The configuration of the ILKNF subsystem is selected according to the following table.
ctl_core_mode[1:0] | SerDes I/F Mode (Bits) 1 | Supported Gearbox Mode(s) 2 | Internal Bus Width (Bits) | AXI Width (Bits) | SerDes Rate (Gb/s) | Max # Lanes |
---|---|---|---|---|---|---|
2'b00 | 40 | 67/40 | 512 | 512 | 12.5 | 12 |
40 | 67/40 | 512 | 512 | 25.781 | 8 | |
512 | 6 | |||||
768 | 8 | |||||
768 | 10 | |||||
1024 | 10 | |||||
768 | 12 | |||||
1024 | 12 | |||||
80a | 67/40 | 512 | 512 | 28.21 | 8 | |
512 | 6 | |||||
768 | 8 | |||||
768 | 10 | |||||
1024 | 10 | |||||
768 | 12 | |||||
1024 | 12 | |||||
80 | 130/130 (FEC) 134/80 | 512 | 512 | 53.125 | 4 | |
768 | 4 | |||||
768 | 6 | |||||
1024 | 6 | |||||
160a | 130/130 (FEC) 134/80 | 512 | 512 | 56.42 | 4 | |
768 | 4 | |||||
768 | 6 | |||||
1024 | 6 | |||||
2'b01 | 40 | 67/40 | 512 | 768 | 12.5 | 18 |
768 | 24 | |||||
1024 | 24 | |||||
2'b10 | 40 | 67/40 | 1024 | 1024 | 25.781 | 16 |
1536 | 16 | |||||
1536 | 18 | |||||
2048 | 18 | |||||
1536 | 24 | |||||
2048 | 24 | |||||
80a | 67/40 | 1024 | 1024 | 28.21 | 16 | |
1536 | 16 | |||||
1536 | 18 | |||||
2048 | 18 | |||||
1536 | 24 | |||||
2048 | 24 | |||||
2'b11 | 80 | 130/130 (FEC) 134/80 | 1024 | 1024 | 53.125 | 8 |
1536 | 8 | |||||
1536 | 10 | |||||
2048 | 10 | |||||
1536 | 12 | |||||
2048 | 12 | |||||
160a | 130/130 (FEC) 134/80 | 1024 | 1024 | 56.42 | 8 | |
1536 | 8 | |||||
1536 | 10 | |||||
2048 | 10 | |||||
1536 | 12 | |||||
2048 | 12 | |||||
|
Note: A reset is required
after a configuration change.