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2.22.1 Port B Expansion Connector
Port B is a GPIO port which is connected to the Port B header. The pins of the port,
PB0-PB7, are dedicated to general purpose I/O and Interrupt operations. The GPIO port
pins may be programmed as inputs, outputs or level-sensitive interrupt inputs.
shows the port pin to headed connections.
2.22.2 Port D Expansion Connector
Port D is an MPIO port with signal lines attached to various headers. The six pins of the
port, PD0-PD5, are dedicated to general purpose operation. The remaining two pins, PD6
and PD7, are shared with the TXD1 and RXD1 signal lines. The GPIO port pins may be
programmed as inputs, outputs or level-sensitive interrupt inputs.
exclusive Port D signals. The shared Port D signals are contained in
Table 2-12. Port B Connector Description
Pin #
Signal
1
PB0
3
PB2
5
PB4
7
PB6
9
GND
Table 2-13. Port D Connector Description
Pin #
Signal
1
PD0
3
PD2
5
PD4
7
GND
Technical Summary
J20
Pin #
Signal
2
PB1
4
PB3
6
PB5
8
PB7
10
+3.3V
J23
Pin #
Signal
2
PD1
4
PD3
6
PD5
8
+3.3V
Peripheral Connectors
Table 2-12
Table 2-13
shows the
Table
2-20.
2-27
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