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Port
Description
Port B • 8-bit I/O port
Legend:
SCI0: Serial communication interface channel 0
SCI1: Serial communication interface channel 1
TPC:
Programmable timing pattern controller
16TIM: 16-bit timer
8TIM: 8-bit timer
Pins
Mode 1
PB
/TP
TPC output (TP
7
15
PB
/TP
6
14
PB
/TP
5
13
PB
/TP
4
12
PB
/TP
/TMIO
/
TPC output (TP
3
11
3
CS
TMO
4
input/output
PB
/TP
/TMO
/
2
10
2
CS
5
PB
/TP
/TMIO
/
1
9
1
CS
6
PB
/TP
/TMO
/
0
8
0
CS
7
Expanded Modes
Mode 2
to TP
) and generic input/output
15
12
to TP
), 8-bit timer input and output (TMIO
11
8
), CS
to CS
, TMIO
, TMO
2
1
0
7
Mode 3
Mode 4
output, and generic
4
,
3
141
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