P&E Microcomputer Systems xPC56XXMB User Manual page 19

On
Off (default)
J27 – LIN1/SCI TxD selection
Controls whether the TxD pin on LIN1 or SCI is connected to the default I/O pin on
the processor. The exact pins used are dependent on the specific Mini‐Module
plugged into the motherboard. Please refer to the Mini‐Module hardware manual
for more details.
Jumper Setting
1+2
2+3
J28 – LIN1/SCI RxD selection
Controls whether the RxD pin on LIN1 or SCI is connected to the default I/O pin on
the processor. The exact pins used are dependent on the specific Mini‐Module
plugged into the motherboard. Please refer to the Mini‐Module hardware manual
for more details.
Jumper Setting
1+2
2+3
xPC56XXMB User Manual
Pin 1 of the LIN1 connector is connected to 12V
Pin 1 of the LIN1 connector is not connected to 12V
Effect
The LIN1 TxD pin is connected to a processor I/O pin.
This should be set if enabling LIN1.
The SCI TxD pin is connected to a processor I/O pin.
Effect
The LIN1 RxD pin is connected to a processor I/O pin.
This should be set if enabling LIN1.
The SCI RxD pin is connected to a processor I/O pin.
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