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CCS/CC3235MODSF: UART communication using CC3235MOD Simplelink Wi-Fi module

Part Number: CC3235MODSF
Other Parts Discussed in Thread: SYSCONFIG

Tool/software: Code Composer Studio

hello,

I am using cc3235mod simplelink Wi-Fi module and cc32xx sdk pack for my application building purpose. 

I want communication of Wi-Fi module with other devices using UART communication protocol.

I have worked on "uartecho"  program from the SDK example codes  and I got the output on XDS110 uart pins(J3 connector of module).

But now, I want to do the loopback operation on booster pack pins (pin3 and pin 4) of module.I know how to use sysconfig tool and I have declared the pins as TX and RX using sysconfig tool.

I have also shorted Tx and Rx of booster pack using wires but I haven't got any output.

so,

1) Is there anything I have missed out?

2) Is there any hardware settings which I have to do?

3) If I want to use XDS110 uart pins (for UART0)  and booster pack uart pins(for UART1) simultaneously then how can I do that?