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Lattice Semiconductor ECP5 - User Manual

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July 2014
EB91_1.0
ECP5™ PCI Express Board
User’s Guide

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Lattice Semiconductor ECP5 Specifications

General IconGeneral
BrandLattice Semiconductor
ModelECP5
CategoryRecording Equipment
LanguageEnglish

Summary

Introduction

Features

Key board features and capabilities.

ECP5 Device Overview

Applying Power to the Board

Power Distribution Scheme

Diagram showing voltage rails and their distribution.

FPGA Configuration

Diamond Programmer Requirements

Software and driver setup for board programming.

Board Programming Switches

Selecting devices and configuration modes via switches.

Push-button Controls

Description of PROGRAMN and GSRN push-button functions.

Serial SPI Flash Programming

On-Board Clock Capabilities

SERDES Block

Functionality and purpose of the SERDES block.

FPGA Test Pins and Switches

General Purpose DIP Switches

Details on DIP switch usage for configuration.

General Purpose LEDs

LPDDR3 Memory Device

Ethernet Interfaces

Power Measurements

PMOD Connector

Expansion Headers;Connectors

Ordering Information

Technical Support Assistance

Contact information for technical support.

Revision History

Document version and update summary.

Appendix B: Schematic

Board Block Diagram

Visual overview of board components and connections.

ECP5 Banks Overview

Diagram of FPGA banks and their functions.

Power Supply Schematics

Detailed diagrams of power regulation circuits.

FPGA GPIO Pin Mapping

Mapping of FPGA pins to board connectors.

USB to FTDI Connection

Details of the USB interface for programming.

XO2 Configuration Mux

Configuration selection logic for the XO2 device.

ECP5 Configuration Switches and LEDs

Explanation of DIP switches and status LEDs.

System Clock Generation

Circuitry for generating system clocks.

Card #1 Expansion Connector Pinout

Detailed pin assignments for expansion connector 1.

PCIe 4-Lane Connector Pinout

Pin assignments for the PCIe edge connector.

RJ45 Ethernet Connector Details

Explanation of the Ethernet port and its components.

LPDDR3 Connections and Voltages

LPDDR3 interface connections and voltage rails.

ECP5 Bank Pin Assignments

Detailed pin assignments for ECP5 banks.

Mipi Tx Termination Details

Specific termination resistor configurations for Mipi Tx.

subLVDS Termination Resistors #1

Details on subLVDS termination resistor placement.

subLVDS Termination Resistors #2

More details on subLVDS termination resistor placement.

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