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FAQ
What kinds of USB feature does NuMicro™ Cortex-M family support? Issue Date：2015-02-04
The NuMicro™ Cortex-M family supports a variety of features such as USB 2.0 full-speed device, USB 2.0 high-speed device, USB 1.1 full-speed device and On-The-Go (OTG) in accordance with chip characteristics. The features are listed below:
USB 2.0 full-speed device:
- Support series ： NUC120 series, NUC122 series, NUC123 series, NUC220 series, NUC240 series, Nano120/130 series, M452/M453 series
- Provides 1 interrupt vector with 4 different interrupt events (WAKEUP, FLDET, USB and BUS)
- Provides 6 or 8 configurable endpoints
- Supports Control/ Bulk In/Out /Interrupt/Isochronous transfer types
- Supports suspend function when no bus activity exists for 3 ms
- Provides 1.5 kΩ pull-up resistor
- Supports LDO 3.3 V output
- Supports a maximum of 512 Bytes buffer size
- Provides remote wake-up capability
USB 2.0 high-speed device:
- Support series ： NUC442/472 series, NUC505 series
- Supports Control transfer type
- Provides 12 endpoints for configurable Bulk In/Out /Interrupt/Isochronous transfer types
- Supports a maximum of 4092 Bytes buffer size
- Supports DMA instant data transfer
USB 1.1 full-speed host:
- Support series ： NUC442/472 series, M452/M453 series, NUC505 series
- Compliant with Open Host Controller Interface (OpenHCI) 1.0
- Supports Control/ Bulk In/Out /Interrupt/Isochronous transfer types
- Supports full-speed (12 Mbps) and low-speed (1.5 Mbps) USB devices
- Supports an integrated root hub
- Supports USB master/slave port (OTG function).
- Supports power control and overcurrent detection
- Supports DMA instant data transfer
On-The-Go (OTG):
- Support series ： NUC442/472 series, M452/M453 series
- Configurable operating modes:
- Configured as a host
- Configured as a device
- Determined in accordance with ID: the USB_ID signal determines USB as the host (USB_ID is low potential) or the device (USB_ID is high potential); HNP and SRP protocol are not supported.
OTG device: USB_ID signal determines USB as A device (USB_ID is high potential) or B device (USB_ID is high potential); HNP and SRP protocol are supported.
| Products: | Microcontrollers ,Arm Cortex-M0 MCUs ,Nano120 USB Series ,Nano130 Advanced Series ,NUC120/122/123/220 USB Series ,NUC140/240 Connectivity Series ,Arm Cortex-M4 MCUs ,M452 USB Series ,M453 CAN Series ,NUC442/472 Series ,NUC505 Series |
|---|---|
| Applications: | |
| Function: | Peripherals,Connectivity,USB |