
Addr Bit R/W Name Description
0x95
5
R FD Full-duplex mode enable for the link partner. This bit
should always be 1 because only full duplex is
supported.
6 R HD Half-duplex mode enable for the link partner. A value
of 1 indicates support for half duplex. This bit should
always be 0 because half-duplex mode is not
supported.
8:7 R PS2,PS1 Specifies pause support for link partner. The following
encodings are defined for PS1/PS2:
• 2'b00: Pause is not supported
• 2'b0 1: Asymmetric pause toward link partner
• 2'b10: Symmetric pause
• 2'b11: Pause is supported on TX and RX
13:12 R RF2,RF1 Remote fault condition for link partner. The following
encodings are defined for RF1/RF2:
• 2'b00: No error, link is valid (reset condition)
• 2'b0 1: Offline
• 2'b10: Failure condition
• 2'b11: Auto-negotiation error
14 R ACK Acknowledge for link partner. A value of 1 indicates
that the device has received three consecutive
matching ability values from its link partner.
15 R NP Next page. In link partner register. When set to 0, the
link partner has a Next Page to send. When set to 1,
the link partner does not a Next Page. Next Page is not
supported in Auto Negotiation.
0x96
0 R LINK_PARTNER_
AUTO_
NEGOTIATION_
ABLE
Set set to 1, indicates that the link partner supports
auto negotiation. The default value is 0.
1 R PAGE_RECEIVE A value of 1 indicates that a new page has been
received with new partner ability available in the
register partner ability. The default value is 0 when the
system management agent performs a read access.
PMA Registers
The PMA registers allow you to customize the TX and RX serial data interface.
5-20
PMA Registers
UG-01080
2015.01.19
Altera Corporation
1G/10 Gbps Ethernet PHY IP Core
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