Siemens AG and Sandisk unveiled a flashed memory card in 1997 that called the Multimedia card (MMC). It is much smaller than the earlier system of Intel NOR did based memory such as compact Flash because it is based on the Toshiba’s NAND base flash memory so this basically is of a size of postage stamp. The size is all about 24mm*32mm*1.4mm. a 1-bit serial interface was initially used by MMC but the newer versions allow the transfer of the 4 to 8-bit serial specification.MMC can be used in many devices that use SD cards. MMC is used as storage media for portable device, a form that a PC can easily remove for access.
The use of MMC for a digital camera is to store image files and the MMC reader will help a reader to copy the files off from the camera and save them into his or her computer. The SD slots best read the MMCs if the both the laptops and the desktops in the modern times have them and then there is a support from the modern systems. The models announced by MMC such as 4GB and 8GB are not yet available but they are to be had up to. Wherever there is a use of memory card the MMC cards are utilized such as digital audio players, digital cameras and PDA’s etc. there is a minor level difference for the MMC memory cards shape in some mobiles such as Nokia 9300 communicator but almost any device that supports SD cards with the supporting software and firmware, uses it.
Any company that wants to develop the products based on the MCC, the technology is a standard available. The specification can be purchased by the MCC association who also considers some appropriate restrictions regarding the use of the specifications. You may request the specifications of the specification of the 4.3 versions from MMCA as of February 2008 and down load it free of charge after registering. There is a huge amount of data sheet provided on Samsung that is thought be a major baker containing most of the information regarding the writing an MMC driver. A smaller form factor called smaller size multimedia card is also available in about of a size of 24mm*18mm*1.4mm. It is also known as RS-MMC with a simple mechanical adapter to elongate the card and it was first used in 2004.
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