June 2017
Intermediate to advanced
478 pages
13h 14m
English
The burden of supporting flash memory in the operating system, NAND in particular, becomes less if there is a well-defined hardware interface and a standard flash controller that hides the complexities of the memory. This is managed flash memory, and it is becoming more and more common. In essence, it means combining one or more flash chips with a microcontroller that offers an ideal storage device with a small sector size that is compatible with conventional filesystems. The most important types of chips for embedded systems are Secure Digital (SD) cards and the embedded variant known as eMMC.
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