ARM Cortex M3 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
Change category view
Results: 1,975
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Mounting Style
Package / Case
Core
Number of I/Os
Data Bus Width
ADC Resolution
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE
Datasheet
620In Stock
A tariff of 38% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit

STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 36 PIN 32KB
Datasheet
2,230In Stock
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-36 ARM Cortex M3 26 I/O 32 bit 12 bit

STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 FL PERFORMANCE LINE
Datasheet
676In Stock
2,940Expected 6/21/2027
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-36 ARM Cortex M3 26 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
Datasheet
954In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 260 to 512 USB/CAN
Datasheet
1,209In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU STM32F103 Perf Line M3 384kB 72 MHz MCU
Datasheet
666In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE
Datasheet
298In Stock
A tariff of 38% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

SMD/SMT BGA-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto
Datasheet
271In Stock
1,000Expected 4/26/2027
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-144 ARM Cortex M3 112 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash
Datasheet
559In Stock
A tariff of 10% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

SMD/SMT BGA-144 ARM Cortex M3 112 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN,
Datasheet
574In Stock
MouseReel Available
A tariff of 38% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Connective ARM 32Bit 256kB Flash USB OTG
Datasheet
843In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line
Datasheet
266In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM
Datasheet
377In Stock
1,000Expected 5/24/2027
MouseReel Available
A tariff of 10% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 256kb Connectivity
Datasheet
1,054In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU STM32F105 Conn Line M3 256kB 72 MHz MCU
Datasheet
303In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,
Datasheet
375In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 128 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
407In Stock
1,000Expected 9/18/2026
MouseReel Available
A tariff of 38% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
636In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
321In Stock
960Expected 11/26/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU STM32F20 High-Perf M3 1Mb 120 MHz MCU
Datasheet
418In Stock
MouseReel Available
A tariff of 38% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity
Datasheet
421In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT WLCSP-64 ARM Cortex M3 32 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Datasheet
865In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 82 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
1,542In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 82 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB
Datasheet
172In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 114 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 256Kb
Datasheet
247In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT LQFP-144 ARM Cortex M3 114 I/O 32 bit 12 bit