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Hardware
standby
PA
n
WPAD:
Write to PADDR
WPA:
Write to port A
RPA:
Read port A
SSOE:
Software standby output port enable
n = 4 to 7
Note: The PA
address output enable setting is fixed at 1 in modes 3 and 4.
7
Figure C.10 (c) Port A Block Diagram (Pins PA
Software standby
SSOE
Bus released
Address output enable
Mode 3/4
Reset
R
Q
D
PA
DDR
n
C
WPAD
Reset
R
Q
D
PA
DR
n
C
PRA
Rev. 4.00 Jan 26, 2006 page 905 of 938
Appendix C I/O Port Block Diagrams
to PA
)
4
7
REJ09B0276-0400
TPC
TPC output
enable
Next data
Output trigger
16-bit timer
Output enable
Compare match
output
Input capture
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