Cyclone V Device Handbook: Volume 2: Transceivers

ID 683586
Date 10/24/2018
Document Table of Contents Bonded Channel Configurations

This section describes the clock path for bonded configurations.

The following table describes the clock path for bonded configurations with the CMU PLL as TX PLL using various clock lines.

Table 37.   Clock Path for Bonded Configurations
Clock Line Transmitter PLL Clock Path
x6, xN CMU CMU PLL » central clock divider » x6 » xN » serializer 8
Figure 45.  Four Bonded Transmitter Channels Driven by CMU PLL using x6 and xN Clock Line Across Multiple Transceiver Banks

Note: When a channel PLL is configured as a CMU PLL to drive the local clock divider or the central clock divider of its own channel, the channel PLL cannot be used as a CDR. Without a CDR, the channel can be used only as a transmitter.
8 Bonded channels within the neighboring two banks or within the six channels of TX PLL are driven by clocks from x6 clock line. Channels in other banks outside the 6 channels are driven by the xN clock line.