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 H/D ACCESS USB MCU
2,155On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 36 MHz 256 kB 32 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash
999On Order
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 36 MHz 256 kB 32 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Performance
3,114On Order
Min.: 1
Mult.: 1

SMD/SMT UQFN-48 ARM Cortex M3 32 bit 72 MHz 128 kB 20 kB 12 bit 37 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m
1,000On Order
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 256 kB 48 kB 12 bit 51 I/O 2 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 257 to 512 USB/CAN
1,883On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 384 kB 64 kB 12 bit 51 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex XL Density 1Mb Flash
958Expected 3/15/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 72 MHz 1 MB 96 kB 12 bit 112 I/O 2 V 3.6 V + 105 C Tray

STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE
2,922Expected 8/9/2027
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-36 ARM Cortex M3 32 bit 72 MHz 64 kB 20 kB 12 bit 26 I/O 2 V 3.6 V + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 261 to 512 USB/CAN
1,282On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 72 MHz 256 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
1,080Expected 10/20/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 128 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM
2,008Expected 1/4/2027
Min.: 1
Mult.: 1

SMD/SMT BGA-100 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 80 I/O 2 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB
720Expected 6/21/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 1 MB 128 kB 12 bit 114 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity
1,002On Order
Min.: 1
Mult.: 1

SMD/SMT BGA-176 ARM Cortex M3 32 bit 120 MHz 512 kB 128 kB 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB
540Expected 10/20/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 512 kB 128 kB 12 bit 82 I/O 1.8 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB
792Expected 8/23/2027
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 1 MB 128 kB 12 bit 82 I/O 1.8 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz
1,987Expected 12/31/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 37 I/O 1.65 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 128 Kbytes 32 MHz
1,920On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 51 I/O 1.65 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp
1,919Expected 10/26/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 512 kB 80 kB 12 bit 51 I/O 1.65 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp
1,673Expected 10/26/2026
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 512 kB 80 kB 12 bit 51 I/O 1.65 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB
947Expected 3/8/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 64 kB 10 kB 12 bit 51 I/O 1.65 V 3.6 V + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32L16 Low Power M3 384kB 32MHz MCU
248Expected 1/4/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M3 32 bit 32 MHz 384 kB 48 kB 12 bit 115 I/O 1.65 V 3.6 V + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU ARM Cortex-M3 MOTIX Microcontroller
2,500On Order
Min.: 1
Mult.: 1
: 2,500

SMD/SMT VQFN-48 ARM Cortex M3 32 bit 40 MHz 64 kB 6 kB 8 bit, 10 bit 10 I/O 5.5 V 28 V + 150 C Reel, Cut Tape
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY MM
340Expected 9/2/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 ARM Cortex M3 32 bit 144 MHz 1 MB 128 kB 12 bit 154 I/O 2.7 V 5.5 V + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
264Expected 1/7/2027
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

Infineon Technologies ARM Microcontrollers - MCU 128K Flash 32K SRAM PSoC 5LP
512Expected 10/20/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M3 32 bit 67 MHz 128 kB 32 kB 12 bit 46 I/O 1.71 V 1.89 V + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU PSoC5LP
519Expected 8/27/2026
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