ARM Cortex M3 Core Microcontrollers - MCU

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Data Bus Width
Maximum Clock Frequency
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Data RAM Size
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Supply Voltage - Max
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NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
8,261In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-208 ARM Cortex M3 32 bit 120 MHz 512 kB 96 kB 12 bit 165 I/O 3.3 V 3.3 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash
Datasheet
9,443In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

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 Reel, Cut Tape, MouseReel
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 32 bit 72 MHz 768 kB 80 kB 12 bit 112 I/O 2 V 3.6 V + 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 32 bit 72 MHz 256 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 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 32 bit 40 MHz 128 kB 6 kB 10 bit 10 I/O 5.5 V 27 V + 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 32 bit 100 MHz 128 kB 32 kB 12 bit 52 I/O 3.3 V 3.3 V + 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 32 bit 48 MHz 1.02 MB 128 kB 12 bit 86 I/O 1.98 V 3.8 V + 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 bit 32 MHz 32 kB 4 kB 12 bit 17 I/O 1.98 V 3.8 V + 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 32 bit 32 MHz 128 kB 16 kB 12 bit 37 I/O 1.8 V 3.6 V + 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 32 bit 16 MHz 128 kB 16 kB 24 bit 19 I/O 1.8 V 3.6 V + 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 32 bit 32 MHz 128 kB 16 kB 12 bit 24 I/O 1.98 V 3.8 V + 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 32 bit 48 MHz 1.02 MB 128 kB 12 bit 93 I/O 1.98 V 3.8 V + 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 32 bit 48 MHz 1.02 MB 128 kB 12 bit 81 I/O 1.98 V 3.8 V + 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 32 bit 67 MHz 64 kB 16 kB 12 bit 72 I/O 1.71 V 1.89 V + 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 32 bit 67 MHz 128 kB 32 kB 12 bit 62 I/O 1.71 V 1.89 V + 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 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 QFP144,GREEN IND TEMP, MRL A
Datasheet
1,309In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 84 MHz 256 kB 64 kB 12 bit 103 I/O 1.62 V 1.95 V + 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 32 bit 48 MHz 128 kB 32 kB 12 bit 56 I/O 1.98 V 3.8 V + 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 32 bit 67 MHz 256 kB 64 kB 12 bit 72 I/O 1.71 V 1.89 V + 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 32 bit 67 MHz 256 kB 64 kB 12 bit 72 I/O 1.71 V 1.89 V + 85 C Tray
Texas Instruments RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex-M3 multipr A 595-CC2650F128RHBR
Datasheet
459In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

SMD/SMT VQFN-32 ARM Cortex M3 + 85 C Reel, Cut Tape, MouseReel

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 32 bit 48 MHz 512 kB 128 kB 12 bit 52 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
440In 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
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 32 bit 67 MHz 256 kB 64 kB 12 bit 72 I/O 1.71 V 1.89 V + 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 32 bit 96 MHz 128 kB 36 kB 12 bit 57 I/O 1.62 V 1.95 V + 85 C Tray