The　STM32MP151A/D　devices　are　based　on　the　high-performance　Arm®　Cortex®-A7　32-bit RISC　core　operating　at up　to　800　MHz.　The　Cortex-A7　processor includes　a　32-Kbyte　L1 instruction cache, a 32-Kbyte L1　data cache and a 256-Kbyte　level2　cache.　The　Cortex-A7 processor is　a　very　energy-efficient　application processor　designed　to　provide　rich performance in high-end　wearables, and　other　low-power　embedded　and　consumer applications.　It　provides　up　to　20%　more　single　thread　performance　than　the　Cortex-A5　and provides similar performance than　the　Cortex-A9.