摘要
介绍了如何使用单片机的串行外设接口(SPI接口)对多媒体存储卡进行控制,从而实现存储卡从MMC工作模式到SPI工作模式的切换.并在SPI模式下对存储卡进行数据的读写。
This paper shows how to control Multimedia Card (MMC) through Serial Peripheral Interface (SPI) of Single Chip Microcomputer (SCM),That is to say,SCM convert the working mode of the Multimedia Card from MMC into SPI and write data to and read data from the Multimedia Card.
出处
《电脑知识与技术》
2006年第5期147-147,155,共2页
Computer Knowledge and Technology