參數(shù)資料
型號(hào): SiI3124ACBHU
廠商: Silicon Image, Inc.
英文描述: PCI-X to Serial ATA Controller
中文描述: PCI - X到串行ATA控制器
文件頁(yè)數(shù): 81/88頁(yè)
文件大小: 621K
代理商: SII3124ACBHU
PCI-X to Serial ATA Controller
Silicon Image, Inc.
7.3.21 SStatus
Address Offset: 1F04
H
Access Type: Read
Reset Value: 0x0000_0000
Data Sheet
2006 Silicon Image, Inc.
SiI-DS-0160-C
81
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Reserved
IPM
SPD
DET
This register is the SStatus register as defined by the Serial ATA specification (section 10.1.1).
Bit [31:12]
: Reserved (R). This bit field is reserved and returns zeros on a read.
Bit [11:08]
: IPM (R) – This field identifies the current interface power management state.
Value
Definition
0000
Device not present or communication not established
0001
Interface in active state
0010
Interface in Partial power management state
0110
Interface in Slumber power management state
Others
Reserved
Bit [07:04]
: SPD (R) – This field identifies the negotiated interface communication speed.
Value
Definition
0000
No negotiated speed
0001
Generation 1 communication rate (1.5 Gb/s)
0010
Generation 2 communication rate (3.0 Gb/s)
Others
Reserved
Bit [03:00]
: DET (R) – This field indicates the interface device detection and PHY state.
Value
Action
0000
No device detected and PHY communication not established
0001
Device presence detected but PHY communication not established
0011
Device presence detected and PHY communication established
0100
PHY in offline mode as a result of the interface being disabled or running in a BIST
loopback mode
Others
Reserved, no action
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