Features

Includes ST state-of-the-art patented technology

Core

• Arm® Cortex®-M33 CPU with TrustZone®, FPU, frequency up to 250 MHz, MPU, 375 DMIPS (Dhrystone 2.1)

ART Accelerator

• 8-Kbyte instruction cache allowing 0-wait-state execution from flash and external memories

• 4-Kbyte data cache for external memories

Benchmarks

• 1.5 DMIPS/MHz (Drystone 2.1)

• 1023 CoreMark® (4.092 CoreMark®/MHz)

Memories

• Up to 512 Kbytes of embedded flash memory with ECC, two banks read-while-write

• Up to 48-Kbyte per bank with high-cycling capability (100 K cycles) for data flash

• 2-Kbyte OTP (one-time programmable)

• 272 Kbytes of SRAM (80-Kbyte SRAM2 with ECC)

• 2 Kbytes of backup SRAM available in the lowest power modes

• Flexible external memory controller with up to 16-bit data bus: SRAM, PSRAM, FRAM, NOR/NAND memories

• One Octo-SPI memory interface with support for serial PSRAM/NAND/NOR, hyper RAM/flash frame formats

• One SD/SDIO/MMC interface