Altera PHY IP Core Guide de l'utilisateur Page 178

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Word Addr Bit R/W Name Description
0x4C5 15:0 RW User Next page low The Auto Negotiation TX state machine uses these
bits if the AN Next Page control bit is set. The
following bits are defined:
[15]: next page bit
[14]: ACK controlled by the state machine
[13]: Message Page (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. Bit 49,
the PRBS bit, is generated by the Auto-Negotiation
TX state machine.
0x4C6
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 Negotia‐
tion TX state machine.
0x4C7 15:0 RO LP base 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] RF bit
[12:10] Pause bits
[9:5] Echoed Nonce which are set by the state
machine
[4:0] Selector
0x4C8 31:0 RO LP base page high The AN RX state machine receives 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
UG-01143
2015.05.11
10GBASE-KR PHY Register Definitions
2-147
Implementing Protocols in Arria 10 Transceivers
Altera Corporation
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