H-Tile Hard IP Ethernet Intel® FPGA IP User Guide: Stratix® 10 Devices
B.1.6. Auto Negotiation Config Register 3
- User base page low
- Override AN_TECH [7:0]
- Override AN_PAUSE
Offset: 0xC3
Access: RW
Auto Negotiation Config Register 3 Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 30:28 | override_an_pause | AN_PAUSE Override Value When Override AN Parameters is enabled (override_an_parameters_enable=1), this register controls the value of AN_PAUSE used in the AN Base page [0]: Pause Ability [1]: Asymmetric Direction [2]: Reserved |
RW | 0x0 |
| 23:16 | override_an_tech | AN_TECH Override Value, bits [7:0] When Override AN Parameters is enabled (override_an_parameters_enable=1), this register controls the value of AN_TECH used in the AN Base page [7]: 100GBASE-KR4 [8]: 100GBASE-CR4 |
RW | 0x0 |
| 15:0 | user_base_page_low | User Controlled AN Base page (lower bits) When User Controlled Base pages are turned on (an_base_pages_ctrl=1), this register provides the lower bits of the User base page that is used instead of the default page [15]: Next page bit [14]: ACK bit (controlled by State Machine) [13]: Remote Fault bit [12:10]: Pause bits [9:5]: Echoed Nonce (set by SM) [4:0]: Selector
Note: Bit 49 (the PRBS bit of the AN BASE page) is generated by the SM.
|
RW | 0x0 |