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Appendix D Pin States
Pin
Name Mode Reset
PA
to
3 to 5 T
6
PA
4
PA
1, 2
T
7
3, 4
L
5
L
6, 7
T
PB
to
1 to 5 T
1
PB
0
6, 7
T
PB
1 to 5 T
2
6, 7
T
Rev. 4.00 Jan 26, 2006 page 918 of 938
REJ09B0276-0400
Hardware
Standby
Software Standby
Mode
Mode
Address output *
T
(SSOE=0)
T
(SSOE=1)
Keep
Otherwise *
Keep
T
Keep
T
(SSOE=0)
T
(SSOE=1)
Keep
T
When A20E = 0
SSOE = 0
T
SSOE = 1
Keep
When A20E = 1
Keep
T
Keep
CS output *
T
(SSOE=0)
T
(SSOE=1)
H
Otherwise *
Keep
T
Keep
RAS5 output *
T
(SSOE=0)
T
(SSOE=1)
H
CS output *
(SSOE=0)
T
(SSOE=1)
H
Otherwise *
Keep
T
Keep
Bus-Released
Mode
5
Address output *
T
Otherwise *
Keep
6
Keep
T
When A20E = 0
T
When A20E = 1
Keep
—
7
CS output *
T
Otherwise *
Keep
8
—
9
RAS5 output *
T
CS output *
T
Otherwise *
10
Keep
11
—
Program Execution
Mode
5
Address output
A
to A
23
21
6
Otherwise
I/O port
I/O port
A
20
When A20E = 0
A
20
When A20E = 1
I/O port
I/O port
7
CS output
CS
to CS
7
6
8
Otherwise
I/O port
I/O port
9
RAS5 output
RAS5
10
CS output
CS5
11
Otherwise
I/O port
I/O port
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