AN 739: Altera 1588 System Solution

ID 683410
Date 1/28/2016
Public
Document Table of Contents

1.4.5.1. Clock and Reset Signals

Table 12.  Clock and Reset Interface Signals
Signal Direction Width Description
reset_reset_n input 1 Reset signal for the system reference design.

This is asynchronous and active low signal.

fpga_clk_100 input 1 Arria V SoC operating clock.
ref_clk_644_0 input 1 Reference clock for Altera 10GBASE-R PHY for channel 0.
ref_clk_644_1 input 1 Reference clock for Altera 10GBASE-R PHY for channel 1.
clk_644_out output 1 Reference clock for Altera 10GBASE-R PHY output signal for debug purposes.