ARM Cortex M3 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m
Datasheet
1,000On Order
MouseReel Available
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
Datasheet
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
Datasheet
958Expected 2027/03/15
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
Datasheet
2,922Expected 2027/08/09
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
Datasheet
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
Datasheet
1,080Expected 2026/10/20
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
Datasheet
2,008Expected 2027/01/04
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 128kB
Datasheet
502In Stock
540Expected 2027/03/29
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 32 bit 120 MHz 128 kB 64 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
Datasheet
720Expected 2027/06/07
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
Datasheet
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
Datasheet
540Expected 2026/10/20
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
Datasheet
792Expected 2027/07/26
MouseReel Available
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
Datasheet
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
Datasheet
1,919Expected 2026/10/19
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
Datasheet
1,673Expected 2026/10/19
MouseReel Available
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
Datasheet
947Expected 2027/03/08
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
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY MM
Datasheet
340Expected 2026/09/02
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
Datasheet
264Expected 2027/01/07
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 PSOC 5LP PERFO ANLOG 67MHZ,128K
Datasheet
535Expected 2026/09/02
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 ARM Cortex M3 32 bit 67 MHz 128 kB 12 bit 1.71 V 1.89 V + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU 128K Flash 32K SRAM PSoC 5LP
Datasheet
512Expected 2026/10/20
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
Datasheet
519Expected 2026/08/27
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
NXP Semiconductors ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3
Datasheet
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
Datasheet
480Expected 2026/10/05
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
Datasheet
960Expected 2026/08/27
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 Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
998Expected 2026/09/07
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-80 ARM Cortex M3 32 bit 100 MHz 128 kB 32 kB 12 bit 52 I/O 3.3 V 3.3 V + 85 C Reel, Cut Tape, MouseReel