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P8
n
WP8D:
Write to P8DDR
WP8:
Write to port 8
RP8:
Read port 8
SSOE:
Software standby output port enable
n = 1, 2
Figure C.4 (b) Port 8 Block Diagram (Pins P8
594
External bus released
Hardware standby
SSOE
Software standby
Reset
R
Q
D
P8 DDR
n
C
WP8D
Reset
R
Q
D
P8 DR
n
C
WP8
RP8
1
Bus controller
Interrupt
controller
IRQ
1
IRQ
2
and P8
)
2
CS
2
CS
3
output
input
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