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FAQ
How to set a USB device as full speed device or a high speed device? Issue Date：2018-01-15
Among the NuMicro® Cortex®-M4 microcontrollers (MCUs), the NUC505, NUC400, and M480 series USB devices support full speed and high speed devices. Users can select full speed or high speed devices by setting registers. In the NUC505 and NUC400 series, the register is CURSPD (USBD_OPER [2]), as shown in Figure 1. In the M480 series, the register is CURSPD (HSUSBD_OPER [2]), as shown in Figure 2.
Figure 1 Register CURSPD(USBD_OPER[2]) in the NUC505 and NUC400 Series
Figure 2 Register CURSPD(HSUSBD_OPER [2]) in the M480 Series
| Products: | Microcontrollers ,Arm Cortex-M4 MCUs ,NUC442/472 Series ,NUC505 Series |
|---|---|
| Applications: | |
| Function: | Peripherals,Connectivity,USB |