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Hardware standby
External bus
released
P6
n
WP6D:
Write to P6DDR
WP6:
Write to port 6
RP6:
Read port 6
SSOE:
Software standby output port enable
n = 3 to 6
882
SSOE
Software
standby Mode 6/7
Mode 6/7
Mode
1 to 5
Figure C.6 (d) Port 6 Block Diagram (Pins P6
Q
P6 DDR
Mode 6/7
Q
RP6
Reset
R
D
n
C
WP6D
Reset
R
D
P6 DR
n
C
WP6
to P6
)
3
6
Bus controller
AS output
RD output
HWR output
LWR output
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