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Appendix C I/O Port Block Diagrams
Hardware standby
PA
n
WPAD:
Write to PADDR
WPA:
Write to port A
RPA:
Read port A
n = 2 and 3
Figure C.10 (b) Port A Block Diagram (Pins PA
Rev. 4.00 Jan 26, 2006 page 904 of 938
REJ09B0276-0400
Reset
R
Q
D
PA DDR
n
C
WPAD
Reset
R
Q
D
PA DR
n
C
RPA
2
TPC
TPC
output
enable
Next
data
WPA
Output
trigger
16-bit timer
Output
enable
Compare
match
output
Input
capture
Counter
clock
input
8-bit timer
Counter
clock input
, PA
)
3
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