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International Standard Serial Number:
ISSN 1001-4551
Sponsor:
Zhejiang University;
Zhejiang Machinery and Electrical Group
Edited by:
Editorial of Journal of Mechanical & Electrical Engineering
Chief Editor:
ZHAO Qun
Vice Chief Editor:
TANG ren-zhong,
LUO Xiang-yang
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Design and implementation of simple SD card driven method in MCU system
ZHANG Chi, ZHANG Chengjun, WU Xiaoguang
(School of Mechanical Engineering, Wuhan Textile University, Wuhan 430074, China)
Abstract: In order to reduce the difficulty of secure digital memory card operation in microcontroller unit(MCU) system, a simple SD card driven method and interface circuit was introduced. This method is independent of partition table, so it sustains all kinds of SD card and partition formats, including FAT32, NTFS, exFAT format from 16 MByte to 32 GByte SD card. It can be appropriate for Masterslave control system using SD card. This method was used in LED display controller system. The application results indicate that the system achieves good effect.
Key words: secure digital memory card; SPI mode; micro controller unit(MCU); STC11L05
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