HD64F3028F25 Datasheet, PDF (904/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Hardware
Pin
Standby Software Standby
Name Mode Reset Mode
Mode
Bus-Released
Mode
Program Execution
Mode
P80 1 to 5 T
T
• When DRAM space
is not selected^*1
(RFSHE=0)
Keep
(RFSHE=1)
Illegal setting
• When DRAM space
is selected^*1
(RFSHE=0)
Keep
(RFSHE=1)
Illegal setting
(RFSHE=0)
I/O port
(RFSHE=1)
RFSH
• When DRAM space • When DRAM space
is selected^*2
is selected^*2
(RFSHE=0)
(RFSHE=0)
Keep
Keep
(RFSHE=1,
(RFSHE=1)
SRFMD=0, SSOE=0) T
T
(RFSHE=1,
SRFMD=0, SSOE=1)
H
(RFSHE=1,
SRFMD=1)
RFSH
6, 7 T
T
Keep
—
I/O port
P81 1 to 5 T
T
• When DRAM space
is selected^*3
(SSOE=0)
T
(SSOE=1)
H
• When DRAM space
is selected^*4
Keep
• Otherwise^{*5 *1}
(DDR=0)
T
(DDR=1, SSOE=0)
T
(DDR=1, SSOE=1)
H
• When DRAM space
is selected^*3
T
• When DRAM space
is selected^*4
Keep
• Otherwise^*1
(DDR=0)
Keep
(DDR=1)
T
• When DRAM space
is selected and RAS3
is output
RAS3
• When DRAM space
is selected and RAS3
is not output
I/O port
• Otherwise
(DDR=0)
Input port
(DDR=1)
CS3
6, 7 T
T
Keep
—
I/O port
Rev. 2.00, 09/03, page 872 of 890