Altera 40-Gbps Ethernet MAC and PHY MegaCore Function - Manual (Page 180)

Word
Addr
Bit R/W Name Description
0xC5 15:0 RW
User Next page
low
The Auto-Negotiation TX state machine uses these bits if the
Auto-Negotiation next pages ctrl bit is set. The following bits
are defined:
• [11]: Toggle bit
• [12]: ACK2 bit
• [13]: Message Page (MP) bit
• [14]: ACK controlled by the state machine
• [15]: Next page bit
For more information, refer to Clause 73.7.7.1 Next Page
encodings of IEEE 802.3ap
-
2007. Bit 49, the PRBS bit, is
generated by the Auto-Negotiation TX state machine.
0xC6 31:0 RW
User Next page
high
The Auto-Negotiation TX state machine uses these bits if the
Auto-Negotiation next pages ctrl bit is set. Bits [31:0]
correspond to page bits [47:16]. Bit 49, the PRBS bit, is
generated by the Auto-Negotiation TX state machine.
0xC7 15:0 RO
LP base page low
The AN RX state machine received these bits from the link
partner. The following bits are defined:
• [4:0] Selector
• [9:5] Echoed Nonce which are set by the state machine
• [12:10] Pause bits
• [12]: ACK2 bit
• [13]: RF bit
• [14]: ACK controlled by the state machine
• [15]: Next page bit
0xC8 31:0 RO
LP base page high
The AN RX state machine received these bits from the link
partner. The following bits are defined:
• [31:30]: Reserved
• [29:5]: Correspond to page bits [45:21] which are the
technology ability
• [4:0]: Correspond to bits [20:16] which are TX Nonce bits
0xC9 15:0 RO
LP Next page low
The AN RX state machine receives these bits from the link
partner. The following bits are defined:
• [15]: Next page bit
• [14]: ACK which is controlled by the state machine
• [13]: MP bit
• [12] ACK2 bit
• [11] Toggle bit
For more information, refer to Clause 73.7.7.1 Next Page
encodings of IEEE 802.3ap-2007.
0xCA 31:0 RO
LP Next page high
The AN RX state machine receives these bits from the link
partner. Bits [31:0] correspond to page bits [47:16]
UG-01088
2014.12.15
10GBASE-KR PHY Register Definitions C-7
10GBASE-KR Registers Altera Corporation
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