文件名称:sd
- 所属分类:
- 单片机(51,AVR,MSP430等)
- 资源属性:
- [PDF]
- 上传时间:
- 2012-11-26
- 文件大小:
- 65kb
- 下载次数:
- 0次
- 提 供 者:
- d**
- 相关连接:
- 无
- 下载说明:
- 别用迅雷下载,失败请重下,重下不扣分!
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SD卡调试已成功,上传我的经验
调试关键点: 上电时要延时足够长的时间给SD卡一个准备过程,在我的程序里是5秒,根据不同的卡设置不同的延时时间。SD卡初始化第一步在发送CMD命令之前,在片选有效的情-SD card commissioning has been successfully uploaded my experience debugging the key point: the power to delay long enough time to the process of preparing a SD card in my program there is 5 seconds, depending on the card to set a different delay time. SD card initialization step before sending the CMD command, chip select valid in the situation
调试关键点: 上电时要延时足够长的时间给SD卡一个准备过程,在我的程序里是5秒,根据不同的卡设置不同的延时时间。SD卡初始化第一步在发送CMD命令之前,在片选有效的情-SD card commissioning has been successfully uploaded my experience debugging the key point: the power to delay long enough time to the process of preparing a SD card in my program there is 5 seconds, depending on the card to set a different delay time. SD card initialization step before sending the CMD command, chip select valid in the situation
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SD.pdf