Table of Contents

Read out eMMC device life time


The eMMC provides an estimated indication about the device life time that is reflected by the averaged wear out of memory relative to its maximum estimated device life time.

Please Note:
The following instructions have been tested on the

  • TQMa6x BSP REV.113
  • TQMa8Xx BSP REV.001
  • TQMa6ULx BSP REV.106
  • TQMLS102xA BSP REV.109


eMMC Life Time Estimation A
eMMC Life Time Estimation B
eMMC Pre EOL information

Example


Device life time estimation value for type A and type B
Value Description
0x00 Not definded
0x01 0% - 10% device life time used
0x02 10% - 20% device life time used
0x03 20% - 30% device life time used
0x04 30% - 40% device life time used
0x05 40% - 50% device life time used
0x06 50% - 60% device life time used
0x07 60% - 70% device life time used
0x08 70% - 80% device life time used
0x09 80% - 90% device life time used
0x0A 90% - 100% device life time used
0x0B Exceeded its maximum estimated device life time
others Reserved


Pre EOL info value
Value Pre-EOL Info Description
0x00 Not Defined
0x01 Normal Normal
0x02 Warning Consumed 80% of reserved block
0x03 Urgent
0x04 ~ 0xFF Reserved