STM32 32-Bit Arm® Cortex®-M MCUs

STMicroelectronics STM32 32-Bit Arm® Cortex®-M MCUs are based on the Arm Cortex-M processor and designed to offer new degrees of freedom to MCU users. The MCUs offer a 32-bit product range that combines very high performance, real-time capabilities, digital signal processing, and low-power, low-voltage operation. This is achieved while maintaining full integration and ease of development. 

Types of Microcontrollers - MCU
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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
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STMicroelectronics ARM Microcontrollers - MCU 32B Cortex-M3 LCD 256Kb Flsh 32MHz CPU
Datasheet
2,486In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-100 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 83 I/O 1.65 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Cortex M0 16kB 48MHz Motor CTRL SRAM MCU
Datasheet
8,142In Stock
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-28 ARM Cortex M0 32 bit 48 MHz 16 kB 4 kB 12 bit 23 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu
Datasheet
1,533In Stock
Min.: 1
Mult.: 1

SMD/SMT UFBGA-100 ARM Cortex M0 32 bit 48 MHz 64 kB 16 kB 12 bit 87 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash
Datasheet
1,076In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT ARM Cortex M3 32 bit 24 MHz 128 kB 8 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb
Datasheet
360In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 36 MHz 768 kB 80 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D ACCESS LINE
Datasheet
1,440In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 48 MHz 16 kB 4 kB 12 bit 37 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU
Datasheet
854In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 48 MHz 64 kB 10 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE
Datasheet
589In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-100 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb
Datasheet
224In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 768 kB 96 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 512 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
513In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 512 kB 128 kB 12 bit 82 I/O 1.8 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity
Datasheet
532In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 1 MB 132 kB 1.8 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7
Datasheet
545In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 72 MHz 32 kB 16 kB 6 bit/8 bit/10 bit/12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32 Kbytes of Flash , 32 MHz
Datasheet
3,455In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M0+ 32 bit 32 MHz 32 kB 8 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C
Datasheet
1,072In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 128 kB 10 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
1,500In Stock
Min.: 1
Mult.: 1

SMD/SMT UFQPFN-48 ARM Cortex M3 32 bit 32 MHz 32 kB 10 kB 12 bit 37 I/O 1.65 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM Cortex M3 384kB Ultralow 10Ports USB
Datasheet
905In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 384 kB 48 kB 12 bit 51 I/O 1.65 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32B ARM Cortex-M4 1Mb Flash 168MHz CPU
Datasheet
951In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 168 MHz 1 MB 192 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32B ARM Cortex-M4 1Mb Flash 168MHz CPU
Datasheet
714In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M4 32 bit 168 MHz 1 MB 192 kB 12 bit 114 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow
Datasheet
449In Stock
Min.: 1
Mult.: 1

ARM Cortex M3 32 bit 1.65 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32L15 Low Power M3 256kB 32MHz MCU
Datasheet
523In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 83 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32B ARM Cortex-M4 1Mb Flash 168MHz CPU
Datasheet
234In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 168 MHz 1 MB 192 kB 12 bit 82 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM
Datasheet
367In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 24 MHz 256 kB 24 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB
Datasheet
92In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 768 kB 128 kB 12 bit 16 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM M4 1024 FLASH 168 Mhz 192kB SRAM
Datasheet
111In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 ARM Cortex M4 32 bit 168 MHz 512 kB 192 kB 12 bit 140 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers
Datasheet
370In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT ARM Cortex M3 32 bit 24 MHz 128 kB 4 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel