PB
n
WPBD:
Write to PBDDR
WPB:
Write to port B
RPB:
Read port B
n = 4 or 5
Figure C-10 (b) Port B Block Diagram (Pins PB
672
Reset
R
Q
D
PB
DDR
n
C
WPBD
Reset
R
Q
D
PB
DR
n
C
RPB
TPC
TPC output
enable
Next data
WPB
Output trigger
ITU
Output enable
Compare
match output
, PB
)
4
5