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STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today´s convergence trends.

Processor Families

Ultra low power MCUs

ST's ultra-low-power MCU platform is based on a proprietary ultra-low-leakage technology. more

STM8 8-bit MCUs

ST's 8-bit microcontroller platform is implemented around a high-performance 8-bit core and a state-of-the-art set of peripherals. more

STM32 32-bit ARM Cortex MCUs

STM32 is a family of 32-bit microcontroller integrated circuits by STMicroelectronics. more

Legacy MCUs

ST is a committed, long-term partner for microcontroller solutions with the well-established microcontrollers based on the ST7, ST6, ST10, ARM7 and ARM9 cores. more


STMicroelectronics has introduced its first ultra-low-power family based on the8-bit STM8 core. Paving the way for a future complete ultra-low-power platform,the STM8L family combines high performance and ultra-low power consumptionthanks to a new proprietary ultra-low-leakage process and optimizedarchitecture. more


STMicroelectronics’ STM8S family of general-purpose 8-bit Flash microcontrollers offers ideal solutions for industrial and appliance market requirements. An advanced core version combined with a 3-stage pipeline ranks the STM8Smicrocontroller in the top position for performance versus cost. more

STM32 (CORTEX M3) - 32-bit Microcontrollers

The STM32 family of 32-bit Flash Microcontrollers isbased on the breakthrough ARM Cortex™-M3 core - a core specifically developed for embedded applications.
TheSTM32 family benefits from the Cortex-M3 architectural enhancementsincluding the Thumb-2 instruction set to deliver improved performancewith better code density, significantly faster response to interrupts,all combined with industry leading power consumption. more

BLDC and 3-phase Induction Motor Control 8-bit ST7 MCx MCUs

  • Dedicated motor control peripheral
  • Highly flexible Back EMF (BEMF) zero-crossing detector
  • Very low system cost, few external components
  • 70% of CPU available for non-motor control tasks

EMC-critical, Appliance and Industrial 8-bit ST7 36x Series

  • 40 year data retention at 85dgC Flash
  • 2 Independent LINSCI ™
  • 5 power saving modes with auto wake-up from Halt
  • 32 to 64 pins, up to 60K Flash

Medium to large memory 8-bit ST7 32x Series

  • 4K to 60K high-density Flash or ROM versions
  • Meets the most stringent automotive and industrial standards
  • SPI, SCI (UART), CAN and I²C
  • 10-bit ADC with 8 to 16 inputs, 7.5µs conversion time
  • 32-pin 7x7 up to 80-pin 14x14
Group lineup: ST72321B, ST72324B, ST72325

Variety of communications in 28/32 pins ST7 26x Series

  • Ideal for consumer applications     
  • I²C, UART or SPI
  • Tiny BGA available  
  • 2.7V to 5.5V 
  • Configurable low-voltage detector
  • Fast A/D converter

Low pin count 8-bit ST7 LITE Series

  • On-chip functions make applications easier to design  
  • Data EEPROM
  • Ultra small 8-pin DFN to 20-pin devices       
  • Highly-accurate internal RC oscillator
  • Fast A/D converter      
  • Trimmable internal low-voltage detector

STR9: ARM966E powered MCUs

  • 96 MIPS peak with single-cycle DSP instructions        
  • 10/100 Ethernet MAC
  • Embedded Flash to 512Mbyte, SRAM to 96Kbyte       
  • 5-stage pipeline and independent internet 32-bit buses
  • Multiple low power modes                                       
  • Low power (< 1µA) real-time clock
  • Peripherals include USB, CAN, SPI, I²C, UART/IrDA, many timers,10-bit ADC

Nomadik Applications Processors

STMicroelectronics´ Nomadik® family of multimedia application processor chips enable portable terminals to play music, take pictures, record video and host two-way visual communications in real time. more

STR7: ARM7 powered Flash MCUs

  • High-endurance embedded Flash to 256KB, SRAM to 64K       
  • Industrial temperature range of -40°C to + 85 °C, and to +105°C on STR730F
  • Flexible power and clock management       
  • Choice of 3.3V or 5.0V native devices(STR750F can use either 3.3V or 5V)
  • 5 low power modes               
  • Extensive peripherals include up to 3 CAN, USB, SPI, I2C, 4 UARTs, 20 timers
Group lineup: STA2059



Application notes and white papers
Application Note - AN2282 (pdf)
TCP/IP Over Ethernet Connectivity with the STR710
Application Note - AN2078 (pdf)
STR71x In-Application Programming using UART
Application Note - AN2284 (pdf)
Smart Card Interface with the STR71xx
Application Note - AN2287 (pdf)
How to Connect a Small Page NAND Flash Memory to STR710