JEDEC published e.MMC standard update v5.1

JEDEC Solid State Technology Association announced the publication of JESD84-B51: Embedded MultiMediaCard (e.MMC), Electrical Standard (5.1). e.MMC v5.1 defines new features and updates for this embedded mass-storage flash memory that is widely used in smartphones and other mobile devices. Intended to facilitate an enhanced end user experience, the new version of e.MMC offers command queueing for the first time, and also defines important security updates. JESD84-B51 is available for free download from the JEDEC website: http://www.jedec.org/standards-documents/results/jesd84-b51. Command Queueing The new revision of the standard defines e.MMC Command Queueing, which supports the optimized execution of commands within the device, versus the single thread protocol defined in prior versions of the standard. Command Queueing will enable the device to analyze commands before executing them, thereby maximizing effectiveness of the e.MMC memory storage. This will result in a positive effect on random read performance and read latency, thereby improving the end user experience. Secure Write Protection & Enhanced Strobe Mode In response to requests from industry users for enhanced security, e.MMC Secure Write Protection defines a new security protocol that ensures only a trusted entity will be capable of protecting or unprotecting the device. Enhanced Strobe Mode for...