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AWR6843AOP: Serial port data transmission

Cherry Zhou
Mastermind 22235 points
Part Number: AWR6843AOP

Hi team,

Here's an issue from the customer may need your help:

The EVM board for awr6843aop connects two serial ports to USB, RS232 is the CLI serial port and the MSS_Debugger is the data serial port for output results. 

However, in the out of box routine, F14 is multiplexed to the data serial transmit pin. But the 6843aop doesn't have F14 pin. From the schematic, it should be the E2 pin.

Instead of using the EVM development board, the customer brought out the E2 pin on a custom board and turned it into a USB connection to the PC via CP2102, but found no data, and did not see data output through oscilloscope. The firmware of the out of box routine for 6843aop has been flashed and the command from profile.cfg has been sent.

Could you help check this case? Thanks.

Best Regards,

Cherry