![]() Connecting the JP1 before powering the interface will trigger the bootloader. And yes, if bootloader is already pre-programmed it could be activated. The NUC140 doesn’t have built-in bootloader and the only way to program it is using ARM Serial Wire Debug (SWD) interface (J2 connector) and Nuvoton ICP programmer. D1 is the status of USB connectivity to the host.This handy combination makes a simple task implementing the CAN bus interface. The NUC140 device is capable operating from 5V power supply, there is no need for additional 3.3V voltage regulator. The TJA1051T chip from NXP solves the purpose. ![]() To enable the NUC140 CAN peripheral to communicate with CAN bus a CAN transceiver is required.
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