HD64F3028F25 Datasheet, PDF (906/925 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
PA6 to 3 to 5 T
T
PA4
• Address output^*5
(SSOE=0)
T
(SSOE=1)
Keep
• Otherwise^*6
Keep
PA7 1, 2 T
T
Keep
3, 4 L
T
(SSOE=0)
T
(SSOE=1)
Keep
5
L
T
• When A20E = 0
SSOE = 0
T
SSOE = 1
Keep
• When A20E = 1
Keep
6, 7 T
T
PB1 to 1 to 5 T
T
PB0
Keep
• CS output^*7
(SSOE=0)
T
(SSOE=1)
H
• Otherwise^*8
Keep
6, 7 T
T
PB2 1 to 5 T
T
Keep
• RAS5 output^*9
(SSOE=0)
T
(SSOE=1)
H
• CS output^*10
(SSOE=0)
T
(SSOE=1)
H
• Otherwise^*11
Keep
6, 7 T
T
Keep
Bus-Released
Mode
• Address output^*5
T
• Otherwise^*6
Keep
Keep
T
• When A20E = 0
T
• When A20E = 1
Keep
—
• CS output^*7
T
• Otherwise^*8
Keep
—
• RAS5 output^*9
T
• CS output^*10
T
• Otherwise^*11
Keep
—
Program Execution
Mode
• Address output
A23 to A21
• Otherwise
I/O port
I/O port
A20
• When A20E = 0
A20
• When A20E = 1
I/O port
I/O port
• CS output
CS7 to CS6
• Otherwise
I/O port
I/O port
• RAS5 output
RAS5
• CS output
CS5
• Otherwise
I/O port
I/O port
Rev. 2.00, 09/03, page 874 of 890