XRS10L120_09 Datasheet, PDF (29/36 Pages) Exar Corporation – SERIAL ATA II: PORT MULTIPLIER

REV. 1.06
REGISTER BIT(S)
GSCR(64)
Port Multi-
plier Revi-
sion 1.X
Features
Support
GSCR(96)
Port Multi-
plier Revi-
sion 1.X
Features
Enable
31 - 5
4
3
2
1
0
31 - 4
3
2
1
0
EXSTOR XRS10L120
SERIAL ATA II: PORT MULTIPLIER
TABLE 14: PORT MULTIPLIER SATA STANDARD REGISTERS
NAME
Reserved
TYPE
R/O
DEFAULT
VALUE
0x0 Reserved
DESCRIPTION
PHY_EVENT
R/O
0
1 = Supports Phy event counters
ASYNC
SSC
R/O
1
1 = Supports asynchronous notification
R/O
0
1 = Supports dynamic SSC transmit enable
PMREQ_P
BIST
R/O
1
1 = Supports issuing PMREQ_P to host
R/O
0
1 = Supports BIST
Reserved
R/O
0x0 Resaerved
ASYNC_EN
R/W
0
1 = Asynchronous notification enabled
SSC_EN
R/W
0
1 = Dynamic SSC transmit is enabled
PMREQ_P_EN
BIST_EN
R/W
R/W
0
1 = Issuing PMREQ_P to host is enabled
0
1 = BIST support is enabled
29