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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STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM
Datasheet
121In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

STM32F1 SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 24 MHz 51 I/O 24 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel
Datasheet
44In Stock
Min.: 1
Mult.: 1

STM32F205RG SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb Low Power MCU
Datasheet
297In Stock
Min.: 1
Mult.: 1

STM32L151R6 ARM Cortex M3 32 bit 1.65 V 3.6 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU
Datasheet
18In Stock
Min.: 1
Mult.: 1

SIM3L167 SMD/SMT TQFP-80 ARM Cortex M3 256 kB 32 bit 10 bit, 12 bit 50 MHz 62 I/O 32 kB 1.25 V 3.8 V - 40 C + 85 C Tray

Microchip Technology ARM Microcontrollers - MCU MRL A 128K Flash 32K SRAM Ind Temp
Datasheet
146In Stock
Min.: 1
Mult.: 1

SAM3S SMD/SMT QFN-64 ARM Cortex M3 128 kB 32 bit 12 bit 64 MHz 47 I/O 32 kB 1.62 V 1.9 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES
Datasheet
215In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 64 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, 4x22 LCD, AES
Datasheet
32In 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
56In Stock
Min.: 1
Mult.: 1

EFM32GG SMD/SMT BGA-112 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 90 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES
Datasheet
4In Stock
Min.: 1
Mult.: 1

EFM32GG SMD/SMT BGA-112 ARM Cortex M3 512 kB 32 bit 12 bit 48 MHz 90 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, AES
Datasheet
3In Stock
Min.: 1
Mult.: 1

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 Tray
Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES
Datasheet
35In Stock
Min.: 1
Mult.: 1

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 Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
190In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

EFM32LG SMD/SMT QFN-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, MouseReel

Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
390In Stock
Min.: 1
Mult.: 1

EFM32TG SMD/SMT QFN-24 ARM Cortex M3 8 kB 32 bit 12 bit 32 MHz 17 I/O 2 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU
Datasheet
165In Stock
Min.: 1
Mult.: 1

EFM32JG SMD/SMT QFN-32 ARM Cortex M3 128 kB 32 bit 12 bit 40 MHz 20 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
47In Stock
Min.: 1
Mult.: 1

EFM32LG SMD/SMT CSP-81 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 65 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 384kb
Datasheet
58In Stock
Min.: 1
Mult.: 1

STM32F103VD SMD/SMT LQFP-100 ARM Cortex M3 384 kB 32 bit 12 bit 72 MHz 64 kB 2 V 3.6 V - 40 C + 105 C Tray
Texas Instruments ARM Microcontrollers - MCU 16/32B RISC Fl MCU A 595-S4MF03107SPZQQ1 A 595-S4MF03107SPZQQ1R
Datasheet
6In Stock
Min.: 1
Mult.: 1

TMS470MF03107 SMD/SMT LQFP-100 ARM Cortex M3 320 kB 32 bit/16 bit 10 bit 80 MHz 49 I/O 16 kB 3.3 V 3.3 V - 40 C + 125 C AEC-Q100 Tray
Toshiba ARM Microcontrollers - MCU 32-bit ARM Cortex-M0 128KB ROM, 16KB RAM 160In Stock
Min.: 1
Mult.: 1

TMPM066FWUG SMD/SMT LQFP-64 ARM Cortex M3 128 kB 32 bit 10 bit 24 MHz 48 I/O 16 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 512 Kbyte Value Line
Datasheet
491In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

STM32F100RE SMD/SMT LQFP-64 ARM Cortex M3 512 kB 32 bit 12 bit 24 MHz 51 I/O 32 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line
Datasheet
975In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,400

STM32F101CB SMD/SMT LQFP-48 ARM Cortex M3 128 kB 32 bit 12 bit 36 MHz 37 I/O 16 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,
Datasheet
515In Stock
Min.: 1
Mult.: 1

STM32F105VC 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
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
218In Stock
Min.: 1
Mult.: 1

STM32F215ZE SMD/SMT LQFP-144 ARM Cortex M3 512 kB 32 bit 12 bit 120 MHz 114 I/O 128 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB
Datasheet
2,869Expected 25/02/2026
Min.: 1
Mult.: 1

STM32F205RG SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.8 V 3.6 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES
Datasheet
900Expected 24/04/2026
Min.: 1
Mult.: 1

EFM32GG SMD/SMT LQFP-100 ARM Cortex M3 512 kB 32 bit 12 bit 48 MHz 85 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
1,449Expected 02/03/2026
Min.: 1
Mult.: 1

EFM32LG SMD/SMT TQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 50 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray