參數(shù)資料
型號(hào)： SiI3726CBHU
廠商： Silicon Image, Inc.
英文描述： SATA Port Multiplier
中文描述： SATA端口倍增器
文件頁(yè)數(shù)： 17/41頁(yè)
文件大?。?/td> 375K
代理商： SII3726CBHU
SiI3726 SATA Port Multiplier
Data Sheet
Port Status and Control Registers (PSCR)
Silicon Image, Inc.
2006 Silicon Image, Inc.
SiI-DS-0121-C1
17
The registers are defined in the SATA II Extensions to Serial ATA 1.0a Specification.
The Read/Write Port Multiplier command may be used to read or write the PSCR. The port number must be
specified in the PortNum field of the command FIS in order to read or write the PSCR. The Read/Write Port
Multiplier commands are defined in the SATA II Port Multiplier specification.
Addr
Name
31
30
0x00
PSCR[00]
29
28
27
26
25
24
RSVD0
23
22
21
20
19
18
17
16
RSVD0
15
14
13
12
11
10
9
8
RSVD0
IPM
7
6
5
4
3
2
1
0
SStatus
SPD
DET
Bit
31:12
Label
RSVD0
R/W
R
Description
Default
0x0000
0
0x0
This bit field is reserved and returns a zero value.
11:08
IPM
R
This field identifies the current interface power management state.
0000: Device not present or communicating not established
0001: Interface in active state
0010: Interface in partial power management state
0110: Interface in slumber power management state
Others: Reserved
This field identifies the negotiated interface communication speed.
0000: No negotiated speed
0001: Generation 1 communication rate (1.5 Gb/s)
0010: Generation 2 communication rate (3 Gb/s)
Others: Reserved
This field indicates the interface device detection and PHY state.
0000: No device detected and PHY communication not established
0001: Device presence detected, but PHY communication not established
0010: Device presence detected and PHY communication established
0110: PHY in off-line mode as a result of the interface being disabled or
running in a BIST loopback mode
Others: Reserved, no action
7:4
SPD
R
0x0
3:0
DET
R
0x0
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