XRS10L140 Datasheet, PDF (26/36 Pages) Exar Corporation – SERIAL ATA II: PORT MULTIPLIER

EXSTOR XRS10L140
SERIAL ATA II: PORT MULTIPLIER
TABLE 11: BIAS GENERATOR CONFIGURATION REGISTERS (MDIO DEVICE 1, 2, 3)
ADDRESS
HEX
BIT(S)
NAME
TYPE RESET VALUE
DESCRIPTION
N.0064 7:4
pr100Tx[3:0]
RW
0x0
Transmit pre-driver current bias
1010=50uA
0010=75uA
0000=100uA
0001=125uA
1100=150uA
0111=175uA
1111=200uA
3:0
Reserved
RW
0x0
DO NOT MODIFY
N.0065 7:4
Reserved
RW
0x0
DO NOT MODIFY
3:0
prcal100Tx[3:0]
RW
0x0
Transmit driver current bias
1010=50uA
0010=75uA
0000=100uA
0001=125uA
1100=150uA
0111=175uA
1111=200uA
REV. 1.05
TABLE 12: POWERDOWN REGISTERS (MDIO DEVICES 1, 2 & 3)
ADDRESS
HEX
BIT(S)
NAME
TYPE
RESET VALUE
DESCRIPTION
1.0080
7:6
SIpwrdnDetB[1:0]
RW
2.0080
SO01pwrdnDetB[1:0]
3.0080
SO23pwrdnDetB[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]
SO23pwrdnRxB[1:0]
11
Powers down the receivers and CDR
1 = normal operation
0 = power down
3:2
SIpwrdnTxDrvB[1:0]
RW
SO01pwrdnTxDrvB[1:0]
SO23pwrdnTxDrvB[1:0]
11
Powers down the transmitter
1 = normal operation
0 = power down
1:0
SIpwrdnTxB[1:0]
RW
SO01pwrdnTxB[1:0]
SO23pwrdnTxB[1:0]
11
Powers down the transmit pipes and clock
1 = normal operation
0 = power down
26