Flex Interface Modes of Operation - 3.1 English - PG314

Versal Devices Integrated 100G Multirate Ethernet MAC Subsystem Product Guide (PG314)
Document ID
PG314
Release Date
2025-09-02
Version
3.1 English

The following table describes the available Flex I/F modes of operation. Note the dependence of device speed grades on the available modes.

Table 1. Flex Interface Modes of Operation
MRMAC Configuration CL74 RS(528,514) RS(544,514) GT Line Rate (Gb/s) Number of GT Lanes GT Interface Data Width (Bits) GT Data Rate (MHz) Flex I/F Clock (Minimum) (MHz) Supported Flex I/F Modes
PCS/BASE-R Mode FlexE OTN FEC Only Mode
10GE ✓ – – 10.3125 1 16 644.5313 332.2656 ✓ ✓ ✓ –
10GE ✓ – – 10.3125 1 32 322.2656 322.2656 ✓ ✓ ✓ ✓
25GE ✓ – – 25.78125 1 40 644.5313 322.2656 ✓ ✓ ✓ –
25GE – ✓ – 25.78125 1 40 644.5313 322.2656 ✓ ✓ ✓ –
25GE ✓ ✓ – 25.78125 1 80 322.2656 322.2656 ✓ ✓ ✓ ✓
40GE

XLAUI-4

 – – – 10.3125 4 16 644.5313 322.2656 ✓ ✓ ✓ –
40GE

XLAUI-4

 – – – 10.3125 4 32 322.2656 322.2656 ✓ ✓ ✓ –
50GE

LAUI-2

 – ✓ – 25.78125 2 40 644.5313 322.2656 ✓ ✓ ✓ –
50GE

LAUI-2

 – ✓ – 25.78125 2 80 322.2656 322.2656 ✓ ✓ ✓ ✓
50GE

50GAUI-2

 – – ✓ 26.5625 2 40 664.0625 332.03125 ✓ ✓ ✓ ✓
50GE – – ✓ 53.125 1 80 664.0625 332.03125 ✓ ✓ ✓ ✓
100GE

CAUI-4

 – ✓ – 25.78125 4 40 644.5313 322.2656 ✓ ✓ ✓ –
100GE

CAUI-4

 – ✓ – 25.78125 4 80 322.2656 322.2656 ✓ ✓ ✓ ✓
100GE

100GAUI-4

 – – ✓ 26.5625 4 40 644.0625 332.03125 ✓ ✓ ✓ –
100GE overclocking:

109.42GE – No FEC

109.42GE – RS(528,514) FEC

106.20GE – RS(544,514) FEC

 – ✓ ✓ 28.21 4 80 352.625 352.625 – – – –
100GE – – ✓ 53.125 2 160 332.03125 332.03125 – – – ✓
100GE Overclocking – – ✓ 56.42 2 160 352.625 352.625 – – – ✓
FC32 – – – 28.05 1 80 350.625 350.625 – – – ✓