參數(shù)資料
型號(hào)： SII3124ACBHU
元件分類： 總線控制器
英文描述： PCI BUS CONTROLLER, PBGA364
封裝： 21 X 21 MM, 1 MM PITCH, GREEN, BGA-364
文件頁(yè)數(shù)： 79/88頁(yè)
文件大?。?/td> 592K
代理商： SII3124ACBHU
PCI-X to Serial ATA Controller
Data Sheet
Silicon Image, Inc.
2006 Silicon Image, Inc.
SiI-DS-0160-C
80
7.3.20 SControl
Address Offset: 1F00H
Access Type: Read/Write
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
PMP
SPM
IPM
SPD
DET
This register is the SControl register as defined by the Serial ATA specification (section 10.1.3).
Bit [31:16]
: Reserved (R). This bit field is reserved and returns zeros on a read.
Bit [19:16]
: PMP (R/W). This field identifies the currently selected Port Multiplier port for accessing the SActive
register and some bit fields of the Diagnostic registers.
Bit [15:12]
: SPM (R/W). This field selects a power management state. A non-zero value written to this field
causes initiation of the select power management state. This field self-resets to 0 as soon as action begins to
initiate the power management state transition.
Value
Definition
0000
No power management state transition requested
0001
Transition to the Partial power management state initiated
0010
Transition to the Slumber power management state initiated
0100
Transition from a power management state initiated (ComWake asserted)
others
Reserved
Bit [11:08]
: IPM (R/W) – This field identifies the interface power management states that may be invoked via the
Serial ATA interface power management capabilities.
Value
Definition
0000
No interface power management restrictions (Partial and Slumber modes enabled)
0001
Transitions to the Partial power management state are disabled
0010
Transitions to the Slumber power management state are disabled
0011
Transitions to both the Partial and Slumber power management states are disabled
others
Reserved
Bit [07:04]
: SPD (R/W) – This field identifies the highest allowed communication speed the interface is allowed
to negotiate.
Value
Definition
0000
No restrictions (default value)
0001
Limit to Generation 1 (1.5 Gb/s)
0010
Limit to Generation 2 (3.0 Gb/s)
others
Reserved
Bit [03:00]
: DET (R/W) – This field controls host adapter device detection and interface initialization.
Value
Action
0000
No action
0001
COMRESET is periodically generated until another value is written to the field
0100
No action
Others
Reserved, no action
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