USB

USB 0 Controller Reset Control.

USB 0 Controller Reset ControlControls reset state of the Universal Serial Bus 0 (USB0) controller. USB0 provides high-speed USB communication capability for device and host applications with comprehensive USB protocol support.

USB 0 控制器重置控制，高速USB通訊功能

USB0 Functions:

• USB 2.0 Full-Speed (12 Mbps) communication
• Device and host operation modes
• Multiple endpoints for complex USB devices
• USB protocol handling and enumeration support
• Power management and suspend/resume functionality

註

Reset Effects:

• USB controller returns to disconnected state
• All USB endpoints are disabled and cleared
• Device/host configuration registers reset
• USB PHY may require reinitialization

警告

USB Reset Considerations:

• Reset disconnects device from USB host
• May interrupt ongoing USB communications
• Host may need to re-enumerate device after reset

• Ensure proper USB cable handling during reset

  Device Setup:

  // Initialize USB0 as a device
  reset_ctrl.assert_reset(Control::USB0);
  configure_usb_pins_and_phy();
  reset_ctrl.release_reset(Control::USB0);
  usb0_initialize_device_mode();