Does it work USB ROM API with USB HS on LPC54xxx?

mikebo — Tue, 19 May 2020 09:11:46 GMT

I can't find any example with HS USB on LPC54xxx and USB ROM API.

Re: Does it work USB ROM API with USB HS on LPC54xxx?

ZhangJennie — Wed, 20 May 2020 01:20:49 GMT

For LPC54xxx, we only have USB demo code enclosed in MCUXpresso SDK.

By default that USB demo code is for FS USB0. If you need HS USB1, you need enable high speed mode with below code:

/*! @brief LPC USB IP3511 FS instance count */
#define USB_DEVICE_CONFIG_LPCIP3511FS (0U)

/*! @brief LPC USB IP3511 HS instance count */
#define USB_DEVICE_CONFIG_LPCIP3511HS (1U)

rebuild project.

Make sure you have external power supply to the board when use HS USB.

Have a nice day.

Jun Zhang