RTL8201BL Integrated Circuit Chip REALTEK SINGLE CHIP SINGLE PORT 10/100M FAST ETHERNET PHYCEIVER

REALTEK SINGLE CHIP SINGLE PORT 10/100M FAST ETHERNET PHYCEIVER RTL8201BL

Features

The Realtek RTL8201BL is a Fast Ethernet Phyceiver with selectable MII or SNI interface to the MAC chip. It provides the following features:

• Supports MII/7-wire SNI (Serial Network Interface) 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
• 3.3V operation with 5V IO signal tolerance
• Low operation power consumption and only need single supply 3.3V
• Adaptive Equalization
• 25MHz crystal/oscillator as clock source
• Multiple network status LED support
• Flow control ability support to co-work with MAC (by MDC/MDIO)
• 48 pin LQFP package

General Description

The RTL8201BL is a single-port Phyceiver with an MII (Media Independent Interface)/SNI(Serial Network 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, 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.

Absolute Maximum Ratings

Crystal Specifications

Block Diagram

Pin Assignments

Pin Description

LI: Latched Input in power up or reset

I/O: Bi-directional input and output

I: Input

O: Output

P: Powe

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