, 4, 7 T T Keep Keep I/O port
P95/DA3 1, 2, 3, 4, 7 T T [DAOE3 = 1]
Keep
[DAOE3 = 0]
T
Keep Input port
P94/DA2 1, 2, 3, 4, 7 T T [DAOE2 = 1]
Keep
[DAOE2 = 0]
T
Keep Input port
PA7/A23/CS7 1, 2, 3, 4, 7 T T [CS output,
OPE = 0]
T
[CS output,
OPE = 1]
H
[Address output,
OPE = 0]
T
[Address output,
OPE = 1]
Keep
[Other than the
above]
Keep
[CS output]
T
[Address output]
T
[Other than the
above]
Keep
[CS output]
CS
[Address output]
A23
[Other than the
above]
I/O port