XRS10L120 Datasheet, PDF (37/52 Pages) Exar Corporation – SERIAL ATA II: 1:2 PORT MULTIPLIER

PRELIMINARY
XRS10L120
REV. P1.0.1
SERIAL ATA II: 1:2 PORT MULTIPLIER
TABLE 11: BIAS GENERATOR CONFIGURATION/DEBUG REGISTERS (MDIO DEVICE 1 AND 2)
ADDRESS
HEX
BIT(S)
NAME
RW RESET VALUE
DESCRIPTION
N.0068 7:4
Reserved
RO
-
Reserved
3:0 prcal100pciPreamp
[3:0]
0x0
100u external bias
1010=50uA
0010=75uA
0000=100uA
0001=125uA
1100=150uA
0111=175uA
1111=200uA
TABLE 12: POWERDOWN REGISTERS (MDIO DEVICES 1 AND 2)
ADDRESS
HEX
BIT(S)
NAME
RW
RESET VALUE
DESCRIPTION
1.0080
7:6
SIpwrdnDetB[1:0]
RW
2.0080
SO01pwrdnDetB[1:0]
11
Powers down the signal detector and COM*
circuits
1 = normal operation
0 = power down
5:4
SIpwrdnRxB[1:0]
RW
SO01pwrdnRxB[1:0]
11
Powers down the receivers and CDR
1 = normal operation
0 = power down
3:2
SIpwrdnTxDrvB[1:0]
RW
SO01pwrdnTxDrvB[1:0]
11
Powers down the transmitter
1 = normal operation
0 = power down
1:0
SIpwrdnTxB[1:0]
RW
SO01pwrdnTxB[1:0]
11
Powers down the transmit pipes and clock
1 = normal operation
0 = power down
1.0081
7:2
Reserved
RO
2.0081
1
SIpwrdnBiasGen
RW
SO01pwrdnBiasGen
SO23pwrdnBiasGen
-
Reserved
0
Powers down the bandgap.
1 = normal operation
0 = power down
0
SIpwrdnPLLB
RW
SO01pwrdnPLLB
SO23pwrdnPLLB
1
Powers down the PLL
1 = normal operation
0 = power down
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