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RTL8201BL
Single-Port 10/100M Fast Ethernet PHYceiver
 
General Description

The RTL8201BL is a single-port PHYceiver with an MII (Media Independent Interface). It implements all 10/100M Ethernet Physical-layer functions including the Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA), Twisted Pair Physical Medium Dependent Sublayer (TP-PMD), 10Base-Tx Encoder/Decoder and Twisted Pair Media Access Unit (TPMAU). A PECL interface is supported to connect with an external 100Base-FX fiber optical transceiver. The chip is fabricated with an advanced CMOS process to meet low voltage and low power requirements.

The RTL8201BL can be used as a Network Interface Adapter, MAU, CNR, ACR, Ethernet Hub and Ethernet Switch. Additionally, it can be used in any embedded system with an Ethernet MAC that needs a twisted pair physical connection or fiber PECL interface to external 100Base-FX optical transceiver module.

 
Features
  • Supports MII interface
  • Supports 7-wire SNI (Serial Network Interface)
  • Supports 10/100Mbps operation
  • Supports half/full duplex operation
  • Support of twisted pair or Fiber mode output
  • IEEE 802.3/802.3u compliant
  • Supports IEEE 802.3u clause 28 auto negotiation
  • Supports power down mode
  • Supports operation under Link Down Power Saving mode
  • Supports Base Line Winder (BLW) compensation
  • Supports repeater mode
  • Speed/duplex/auto negotiation adjustable
  • Utilizes DSP technology
  • 3.3V operation with 5V IO signal tolerance
  • Low operation power consumption
  • Low power and dual supply 3.3V and 2.5V can be supported by the internal regulator function in conjunction with external power PNP transistor
  • Adaptive Equalization
  • 25MHz crystal/oscillator as clock source
  • Fiber PECL interface support
  • Multiple network status LED support
  • Flow control ability support to co-work with MAC (by MDC/MDIO)
  • 0.25µ CMOS process
  • 48-pin LQFP package
Applications
  • Network interface adapters and Ethernet hubs/switches
  • Ethernet MAC-embedded systems that need twisted-pair physical connection, such as those for ADSL/cable modem routers and IA gateways

 

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