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SBPH400-3 датащи(PDF) 2 Page - STMicroelectronics

номер детали SBPH400-3
подробное описание детали  IEEE1394 3-Port 400Mbps Physical Layer
PDF  43 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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SBPH400-3 датащи(HTML) 2 Page - STMicroelectronics

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Table of Contents
3
1 Overview . . ... . . .. ... . . .. . . ... ... ... ... . . .. . . .. .. . . . . . ... . ... .... .... .. 4
2 Functional Description . . . . . . .... ... .... .... .. . . . ... .. .... ... .. .... .. .. . . . . 6
2.1
Transmitter and receiver port interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 6
2.2
Connect detect and bias . . . . . . . . . . . . . .... ... ..... . . . . . . . ... .... .. . . . 8
2.3
Configuration pins . . ..... .. ... . . .. ... ... . . .. .... .. . . . . . . . . . . ... .... 8
2.4
Suspend/Resume/Disable . . ..... .. ... . . .. ... ... . . .. ... . . . .... .. .. . . . 9
2.5
Data encoder/decoder . . ..... .. ... . . .. ... ... . . .. .... .. .... .. .. . . ... . 9
2.6
Bus reset, arbitration and control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.7
PHY packets . . . . . . . . . . . . . . . . . . ..... .. ..... . . ... .... ...... .. ... .. 11
2.7.1
Link device interaction . . . . . . . . . . . . . .... ... ..... . .... . . ... .... . 11
2.7.2
Self-ID packet . . . . .... .. . . ... ... ... ..... ... .. . . . .... .. ... .... 11
2.7.3
Link_on packet . . . . ... ... ... .... ... ..... . . . . . ... .. .... .. . . ... 11
2.7.4
PHY configuration packet . . . . .... .. . . ... ... ... .... ... .. .. . . .... 12
2.7.5
Ping packet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .. .... 12
2.7.6
Remote Access and Reply . . . . . . . . . . . . . .... ... .... . ..... . . ... .. 13
2.7.7
Remote Command and Confirmation packets . . . . . . . . . . . . . . . . . . .... 14
2.8
Link interface . . . . . . . . . . . . . . . . . . ..... .. ..... . . ... .... ...... .. ... .. 15
2.8.1
Overview .. . ... .... ... .... .... .. . . . ... .. .... ... .. .... .. .. . . . 15
2.8.2
Types of operation . . . . . . . . . . . . . .... ... ..... . . . . . . . ... .... .. . . 16
2.8.3
Control pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .. .... 16
2.8.4
Link device request (LREQ) . . ..... .. ... . . .. ... ... .. ... ... . . .... 16
2.8.5
Bus request . . . . . . . . . . . . . . . . . . ... ... ... ... . . .. . . . . . .... .. .... 20
2.8.6
Register Read/Write requests . . . . .... .. . . ... ... ... ... .... .. .. . . . 20
2.8.7
Status transfer . . . . .... .. . . ... ... ... ..... ... .. . . . .... .. ... .... 21
2.8.8
Transmit . . . ... . . .. ..... .. ... . . .. ... ... . . .... .. . . .. . . .. .. . . . 22
2.8.9
Receive . . . . .... .. . . ... ... ... ..... ... .. . . . ... .. . . . ... . . ... .. 24
2.8.10 SBPH400 registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 25
2.9
Reset and initialization . . . . . . . . . . . . ..... . . .. . . .... ... .. ... ... .... ... 28
2.9.1
Power on .. . ... .... ... .... .... .. . . . ... .. .... ... .. .... .. .. . . . 28
2.9.2
PHY/Link Interface start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.9.3
PHY/Link interface reset and disable . . . . . . . . . . . . . . . .... .. . . . . . . . . 30
2.9.4
LKON (link on) . . . . ... ... ... .... ... ..... . . . . . ... .. .... .. . . ... 32
2.10 ISO (isolation) . . . ... . . .. ..... .. ... . . .. ... ... . . .... .. . . .. . . .. .. . . . 32
2.11 CPS (cable power status) . . ..... .. ... . . .. ... ... . . .. ... . . . .... .. .. . . 32
3 Pin Description . . . . . . . . . . . . . . . . . . . . . .... ... .... .... .. . . .. .. .. . . .. . . .. .. 33
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