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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 = 5 and 6
Figure C.6 (f) Port 6 Block Diagram (Pins P6
SSOE
Software
standby Mode 6/7
Mode 6/7
Mode 6/7
Mode
1 to 5
Appendix C I/O Port Block Diagrams
Reset
R
Q
D
P6 DDR
n
C
WP6D
Reset
R
Q
D
P6 DR
n
C
WP6
RP6
and P6
)
5
6
Rev. 4.00 Jan 26, 2006 page 889 of 938
Bus controller
CAS output
enable
HWR output
LWR output
UCAS output
LCAS output
REJ09B0276-0400
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