ARM Cortex M3 Core 32 bit ARM Microcontrollers - MCU

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Qty. RoHS ECAD Model Series
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Program Memory Size
Data Bus Width
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Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line
Datasheet
2,335In Stock
3,000Expected 2026-07-17
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
Microchip Technology ARM Microcontrollers - MCU LQFP, Green, IND TEMP, MRL A
Datasheet
456In Stock
Min.: 1
Mult.: 1

SAM3N SMD/SMT LQFP-64 ARM Cortex M3 16 kB 32 bit 10 bit 48 MHz 47 I/O 4 kB 1.8 V 3.6 V - 40 C + 85 C Tray
Analog Devices ARM Microcontrollers - MCU 16-bit, Low Power Sensor Micro
Datasheet
542In Stock
Min.: 1
Mult.: 1
: 1,000

ADuCM355 SMD/SMT LGA-72 ARM Cortex M3 128 kB 32 bit 16 bit 26 MHz 64 kB 2.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
440In 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
Infineon Technologies ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K
Datasheet
125In Stock
Min.: 1
Mult.: 1

CY8C56LPxxx 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 Tiny Gecko MCU IC
Datasheet
1,256In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

EFM32TG 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
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 7 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
Microchip Technology ARM Microcontrollers - MCU LQFPGREENIND TEMPMRL A
Datasheet
996In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SAM3S SMD/SMT LQFP-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 Reel, Cut Tape, MouseReel

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
Infineon Technologies ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus
Datasheet
929In Stock
Min.: 1
Mult.: 1

CY8C56LPxxx 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 1024k Flash, 128k RAM, USB, AES
Datasheet
1,813In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

EFM32GG 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
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES
Datasheet
944In Stock
Min.: 1
Mult.: 1

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 Tray

Infineon Technologies ARM Microcontrollers - MCU PSOC5LP PERFORM ANALOG,256K FLSH
Datasheet
230In Stock
Min.: 1
Mult.: 1

CY8C56LPxxx SMD/SMT QFN-68 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 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
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
1,193In 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
Analog Devices ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE
Datasheet
759In Stock
Min.: 1
Mult.: 1

ADUCM362 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

Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
1,609In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 56 I/O 16 kB 1.98 V 3.8 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 256KB
Datasheet
5,787In Stock
Min.: 1
Mult.: 1
: 1,000

EFM32LG SMD/SMT TQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 53 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
5,011In Stock
Min.: 1
Mult.: 1

EFM32TG 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 Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
1,180In Stock
Min.: 1
Mult.: 1

EFM32LG 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

STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE
Datasheet
4,083In Stock
Min.: 1
Mult.: 1

STM32F103T6 SMD/SMT UFQFPN-36 ARM Cortex M3 32 kB 32 bit 12 bit 72 MHz 26 I/O 10 kB 2 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 128KB
Datasheet
1,058In Stock
Min.: 1
Mult.: 1

STM32F100CB SMD/SMT LQFP-48 ARM Cortex M3 128 kB 32 bit 12 bit 24 MHz 37 I/O 8 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 64PINS 16KB
Datasheet
4,923In Stock
Min.: 1
Mult.: 1

STM32F100R4 SMD/SMT LQFP-64 ARM Cortex M3 128 kB 32 bit 12 bit 24 MHz 51 I/O 4 kB 2 V 3.6 V - 40 C + 85 C Tray