Achronix Speedster22i sBus Manual de usuario descargar pdf (Pagina 8)

8 UG047, October 24, 2013

Conventions used in this Guide

This document uses the conventions shown in the following table.

Item

Format

Examples

Command-line entries

Courier bold font face

$ Open top_level_name.log

File Names

Courier font face

filename.ext

GUI buttons, menus and

radio buttons

Helvetica bold font face

Click OK to continue.

File → Open

Variables

Italic emphasis

design_dir/output.log

Window and dialog box

headings and sub-headings

Heading in quotation

marks

Under “Output Files,” select ...

Window and dialog box

names

Initial caps

From the Add Files dialog box, ...

Terminologies used in this Guide

This document uses the terminologies and synonyms shown in the following table.

Terminology

Synonyms

Examples

Speedster22i

HD1000

Refers to the Achronix FPGA

family

sBus

Serial bus, SBUS

Refers to the serial bus on the

HD1000

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 26 27

Speedster22i sBus Interface 1
User Guide 1
Copyright Info 2
Table of Contents 3
4 UG047, October 24, 2013 4
List of Figures 5
List of Tables 6
Preface 7
8 UG047, October 24, 2013 8
Chapter 1 – sBus Overview 9
Operation 10
Features 10
Port List 11
Read Operation 11
8-bit Data-width Mode 12
Write Operation 13
Chapter 3 – sBus Interfaces 15
Slave Interface 16
Controller 18
Design Considerations 18
Design Example 20
Master State Machine 21
Clocking Considerations 22
UG047, October 24, 2013 23
Version 27
Revisions 27

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Achronix Speedster22i sBus Manual de usuario Pagina 8

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