r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 1347

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Port Name
Pin Name
Port E
PF7/φ
PF6/AS/AH
PF5/RD
PF4/HWR
MCU
Operating
Mode
3,
7
1, 2, 4
3, 7
1, 2, 4
3, 7
1, 2, 4
3, 7
8-bit
bus
16-bit
bus
Clock
Reset
T
T
output
T
H
T
H
T
Hardware
Standby
Mode
T
T
T
T
T
Software Standby
Mode
Keep
[Data bus]
T
[Other than the
above]
Keep
[Clock output]
H
[Other than the
above]
Keep
[AS output,
OPE = 0]
T
[AS output,
OPE = 1]
H
[Other than the
above]
Keep
[OPE = 0] T
[OPE = 1] H
[RD, HWR output,
OPE = 0]
T
[RD, HWR output,
OPE = 1]
H
[Other than the
above]
Keep
Rev. 1.00 Sep. 19, 2008 Page 1317 of 1342
Bus Release
State
Keep
[Data bus]
T
[Other than the
above]
Keep
[Clock output]
Clock output
[Other than the
above]
Keep
[AS output]
T
[Other than the
above]
Keep
T
[RD, HWR output]
T
[Other than the
above]
Keep
Program
Execution State
Sleep Mode
I/O port
[Data bus]
D7 to D0
[Other than the
above]
I/O port
[Clock output]
Clock output
[Other than the
above]
Input port
[AS output]
AS
[Other than the
above]
I/O port
RD, HWR
[RD, HWR output]
RD, HWR
[Other than the
above]
I/O port
REJ09B0467-0100
Appendix