特性

• USB On-the-Go (OTG) Controller Core
  • Uses Mentor Graphics USB 2.0 OTG Core
  • Dual-Role Controller Can Operate Either as a Function Controller for a USB Peripheral or as the Host/Peripheral in Point-to-Point or Multipoint Communications With Other USB Functions
  • Compliant With the USB 2.0 Standard for High-Speed (480-Mbps) Functions and With OTG Supplement to USB 2.0 Specification
  • Supports OTG Communications With One or More High-, Full-, or Low-Speed Devices
  • Supports Session Request Protocol (SRP) and Host Negotiation Protocol (HNP)
  • Supports Suspend-and-Resume Signaling
  • Configurable for up to 4 Transmit Endpoints or up to 4 Receive Endpoints
  • Configurable FIFOs, Including the Option of Dynamic FIFO Sizing
  • 16k-Byte RAM for USB Endpoint FIFO Shared by USB In/Out Endpoints
  • Support for External Direct Memory Access (DMA) to FIFOs
  • Soft Connect/Disconnect Option
  • Performs All Transaction Scheduling in Hardware
• System Control Module
  • Controls Clock and Reset Generation and Distribution
  • Controls and Observes Device Power States
  • Supports External Power Management
• Integrated USB 2.0 OTG PHY
  • Fully Compliant with USB 2.0 Standard and USB 2.0 Transceiver Macrocell Interface (UTMI) Revision 1.05
  • Optimized One-Port Operation at Low Speed (1.5 Mbps), Full Speed (12 Mbps), and High Speed (480 Mbps)