Features: Includes STMicroelectronics' most advanced patented technologies. 32-bit Arm Cortex-M7 core with double-precision FPU and L1 cache: 16KB data cache and 16KB instruction cache; frequency up to 480MHz, with MPU, 1027 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1) and DSP instructions. Up to 2MB of flash memory, supporting read and write operations. Up to 1MB of RAM: 192KB of TCM RAM (including 64KB of ITCM RAM + 128KB of DTCM RAM for time-critical programs), up to 864KB of user SRAM, and SRAM in the 4KB backup domain. Dual-mode Quad-SPI memory interface, operating at speeds up to 133MHz. Flexible external memory controller with up to a 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND flash, with clock frequency up to 100MHz in synchronous mode. CRC calculation unit. ROP, PC-ROP, active tamper protection.