STE800P

2/4

2.2 Physical Layer

• Integrates the whole Physical layer functions for

• 100BASE-TX full or half duplex Ethernet on CAT 5 twisted pair cable

• 100BASE-FX full or half duplex transmission over fiber optic cabling

• 10BASE-T full or half duplex Ethernet on CAT 3, 4 or 5 cable.

• Auto-negotiation(NWAY) function of full/half duplex operation for both 10 and 100 Mbps

• MLT-3 transceiver with DC restoration for Base-line wander compensation

• Transmit wave-shaper, receive filters, and adaptive equalizer

• Loop-back modes for diagnostic

• In Stream Cipher Scrambler/ De-scrambler

• 4B/5B, MLT3, NRZI and Manchester encoding/decoding

• 125 MHz clock generator and timing recovery

• Supports external transmit transformer with turn ratio 1.41 : 1

• Supports external receive transformer with turn ratio 1:1

2.3 LED Display

• Serial LED status pins

• Programmable parallel LED pins

2.4 Miscellaneous

• Standard 208-pin PQFP package pinout

Figure 2. System Diagram of the STE800P Application

OCTAL ETHERNET MAC CONTROLLER

STE800P

8 PORT 10/100MBPS PHY

MAGNETICS

RJ45

MAGNETICS

RJ45

Port 1

Port 8