88SM4140 データシートの表示（PDF） - Marvell Semiconductor
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88SM4140 Datasheet PDF : 112 Pages
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88SM4140 Preliminary Specifications
Serial ATA 3.0 Gbps: 1-to-4 Port Multiplier
6.2 REGISTER ACCESS SEQUENCE THROUGH UART ................................................................................ 6-2
6.2.1 UART Read/Write Command Sequences ......................................................................... 6-3
7 PORTS ....................................................................................................................................................... 7-1
7.1 PM_PORT FIELD .............................................................................................................................. 7-2
7.2 CONTROL PORTS ............................................................................................................................... 7-3
7.3 SAMPLE SEQUENCE ........................................................................................................................... 7-4
7.3.1 PM Discovery Phase ......................................................................................................... 7-4
7.3.2 Device Discovery (Device Enumeration) Phase ................................................................ 7-4
7.3.3 SATA Enclosure Management Bridge (SEMB) ................................................................. 7-7
7.3.4 Cascading the PM ............................................................................................................. 7-7
8 ELECTRICAL SPECIFICATIONS .............................................................................................................. 8-1
8.1 POWER REQUIREMENTS ..................................................................................................................... 8-2
8.2 ABSOLUTE MAXIMUM RATINGS ........................................................................................................... 8-2
8.3 RECOMMENDED/TYPICAL OPERATING CONDITIONS .. .......................................................................... 8-3
8.4 DC CHARACTERISTICS .. .................................................................................................................... 8-3
9 REGISTERS ............................................................................................................................................... 9-1
9.1 NOTATIONAL CONVENTIONS ............................................................................................................... 9-5
9.2 REGISTER DESCRIPTIONS .................................................................................................................. 9-6
9.2.1 Configuration Information Registers .................................................................................. 9-6
9.2.2 Status Information and Control Registers ......................................................................... 9-7
9.2.3 Features Supported Registers .......................................................................................... 9-9
9.2.4 Vendor Unique Registers .................................................................................................. 9-10
9.2.5 Phy Event Counter Registers ............................................................................................ 9-14
9.2.6 Port Status and Control Registers ..................................................................................... 9-16
A QUICK START/FREQUENTLY ASKED QUESTIONS .............................................................................. A-1
A.1 USING THE 88SM4140 ...................................................................................................................... A-2
A.2 USING MARVELL SPECIAL FEATURES .................................................................................................. A-2
A.3 PORTS .............................................................................................................................................. A-2
A.3.1 PM_PORT ......................................................................................................................... A-2
A.3.2 Control Ports ..................................................................................................................... A-2
A.4 FREQUENTLY ASKED QUESTIONS ....................................................................................................... A-3
A.4.1 Why Use a Port Multiplier? ................................................................................................ A-3
A.4.2 What Is Changed in the Port Multiplier? ............................................................................ A-4
A.4.3 Does the Port Multiplier Work With Existing SATA Products? .......................................... A-5
A.4.4 What If My SATA Host Does Not Support the Port Multiplier? Or If My SATA Host Supports Port
Multiplier But My Driver Does Not? ............................................................................................. A-5
A.4.5 Do I need PM-Aware SATA drives? .................................................................................. A-5
A.4.6 Why Are the Other PM Ports Disabled? ............................................................................ A-6
A.4.7 How Do The Drives Appear in a Windows System? ......................................................... A-8
A.4.8 Can I Convert All the PM-Connected Drives Into Just One? ............................................. A-9
A.4.9 How Does the Host Access the PM Registers? ................................................................ A-9
A.4.10 What is SEMB? ................................................................................................................. A-11
A.4.11 Is SEMB Compatible WIth All Versions of the SAF-TE or SES Commands? ................... A-12
A.4.12 How Do I Detect If a Port is SEMB? .................................................................................. A-12
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Copyright © 2007 Marvell Technology Group, Ltd.
Do not duplicate without permission. Document Classification: Proprietary
February 1, 2007
Doc No. MV-S101553-00 Rev. G
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