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Peripheral Expansion Connectors
MOTOROLA
Technical Summary
2-23
2.14.4 Serial Communications Port #0 Expansion Connector
The Serial Communications Port #0 is an MPIO port attached to the SCI #0 expansion
connector. This port can be configured as a Serial Communications Interface or as Timer
Port C channels. Refer to
for connection information.
2.14.5 Serial Communications Port #1 Expansion Connector
The Serial Communications Port #1 is an MPIO port attached to the SCI #0 expansion
connector. This port can be configured as a Serial Communications Interface or as SPI0
signals. Refer to
for connection information.
2.14.6 Encoder #0 / Quad Timer Channel A Expansion Connector
The Encoder #0 / Quad Timer Channel A port is an MPIO port attached to the Timer A
expansion connector. This port can be configured as a Quadrature Decoder interface port,
as a Quad Timer port, or as GPIO. Refer to
for the signals attached to the
connector.
Table 2-17. SCI #0 Connector Description
J21
Pin #
Signal
Pin #
Signal
1
TXD0 / TC0
2
RXD0 / TC1
3
GND
4
+3. 3V
5
GND
6
+5. 0V
Table 2-18. SCI #1 Connector Description
J17
Pin #
Signal
Pin #
Signal
1
TXD1 / SS0
2
RXD1 / MISO0
3
GND
4
+3. 3V
5
GND
6
+5. 0V
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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