ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM
Datasheet
5In Stock
5,880Expected 1/19/2027
Min.: 1
Mult.: 1

SMD/SMT VFQFPN-36 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 26 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m
Datasheet
33In Stock
6,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT VFQFPN-36 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 26 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC
Datasheet
26In Stock
540Expected 1/27/2027
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 XL-Density Access Line 32-Bit 768 Kb
Datasheet
90In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 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 32-Bit ARM Cortex XL Density 768kb PL
Datasheet
17In Stock
2,000Expected 1/11/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 768 kB 96 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto
Datasheet
152In Stock
1,000Expected 5/10/2027
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 1 MB 96 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Reel, Cut Tape
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE
Datasheet
26In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Access MCU 144-Pin 256kB Flash
Datasheet
13In Stock
360Expected 11/16/2026
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 Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m
Datasheet
69In Stock
500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 500

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 Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE
Datasheet
17In Stock
4,680On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 High-density
Datasheet
17In Stock
500Expected 7/26/2027
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line
Datasheet
13In Stock
960On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 51 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
7In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 64 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
17In Stock
1,080Expected 5/10/2027
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 High-performance Arm Cortex-M3 MCU 128 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
15In Stock
1,000Expected 9/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 128 kB 64 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Connectivity
Datasheet
23In Stock
12,480On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 128 kB 64 kB 12 bit 51 I/O 1.8 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Datasheet
12In Stock
960Expected 11/26/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 256 kB 96 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 256 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
23In Stock
3,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 51 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
43In 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 32BIT ARM Cortex M3 Connectivity 256kB
Datasheet
119In Stock
540On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 256 kB 96 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
Datasheet
72In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
61In 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 32BIT ARM Cortex M3 Connectivity 1024kB
Datasheet
15In Stock
1,620On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 1 MB 132 kB 12 bit 82 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity
Datasheet
5In 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 High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
6In 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