P&E Microcomputer Systems xPC56XXMB User Manual - page 22
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xPC56XXMB User Manual
J30 – LIN2/SCI RxD selection
Controls whether the RxD pin on LIN2 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.
Figure 3-5: LIN2 schematic (Not populated by default)
3.5
SCI
One SCI interface is available on the xPC56XXMB.
Jumper Setting
Effect
1+2
The LIN2 RxD pin is connected to a processor I/O pin.
This should be set if enabling LIN2.
2+3
The SCI RxD pin is connected to a processor I/O pin.