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It explains port structures, signal and parameter attributes, and details how IP is generated and how storage expansion works. The guide covers read and write behaviors including normal, write-through, and read-before-write modes, plus conflict avoidance, byte enable, parity bit support, power-up conditions, output reset, and location constraints. Revision history is included.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/gowin-b-sram-user-guide-ug285-109e/673140/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/gowin-b-sram-user-guide-ug285-109e/673140.png","ImageObject",300,407,{"name":92,"@type":93},"Fishy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-02",true,{"@type":101,"interactionType":102,"userInteractionCount":8},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What is the purpose of this guide and what products does it support?","Question",{"text":111,"@type":112},"The guide states its purpose, lists supported products, and defines related documents so readers can understand the scope and applicability of Gowin B-SRAM (UG285-1.09E).","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"Which configuration and port modes are described for B-SRAM?",{"text":116,"@type":112},"It covers configuration options including Single Port Mode, Dual Port Mode, Semi-Dual Port Mode, and Read Only, along with port structures and signal/parameter attributes.",{"name":118,"@type":109,"acceptedAnswer":119},"How do the main operation modes for read and write differ?",{"text":120,"@type":112},"The document describes Read Mode, and multiple write modes: Normal mode, Write-through mode, and Read-before-write mode, plus conflict avoidance and byte enable behavior.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},673140,1793621367,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":138,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":128,"read_time":143},14431098389841,"https://eur-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","Gowin B-SRAM  \nUser Guide  \nUG285-1.09E, 5/31/2018  \nCopyright©2018 Guangdong Gowin Semiconductor Corporation. All Rights Reserved.  \nNo part of this document may be reproduced or transmitted in any form or by any denotes, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of GOWINSEMI.  \nDisclaimer  \nGOWINSEMI® , LittleBee® , Arora ™ , and the GOWINSEMI logos are trademarks of GOWINSEMI and are registered in China, the U.S. Patent and Trademark Office and other countries. All other words and logos identified as trademarks or service marks are the property of their respective holders, as described [at www.gowinsemi.com.cn. GOWINSEMI](at www.gowinsemi.com.cn. GOWINSEMI)[ ](at www.gowinsemi.com.cn. GOWINSEMI)assumes no liability and provides no warranty (either expressed or implied) and is not responsible for any damage incurred to your hardware, software, data, or property resulting from usage of the materials or intellectual property except as outlined in the GOWINSEMI Terms and Conditions of Sale. All information in this document should be treated as preliminary. GOWINSEMI may make changes to this document at any time without prior notice. Anyone relying on this documentation should contact GOWINSEMI for the current documentation and errata.  \nRevision History  \n\n| Date | Version | Description |\n| --- | --- | --- |\n| 05/31/2018 | 1.09E | Initial version published. |\n\nContents  \nContents ............................................................................................................... i  \nList of Figures .................................................................................................... iii  \nList of Tables...................................................................................................... iv  \n1 About This Guide ............................................................................................. 1  \n1.1 Purpose .............................................................................................................................. 1  \n1.2 Supported Products ............................................................................................................ 1  \n1.3 Related Documents ............................................................................................................ 1  \n1.4 Abbreviations and Terminology ........................................................................................... 2  \n1.5 Support and Feedback ....................................................................................................... 2  \n2 Overview........................................................................................................... 3  \n2.1 Features .............................................................................................................................. 3  \n2.2 Configuration ...................................................................................................................... 4  \n2.2.1 Single Port Mode ............................................................................................................. 6  \n2.2.2 Dual Port Mode ................................................................................................................ 6  \n2.2.3 Semi-Dual Port Mode ...................................................................................................... 7  \n2.2.4 Read Only ........................................................................................................................ 7  \n3 Ports and Parameters...................................................................................... 9  \n3.1 Structure View .................................................................................................................... 9  \n3.2 Ports Signal Description ................................................................................................... 10  \n3.3 Parameter Attributes .....................","cbCaiqzcAgloABbP","https://ap.wps.com/l/cbCaiqzcAgloABbP","pdf",569314,36,"English","# About This Guide\n## Purpose\n## Supported Products\n## Related Documents\n## Abbreviations and Terminology\n## Support and Feedback\n# Overview\n## Features\n## Configuration\n### Single Port Mode\n### Dual Port Mode\n### Semi-Dual Port Mode\n### Read Only\n# Ports and Parameters\n## Structure View\n## Ports Signal Description\n## Parameter Attributes\n# IP Generation\n# Storage Expansion\n# Operation Modes\n## Read Mode\n## Write Mode\n### Normal mode\n### Write-through Mode\n### Read-before-write mode\n## Conflict Avoidance\n## Byte Enable\n## Parity Bit Support\n## Power-up Conditions\n## Output Reset\n## B-SRAM Location Constraint\n# B-SRAM Primitives","[{\"question\":\"What is the purpose of this guide and what products does it support?\",\"answer\":\"The guide states its purpose, lists supported products, and defines related documents so readers can understand the scope and applicability of Gowin B-SRAM (UG285-1.09E).\"},{\"question\":\"Which configuration and port modes are described for B-SRAM?\",\"answer\":\"It covers configuration options including Single Port Mode, Dual Port Mode, Semi-Dual Port Mode, and Read Only, along with port structures and signal/parameter attributes.\"},{\"question\":\"How do the main operation modes for read and write differ?\",\"answer\":\"The document describes Read Mode, and multiple write modes: Normal mode, Write-through mode, and Read-before-write mode, plus conflict avoidance and byte enable behavior.\"}]","Gowin B-SRAM - User Guide - UG285-1.09E | PDF",91]