User guide

Addr Bit R/W Name Description
0x494
(1000BA
SE-X
mode)
5
RW FD Full-duplex mode enable for the local device.
Set to 1 for full-duplex support.
6 RW HD Half-duplex mode enable for the local device.
Set to 1 for half-duplex support. This bit
should always be set to 0 for the KR PHY IP.
8:7 RW PS2,PS1 Pause support for the local device. The
following encodings are defined for PS1/PS2:
• PS1=0 / PS2=0: Pause is not supported
• PS1=0 / PS2=1: Asymmetric pause toward
link partner
• PS1=1 / PS2=0: Symmetric pause
• PS1=1 / PS2=1: Pause is supported on TX
and RX
13:1
2
RW RF2,RF1 Remote fault condition for local device. The
following encodings are defined for RF1/RF2:
• RF1=0 / RF2=0: No error, link is valid
(reset condition)
• RF1=0 / RF2=1: Offline
• RF1=1 / RF2=0: Failure condition
• RF1=1 / RF2=1: AN error
14 R0 ACK Acknowledge for local device. A value of 1
indicates that the device has received three
consecutive matching ability values from its
link partner.
15 RW NP Next page. In the device ability register, this bit
is always set to 0.
UG-01143
2015.05.11
Arria 10 GMII PCS Registers
2-203
Implementing Protocols in Arria 10 Transceivers
Altera Corporation
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