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C.10
Port A Block Diagrams
Hardware standby
PA
n
WPAD:
Write to PADDR
WPA:
Write to port A
RPA:
Read port A
n = 0 and 1
Figure C.10 (a) Port A Block Diagram (Pins PA
Appendix C I/O Port Block Diagrams
Reset
R
Q
D
PA DDR
n
C
WPAD
Reset
R
Q
D
PA DR
n
C
WPA
RPA
Rev. 4.00 Jan 26, 2006 page 903 of 938
TPC
TPC
output
enable
Next data
Output
trigger
DMA controller
Output
enable
Transfer
end output
16-bit timer
Counter
clock input
8-bit timer
Counter
clock input
, PA
)
0
1
REJ09B0276-0400
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