ARM Cortex M3 Core ARM Microcontrollers - MCU

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Description Datasheet Availability Pricing (PHP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package / Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
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STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m
Datasheet
4,991Expected 25/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

STM32F103CB SMD/SMT UFQFPN-48 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 37 I/O 20 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Perform ARM 32Bit 32kB Flash 64-Pin
Datasheet
2,000Expected 05/07/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F103RF SMD/SMT LQFP-64 ARM Cortex M3 768 kB 32 bit 12 bit 72 MHz 96 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash
Datasheet
3,840On Order
Min.: 1
Mult.: 1

STM32F103RG SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 72 MHz 112 I/O 96 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto
Datasheet
4,000Expected 13/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F103RG SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 72 MHz 112 I/O 96 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU
Datasheet
2,208Expected 27/11/2026
Min.: 1
Mult.: 1

STM32F103ZD SMD/SMT BGA-144 ARM Cortex M3 384 kB 32 bit 12 bit 72 MHz 112 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 STM32F103 Eval BRD
Datasheet
2,206Expected 16/09/2026
Min.: 1
Mult.: 1

STM32F103ZE SMD/SMT BGA-144 ARM Cortex M3 512 kB 32 bit 12 bit 72 MHz 112 I/O 64 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3
Datasheet
3,689On Order
Min.: 1
Mult.: 1

STM32F107RB SMD/SMT LQFP-64 ARM Cortex M3 128 kB 32 bit 12 bit 72 MHz 51 I/O 64 kB 2 V 3.6 V - 40 C + 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
Datasheet
4,800On Order
Min.: 1
Mult.: 1

STM32L100R8-A SMD/SMT LQFP-64 ARM Cortex M3 64 kB 32 bit 12 bit 32 MHz 51 I/O 8 kB 1.8 V 3.6 V - 40 C + 85 C Tray
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

STM32L151CB-A SMD/SMT LQFP-48 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 37 I/O 16 kB 1.8 V 3.6 V - 40 C + 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
Datasheet
2,496Expected 10/12/2026
Min.: 1
Mult.: 1

STM32L151QE SMD/SMT BGA-132 ARM Cortex M3 512 kB 32 bit 12 bit 32 MHz 109 I/O 80 kB 1.65 V 3.6 V - 40 C + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH
Datasheet
3,133Expected 24/09/2026
Min.: 1
Mult.: 1

CY8C54LPxxx SMD/SMT TQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 72 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
Datasheet
1,997Expected 24/09/2026
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 256 kB 32 bit 12 bit 80 MHz 62 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Reel, Cut Tape
Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Datasheet
6,796On Order
Min.: 1
Mult.: 1

CY8C58LPxxx SMD/SMT TQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 62 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray

Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
Datasheet
1,459Expected 08/10/2026
Min.: 1
Mult.: 1

CY8C58LPxxx SMD/SMT QFN-68 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 48 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Infineon Technologies ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP
Datasheet
2,080Expected 24/09/2026
Min.: 1
Mult.: 1

CY8C58LPxx SMD/SMT TQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 80 MHz 62 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray
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 256 kB 32 bit 12 bit 80 MHz 62 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Reel, Cut Tape
Infineon Technologies ARM Microcontrollers - MCU MM-LEGACY PSOC135
Datasheet
2,000Expected 10/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

SMD/SMT WLCSP-99 ARM Cortex M3 256 kB 32 bit 12 bit 80 MHz 62 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Reel, Cut Tape, MouseReel

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

CY8C58LPxx SMD/SMT QFN-68 ARM Cortex M3 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
1,773On Order
Min.: 1
Mult.: 1

LPC183x SMD/SMT TFBGA-100 ARM Cortex M3 1 MB 32 bit 2 x 10 bit 180 MHz 49 I/O 136 kB 2.4 V 3.6 V - 40 C + 105 C Tray
Microchip Technology ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Datasheet
368On Order
Min.: 1
Mult.: 1

SAM3U SMD/SMT LFBGA-144 ARM Cortex M3 256 kB 32 bit 12 bit 96 MHz 96 I/O 52 kB 1.62 V 1.95 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
1,298Expected 18/08/2026
Min.: 1
Mult.: 1

EFM32GG SMD/SMT QFN-64 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 56 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray
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

STM32F205RG SMD/SMT LQFP-64 ARM Cortex M3 1 MB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.8 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB
Datasheet
2,997Expected 18/01/2027
Min.: 1
Mult.: 1

STM32F100C4 SMD/SMT LQFP-48 ARM Cortex M3 16 kB 32 bit 12 bit 24 MHz 37 I/O 4 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers
Datasheet
978Expected 05/04/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F100R6 SMD/SMT ARM Cortex M3 128 kB 32 bit 12 bit 24 MHz 51 I/O 4 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access
Datasheet
1,998Expected 08/03/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

STM32F101RC SMD/SMT LQFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 36 MHz 51 I/O 32 kB 2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel