ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line
Datasheet
12,237In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE
Datasheet
2,186In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line
Datasheet
2,555In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM Cortex M3 32-Bit 1Mbyte Flash 72 MHz
Datasheet
5,307In Stock
Min.: 1
Mult.: 1

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 Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Perform ARM Cortex-M3 MCU
Datasheet
1,416In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

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, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
3,265In 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
2,836In Stock
3,240Expected 6/14/2027
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 32-Bit ARM Cortex M3 CAM 10224 kB
Datasheet
1,351In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-176 ARM Cortex M3 32 bit 120 MHz 1 MB 128 kB 12 bit 140 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP
Datasheet
8,333In Stock
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M3 32 bit 32 MHz 32 kB 4 kB 12 bit 37 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp
Datasheet
3,839In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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 Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, LCD, USB
Datasheet
18,460In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 51 I/O 1.65 V 3.6 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU EMBEDDED_POWER
Datasheet
5,643In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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

Infineon Technologies ARM Microcontrollers - MCU 128Kb Flash 32KbSRAM PSoC
Datasheet
4,508In Stock
3,900Expected 10/8/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 32 bit 67 MHz 128 kB 32 kB 12 bit 48 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Datasheet
3,357In Stock
2,700Expected 11/5/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 32 bit 67 MHz 256 kB 64 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU PSoC5LP
Datasheet
820In Stock
180On Order
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 Ultra-low-power Cortex-M3 MCU 128 Kbytes of Flash , RTC, LCD, USB
Datasheet
185In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 83 I/O 1.65 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32B Cortex-M3 LCD 384Kb Flsh 32MHz CPU
Datasheet
190In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 83 I/O 1.8 V 3.6 V + 85 C Tray
Texas Instruments ARM Microcontrollers - MCU Stellaris Cortex-M3 10/100 MAC PHY CAN
Datasheet
104In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 50 MHz 256 kB 64 kB No ADC 46 I/O 2.25 V 2.75 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFP, Grn, IT, MRL B
Datasheet
348In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-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
Microchip Technology ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3
Datasheet
349In 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
Microchip Technology ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A
Datasheet
160In 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 LQFP144,GREEN IND TEMP, MRLA
Datasheet
1,151In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 84 MHz 512 kB 96 kB 12 bit 103 I/O 1.62 V 1.95 V + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
1,429In Stock
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-64 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 56 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
549In Stock
Min.: 1
Mult.: 1
: 1,000

SMD/SMT TQFP-64 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 53 I/O 1.98 V 3.8 V + 85 C Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
395In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 53 I/O 1.98 V 3.8 V + 85 C Tray