According to JEDEC eMMC and experience, it is painstakingly organized, original protection, and reprinting is prohibited.
Column " Yuan takes you to learn: eMMC protocol "
abstract
The full text is 5000 words, the main content
Why does eMMC introduce Context?
What is Context?
How to use Context context?
How to configure Context context?
Context ID application limitations
System layer and chipset support for Context ID
Application layer software Context design
1. Introduction to eMMC Context
Why does eMMC introduce Context?
Compared with traditional flash memory cards, eMMC usually has faster read and write speeds and larger storage capacity. However, eMMC also has some disadvantages due to the limitations of its internal flash memory characteristics. One of them is that they are generally not very good at distinguishing between large sequential reads and writes or small random reads and writes. To solve this problem, eMMC can associate a context with a set of read or write commands.
What information does Context contain?
This context can include information specific to the application or task, such as reading