Intel Arria 10 User Manual page 153

2. Implementing Protocols in Arria 10 Transceivers
UG-01143 | 2018.06.15
Word Bit R/W
Addr
30:28 RW
0x4C4 31:0 RW
0x4C5 15:0 RW
0x4C6 31:0 RW
0x4C7 15:0 RO
0x4C8 31:0 RO
0x4C9 15:0 RO
Name
AN_PAUSE value with which to override the current value. The
Override
following bits are defined:
AN_PAUSE[2:0]
•
•
•
You must set 0x4C0 bit-5 for this to take effect.
The Auto Negotiation TX state machine uses these bits if the
User base page high
Auto Negotiation base pages ctrl bit is set. The following bits
are defined:
•
•
Bit 49, the PRBS bit, is generated by the Auto Negotiation TX
state machine.
The Auto Negotiation TX state machine uses these bits if the
User Next page low
AN Next Page
defined:
•
•
•
•
•
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.
The Auto Negotiation TX state machine uses these bits if the
User Next page high
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.
The AN RX state machine receives these bits from the link
LP base page low
partner. The following bits are defined:
•
•
•
•
•
•
The AN RX state machine receives these bits from the link
LP base page high
partner. The following bits are defined:
•
•
•
The AN RX state machine receives these bits from the link
LP Next page low
partner. The following bits are defined:
•
•
•
•
•
For more information, refer to Clause 73.7.7.1 Next Page
encodings of IEEE 802.3ap-2007.
Description
Bit-28 = = Pause Ability
AN_PAUSE [0]
Bit-29 = = Asymmetric Direction
AN_PAUSE [1]
Bit-30 = = Reserved
AN_PAUSE [2]
[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.
control bit is set. The following bits are
[15]: next page bit
[14]: ACK controlled by the state machine
[13]: Message Page (MP) bit
[12]: ACK2 bit
[11]: Toggle bit
[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
[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
[15]: Next page bit
[14]: ACK which is controlled by the state machine
[13]: MP bit
[12] ACK2 bit
[11] Toggle bit
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Intel Arria
continued...
10 Transceiver PHY User Guide
153