LPDDR4 test board

Copyright (c) 2021-2023 Antmicro

Overview

This repository contains open hardware design files for an experimental platform built around Xilinx Kintex-7 FPGA. The main purpose of this platform is to develop and customize RAM controllers supporting LPDDR4 ICs.

This hardware platform is supported by the LiteX Rowhammer Tester gateware. It can be used to investigate Rowhammer DRAM attacks. You can learn more about Rowhammer attacks from this blog note. The usage instructions for this board are also provided in the LiteX Row Hammer Tester documentation.

The design files for this board were prepared in KiCad.

Repository structure

The main repository directory contains KiCad PCB project files, a LICENSE and README. The remaining files are stored in the following directories:

• lib - contains the component libraries
• img - contains graphics for this README

Key features

• Kintex-7 FPGA - XC7K70T-FBG484
• Modular design with custom DDR4 SO-DIMM connector for various testbeds
• HDMI output connector
• Ethernet RJ45 connector with 1GbE transceiver
• Micro USB debug connector with FT4232HQ FTDI USB controller
• JTAG
• microSD card slot
• 16Mbytes S25FL128S QSPI FLASH memory
• S27KL0641 HyperRAM
• External 7-12V power input
• 5 user LEDs
• 4 user buttons

The LPDDR4 test board is electrically compatible with the following testbeds:

• LPDDR4 Testbed with a single LPDDR4 IC
• DDR5 Testbed with a signle DDR5 IC

Block diagram

Licensing

This project is published under the Apache-2.0 license.