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CC2640R2F: UART_read issues

Part Number: LAUNCHXL-CC1350
Other Parts Discussed in Thread: TMP107, CC1350, CC2640R2F


I have this strange issue where UART_read is not working properly. I'm trying to interface TMP107. Write is fine, I can see comm going out (0x55, 0x57) and TMP107 response as expected. But, UART_read can't see neither echo nor response. It reads 0xE3 instead...