USB 2.0 MTT Hub/Ethernet Combo

USB 2.0 MTT Hub:

  • Fully compliant with Universal Serial Bus Specification Revision 2.0.
  • Supports USB HS (480Mbps), FS (12Mbps) and LS (1.5Mbps) modes.
  • Three downstream ports and one upstream port with integrated USB 2.0 transceivers.
  • Multiple Transaction Translator (MTT) provides respective TT control logics for each downstream port.
  • Supports one suspend LED indicator and three downstream port status LED indicator.
  • On-chip 8-bit micro-processor (6 MIPS @12MHz) with 64-byte RAM and 2K internal ROM.
  • Built-in upstream port 1.5KΩ pull-up and downstream port 15KΩ pull-down resistors.
  • Supports both individual and gang modes of power management and over-current detection for downstream ports.
  • Supports compound-device (non-removable in downstream ports) by I/O pin configuration.
  • Improves output drivers with slew-rate control for EMI reduction.
  • Internal power-fail detection for ESD recovery.

10/100M Fast Ethernet Controller:

  • Integrates 10/100Mbps Fast Ethernet MAC/PHY.
  • IEEE 802.3 10Base-T/100Base-TX compatible.
  • Supports twisted pair crossover detection and auto-correction (HP Auto-MDIX).
  • Embedded 16KB SRAM for RX packet buffering and 8KB SRAM for TX packet buffering.
  • Supports both Full-duplex with flow control and Half duplex with backpressure operation.
  • Supports 2 VLAN ID filtering, received VLAN Tag (4 bytes) can be stripped off or preserved.
  • MAC/PHY loop-back diagnostic capability.
  • Support Wake-on-LAN Function.
  • Supports Suspend mode and Remote Wakeup via Link-up, Magic packet, MS wakeup frame and external pin.
  • Optional PHY power down during Suspend mode.
  • High performance packet transfer rate over USB bus using proprietary burst transfer mechanism (US Patent Approval).
  • Supports USB to Ethernet bridging or vice versa in hardware.
  • Supports 256/512 bytes (93c56/93c66) of serial EEPROM (for storing USB Descriptors for USB to LAN function).
  • Supports automatic loading of Ethernet ID, USB Descriptors and Adapter Configuration from EEPROM after power-on initialization.
  • Integrates on-chip voltage regulator and only requires a single 3.3V power supply.
  • 12MHz and 25Mhz clock input from either crystal or oscillator source.
  • Integrates on-chip power-on reset circuit.
  • Package type with 100-pin LQFP RoHS compliant package.
  • Operating temperature range: 0°C to 70°C.
Ethernet Catalog178 downloads

USB 2.0 MTT Hub/Ethernet Combo

USB 2.0 MTT Hub/Ethernet Combo

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