ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
12,930In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-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
Microchip Technology ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp
Datasheet
2,885In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 ARM Cortex M3 32 bit 64 MHz 256 kB 48 kB 12 bit 34 I/O 1.62 V 1.9 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH
Datasheet
2,235In Stock
900Expected 6/10/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 32 bit 67 MHz 256 kB 64 kB 12 bit 72 I/O 1.71 V 1.89 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
Datasheet
8,077In Stock
Min.: 1
Mult.: 1

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 + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
20,841In Stock
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 + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
16,242In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 1 Mb
Datasheet
3,973In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 1 MB 128 kB 12 bit 51 I/O 1.8 V 3.6 V + 105 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

SMD/SMT UFQPFN-48 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 37 I/O 1.65 V 3.6 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
Datasheet
11,214In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash
Datasheet
3,772In 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 Cortex M3 128K 20KB RAM 2X12 ADC
Datasheet
5,581In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 100 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin
Datasheet
12,575In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 256 kB 48 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
Texas Instruments RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex -M3 Bluet A 595-CC2640R2FRGZT
Datasheet
4,754In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT VQFN-48 ARM Cortex M3 32 bit 48 MHz 128 kB 20 kB 12 bit 31 I/O 1.8 V 3.8 V + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU
Datasheet
1,259In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M3 32 bit 40 MHz 256 kB 32 kB 12 bit 32 I/O 1.85 V 3.8 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A
Datasheet
334In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 84 MHz 256 kB 64 kB 12 bit 63 I/O 1.62 V 1.95 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL B
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFP-64 ARM Cortex M3 32 bit 64 MHz 64 kB 16 kB 12 bit 47 I/O 1.62 V 1.9 V + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
2,650In Stock
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-64 ARM Cortex M3 32 bit 48 MHz 128 kB 32 kB 12 bit 56 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape

Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
1,185In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-24 ARM Cortex M3 32 bit 32 MHz 32 kB 4 kB 12 bit 17 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
5,787In Stock
Min.: 1
Mult.: 1
: 1,000

SMD/SMT TQFP-64 ARM Cortex M3 32 bit 48 MHz 256 kB 32 kB 12 bit 53 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape
Microchip Technology ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B
Datasheet
261In Stock
Min.: 1
Mult.: 1

SMD/SMT TFBGA-100 ARM Cortex M3 32 bit 96 MHz 64 kB 20 kB 12 bit 57 I/O 1.62 V 1.95 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES
Datasheet
890In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 48 MHz 512 kB 128 kB 12 bit 85 I/O 1.98 V 3.8 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
Datasheet
698In Stock
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 32 bit 80 MHz 64 kB 16 kB 12 bit 62 I/O 1.71 V 5.5 V + 85 C Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU
Datasheet
1,001In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M3 32 bit 40 MHz 1.02 MB 256 kB 12 bit 33 I/O 1.8 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
380In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 48 MHz 256 kB 32 kB 12 bit 83 I/O 1.98 V 3.8 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower
Datasheet
10,299In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 37 I/O 1.8 V 3.6 V + 85 C Tray