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STM32H503xx
Arm® Cortex®-M33 32-bit MCU+FPU, 375 DMIPS, 250 MHz, 128 Kbytes flash memory, 32 Kbytes RAM, I3C
Datasheet - 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 (available in the
lowest power modes)
Clock, reset, and supply management
• 1.71 V to 3.