ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU

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Results: 1,442
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 Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size ADC Resolution Number of I/Os Supply Voltage - Min Supply Voltage - Max Maximum Operating Temperature Qualification Packaging
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU
2,208Expected 11/27/2026
Min.: 1
Mult.: 1

SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 384 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 STM32F103 Eval BRD
2,206Expected 9/7/2026
Min.: 1
Mult.: 1

SMD/SMT BGA-144 ARM Cortex M3 32 bit 72 MHz 512 kB 64 kB 12 bit 112 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
3,689On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 128 kB 64 kB 12 bit 51 I/O 2 V 3.6 V + 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
4,800On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 64 kB 8 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB
4,499On Order
Min.: 1
Mult.: 1
: 2,400

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 32 MHz 128 kB 16 kB 12 bit 37 I/O 1.8 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp
2,496Expected 12/10/2026
Min.: 1
Mult.: 1

SMD/SMT BGA-132 ARM Cortex M3 32 bit 32 MHz 512 kB 80 kB 12 bit 109 I/O 1.65 V 3.6 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH
3,133On Order
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 32 bit 67 MHz 256 kB 64 kB 12 bit 72 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
1,997Expected 9/17/2026
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Reel, Cut Tape

Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
1,459On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 32 bit 67 MHz 256 kB 64 kB 12 bit 48 I/O 1.71 V 1.89 V + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
996On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 32 bit 67 MHz 256 kB 64 kB 12 bit 48 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
3,180On Order
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
1,995On Order
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Reel, Cut Tape
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
2,000Expected 9/9/2026
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 62 I/O 1.71 V 1.89 V + 85 C Reel, Cut Tape, MouseReel

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

SMD/SMT QFN-68 ARM Cortex M3 32 bit 80 MHz 256 kB 64 kB 12 bit 38 I/O 1.71 V 1.89 V + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
368Expected 3/15/2027
Min.: 1
Mult.: 1

SMD/SMT LFBGA-144 ARM Cortex M3 32 bit 96 MHz 256 kB 52 kB 12 bit 96 I/O 1.62 V 1.95 V + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
1,890On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 72 MHz 64 kB 12 kB 2 x 12 bit 32 I/O 2.4 V 3.6 V + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
1,280On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 64 kB 12 kB 2 x 12 bit 46 I/O 2.4 V 3.6 V + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
960Expected 8/31/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 256 kB 36 kB 2 x 12 bit 46 I/O 2.4 V 3.6 V + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3
780On Order
Min.: 1
Mult.: 1

SMD/SMT TFBGA-100 ARM Cortex M3 32 bit 180 MHz 512 kB 136 kB 2 x 10 bit 49 I/O 2.4 V 3.6 V + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3
120Expected 4/26/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 180 MHz 1 MB 136 kB 2 x 10 bit 83 I/O 2.4 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU 258In Stock
Min.: 1
Mult.: 1

SMD/SMT ARM Cortex M3 32 bit 24 MHz 128 kB 8 kB 12 bit 80 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel 44In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 1 MB 128 kB 12 bit 51 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB
2,997Expected 1/18/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 24 MHz 16 kB 4 kB 12 bit 37 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers
978Expected 4/5/2027
Min.: 1
Mult.: 1
: 1,000

SMD/SMT ARM Cortex M3 32 bit 24 MHz 128 kB 4 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line
882On Order
Min.: 1
Mult.: 1
: 1,000

ARM Cortex M3 32 bit 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel