Arria® V Device Handbook: Volume 2: Transceivers

ID 683573
Date 5/29/2020
Public
Document Table of Contents

2.3.2.1. Quartus II-Software Selected Transmitter Datapath Interface Clock

The Quartus II software automatically picks the appropriate clock from the FPGA fabric to clock the transmitter datapath interface.
Figure 73. 6-Gbps Transmitter Datapath Interface Clocking for Non-Bonded ChannelsThe figure shows the transmitter datapath interface of two 6 Gbps transceiver non-bonded channels clocked by their respective transmitter PCS clocks which are forwarded to the FPGA fabric.


Figure 74.  Arria V GT/ST 10-Gbps Transmitter Datapath Interface Clocking for Non-Bonded ChannelsThe figure shows the Arria V GT/ST transmitter datapath interface of two 10-Gbps transceiver non-bonded channels clocked by their respective transmitter PMA clocks, which are forwarded to the FPGA fabric.


Figure 75. 6-Gbps Transmitter Datapath Interface Clocking for Three Bonded ChannelsThe following figure shows the 6-Gbps transmitter datapath interface of three bonded channels clocked by the tx_clkout[0] clock. The tx_clkout[0] clock is derived from the central clock divider of channel 1 or 4 in a transceiver bank.