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DP8391

Part Number	DP8391
Manufacturer	National Semiconductor
Description	Serial Network Interface
Published	Feb 27, 2006
Detailed Description	w w e e DP8391 NS32491 Serial Network Interface h S Description General Features a t a D . w The DP8391 Serial Network...
Datasheet	DP8391 PDF File

Overview

w w e e DP8391 NS32491 Serial Network Interface h S Description General Features a t a D .
w The DP8391 Serial Network Interface (SNI) provides the Manchester data encoding and decoding functions for IEEE 802 3 Ethernet Cheapernet type local area networks The SNI interfaces the DP8390 Network Interface Controller (NIC) to the Ethernet transceiver cable When transmitting the SNI converts non-return-to-zero (NRZ) data from the controller and clock pulses into Manchester encoding and sends the converted data differentially to the transceiver The opposite process occurs on the receive path where a digital phase-locked loop decodes 10 Mbit s signals with as much as g 20 ns of jitter The DP8391 ...

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