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STE100P：10/100 Ethernet transceiver with Media Independent Interface

The STE100P, also referred to as STEPHY1, is a high performance Fast Ethernet physical layer interface for 10Base-T and 100Base-TX applications.

It was designed with advanced CMOS technology to provide a Media Independent Interface (MII) for easy attachment to 10/100 Media Access Controllers (MAC) and a physical media interface for 100Base-TX of IEEE802.3u and 10Base-T of IEEE802.3.

The STEPHY1 supports both half-duplex and full-duplex operation, at 10 and 100 Mbps operation. Its operating mode can be set using auto-negotiation, parallel detection or manual control. It also allows for the support of auto-negotiation functions for speed and duplex detection.

Key Features

• Industry standardIEEE802.3u 100Base-TX and IEEE802.3 10Base-T compliantSupport for IEEE802.3x flow controlIEEE802.3u Auto-Negotiation support for 10Base-T and 100Base-TXMII interfaceStandard CSMA/CD or full duplex operation supportedIndustrial temperature compliant
• LED DisplayThe LED display, consists of five LEDs having the following characteristics:10 Mbps Speed LED: 10Mbps(on) or 100Mbps(off)100 Mbps Speed LED: 100Mbps(on) or 10Mbps(off)TX/RX Activity LED: Blinks at 10Hz when receiving, but not collidingLink LED: On when a good link is detected, blinks when there is TX or RX activityFull Duplex / Collision LED: On during Full Duplex operation. Blinks at 20Hz to indicate a collision
• Physical LayerIntegrates the whole Physical layer functions of 100Base-TX and 10Base-TProvides Full-duplex operation on both 100Mbps and 10Mbps modesProvides Auto-negotiation(NWAY) function of full/half duplex operation for both 10 and 100 MbpsProvides MLT-3 transceiver with DC restoration for Base-line wander compensationProvides transmit wave-shaper, receive filters, and adaptive equalizerProvides loop-back modes for diagnosticBuilds in Stream Cipher Scrambler/ De-scrambler and 4B/5B encoder/decoderSupports external transmit transformer with turn ratio 1:1Supports external receive transformer with turn ratio 1:1
• MiscellaneousStandard 64-pin QFP package pinout

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