XR22804 Datasheet, PDF (2/47 Pages) Exar Corporation – Hi-Speed USB to 10/100 Ethernet Bridge with 4 UARTs

XR22804
Extended Features
• USB 2.0 Compliant Interface
• Integrated USB 2.0 PHY
• Supports 480 Mbps USB Hi-Speed and 12 Mbps USB
Full-Speed data rate
• Supports USB suspend, resume and remote wakeup
operations
• Compatible with USB CDC-ECM and CDC-ACM
• 10/100 Ethernet MAC and Phy
• Compliant with IEEE 802.3
• Integrated 10/100 Ethernet MAC and PHY
• 10BASE-T and 100BASE-TX support
• Full-duplex and half-duplex support
• Full-duplex and half-duplex flow control
• Preamble generation and removal
• Automatic 32-bit CRC generation and checking
• Automatic payload padding and pad removal
• Diagnostic loop-back modes
• TCP/UDP/IP/ICMP checksum offload support
• Flexible Address filtering modes
• Wakeup packet support
• Support for 2 status LEDs
• Enhanced UART features
• Data rates up to 15 Mbps
• Fractional Baud Rate Generator
• 1024 byte TX and RX FIFOs
• 7, 8 or 9 data bits, 1 or 2 stop bits
• Automatic Hardware Flow Control
• Automatic Software Flow Control
• Multidrop (9-bit) mode
• Auto RS-485 Half-Duplex Control
• I²C Multi-master
• Up to 400 kbps transfers
• Multi-master capable
• Enhanced Dedicated GPIO Entity (EDGE)
• Parallel GPIO access
• Two PWM generators
• Custom software drivers
• Windows 2000, XP, Vista, Win 7 and Win 8
• Windows CE 5.0, 6.0, 7.0
• Linux
• OS X
© 2015 Exar Corporation
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exar.com/XR22804
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