Table 2-15 Serial Communications Interface (SCI0 and SCI1) Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1
1
1
1
TXD0
Output
Input
Input
Transmit Data (TXD0)—transmit data output
GPIOE0
Input/Outp
ut
Port E GPIO—This pin is a General Purpose I/O (GPIO) pin that
can individually be programmed as input or output pin.
After reset, the default state is SCI output.
RXD0
Input
Input
Input
Receive Data (RXD0)— receive data input
GPIOE1
Input/Outp
ut
Port E GPIO—This pin is a General Purpose I/O (GPIO) pin that
can individually be programmed as input or output pin.
After reset, the default state is SCI input.
TXD1
Output
Input
Input
Transmit Data (TXD1)—transmit data output
GPIOD6
Input/Outp
ut
Port D GPIO—This pin is a General Purpose I/O (GPIO) pin that
can individually be programmed as input or output pin.
After reset, the default state is SCI output.
RXD1
Input
Input
Input
Receive Data (RXD1)— receive data input
GPIOD7
Input/Outp
ut
Port D GPIO—This pin is a General Purpose I/O (GPIO) pin that
can individually be programmed as input or output pin.
After reset, the default state is SCI input.
2.11 CAN Signals
Table 2-16 CAN Module Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Signal Description
Reset
1
MSCAN_ RX
Input
Input
MSCAN Receive Data—MSCAN input. This pin has an internal
(Schmitt)
pull-up resistor.
1
MSCAN_ TX
Output
Output
MSCAN Transmit Data—MSCAN output. CAN output is
open-drain output and pull-up resistor is needed.
56F807 Technical Data Technical Data, Rev. 16
18
Freescale Semiconductor
FREESCALE [ Freescale ]
