QT2022/32 - Data Sheet: DS3051
13.4 PHY_XS Registers (Device 4)
PHY_XS Control 1
4.0
PHY_XS Status 1
4.1
Bit
0
Reserved, RO
Reserved, RO
Reserved, RO
1
Power down capability, RO
1 = ability to power down
2
Speed Selection, RO
0 = operation at 10 Gb/s
PHY XS Transmit link status, RO/LL
1=transmit link up1
3
4
5
6
7
Speed Selection, RO
0 = operation at 10 Gb/s
Reserved, RO
Reserved, RO
Reserved, RO
Reserved, RO
Speed Selection, RO
0 = operation at 10 Gb/s
Speed Selection, RO
0 = operation at 10 Gb/s
Speed Selection, RO
1 = operation at 10 Gb/s and above
Reserved, RO
Local fault, RO
1=fault condition2
8
Reserved, RO
Reserved, RO
Reserved, RO
Reserved, RO
Reserved, RO
Reserved, RO
Reserved, RO
9
10
11
Power Down, RW
0 = don’t power down
1 = power down3
12
13
Reserved, RO
Reserved, RO
Reserved, RO
Speed Selection, RO
1 = operation at 10 Gb/s and above
writes ignored
14
15
loopback, RW
1= enable PHY_XS loopback
Reserved, RO
Reserved, RO
Reset RW/SC
1= reset
1. PHY_XS transmit link status = latched low version of MDIO reg 4.24.12, transmit lanes aligned
2. PHY_XS Local fault = PHY_XS transmit fault (MDIO reg 4.8.11) + PHY_XS receive fault (MDIO reg 4.8.10)
3. PHY_XS power down enabled will power down the whole device with the exception of MDIO access
Revision 5.11
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AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
