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CCS/CC1352R: Error -242 while trying to flash custom hardware

Part Number: CC1352R

Tool/software: Code Composer Studio

Hello,

My team and I designed a board based on CC1352 but in our first time trying to flash the microcontroller (flashing the gpiointerrupt for CC13552 example), we had Error -242 'SC_ERR_ROUTER_ACCESS_SUBPATH'. We had same problem with a launchxlcc1352 but it was a firmware problem and was impossible to solve it (https://e2e.ti.com/support/tools/ccs/f/81/p/842914/3118208#3118208).

We are flashing the CC1352 using the XDS110 Debug Probe (We flashed other launchxl and works well)

I was reading Debugging JTAG secction and it seems like it can be a software or hardware problem.

 - Software: I think it can't be a software problem. First because we are trying to flash with a TI example. Second because I tried to decrease JTAG TCLK Frecuency to 5.5MHz as recommended for this new release (also tryed with 8.5MHz) from Target Configuration (in CCS). So I think it is not a software problem

- Hardware: First the connection between XDS110 and CC1352 is OK (Checked few times). Second, we are powering the circuit because if not, an error -267 ('SC_ERR_XDS110_TARGET_SUPPLY') ocurred. Third,

according Debugging JTAG secction it can be a hardware fail, but we checked our circuit an it is okey. Could you please help us to check if everything is okey?

So if the problem it is not because of the circuit, what if could be? Any ideas? We need to provide 20 samples within 1 mounth and we just need to flash the microcontrollers... Tomorro I will test with a seccond custom board to check if there is any problem

Thank you!

Jorge