Datasheet

Appendix
R01UH0309EJ0500 Rev. 5.00 Page 1365 of 1408
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
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
1, 2, 3, 4, 7 T T [BREQO-A output]
BREQO-A
[Other than the
above]
Keep
[BREQO-A output]
BREQO-A
[Other than the
above]
Keep
[BREQO-A output]
BREQO-A
[Other than the
above]
I/O port
PG3/CS3
RAS3/CAS*
1
PG2/CS2
RAS2/RAS*
1
PG1/CS1
1, 2, 3, 4, 7 T T [CS output,
OPE = 0]
T
[CS output,
OPE = 1]
H
[Other than the
above]
Keep
[CS output]
T
[Other than the
above]
Keep
[CS output]
CS
[Other than the
above]
I/O port
1, 2 H PG0/CS0
3, 4, 7 T
T [CS output,
OPE = 0]
T
[CS output,
OPE = 1]
H
[Other than the
above]
Keep
[CS output]
T
[Other than the
above]
Keep
[CS output]
CS
[Other than the
above]
I/O port