ARM Cortex M3 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Number of I/Os
Data Bus Width
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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 4/17/2026
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-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB
Datasheet
86In 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 Ultra Low M3 ARM 256 Kbytes 32 MHz
Datasheet
249In Stock
960Expected 6/1/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
Infineon Technologies 32-bit Microcontrollers - MCU MM-LEGACY MM
Datasheet
310In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-120 ARM Cortex M3 103 I/O 32 bit 12 bit
Infineon Technologies 32-bit Microcontrollers - MCU MM-LEGACY PSOC135
Datasheet
1.118In Stock
Min.: 1
Mult.: 1
Reel: 2.000

SMD/SMT WLCSP-99 ARM Cortex M3 62 I/O 32 bit 12 bit
Toshiba ARM Microcontrollers - MCU Hi-perf 32-B MCU 16kb RAM Flash 35In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 83 I/O 32 bit 12 bit
Toshiba ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 64KB ROM, 10KB RAM
Datasheet
3.872In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

SMD/SMT VQFN-48 ARM Cortex M3 40 I/O 32 bit 12 bit
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
Datasheet
199In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 32 I/O 32 bit 2 x 12 bit
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
Datasheet
69In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 78 I/O 32 bit 2 x 12 bit
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
Datasheet
199In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 78 I/O 32 bit 2 x 12 bit
NXP Semiconductors ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, no CAN, LQFP100 package
Datasheet
192In Stock
900Expected 2/26/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 70 I/O 32 bit 12 bit
NXP Semiconductors ARM Microcontrollers - MCU CORTEX-M3 128 KB FL 40 KB SRAM USB
Datasheet
53In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 109 I/O 32 bit 12 bit
NXP Semiconductors ARM Microcontrollers - MCU CORTEX-M3 512KB FL 96KB SRAM USB 2.0
Datasheet
5In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-208 ARM Cortex M3 165 I/O 32 bit 12 bit
NXP Semiconductors ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 Microcontroller Uni
Datasheet
36In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-208 ARM Cortex M3 142 I/O 32 bit 2 x 10 bit
NXP Semiconductors ARM Microcontrollers - MCU ARM Cortex M3
Datasheet
60In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 83 I/O 32 bit 10 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM
Datasheet
121In 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 High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel
Datasheet
44In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb Low Power MCU
Datasheet
297In Stock
Min.: 1
Mult.: 1

ARM Cortex M3 32 bit

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

SMD/SMT TQFP-80 ARM Cortex M3 62 I/O 32 bit 10 bit, 12 bit

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

SMD/SMT QFN-64 ARM Cortex M3 47 I/O 32 bit 12 bit

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

SMD/SMT QFN-64 ARM Cortex M3 56 I/O 32 bit 12 bit
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 53 I/O 32 bit 12 bit
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
56In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-112 ARM Cortex M3 90 I/O 32 bit 12 bit