F-Tile Ethernet Intel® FPGA Hard IP User Guide

ID 683023
Date 12/04/2023
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4.4.8. Minimum and Maximum Reference Time (TAM) Interval for UI Measurement (Hardware)

Table 21.  Minimum and Maximum Reference Time (TAM) Interval Allowed for UI Measurement (Hardware Basic Mode)
FEC type:
  • No FEC: No FEC
  • CL74: IEEE 802.3 BASE-R Firecode (CL74)
  • CL91: IEEE 802.3 RS(528,514) (CL91)
  • CL134: IEEE 802.3 RS(544,514) (CL134)
  • ETC: Ethernet Technology Consortium ETC RS(272, 258)
Mode FEC Type TX Minimum Number of Reference Time Load Interval TX Maximum Number of Reference Time Load Interval RX Minimum Number of Reference Time Load Interval RX Maximum Number of Reference Time Load Interval
Number of Count, N Time (ms) Number of Count, N Time (ms) Number of Count, N Time (ms) Number of Count, N Time (ms)
10GE-1 No FEC 6 3.15 32,767 17,179.34 6 0.10 32,767 536.85
25GE-1 No FEC 6 1.26 32,767 6,871.74 6 0.04 32,767 214.74
CL74
CL91 6 1.26 32,767 6,871.74 6 1.26 32,767 6,871.74
50GE-2 No FEC (ETC) 6 0.5 32,767 2,748.7 6 0.5 32,767 2,748.70

CL91

6 0.63 32,767 3,435.87 6 0.63 32,767 3,435.87
CL134
50GE-1

CL134

6 0.63 32,767 3,435.87 6 0.63 32,767 3,435.87
ETC
100GE-4

No FEC

6 1.26 32,767 6,871.74 6 1.26 32,767 6.871.74
CL91
CL134
100GE-2 CL134 6 1.26 32,767 6,871.74 6 1.26 32,767 6.871.74
ETC
100GE-1 CL134 6 1.26 32,767 6,871.74 6 1.26 32,767 6.871.74
200GE-8 CL134 6 0.63 32,767 3,435.87 6 0.63 32,767 3,435.87
200GE-4 CL134 6 0.63 32,767 3,435.87 6 0.63 32,767 3,435.87
ETC
200GE-2 CL134 6 0.63 32,767 3,435.87 6 0.63 32,767 3,435.87
400GE-8 CL134 6 0.63 32,767 3,435.87 6 0.63 32,767 3,435.87
ETC
400GE-4 CL134 6 0.63 32,767 3,435.87 6 0.63 32,767 3,435.87
Table 22.  Minimum and Maximum Reference Time (TAM) Interval Allowed for UI Measurement (Hardware Advanced Mode)
FEC type:
  • No FEC: No FEC
  • CL74: IEEE 802.3 BASE-R Firecode (CL74)
  • CL91: IEEE 802.3 RS(528,514) (CL91)
  • CL134: IEEE 802.3 RS(544,514) (CL134)
  • ETC: Ethernet Technology Consortium ETC RS(272, 258)
Mode FEC Type TX Minimum Number of Reference Time Load Interval TX Maximum Number of Reference Time Load Interval RX Minimum Number of Reference Time Load Interval RX Maximum Number of Reference Time Load Interval
Number of Count, N Time (ms) Number of Count, N Time (ms) Number of Count, N Time (ms) Number of Count, N Time (ms)
10GE-1 No FEC 10 5.24 32,767 17,179.34 10 0.16 32,767 536.85
25GE-1 No FEC 10 2.1 32,767 6,871.74 10 0.07 32,767 214.74
CL74
CL91 10 2.1 32,767 6,871.74 10 2.1 32,767 6,871.74
50GE-2 No FEC (ETC) 10 0.84 32,767 2,748.7 10 0.84 32,767 2,748.70
CL91 10 1.05 32,767 3,435.87 10 1.05 33,767 3,435.87
CL134
50GE-1

CL134

10 1.05 32,767 3,435.87 10 1.05 32,767 3,435.87
ETC
100GE-4

No FEC

10 2.1 32,767 6,871.74 10 2.1 32,767 6.871.74
CL91
CL134
100GE-2 CL134 10 2.1 32,767 6,871.74 10 2.1 32,767 6.871.74
ETC
100GE-1 CL134 10 2.1 32,767 6,871.71 10 2.1 32,767 6.871.74
200GE-8 CL134 10 1.05 32,767 3,435.87 10 1.05 32,767 3,435.87
200GE-4 CL134 10 1.05 32,767 3,435.87 10 1.05 32,767 3,435.87
ETC
200GE-2 CL134 10 1.05 32,767 3,435.87 10 1.05 32,767 3,435.87
400GE-8 CL134 10 1.05 32,767 3,435.87 10 1.05 32,767 3,435.87
ETC
400GE-4 CL134 10 1.05 32,767 3,435.87 10 1.05 32,767 3,435.87