Datasheet

Appendix
Page 1362 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
1, 2 L T [OPE = 0]
T
[OPE = 1]
Keep
T [Address output]
A7 to A0
Port C
3, 4, 7 T T [Address output,
OPE = 0]
T
[Address output,
OPE = 1]
Keep
[Other than the
above]
Keep
[Address output]
T
[Other than the
above]
Keep
[Address output]
A7 to A0
[Other than the
above]
I/O port
1, 2, 4 T T T T D15 to D8,
AD15 to AD8
Port D
3, 7 T T [Data bus,
address/data
multiplexed bus]
T
[Other than the
above]
Keep
[Data bus,
address/data
multiplexed bus]
T
[Other than the
above]
Keep
[Data bus,
address/data
multiplexed bus]
D15 to D8,
AD15 to AD8
[Other than the
above]
I/O port
8-bit
bus
T T Keep Keep I/O port Port E 1,
2,
4
16-
bit
bus
T T T T D7 to D0,
AD7 to AD0