LDPC IP Core User Guide

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ID 683381
Date 4/04/2022
Public
Document Table of Contents
Document Table of Contents x
Product Discontinuance Notification 2. LDPC IP EOL 2. About the LDPC IP Core 3. Getting Started with the LDPC IP Core 4. LDPC IP Core Specifications 5. Document Revision History A. LDPC IP Core Document Archive
2. About the LDPC IP Core x
2.1. LDPC IP Core Features 2.2. LDPC IP Device Family Support 2.3. LDPC IP Core Release Information 2.4. DSP Intel® FPGA IP Verification 2.5. LDPC IP Core Performance
3. Getting Started with the LDPC IP Core x
3.1. Installing and Licensing Intel® FPGA IP Cores 3.2. IP Catalog and Parameter Editor 3.3. Specifying the IP Core Parameters and Options ( Intel® Quartus® Prime Pro Edition) 3.4. Simulating Intel® FPGA IP Cores
3.1. Installing and Licensing Intel® FPGA IP Cores x
3.1.1. Intel® FPGA IP Evaluation Mode 3.1.2. LDPC IP Core Intel® FPGA IP Evaluation Mode Timeout Behavior
3.3. Specifying the IP Core Parameters and Options ( Intel® Quartus® Prime Pro Edition) x
3.3.1. IP Core Generation Output ( Intel® Quartus® Prime Pro Edition)
4. LDPC IP Core Specifications x
4.1. LDPC IP Core Interfaces 4.2. LDPC IP Core Parameters
4.1. LDPC IP Core Interfaces x
4.1.1. Avalon Streaming Interfaces in DSP Intel FPGA IP 4.1.2. Clock and Reset Interfaces 4.1.3. LDPC IP Core Signals
4.1.3. LDPC IP Core Signals x
4.1.3.1. LDPC IP Core Backpressure
Product Discontinuance Notification
2. LDPC IP EOL
2. About the LDPC IP Core
3. Getting Started with the LDPC IP Core
4. LDPC IP Core Specifications
5. Document Revision History
A. LDPC IP Core Document Archive

3.1.2. LDPC IP Core Intel® FPGA IP Evaluation Mode Timeout Behavior

All IP cores in a device time out simultaneously when the most restrictive evaluation time is reached. If a design has more than one IP core, the time-out behavior of the other IP cores may mask the time-out behavior of a specific IP core .

For IP cores, the untethered time-out is 1 hour; the tethered time-out value is indefinite. Your design stops working after the hardware evaluation time expires. The Quartus Prime software uses Intel® FPGA IP Evaluation Mode Files (.ocp) in your project directory to identify your use of the Intel® FPGA IP Evaluation Mode evaluation program. After you activate the feature, do not delete these files..

When the evaluation time expires, for LDPC IP core encoders out_data goes low and rst goes high; for decoders cw_out_data goes low, rst goes high .

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