内容课件文案exnandwriter user guide.pdfVIP

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The information in this is subject to change without notice. The Nuvoton Technology Corp. shall not be liable for technical or editorial errors or omissions contained herein; nor for al or consequential damages resulting from the furnishing, performance, or use of this material. This ation may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to any electronic medium or machine readable form without prior consent, in writing, from the Nuvoton Technology Corp. Nuvoton Technology Corp. s . Table of Contents 1. Introduction 4 1.1. ExNandWriter Introduction 4 2. Operation 5 2.1. SD Card 0 5 2.2. INI File 6 2.3. Operation 8 2.4. Modification 9 3. Revision History 11 1. Introduction 1.1. ExNandWriter Introduction W55FA series have two boot flows – one is Normal mode; the other is Recovery mode. For FA93, the boot flows are as below: Normal mode boot flow is SD card 0 boot - NAND boot - SPI boot - SD card 1 boot - USB boot Recovery mode boot flow is USB boot ExNandWriter utilizes the character of Normal mode to load code of ExNandWriter.bin from SD card 0. When ExNandWriter.bin program executes, it will read the ExNandWriter.ini file from SD card 0 then program the external NAND chip that use CS1 pin (chip select 1) according the INI file setting. This will guide you how to prepare the SD card 0 and modify INI file. 2. Operation 2.1. SD Card 0 The SD card 0 must reserve some space to store the SDLoader.bin and ExNandWrite

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