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 (EUR) Filter the results in the table by unit price based on your quantity.
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STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 512kb
Datasheet
735In Stock
MouseReel Available
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
196In 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
62In Stock
MouseReel Available
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
110In Stock
540Expected 25/03/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 128 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
42In Stock
960Expected 30/03/2026
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
122In 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
76In Stock
MouseReel Available
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
62In 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
112In 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
69In 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
558In 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
67In 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
64In 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
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
68In Stock
960Expected 17/04/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 512 kB 128 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
65In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 512 kB 128 kB 12 bit 114 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
279In Stock
4.500On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 4 x 6 bit/8 bit/10 bit/12 bit 37 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
143In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 4 x 6 bit/8 bit/10 bit/12 bit 87 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 32 Kbytes of Flash 7
Datasheet
325In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 72 MHz 32 kB 12 kB 2 x 6 bit/8 bit/10 bit/12 bit 51 I/O 2 V 3.6 V + 85 C
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 KBytes of Flash
Datasheet
145In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

SMD/SMT LQFP-64 ARM Cortex M4 32 bit 72 MHz 256 kB 32 kB 12 bit, 3 x 16 bit 80 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 128 KBytes of Flash
Datasheet
128In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 72 MHz 128 kB 24 kB 12 bit, 3 x 16 bit 129 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Analog & DSP w/ FPU M4 256kB 72MHz
Datasheet
1.964In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4 32 bit 72 MHz 256 kB 32 kB 12 bit 36 I/O 1.65 V 1.95 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU
Datasheet
403In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 32 bit 84 MHz 128 kB 64 kB 12 bit 81 I/O 1.7 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Hi-performance DSP FPU ARM CortexM4 MCU
Datasheet
10In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

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 Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 1 Mbyte of Flash
Datasheet
59In Stock
360Expected 03/07/2026
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 + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM M4 512 FLASH 168 Mhz 192kB SRAM
Datasheet
182In 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