ARM Cortex M3 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Mounting Style
Package/Case
Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
ADC Resolution
Number of I/Os
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 384kb
Datasheet
38In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 384 kB 64 kB 12 bit - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32F103 Perf Line M3 768kB 72 MHz MCU
Datasheet
62In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

ARM Microcontrollers - MCU SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 768 kB 96 kB 12 bit 112 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
Texas Instruments RF Microcontrollers - MCU SimpleLink 6LoWPAN Z igBee wireless MCU A 595-CC2630F128RGZR
Datasheet
153In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Microcontrollers - MCU SMD/SMT VQFN-48 ARM Cortex M3 32 bit 48 MHz 128 kB 20 kB 12 bit 31 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel

Texas Instruments RF Microcontrollers - MCU SimpleLink 32-bit A rm Cortex -M3 Bluet A 595-CC2640R2FYFVT
Datasheet
27In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

RF Microcontrollers - MCU SMD/SMT DSBGA-34 ARM Cortex M3 32 bit 48 MHz 128 kB 20 kB 12 bit 14 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
106In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT BGA-112 ARM Cortex M3 32 bit 48 MHz 256 kB 32 kB 12 bit 90 I/O - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
Datasheet
39In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 2 x 12 bit 44 I/O - 40 C + 105 C Tray
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
3,624Expected 09/10/2026
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT QFN-32 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 24 I/O - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
1,300Expected 03/11/2026
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT BGA-120 ARM Cortex M3 32 bit 48 MHz 1.02 MB 128 kB 12 bit 93 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Access Line MCU
Datasheet
1,019In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT UFQFPN-48 ARM Cortex M3 32 bit 36 MHz 64 kB 10 kB 12 bit 37 I/O - 40 C + 85 C Tray
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

ARM Microcontrollers - MCU SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 80 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
160In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 512 kB 128 kB 12 bit 114 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Value Line 48-Pin 64kB Flash
Datasheet
11,988Expected 13/09/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2,400

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M3 32 bit 24 MHz 64 kB 8 kB 12 bit 37 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 128K 16KB RAM 1X12 ADC
Datasheet
4,285On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M3 32 bit 36 MHz 128 kB 16 kB 12 bit 37 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Medium-density
Datasheet
3,786On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M3 32 bit 72 MHz 64 kB 20 kB 12 bit 37 I/O - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m
Datasheet
4,991Expected 22/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

ARM Microcontrollers - MCU SMD/SMT UFQFPN-48 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 37 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Perform ARM 32Bit 32kB Flash 64-Pin
Datasheet
2,000Expected 05/07/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 768 kB 96 kB 12 bit - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash
Datasheet
3,840On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 1 MB 96 kB 12 bit 112 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto
Datasheet
4,000Expected 13/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 1 MB 96 kB 12 bit 112 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel

STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 128kb PL
Datasheet
8,651Expected 10/05/2027
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT VFQFPN-36 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 26 I/O - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU
Datasheet
2,208Expected 27/11/2026
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 384 kB 64 kB 12 bit 112 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 STM32F103 Eval BRD
Datasheet
2,206Expected 07/09/2026
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 112 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
9,486On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 64 kB 64 kB 12 bit 51 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
3,689On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 128 kB 64 kB 12 bit 51 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP
Datasheet
4,800On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 64 kB 8 kB 12 bit 51 I/O - 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
4,499On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,400

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 37 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel