ARM Cortex M3 Core ARM Microcontrollers - MCU

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Program Memory Size
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Supply Voltage - Max
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Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU
Datasheet
1,186In Stock
Min.: 1
Mult.: 1

EFM32JG12 SMD/SMT QFN-48 ARM Cortex M3 1.02 MB 32 bit 12 bit 40 MHz 33 I/O 256 kB 1.8 V 3.8 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower
Datasheet
10,533In Stock
Min.: 1
Mult.: 1

STM32L151CB 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
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
425In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 53 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU BGA100,GREEN IND TEMP, MRLA
Datasheet
256In Stock
Min.: 1
Mult.: 1

SAM3X SMD/SMT LFBGA-100 ARM Cortex M3 512 kB 32 bit 12 bit 84 MHz 63 I/O 96 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU BGA144,GREEN IND TEMP, MRLA
Datasheet
889In Stock
Min.: 1
Mult.: 1

SAM3X SMD/SMT LFBGA-144 ARM Cortex M3 512 kB 32 bit 12 bit 84 MHz 103 I/O 96 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES
Datasheet
2,100In Stock
Min.: 1
Mult.: 1
: 1,000

EFM32GG SMD/SMT LQFP-100 ARM Cortex M3 512 kB 32 bit 12 bit 48 MHz 81 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES
Datasheet
1,162In Stock
Min.: 1
Mult.: 1

EFM32GG 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
1,202In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

EFM32GG 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 Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A
Datasheet
344In Stock
Min.: 1
Mult.: 1

SAM3A 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 LQFP,Green,IND TEMP,MRL B
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

SAM3S SMD/SMT QFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 64 MHz 47 I/O 16 kB 1.62 V 1.9 V - 40 C + 85 C Tray

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

EFM32LG 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
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
380In Stock
Min.: 1
Mult.: 1

EFM32LG 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
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line
Datasheet
2,263In Stock
3,000Expected 03/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

STM32F103RC SMD/SMT WLCSP-64 ARM Cortex M3 256 kB 32 bit 12 bit 72 MHz 51 I/O 48 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE 32KB
Datasheet
908In Stock
Min.: 1
Mult.: 1

STM32F103C4 SMD/SMT LQFP-48 ARM Cortex M3 16 kB 32 bit 12 bit 72 MHz 37 I/O 6 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE
Datasheet
1,667In Stock
Min.: 1
Mult.: 1

STM32F103R6 SMD/SMT LQFP-64 ARM Cortex M3 32 kB 32 bit 12 bit 72 MHz 51 I/O 10 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
Datasheet
634In Stock
Min.: 1
Mult.: 1

STM32F103R8 SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 72 MHz 51 I/O 20 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 260 to 512 USB/CAN
Datasheet
1,930In Stock
Min.: 1
Mult.: 1

STM32F103VD SMD/SMT LQFP-100 ARM Cortex M3 384 kB 32 bit 12 bit 72 MHz 80 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 262 to 512 USB/CAN
Datasheet
298In Stock
Min.: 1
Mult.: 1

STM32F103ZD SMD/SMT LQFP-144 ARM Cortex M3 384 kB 32 bit 12 bit 72 MHz 112 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
1,169In Stock
Min.: 1
Mult.: 1

STM32F217IE SMD/SMT LQFP-176 ARM Cortex M3 512 kB 32 bit 12 bit 120 MHz 140 I/O 128 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
2,980In Stock
Min.: 1
Mult.: 1

STM32L151CB-A SMD/SMT UFQPFN-48 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
STMicroelectronics ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU
Datasheet
184In Stock
Min.: 1
Mult.: 1

STM32L152ZD SMD/SMT LQFP-144 ARM Cortex M3 384 kB 32 bit 12 bit 32 MHz 115 I/O 48 kB 1.65 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

EFM32TG 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
: 1,000

EFM32TG 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
NXP Semiconductors ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, no CAN, LQFP100 package
Datasheet
618In Stock
Min.: 1
Mult.: 1
: 1,000

LPC1700 SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 100 MHz 70 I/O 64 kB 2.4 V 3.6 V - 40 C + 85 C Reel, Cut Tape
NXP Semiconductors ARM Microcontrollers - MCU CORTEX-M3 512KB FL 96KB SRAM 4KB EE USB
Datasheet
375In Stock
Min.: 1
Mult.: 1

LPC1700 SMD/SMT TFBGA-180 ARM Cortex M3 512 kB 32 bit 12 bit 120 MHz 141 I/O 96 kB 2.4 V 3.6 V - 40 C + 85 C Tray