Intel® Arria® 10 Transceiver PHY User Guide

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ID 683617
Date 3/28/2022
Public
Document Table of Contents

3.3. Transmitter Clock Network

The transmitter clock network routes the clock from the transmitter PLL to the transmitter channel. It provides two types of clocks to the transmitter channel:

  • High Speed Serial clock—high-speed clock for the serializer.
  • Low Speed Parallel clock—low-speed clock for the serializer and the PCS.

In a bonded channel configuration, both the serial clock and the parallel clock are routed from the transmitter PLL to the transmitter channel. In a non-bonded channel configuration, only the serial clock is routed to the transmitter channel, and the parallel clock is generated locally within the channel. To support various bonded and non-bonded clocking configurations, four types of transmitter clock network lines are available:

  • x1 clock lines
  • x6 clock lines
  • xN clock lines
  • GT clock lines

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