【摘要】 SD卡具有价格低廉、存储容量大、使用方便、通用性与安全性强等优点,这使得SD卡在现在的日常生活与工作中使用非常广泛,已经成为最为通用的数据存储卡。SD卡广泛应用在诸如MP3、数码相机等设备上作为存储设备;工业控制器及数据采集等设备也常需要使用SD卡提高数据存储的灵活性。通过接入SD卡等大容量存储设备,不但可以用于存储多媒体信息,还可以用于存放单片机系统中的应用程序。讨论如何利用单片机实现SD卡的读写。更多还原

【Abstract】 SD card has low cost,large storage capacity,strong commonality and security,and is easy to use. Now SD card is widely used in daily life,and it has become the most common data storage card. SD card is widely used in such as MP3,digital cameras and other devices as a storage device. Industrial controllers and data acquisition equipment also often use SD card to improve the flexibility of data storage. The SD card mass storage device not only can be used to store multimedia information but also be used to store the application programsin the single chip computer system. This article discusses how to use single chip computer to achieve SD card read / write control.更多还原