BCH IP Core: User Guide

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ID 683320
Date 2/13/2017
Public
Document Table of Contents
Document Table of Contents x
1. About the BCH IP Core 2. BCH IP Core Getting Started 3. BCH IP Core Functional Description 4. Document Revision History A. BCH IP Core Document Archive
1. About the BCH IP Core x
1.1. Intel® DSP IP Core Features 1.2. BCH IP Core Features 1.3. DSP IP Core Device Family Support 1.4. BCH IP Core Release Information 1.5. DSP IP Core Verification 1.6. BCH IP Core Performance and Resource Utilization
2. BCH IP Core Getting Started x
2.1. Installing and Licensing IP Cores 2.2. IP Catalog and Parameter Editor 2.3. Generating IP Cores ( Intel® Quartus® Prime Pro Edition) 2.4. Simulating Intel FPGA IP Cores 2.5. DSP Builder for Intel® FPGAs Design Flow
2.1. Installing and Licensing IP Cores x
2.1.1. OpenCore Plus IP Evaluation 2.1.2. BCH IP Core OpenCore Plus Timeout Behavior
2.3. Generating IP Cores ( Intel® Quartus® Prime Pro Edition) x
2.3.1. IP Core Generation Output ( Intel® Quartus® Prime Pro Edition)
3. BCH IP Core Functional Description x
3.1. BCH IP Core Encoder 3.2. BCH IP Core Decoder 3.3. BCH IP Core Parameters 3.4. BCH IP Core Interfaces and Signals
3.4. BCH IP Core Interfaces and Signals x
3.4.1. Avalon-ST Interfaces in DSP IP Cores
1. About the BCH IP Core
2. BCH IP Core Getting Started
3. BCH IP Core Functional Description
4. Document Revision History
A. BCH IP Core Document Archive

3.4.1. Avalon-ST Interfaces in DSP IP Cores

Avalon-ST interfaces define a standard, flexible, and modular protocol for data transfers from a source interface to a sink interface.

The input interface is an Avalon-ST sink and the output interface is an Avalon-ST source. The Avalon-ST interface supports packet transfers with packets interleaved across multiple channels.

Avalon-ST interface signals can describe traditional streaming interfaces supporting a single stream of data without knowledge of channels or packet boundaries. Such interfaces typically contain data, ready, and valid signals. Avalon-ST interfaces can also support more complex protocols for burst and packet transfers with packets interleaved across multiple channels. The Avalon-ST interface inherently synchronizes multichannel designs, which allows you to achieve efficient, time-multiplexed implementations without having to implement complex control logic.

Avalon-ST interfaces support backpressure, which is a flow control mechanism where a sink can signal to a source to stop sending data. The sink typically uses backpressure to stop the flow of data when its FIFO buffers are full or when it has congestion on its output.

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