ARM Cortex M3 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Number of I/Os
Data Bus Width
ADC Resolution
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line
Datasheet
167In Stock
960Expected 13/04/2026
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 Access Line
Datasheet
10In 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 H/D ACCESS USB MCU
Datasheet
100In Stock
Min.: 1
Mult.: 1

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
41In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 112 I/O 32 bit
STMicroelectronics ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Access Line MCU
Datasheet
1,382In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,400

SMD/SMT LQFP-48 ARM Cortex M3 37 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
Datasheet
280In Stock
4,800Expected 18/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,400

SMD/SMT LQFP-48 ARM Cortex M3 37 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m
Datasheet
227In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

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

STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 64kb PL
Datasheet
18In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT UFQFPN-36 ARM Cortex M3 26 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC
Datasheet
147In Stock
540Expected 27/03/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 100 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 512kb
Datasheet
735In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Access MCU 144-Pin 256kB Flash
Datasheet
196In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 112 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU STM32F103 Perf Line M3 768kB 72 MHz MCU
Datasheet
62In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

SMD/SMT BGA-144 ARM Cortex M3 112 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
110In Stock
540Expected 27/03/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 80 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
42In Stock
960Expected 30/03/2026
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 768kB
Datasheet
122In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU High-performance ARM Cortex-M3 MCU
Datasheet
76In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 82 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB
Datasheet
62In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 82 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
112In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 114 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
69In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 ARM Cortex M3 140 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 768kb Connectivity
Datasheet
558In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-176 ARM Cortex M3 32 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB
Datasheet
67In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 ARM Cortex M3 140 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB
Datasheet
64In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 114 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
Datasheet
68In Stock
960Expected 17/04/2026
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
65In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 114 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz
Datasheet
249In Stock
960Expected 01/06/2026
Min.: 1
Mult.: 1

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