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* Detailed Description:
*
* FlexIO module is configured for UART RX and TX function.
* Timer 0 and Shifter 0 is used for UART TX function.
* Timer 1 and Shifter 1 is used for UART RX function.
* Timer 2 is used for idle detection.
* Baud rate = 115200
* HW connection: PTA0 - TX, PTA1 - RX, PTA7 is used to signalize idle detection.
* Connect PTA0 and PTA1 to create external loopback for this test.
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* Test HW: S32K144EVB
* MCU: FS32K144HAMLL 0N57U
* Fsys: 80MHz
* Debugger: Lauterbach Trace32
* Target: internal_FLASH
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