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Appendix C I/O Port Block Diagrams
Hardware standby
External bus
released
P6
4
WP6D:
Write to P6DDR
WP6:
Write to port 6
RP6:
Read port 6
SSOE:
Software standby output port enable
Rev. 4.00 Jan 26, 2006 page 888 of 938
REJ09B0276-0400
SSOE
Software
standby Mode 6/7
Mode 6/7
Mode 6/7
Mode
1 to 5
Figure C.6 (e) Port 6 Block Diagram (Pin P6
Reset
R
Q
D
P6 DDR
4
C
WP6D
Reset
R
Q
D
Bus controller
P6 DR
4
C
WP6
RP6
)
4
WE output
enable
RD output
WE output
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