There are two options to put your code into the MCU: `flash` and `exec`. Both modes require you to install [xfel](https://github.com/xboot/xfel) tool to your PATH. You must enter FEL mode before any operation can be done. To enter FEL mode, press BOOT button, then press RESET once, and release BOOT button. You will find VID/PID=1f3a:efe8 on your PC.
* Add F1C100s to `#if CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX` high speed MCU check in examples (maybe we should extract the logic?)