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IP101A Single Port 10/100 Fast Ethernet Transceiver

General Description :

IP101A is an IEEE 802.3/802.3u compliant single-port Fast Ethernet Transceiver for both 100Mbps and 10Mbps operations. It supports Auto MDI/MDIX function to simplify the network installation and reduce the system maintenance cost. To improve the system performance, IP101A provides a hardware interrupt pin to indicate the link, speed and duplex status change. IP101A also provides Media Independent Interface (MII) / Serial Network Interface (SNI) or Reduced Media Independent Interface (RMII) to connect with different types of 10/100Mb Media Access Controller (MAC).

IP101A is designed to use category 5 unshielded twisted-pair cable connecting to other LAN devices.

IP101A Transceiver is fabricated with advanced CMOS technology, which the chip only requires 3.3V as power supply and consumes very low power in the Auto Power Saving mode. IP101A can be implemented as Network Interface Adapter with RJ-45 for twisted-pair connection. It can also be easily implemented into HUB, Switch, Router, Access Point.

Feature :

  • 10/100Mbps TX
  • Full-duplex or half-duplex
  • Supports Auto MDI/MDIX function
  • Fully compliant with IEEE 802.3/802.3u
  • Supports IEEE 802.3u auto-negotiation
  • Supports MII / RMII / SNI interface
  • IEEE 802.3 full duplex control specification
  • Supports Automatic Power Saving mode
  • Supports BaseLine Wander (BLW) compensation
  • Supports Interrupt function
  • Supports repeater mode
  • Single 3.3V power supply with built-in 2.5V requlator
  • DSP-based PHY Transceiver technology
  • Using either 25MHz crystal or 50MHz oscillator REF_CLK as clock source
  • Flexible LED display for speed, duplex, link, activity and collision
  • Supports flow control to communicate with other MAC through MDC and MDIO
  • 0.25,CMOS technology
  • 48-pin LQFP


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