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eMMC (embedded MMC) is a small MMC chip used as embedded non-volatile memory that is normally soldered on printed circuit boards, though pluggable eMMC modules are used on some devices (e.g. Orange Pi and ODROID).
Note that a memory card's dimensions are determined while holding the card with contact pins upwards. The length of cards is often greater than their width.
eMMC 5.0 support (Up to 400 MB/s) [168] DSDA [168] The Snapdragon 805 was announced on November 20, 2013. [173] CPU features 4 cores up to 2.7 GHz Krait 450; Up to 128-bit wide LPDDR3 memory interface; GPU features Adreno 420 GPU. Up to 128 ALU; Hardware dynamic tessellation support; Support for hull, domain and geometry shaders [174]
This can be done to upgrade a device [7] or to change the provider of a service associated with the function of the device, such as changing from one mobile phone service provider to another or installing a new operating system. If firmware is upgradable, it is often done via a program from the provider, and will often allow the old firmware to ...
On 30 March 2016, JEDEC published version 1.0 of the UFS Card Extension Standard (JESD220-2), which offered many of the features and much of the same functionality as the existing UFS 2.0 embedded device standard, but with additions and modifications for removable cards.
Some operating systems, such as Linux may provide a generic driver for accessing an RPMB device attached to an eMMC. [4] However, in other cases the access to RPMB is controlled through a proprietary driver; this may require use of a Trusted Application instead of a normal application to access the data. [ 3 ]
In applications that require sustained write throughput, such as video recording, the device might not perform satisfactorily if the SD card's class rating falls below a particular speed. For example, a high-definition camcorder may require a card of not less than Class 6, suffering dropouts or corrupted video if a slower card is used.
With MMC/SD/eMMC, it can be loaded directly from card sectors (called RAW mode in the manual) or from a FAT12/16/32 partition. It can also be loaded from USB or UART. On the OMAP36xx system on a chip, the boot ROM looks for the first stage bootloader at the sectors 0x0 and 0x20000 (128KB), [ 11 ] and on the AM3358 system on a chip , [ 12 ] it ...