Datasheet Summary
STM32H503xx
Arm® Cortex®-M33 32-bit MCU+FPU, 375 DMIPS, 250 MHz, 128 Kbytes flash memory, 32 Kbytes RAM, I3C
- production data
Features
Includes ST state-of-the-art patented technology
Core
- Arm® Cortex®-M33 CPU with FPU, frequency up to 250 MHz, MPU, 375 DMIPS (Dhrystone 2.1), and DSP instructions
ART Accelerator
- 8-Kbyte instruction cache allowing 0-wait-state execution from flash memory (frequency up to 250 MHz)
Benchmarks
- 1.5 DMIPS/MHz (Drystone 2.1)
- 1023 CoreMark® (4.092 CoreMark®/MHz)
Memories
- 128 Kbytes of embedded flash memory with ECC, two banks of read-while-write
- 2-Kbyte OTP (one-time programmable)
- 32-Kbyte SRAM with ECC
- 2 Kbytes of backup SRAM...