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AWRL1432: The UARTA serial port cannot read the data

MZB
Intellectual 440 points
Part Number: AWRL1432
Other Parts Discussed in Thread: SYSCONFIG, IWRL6432

Hi.

The SDK I used was MMWAVE_L_SDK_05_03_00_02. I configured uartA through sysconfig on mmwdemo, changed CLItask default uartB to uartA and found that UARTA could not read input data, but could send data out. UARTA is led out from J9 row of needles. By reading the hardware schematic diagram of 1432 development board, it is known that the RX end of UARTA is not welded with R147 resistance. So I welded the 0 ohm resistor, but I still couldn't read the data. My S1 dial switches are on, off, on, off, on, off, and off, and S4 dial switches are off, off, OFF, on. I also encountered the above problem on iwrl6432, but only need to connect the R147 resistor to solve the problem. From the schematic diagram, there is little difference between 1432 and 6432. Do you need any other operation to realize UARTA serial port reading?

best wishes