ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
Change category view
Results: 1,388
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS 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
Qualification
Packaging
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto
Datasheet
960In Stock
1,000Expected 03/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 72 MHz 112 I/O 96 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity
Datasheet
1,947In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT WLCSP-64 ARM Cortex M3 1 MB 32 bit 120 MHz 128 kB 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
623In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 512 kB 32 bit 12 bit 120 MHz 82 I/O 128 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU
Datasheet
568In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 384 kB 32 bit 12 bit 32 MHz 51 I/O 48 kB 1.65 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
4,715In Stock
Min.: 1
Mult.: 1

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
Infineon Technologies 32-bit Microcontrollers - MCU MM-LEGACY MM
Datasheet
2,120In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 35 I/O 32 kB 2.7 V 5.5 V - 40 C + 105 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP, Grn, IT, MRL B
Datasheet
124In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 10 bit 48 MHz 47 I/O 4 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP, Grn, IT, MRL a
Datasheet
30In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 kB 32 bit 10 bit 48 MHz 47 I/O 8 kB 1.8 V 3.6 V - 40 C + 85 C Tray
Analog Devices ARM Microcontrollers - MCU Cortex M3 +16K/128K +Single 24bit SD AFE
Datasheet
117In Stock
Min.: 1
Mult.: 1

SMD/SMT LFCSP-48 ARM Cortex M3 128 kB 32 bit 24 bit 16 MHz 19 I/O 16 kB 1.8 V 3.6 V - 40 C + 125 C Tray
Silicon Labs ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES
Datasheet
1,069In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 ARM Cortex M3 64 kB 32 bit 12 bit 32 MHz 37 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
1,131In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 56 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
636In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 56 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU
Datasheet
1,818In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M3 256 kB 32 bit 12 bit 40 MHz 20 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp
Datasheet
693In Stock
Min.: 1
Mult.: 1

SMD/SMT TFBGA-100 ARM Cortex M3 256 kB 32 bit 12 bit 64 MHz 79 I/O 48 kB 1.62 V 1.9 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x40 LCD, AES
Datasheet
397In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 86 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB
Datasheet
1,864In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 128 kB 32 bit 12 bit 48 MHz 56 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
1,180In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 85 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU BGA, Grn, IT, MRL A
Datasheet
447In Stock
Min.: 1
Mult.: 1

SMD/SMT TFBGA-100 ARM Cortex M3 32 kB 32 bit 10 bit 48 MHz 79 I/O 4 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL B
Datasheet
326In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 ARM Cortex M3 64 kB 32 bit 12 bit 64 MHz 34 I/O 16 kB 1.62 V 1.9 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B
Datasheet
267In Stock
Min.: 1
Mult.: 1

SMD/SMT TFBGA-100 ARM Cortex M3 64 kB 32 bit 12 bit 96 MHz 57 I/O 20 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Analog Devices ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC
Datasheet
38In Stock
Min.: 1
Mult.: 1

SMD/SMT LFCSP-64 ARM Cortex M3 256 kB 32 bit 12 bit 26 MHz 44 I/O 64 kB 1.74 V 3.6 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
3,973In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 37 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
1,900In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT QFP-48 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 37 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Infineon Technologies 32-bit Microcontrollers - MCU PSOC5LP
Datasheet
293In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 67 MHz 62 I/O 32 kB 1.71 V 1.89 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32B ARM Cortex-M3 256Kb Flsh 32MHz CPU
Datasheet
1,511In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 32 MHz 83 I/O 32 kB 1.65 V 3.6 V - 40 C + 85 C Tray