STM32C5 Arm Cortex-M33 MCU

STMicroelectronics MCUs set performance standards for cost-sensitive devices in mainstream embedded applications while ensuring design simplicity for developers

Image of STMicro STM32C5 Arm® Cortex®-M33 MCUThe STMicroelectronics STM32C59x/5A3 series provides up to 1 MB of Flash memory, 256 KB of RAM, an Ethernet interface, octo‑SPI support, and as many as two FDCAN peripherals. It includes hardware security features such as SAES, SPKA, and HUK, and is available in package options ranging from 32 pins to 144 pins. Prototyping is straightforward with the NUCLEO‑C5A3ZG board and the STM32Cube development ecosystem.

Features
  • Built on an Arm® Cortex®-M33 core running at 144 MHz with FPU, featuring standardized DSP instructions
  • 3x the performance of a typical Cortex-M0+ product on the market
  • Higher RAM/Flash ratio than typical entry-level products
  • Dedicated Flash area for E²PROM software emulation
  • RRP starting at 0.64 cts 10 ku
  • Reduced BOM cost
  • Exceptional value/price compared to typical M0+-based MCUs
  • First STM32 MCU to leverage the evolution of the STM32Cube ecosystem, always for free
  • Low dynamic consumption with < 80 μA/MHz
  • 1% calibrated RCI oscillator at a temperature of -20°C to +105°C
  • Full performance at full temperature range
  • Wide packages offer from 32 pins to 144 pins starting at 3 mm x 3 mm
  • Up to three ADCs, two COMPs, a high analog content, and one OPAMP
  • Ethernet 10/100, 2 FDCAN, USB, and OCTOSPI
  • Secure PKA, SHA, HUK, SCA, and SESIP3 & PSA Certified Level 3 target certifications
  • Flexible DMA
Applications
  • Industrial and factory automation
  • Smart homes
  • Entertainment

STM32C5 Arm Cortex-M33 MCUs

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C542CCT6MAINSTREAM ARM CORTEX-M33 MCU WI196 - Immediate$363.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C542RCT6MAINSTREAM ARM CORTEX-M33 MCU WI190 - Immediate$385.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C552CEU6MAINSTREAM ARM CORTEX-M33 MCU WI190 - Immediate$388.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C551VET6MAINSTREAM ARM CORTEX-M33 MCU WI27 - Immediate$460.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C552RET6MAINSTREAM ARM CORTEX-M33 MCU WI134 - Immediate$411.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C552VET6MAINSTREAM ARM CORTEX-M33 MCU WI345 - Immediate$473.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C562CEU6MAINSTREAM ARM CORTEX-M33 MCU WI140 - Immediate$421.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C562RET6MAINSTREAM ARM CORTEX-M33 MCU WI121 - Immediate$442.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU WI
STM32C562VET6MAINSTREAM ARM CORTEX-M33 MCU WI145 - Immediate$504.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU, 1
STM32C562MET6MAINSTREAM ARM CORTEX-M33 MCU, 10 - Immediate$480.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU, 1
STM32C562KEU6MAINSTREAM ARM CORTEX-M33 MCU, 1100 - Immediate$408.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU, 1
STM32C552MET6MAINSTREAM ARM CORTEX-M33 MCU, 10 - Immediate$448.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU, 1
STM32C552KEU6MAINSTREAM ARM CORTEX-M33 MCU, 1150 - Immediate$376.00View Details
New Product
MAINSTREAM ARM CORTEX-M33 MCU, 1
STM32C551KEU6MAINSTREAM ARM CORTEX-M33 MCU, 1100 - Immediate$363.00View Details
Published: 2026-03-04