ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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Core
Program Memory Size
Data Bus Width
ADC Resolution
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Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb
Datasheet
6,059In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 768 kB 32 bit 12 bit 72 MHz 112 I/O 80 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
6,878In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU EMBEDDED_POWER
Datasheet
6,643In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT TQFP-48 ARM Cortex M3 128 kB 32 bit 10 bit 40 MHz 10 I/O 6 kB 5.5 V 27 V - 40 C + 175 C Reel, Cut Tape, MouseReel
NXP Semiconductors ARM Microcontrollers - MCU CORTEX-M3 128 KB FL 32 KB SRAM USB 2.0
Datasheet
2,455In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT LQFP-80 ARM Cortex M3 128 kB 32 bit 12 bit 100 MHz 52 I/O 32 kB 3.3 V 3.3 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES
Datasheet
944In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-112 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 86 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
685In Stock
1,000Expected 06/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT QFN-24 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 17 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower
Datasheet
10,686In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 37 I/O 16 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 128k Flash, 16k RAM, AES
Datasheet
1,807In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 24 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES
Datasheet
1,162In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-120 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 93 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x34 LCD, AES
Datasheet
611In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 81 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Infineon Technologies 32-bit Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ, 64K
Datasheet
748In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 64 kB 32 bit 12 bit 67 MHz 72 I/O 16 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Infineon Technologies 32-bit Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus
Datasheet
1,115In 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
Microchip Technology ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A
Datasheet
396In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 84 MHz 63 I/O 64 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU QFP144,GREEN IND TEMP, MRL A
Datasheet
1,309In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 256 kB 32 bit 12 bit 84 MHz 103 I/O 64 kB 1.62 V 1.95 V - 40 C + 85 C Tray

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

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 Reel, Cut Tape
Infineon Technologies 32-bit Microcontrollers - MCU PSOC 5LP DIGITAL ONLY,67MHZ,256K
Datasheet
443In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 72 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Infineon Technologies 32-bit Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus
Datasheet
929In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 72 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES
Datasheet
1,673In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT QFN-64 ARM Cortex M3 512 kB 32 bit 12 bit 48 MHz 52 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
440In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 83 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Infineon Technologies 32-bit Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K
Datasheet
125In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 72 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3
Datasheet
1,030In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 96 MHz 57 I/O 36 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Analog Devices ARM Microcontrollers - MCU Cortex M3 +24K/256K +Single 24bit SD AFE
Datasheet
302In Stock
Min.: 1
Mult.: 1

SMD/SMT LFCSP-48 ARM Cortex M3 256 kB 32 bit 24 bit 16 MHz 19 I/O 24 kB 1.8 V 3.6 V - 40 C + 125 C Tray

Infineon Technologies 32-bit Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
Datasheet
169In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES
Datasheet
1,813In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT QFN-64 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 52 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel