Description
Features
â– First USB Host/Slave controller for embedded systems in the
market with a standard microprocessor bus interface
â– Supports both full speed (12 Mbps) and low speed (1.5 Mbps)
USB transfer in both master and slave modes
â– Conforms to USB Specification 1.1 for full- and low speed
â– Operates as a single USB host or slave under software control
â– Automatic detection of either low- or full-speed devices
â– 8-bit bidirectional data, port I/O (DMA supported in slave mode)
â– On-chip SIE and USB transceivers
â– On-chip single root HUB support
â– 256-byte internal SRAM buffer
â– Ping-pong buffers for improved performance
â– Operates from 12 or 48 MHz crystal or oscillator (built-in DPLL)
â– 5 V-tolerant interface
â– Suspend/resume, wake up, and low-power modes are
supported
â– Auto-generation of SOF and CRC5/16
â– Auto-address increment mode, saves memory READ/WRITE
cycles
â– Development kit including source code drivers is available
â– 3.3-V power source, 0.35 micron CMOS technology
â– Available in 48-pin TQFP package