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Interrupt not working in UART after power up

Question asked by Dino David on Jan 12, 2016
Latest reply on Jan 17, 2016 by Alice_Yang

I have written a simple application in freescale kinetis TRK-KEA128 MCU for UART loop back.

I have enabled receive interrupt and in the ISR i will transmit back the recieved char.

I am using Putty to test the behaviour. Everything works fine until I switch off the board.

Later when I switch on and transmit a character via Putty, no data is written back to the Putty terminal.

 

What could be the reason behind it?

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