ARM Cortex M3 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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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 Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto
Datasheet
4,000Expected 11/13/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 112 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU
Datasheet
2,208Expected 11/27/2026
Min.: 1
Mult.: 1

SMD/SMT BGA-144 ARM Cortex M3 112 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 STM32F103 Eval BRD
Datasheet
2,206Expected 9/21/2026
Min.: 1
Mult.: 1

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
3,689On Order
Min.: 1
Mult.: 1

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

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

SMD/SMT LQFP-48 ARM Cortex M3 37 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp
Datasheet
2,496Expected 12/10/2026
Min.: 1
Mult.: 1

SMD/SMT BGA-132 ARM Cortex M3 109 I/O 32 bit 12 bit
Infineon Technologies ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH
Datasheet
3,133Expected 9/24/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 72 I/O 32 bit 12 bit
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
Datasheet
1,997Expected 9/24/2026
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 62 I/O 32 bit 12 bit
Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Datasheet
6,397On Order
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 62 I/O 32 bit 12 bit

Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Datasheet
1,459Expected 10/8/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 48 I/O 32 bit 12 bit

Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Datasheet
884On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 48 I/O 32 bit 12 bit
Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
Datasheet
3,280On Order
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 62 I/O 32 bit 12 bit
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
Datasheet
1,995On Order
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 62 I/O 32 bit 12 bit
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
Datasheet
2,000Expected 9/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 62 I/O 32 bit 12 bit

Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
Datasheet
4,110On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 38 I/O 32 bit 12 bit
NXP Semiconductors ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
213In Stock
1,560On Order
Min.: 1
Mult.: 1

SMD/SMT TFBGA-100 ARM Cortex M3 49 I/O 32 bit 2 x 10 bit
Microchip Technology ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Datasheet
368Expected 3/15/2027
Min.: 1
Mult.: 1

SMD/SMT LFBGA-144 ARM Cortex M3 96 I/O 32 bit 12 bit

Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
1,298Expected 8/18/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 56 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU
Datasheet
258In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M3 80 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
Microchip Technology M2S025T-FCSG158I
Microchip Technology SoC FPGA SmartFusion2 SoC FPGA, ARM Cortex-M3, 27.6KLEs
Datasheet
520On Order
Min.: 1
Mult.: 1

SMD/SMT FCSBGA-158 ARM Cortex M3
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB
Datasheet
2,997Expected 1/18/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 37 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers
Datasheet
978Expected 4/5/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT ARM Cortex M3 51 I/O 32 bit 12 bit
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access
Datasheet
1,998Expected 3/8/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

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