Example MPC5777M LINFlex UART Echo SW pooling GHS614

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* Detailed Description:

*

* Simple LINFlex UART mode transmit and receive without interrupts (polled UART)

* TXFIFO and RXFIFO macro is used to select between buffer and FIFO mode

*

* PIT channel 0 is also used to generate 1sec interrupt where PA0 pin is toggled.

*

* EVB connection:

*

*   Motherboard

*   J14 - SCI_RX OFF

*   J13 - SCI_TX OFF

*   J25 - SCI_PWR ON

*

* See results on PC terminal (19200, 8N1, None).

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* Test HW:  MPC5777M, MPC57xx Motherboard + MPC5777M_512DS minimodule

* Maskset:  0N78H

* Target :  RAM, internal_FLASH

* Fsys:     600 MHz PLL1 with 40 MHz crystal reference,

*        core2 at 200MHz generated from PPL1

* Terminal: 19200, 8N1

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