User Manual Q&AAnswer
Oct 28, 2025 - 03:32 PM
To switch the USB OTG controller operation between Host mode and Device mode on the SmartFusion2 device, follow these steps:
1. **Host Mode Operation:**
- Connect the Micro-A end of the cable to the SmartFusion2 device through the external PHY.
- The USB controller will take the role of the host, and the Host mode flag will be set to 1.
2. **Device Mode Operation:**
- Connect the Micro-B end of the cable to the SmartFusion2 device.
- The USB controller will go into Peripheral mode, and the Host mode flag will be set to 0.
By following these steps and connecting the appropriate cable end to the SmartFusion2 device, you can easily switch the USB OTG controller operation between Host mode and Device mode based on your requirements.
For more detailed information and guidance on the USB OTG capabilities of the SmartFusion2 device, refer to the SmartFusion2 USB OTG Capabilities User Guide provided by Microsemi.
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