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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STMicroelectronics ARM Microcontrollers - MCU Entry Level ARM M0 16 Kbytes 48 MHz
Datasheet
184May Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 ARM Cortex M0 32 bit 48 MHz 32 kB 4 kB 12 bit 15 I/O 2 V 3.6 V + 85 C Tube
STMicroelectronics ARM Microcontrollers - MCU Entry-level ARM Cortex-M0 MCU 32Kb
Datasheet
372May Stock
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-32 ARM Cortex M0 32 bit 48 MHz 32 kB 4 kB 12 bit 27 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 64PINS 32KB
Datasheet
424May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash
Datasheet
144May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 24 MHz 384 kB 32 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU MED-DENSTY ACCESS LN ARM-BASED 32-BIT MCU
Datasheet
2,500May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT UFQFPN-48 ARM Cortex M3 32 bit 36 MHz 64 kB 10 kB 12 bit 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line 16KB
Datasheet
324May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 36 MHz 16 kB 4 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line
Datasheet
167May Stock
960Inaasahan 2/26/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 36 MHz 512 kB 48 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Tray

STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line
Datasheet
10May Stock
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-36 ARM Cortex M3 32 bit 36 MHz 32 kB 6 kB 12 bit 26 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash
Datasheet
41May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 36 MHz 1 MB 80 kB 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Access Line MCU
Datasheet
1,382May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,400

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 48 MHz 32 kB 6 kB 12 bit 37 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
Datasheet
270May Stock
4,800Inaasahan 3/4/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,400

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 37 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel

STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 64kb PL
Datasheet
18May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT UFQFPN-36 ARM Cortex M3 32 bit 72 MHz 64 kB 20 kB 12 bit 26 I/O 2 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC
Datasheet
147May Stock
540Inaasahan 4/3/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 64 kB 20 kB 12 bit 100 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 512kb
Datasheet
735May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 2 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Access MCU 144-Pin 256kB Flash
Datasheet
196May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32F103 Perf Line M3 768kB 72 MHz MCU
Datasheet
62May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,500

SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 768 kB 96 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
42May Stock
960Inaasahan 3/30/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 128 kB 64 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
122May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 768 kB 128 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance ARM Cortex-M3 MCU
Datasheet
76May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

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 + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB
Datasheet
62May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 768 kB 128 kB 12 bit 82 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
112May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 114 I/O 1.8 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
58May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 ARM Cortex M3 32 bit 120 MHz 512 kB 128 kB 12 bit 140 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 768kb Connectivity
Datasheet
558May Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-176 ARM Cortex M3 32 bit 120 MHz 768 kB 128 kB 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB
Datasheet
67May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 ARM Cortex M3 32 bit 120 MHz 768 kB 128 kB 12 bit 140 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Datasheet
64May Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 114 I/O 1.8 V 3.6 V + 85 C Tray