Flex Interface Modes of Operation - 2.4 English

Versal Adaptive SoC 600G Channelized Multirate Ethernet Subsystem (DCMAC) LogiCORE IP Product Guide (PG369)

Document ID
PG369
Release Date
2024-08-05
Version
2.4 English

The following table describes the available FLEX I/F operation modes.

Note: Some modes are not available in all device speed grades.
Table 1. Flex Interface Modes of Operation
Operating Mode CL91 RS(528,514) CL91 RS(544,514) CL119 RS(544,514) CL161 RS(544,514) Line Rate (Gb/s) FLEX I/F Data

Width (Bits)

FLEX I/F Clock

(MHz)

Logic Internal

Clock (MHz)

Align Bypass 256B/257B

Transcode Bypass

Scrambled with AMs Unscrambled Unscrambled with

/E/ replace (RX only)

Unscrambled

with PCS FSM

100GE 103.125 264 390.625 644.53
100GE (Wide) 103.125 330 322.27 1 644.53
100GE 106.25 264 390.625 664.06
100GE (Wide) 106.25 330 322.27 1 664.06

100GE overclocking 2

109.42GE (No FEC)

109.42GE (RS528)

112.84 264 427.42 705.25

100GE overclocking 3

108.61GE (No FEC)

108.61GE (RS528)

112 264 424.24 700

100GE overclocking 2

106.20GE (RS544)

112.84 264 414.85 705.25

100GE overclocking 3

105.41GE (RS544)

112 264 411.76 700
100G FlexO 111.81 320 349.40 698.81
128GFC 2 112.2 264 425 701.25
128GFC (Wide) 2 112.2 330 340 701.25
112G FEC‑only 112 320 350 700
100G FEC‑only 112 320 350 700
2x56.42G FEC‑only 56.42 2x160 352.625 705.25
200GE (wide) Not Supported
400GE (wide) Not Supported
200GE 212.5 528 390.625 664.06

200GE overclocking 2

212.4GE (RS544)

225.68 528 414.85 705.25

200GE overclocking 3

210.82GE (RS544)

224 528 411.76 700
200G FlexO 223.62 640 349.40 698.81
400GE 425 1056 390.625 664.06

400GE overclocking 2

424.8GE (RS544)

451.36 1056 414.85 705.25

400GE overclocking 3

421.65GE (RS544)

448 1056 411.76 700
400G FlexO 447.24 1280 349.40 698.81
  1. Although the required minimum is 312.5 MHz, the recommended minimum is 322.27 MHz.
  2. For transceiver lane serial rate up to 56.42 Gb/s.
  3. For transceiver lane serial rate beyond 56.42 Gb/s and up to 112 Gb/s.