XRS10L220 Datasheet, PDF (28/38 Pages) Exar Corporation – SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR

EXSTOR - 1 XRS10L220
SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR
REV. 1.02
ADDRESS
HEX
1.0081
2.0081
BIT(S)
7:2
1
0
TABLE 13: POWERDOWN REGISTERS (MDIO DEVICES 1, 2)
NAME
TYPE
RESET VALUE
DESCRIPTION
Reserved
RO
SIpwrdnBiasGen
RW
SO01pwrdnBiasGen
SIpwrdnPLLB
RW
SO01pwrdnPLLB
-
Reserved
0
Powers down the bandgap.
1 = power down
0 = normal operation
1
Powers down the PLL
1 = normal operation
0 = power down
ADDRESS
HEX
N.0064
BIT(S)
7:4
3:0
N.0065 7:4
3:0
TABLE 14: BIAS GENERATOR CONFIGURATION (MDIO DEVICE 1, 2)
NAME
TYPE
RESET VALUE
DESCRIPTION
pr100Tx[3:0]
RW
0x0
Transmit pre-driver current bias
1010=50uA
0010=75uA
0000=100uA
0001=125uA
1100=150uA
0111=175uA
1111=200uA
Reserved[3:0]
RW
0x0
DO NOT MODIFY
Reserved
RW
0x0
DO NOT MODIFY
prcal100Tx[3:0]
RW
0x0
Transmit driver current bias
1010=50uA
0010=75uA
0000=100uA
0001=125uA
1100=150uA
0111=175uA
1111=200uA
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