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. 

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package/Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
STMicroelectronics ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 1 Mb
Datasheet
4,009In Stock
Min.: 1
Mult.: 1

STM32F205RG SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.8 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
71,872In Stock
Min.: 1
Mult.: 1

STM32F3 SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 4 x 6 bit/8 bit/10 bit/12 bit 72 MHz 52 I/O 40 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
5,637In Stock
Min.: 1
Mult.: 1

STM32F3 SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 4 x 6 bit/8 bit/10 bit/12 bit 72 MHz 87 I/O 40 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp
Datasheet
4,111In Stock
Min.: 1
Mult.: 1

STM32L151CC SMD/SMT UFQPFN-48 ARM Cortex M3 256 kB 32 bit 12 bit 32 MHz 37 I/O 32 kB 1.65 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M0 64 Kbytes 2.0 - 3.6V
Datasheet
20,442In Stock
Min.: 1
Mult.: 1

STM32F051R8 SMD/SMT LQFP-64 ARM Cortex M0 64 kB 32 bit 12 bit 48 MHz 55 I/O 8 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 64PINS 128KB
Datasheet
4,893In Stock
Min.: 1
Mult.: 1

STM32F100RB SMD/SMT LQFP-64 ARM Cortex M3 128 kB 32 bit 12 bit 24 MHz 51 I/O 8 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash
Datasheet
3,771In Stock
Min.: 1
Mult.: 1

STM32F100RC SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 24 MHz 51 I/O 24 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 7 TMRS 2 ADCS
Datasheet
22,384In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F103RB SMD/SMT LQFP-64 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 51 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 128K 20KB RAM 2X12 ADC
Datasheet
5,594In Stock
Min.: 1
Mult.: 1

STM32F103VB SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 100 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin
Datasheet
12,769In Stock
Min.: 1
Mult.: 1

STM32F103VC SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 80 I/O 48 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp
Datasheet
5,478In Stock
Min.: 1
Mult.: 1

STM32L151VE SMD/SMT LQFP-100 ARM Cortex M3 512 kB 32 bit 12 bit 32 MHz 83 I/O 80 kB 1.65 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Connectivity
Datasheet
15,225In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F105RB SMD/SMT LQFP-64 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB
Datasheet
2,546In Stock
Min.: 1
Mult.: 1

STM32F205RG SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
12,965In Stock
Min.: 1
Mult.: 1

STM32L151C6-A SMD/SMT LQFP-48 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 37 I/O 10 kB 1.65 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower
Datasheet
10,508In Stock
Min.: 1
Mult.: 1

STM32L151CB SMD/SMT ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 37 I/O 16 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 16 Kbytes of Flash 48 MHz CPU, USB, CAN &
Datasheet
2,362In Stock
Min.: 1
Mult.: 1

STM32F042K4 SMD/SMT UFQFPN-32 ARM Cortex M0 16 kB 32 bit 12 bit 48 MHz 26 I/O 6 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line
Datasheet
974In Stock
3,000Expected 06/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

STM32F103RC SMD/SMT WLCSP-64 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 51 I/O 48 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M3 MCU
Datasheet
464In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

STM32L151ZC LQFP-144 1.65 V 3.6 V Reel, Cut Tape, MouseReel

STMicroelectronics ARM Microcontrollers - MCU Entry Level ARM M0 16 Kbytes 48 MHz
Datasheet
1,953In Stock
Min.: 1
Mult.: 1

STM32F031F4 SMD/SMT TSSOP-20 ARM Cortex M0 16 kB 32 bit 12 bit 48 MHz 15 I/O 4 kB 2 V 3.6 V - 40 C + 85 C Tube
STMicroelectronics ARM Microcontrollers - MCU Entry-level ARM Cortex-M0 32 Kbytes
Datasheet
2,231In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

STM32F051K6 SMD/SMT 32 kB 12 bit 27 I/O 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu
Datasheet
691In Stock
Min.: 1
Mult.: 1

STM32F071RB SMD/SMT LQFP-64 ARM Cortex M0 128 kB 32 bit 12 bit 48 MHz 51 I/O 16 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 32KB
Datasheet
1,434In Stock
Min.: 1
Mult.: 1

STM32F100C6 SMD/SMT ARM Cortex M3 32 kB 32 bit 12 bit 24 MHz 37 I/O 4 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 32K Flash 4KB RAM
Datasheet
4,175In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,400

STM32F100C6 SMD/SMT ARM Cortex M3 32 kB 32 bit 12 bit 24 MHz 37 I/O 4 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash
Datasheet
1,816In Stock
Min.: 1
Mult.: 1

STM32F100RE SMD/SMT LQFP-64 ARM Cortex M3 512 kB 32 bit 12 bit 24 MHz 51 I/O 32 kB 2 V 3.6 V - 40 C + 85 C Tray

STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE 16KB
Datasheet
Product Comments
3,607In Stock
Min.: 1
Mult.: 1

STM32F103T4 SMD/SMT UFQFPN-36 ARM Cortex M3 16 kB 32 bit 12 bit 72 MHz 26 I/O 6 kB 2 V 3.6 V - 40 C + 85 C Tray