Update: 30 September, 2023
The 84225 is a highly integrated Ethernet transceiver for twisted pair and fiber Ethernet applications. The 84225 can be configured for either 100 Mbps (100BaseFX or 100BaseTX) or 10 Mbps (10BaseT) Ethernet operation. The 84225 consists of four (4) separate and independent channels. Each channel consists of: 4B5B/Manchester encoder, scrambler, transmitter with wave shaping and on-chip filters, transmit output driver, receiver with adaptive equalizer, filters, baseline wander correction, clock and data recovery, descrambler, 4B5B/Manchester decoder, and controller interface (MII or RMII). The addition of internal output waveshaping circuitry and on-chip filters eliminates the need for external filters normally required in 100BaseTX and 10BaseT.
File format: PDF
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MD5 Checksum: 9D1AB2FC9E2F1BB0D17E615374B48C3F
Publication date: 15 February, 2012
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PDF Link: 84225 Quad 100BaseTX/FX/10BaseT Physical Layer Device Manual PDF