AN 813: Hierarchical Partial Reconfiguration over PCI Express* Reference Design: for Intel® Arria® 10 Devices

ID 683730
Date 1/20/2021
Public
Document Table of Contents

1.4.1.2. External Memory Interfaces Intel® Arria® 10 FPGA IP

The ddr4_emif logic includes the External Memory Interfaces Intel® Arria® 10 FPGA IP. This IP core interfaces to the DDR4 external memory, with a 64-bit interface that runs at 1066.0 MHz. Also, the IP core provides 2 GB of DDR4 SDRAM memory space. The EMIF Avalon® -MM slave runs at 300 MHz.

The following table lists the External Memory Interfaces Intel® Arria® 10 FPGA IP parameters that are different from the Intel® Arria® 10 GX FPGA Development Kit with DDR4 HILO preset settings:

Table 4.   External Memory Interfaces Intel® Arria® 10 FPGA IP Configuration
Setting Parameter Value
Memory - Topology DQ width 64
DQ pins per DQS group 8
Number of DQS groups 8
Alert# pin placement I/O Lane with Address/Command Pins
Address/Command I/O lane of ALERT# 3
Pin index of ALERT# 0