MMC System Specification V4.0.pdf

MMC V4.0规范,找了很久才找到,希望可以帮到需要的人,The MultiMediaCard Electrical Specification has been prepared by the MultiMediaCard Association, hereafter referred to as MMCA. The MMCA exists to promote adoption of a global standard for a compact, robust, affordable storage and retrieval device, the MultiMediaCard. C