Agilex™ 5 FPGA E-Series 065B Premium Development Kit User Guide

ID 814550
Date 8/05/2024
Public
Document Table of Contents

A.4. Clocks

Table 8.  Onboard Clock Sources
Source Signal Name Default Frequency I/O Standard Application
U67 (SI5518) 1PPS_3V3_SI5518_TO_FPGA 1 Hz LVCMOS 3.3 V 1PPS to FPGA
1PPS_GRAND_MASTER_LOOPBACK 1 Hz LVCMOS 3.3 V 1PPS loopback to SI5518
PTP_SAMPLE_CLK_250M_P/N 250 MHz LVDS 3.3 V PTP sample clock
TOD_MASTER_CLK_125M_P/N 125 MHz LVDS 3.3 V ToD master clock
CIPRI_HIGH_REFCLK_P/N 184.32 MHz LVDS 3.3 V CIPRI High clock
CIPRI_LOW_REFCLK_P/N 153.6 MHz LVDS 3.3 V CIPRI Low clock
5518_QSFP1_REFCLK_P/N 156.25 MHz LVDS 3.3 V QSFP1 clock
QSFP2_REFCLK_P/N 156.25 MHz LVDS 3.3 V QSFP2 clock
HVIO6D_PLLREFCLK1 125 MHz LVCMOS 1.8 V HVIO 6D Bank PLL clock
HVIO5B_PLLREFCLK2 100 MHz LVCMOS 3.3 V HVIO 5B Bank PLL clock
USB3_REFCLK_P/N 100 MHz LVDS 3.3 V USB3 clock
U411 (SI5332) 5332_SFP_REFCLK_P/N 156.25 MHz LVDS 1.8 V SFP clock
LPDDR4_REFCLK_P/N 116.625 MHz1 LVDS 1.8 V LPDDR4 clock
RESERVE_FMC_PCIE_REFCLK_P/N 100 MHz LVDS 1.8 V FMC REFCLK_C2M clock (reserved)
HVIO6C_PLLREFCLK1 100 MHz LVCMOS 3.3 V HVIO 6C Bank PLL clock
HVIO5B_SYSPLLREFCLK_L1A_0 100 MHz LVCMOS 3.3 V HVIO 5B Bank SYSPLL clock
U412 (SI5332) 88E2110_REFCLK_P/N 125 MHz LVDS 3.3 V 88E2110 clock
DDR4_COMP1_REFCLK_P/N 100 MHz LVDS 1.8 V DDR4 COMP1 clock
DDR4_COMP_REFCLK_P/N 100 MHz LVDS 1.8 V DDR4 COMP clock
MIPI_REFCLK_P/N 100 MHz LVDS 3.3 V MIPI clock
SMA_CLKOUT_P/N 100 MHz LVDS 3.3 V SMA clock out (J30/J31)
U2 (SI510 XTAL) MAX10_50M_CLK 50 MHz LVCMOS 3.3 V MAX® 10 clock
U12 (SI510 XTAL) FPGA_OSC_CLK1 125 MHz LVCMOS 1.8 V FPGA SDM clock
X5 (SI569 VCXO) FMC_VCXO_REFCLK_P/N 148.35 MHz LVDS 2.5 V FMC/HDMI clock
X6 (SI548 XO) FMC_PROG_REFCLK_P/N 135 MHz LVDS 2.5 V FMC/DP clock
Figure 64. Clock Tree
1 The default frequency of LPDDR4_REFCLK_P/N is 100 MHz in the development kit installer package v24.2 onwards.