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

Clock management

• Internal oscillators: 64 MHz HSI,

48 MHz HSI48, 4 MHz CSI, 32 kHz LSI

• External oscillators: 4-50 MHz HSE,

32.768 kHz LSE

General-purpose inputs/outputs

• Up to 112 fast I/Os with interrupt capability

(most 5 V tolerant)

• Up to ten I/Os with independent supply down to

1.08 V

Low-power consumption

• Sleep, Stop, and Standby modes

• VBAT supply for RTC, 32 backup registers

(32-bit)

Security

• Arm® TrustZone® with Armv8-M mainline

security extension

• Up to eight configurable SAU regions

• TrustZone® aware and securable peripherals