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C.11
Port B Block Diagrams
PBn
WPBD:
Write to PBDDR
WPB:
Write to port B
RPB:
Read port B
SSOE:
Software standby output port enable
n = 0 , 2
Figure C.11 (a) Port B Block Diagram (Pins PB
898
Software standby
SSOE
Hardware
standby
Bus released
Mode
1 to 5
Reset
R
Q
D
PB DDR
n
C
WPBD
Reset
R
Q
D
PB DR
n
C
RPB
Bus controller
CS output enable
TPC
TPC output
enable
Next data
WPB
Output trigger
8-bit timer
Output enable
Compare
match output
and PB
)
0
2
CS7
CS5 output
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