XRS10L240 Datasheet, PDF (31/38 Pages) Exar Corporation – SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR

REV. 1.05
ADDRESS
HEX
0.0001
BIT(S)
7:3
2
1
0
EXSTOR - 1 XRS10L240
SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR
TABLE 17: CLOCK CONFIGURATION REGISTER
NAME
TYPE RESET VALUE
DESCRIPTION
Reserved
RO
refClkSel
RW
pwrdnRefClk
RW
Reserved
RO
-
Reserved
0
1 = select CMU_REF
0 = select on chip crystal oscillator
0
Powers down reference clock
-
Reserved
REGISTER BIT(S)
GSCR(0)
Product
Identifier
31 - 16
15 - 0
GSCR(1)
Revision
Information
31 - 16
15 - 8
7:4
3
2
1
0
GSCR(2)
Port
Information
7:4
3-0
TABLE 18: PORT MULTIPLIER SATA STANDARD REGISTERS
NAME
TYPE
DEFAULT
VALUE
DESCRIPTION
Device ID
R/O 0x8306 Device ID allocated by the vendor.
Vendor ID
R/O 0x13A8 Vendor ID allocated by the PCI-SIG of the vendor
that produced the Port Multiplier.
Reserved
R/O 0x0000 31-16 Reserved
REV_LEV
R/O
0x03 15-8 Revision level of the Port Multiplier.
Reserved
PM_1,2
R/O
0x0 7-4 Reserved
R/O
1
1=Supports Port Multiplier specification 1.2.
PM_1.1
R/O
1
1=Supports Port Multiplier specification 1.1.
PM_1.0
R/O
1
1=Supports Port Multiplier specification 1.0.
Reserved
Reserved
R/O
0
Reserved
R/O
0x0 Reserved
DEV_FAN_OUT_
R/O
PORTS
0x4 Number of exposed device fan-out ports.
31