參數(shù)資料
型號: SII3114_07
廠商: Silicon Image, Inc.
英文描述: PCI to Serial ATA Controller
中文描述: PCI到Serial ATA控制器
文件頁數(shù): 76/127頁
文件大?。?/td> 598K
代理商: SII3114_07
SiI
3114 PCI to Serial ATA Controller
Data Sheet
Silicon Image, Inc.
SiI
-DS-0103-D
68
2007 Silicon Image, Inc.
Serial ATA SStatus
Address Offset: 104
H
/ 184
H
/ 304
H
/ 384
H
Access Type: Read
Reset Value: 0x0000_0000
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 – 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 – This field identifies the negotiated interface communication speed.
Value
Definition
0000
No negotiated speed
0001
Generation 1 communication rate (1.5 Gbit/s)
others
Reserved
Bit [03:00]
: DET – 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
Until a device is detected (IPM and DET fields become nonzero), the
SiI
3114 issues a COMRESET every 100
milliseconds.
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