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CYBLE-013025 module uses HCI UART interface for programming.
You may use the HCI UART pins.
The Serial Wire Debug (SWD) debug/trace messages can also be output through the HCI UART port that’s onboard. The SWD pins are muxed with HCI UART and are used in such a manner that the hardware and firmware can auto-detect the presence of SWD or the HCI host
Please refer to the below links:
Programming the TAG2/TAG3 Board using command line tools (CYBLE-013025 uses CYW20737 chip)