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ARM Cortex M3 Core Embedded Processors & Controllers

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Core = ARM Cortex M3

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103RGT6TR STMicroelectronics 1: 13,17 € 4 000Expected 16/11/2026	Mfr. Part No. STM32F103RGT6TR Mouser Part No 511-STM32F103RGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto Learn More about STMicroelectronics stm32f1	Datasheet	4 000Expected 16/11/2026	Cut Tape 13,17 € 10,34 € 9,43 € 8,86 € View Reel 8,07 € 8,82 € 8,26 € 8,07 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	SMD/SMT	LQFP-64	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 128kb PL STM32F103TBU7 STMicroelectronics 1: 7,93 € 8 655Expected 06/09/2027	Mfr. Part No. STM32F103TBU7 Mouser Part No 511-STM32F103TBU7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 128kb PL Learn More about STMicroelectronics stm32f1	Datasheet	8 655Expected 06/09/2027	7,93 € 6,02 € 5,56 € 5,03 € View 4,75 € 4,56 € 4,50 €	Min.: 1 Mult.: 1	SMD/SMT	VFQFPN-36	ARM Cortex M3	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU STM32F103ZDH6 STMicroelectronics 1: 12,01 € 2 208Expected 03/12/2026	Mfr. Part No. STM32F103ZDH6 Mouser Part No 511-STM32F103ZDH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU Learn More about STMicroelectronics stm32f1	Datasheet	2 208Expected 03/12/2026	12,01 € 9,41 € 8,77 € 8,14 € 7,90 €	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105R8T6 STMicroelectronics 1: 7,78 € 9 486On Order	Mfr. Part No. STM32F105R8T6 Mouser Part No 511-STM32F105R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	9 486On Order On Order Ship Dates Mfr. No: STM32F105R8T6 Stock: 0 On Order: 2 766 Expected 02/08/2027 6 720 TBD Factory Lead Time: 52 Weeks	7,78 € 5,23 € 4,61 € 4,30 € 4,05 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RBT6 STMicroelectronics 1: 9,12 € 3 689On Order	Mfr. Part No. STM32F107RBT6 Mouser Part No 511-STM32F107RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3 689On Order On Order Ship Dates Mfr. No: STM32F107RBT6 Stock: 0 On Order: 809 Expected 06/04/2027 960 Expected 02/08/2027 1 920 TBD Factory Lead Time: 52 Weeks	9,12 € 7,07 € 6,26 € 5,86 € View 5,71 € 5,54 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP STM32L100R8T6A STMicroelectronics 1: 6,18 € 4 800On Order	Mfr. Part No. STM32L100R8T6A Mouser Part No 511-STM32L100R8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP Learn More about STMicroelectronics stm32l1	Datasheet	4 800On Order	6,18 € 4,62 € 4,20 € 3,78 € View 3,66 € 3,30 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBT6ATR STMicroelectronics 1: 6,43 € 4 499On Order	Mfr. Part No. STM32L151CBT6ATR Mouser Part No 511-STM32L151CBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	4 499On Order	Cut Tape 6,43 € 4,87 € 4,34 € 4,06 € View Reel 3,44 € 3,96 € 3,62 € 3,44 € 3,44 € MouseReel Available	Min.: 1 Mult.: 1 : 2 400	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151QEH6 STMicroelectronics 1: 12,89 € 9 984On Order	Mfr. Part No. STM32L151QEH6 Mouser Part No 511-STM32L151QEH6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	9 984On Order	12,89 € 10,12 € 9,22 € 8,67 € View 8,26 € 8,02 € 7,93 €	Min.: 1 Mult.: 1	SMD/SMT	BGA-132	ARM Cortex M3	109 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868LTI-LP039 Infineon Technologies 1: 25,28 € 1 171On Order	Mfr. Part No. CY8C5868LTI-LP039 Mouser Part No 727-CY8C5868LTILP039	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1 171On Order On Order Ship Dates Mfr. No: CY8C5868LTI-LP039 Stock: 0 On Order: 520 Expected 08/10/2026 520 Expected 22/10/2026 131 Expected 28/10/2026 Factory Lead Time: 18 Weeks	25,28 € 20,37 € 18,40 € 17,58 € View 17,04 € 16,49 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	ARM Cortex M3	48 I/O	32 bit	12 bit
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5888FNI-LP210T Infineon Technologies 1: 29,63 € 1 995On Order	Mfr. Part No. CY8C5888FNI-LP210T Mouser Part No 727-CY8C5888FNIP210T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	1 995On Order	Cut Tape 29,63 € 23,18 € 22,14 € 20,12 € View Reel 18,64 € 19,43 € 18,98 € 18,64 € 18,64 € Quote	Min.: 1 Mult.: 1 : 2 000	SMD/SMT	WLCSP-99	ARM Cortex M3	62 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1778FET208K NXP Semiconductors 1: 16,54 € 1 260Expected 28/12/2026	Mfr. Part No. LPC1778FET208K Mouser Part No 771-LPC1778FET208K	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxplpc1778lpc1788	Datasheet	1 260Expected 28/12/2026	16,54 € 13,84 € 12,91 € 11,76 € View 11,43 € 10,69 €	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	165 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1837JET100E NXP Semiconductors 1: 19,48 € 3 331On Order	Mfr. Part No. LPC1837JET100E Mouser Part No 771-LPC1837JET100E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	3 331On Order On Order Ship Dates Mfr. No: LPC1837JET100E Stock: 0 On Order: 471 Expected 07/12/2026 1 040 Expected 25/01/2027 1 820 TBD Factory Lead Time: 39 Weeks	19,48 € 15,51 € 14,49 € 13,11 € 12,41 €	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	49 I/O	32 bit	2 x 10 bit
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG380F1024G-E-QFP100 Silicon Labs 1: 16,62 € 450Expected 23/10/2026	Mfr. Part No. EFM32GG380F1024G-E-QFP100 Mouser Part No 634-32GG380F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	450Expected 23/10/2026	16,62 € 11,05 € 10,60 € 10,41 € 10,12 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	81 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG110F32-D-QFN24R Silicon Labs 1: 4,36 € 756Expected 04/12/2026	Mfr. Part No. EFM32TG110F32-D-QFN24R Mouser Part No 634-EFM32TG110F32-DR	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	756Expected 04/12/2026	Cut Tape 4,36 € 3,29 € 3,02 € 2,73 € Reel 2,55 € View 2,59 € 2,57 € 2,52 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 000	SMD/SMT	QFN-24	ARM Cortex M3	17 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU STM32F100VBT7B STMicroelectronics 1: 6,99 € 258In Stock	Mfr. Part No. STM32F100VBT7B Mouser Part No 511-STM32F100VBT7B	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f1	Datasheet	258In Stock	6,99 € 5,01 € 4,58 € 4,45 € View 4,10 € 4,04 € 3,99 €	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel STM32F205RGT6W STMicroelectronics 1: 17,42 € 44In Stock NRND	Mfr. Part No. STM32F205RGT6W Mouser Part No 511-STM32F205RGT6W NRND	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	44In Stock	17,42 € 13,82 € 12,76 € 11,82 € View 11,60 € 11,14 € 11,13 € Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152RBT6 STMicroelectronics 1: 8,44 € 5In Stock NRND	Mfr. Part No. STM32L152RBT6 Mouser Part No 511-STM32L152RBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow Learn More about STMicroelectronics stm32l1	Datasheet	5In Stock	8,44 € 6,54 € 5,79 € 5,42 € 4,73 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB STM32F100C4T6B STMicroelectronics 1: 4,54 € 3 000Expected 18/01/2027	Mfr. Part No. STM32F100C4T6B Mouser Part No 511-STM32F100C4T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB Learn More about STMicroelectronics stm32f1	Datasheet	3 000Expected 18/01/2027	4,54 € 3,34 € 3,04 € 2,80 € View 2,57 € 2,50 € 2,45 € 2,37 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers STM32F100R6T6BTR STMicroelectronics 1: 5,45 € 978Expected 08/10/2026	Mfr. Part No. STM32F100R6T6BTR Mouser Part No 511-STM32F100R6T6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 32kB 24 MHz 12 Timers Learn More about STMicroelectronics stm32f1	Datasheet	978Expected 08/10/2026	Cut Tape 5,45 € 4,07 € 3,69 € 3,36 € View Reel 2,86 € 3,26 € 2,96 € 2,86 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	SMD/SMT		ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line STM32F100R8T6BTR STMicroelectronics 1: 5,51 € 687Expected 02/12/2026	Mfr. Part No. STM32F100R8T6BTR Mouser Part No 511-STM32F100R8T6BTR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line Learn More about STMicroelectronics stm32f1	Datasheet	687Expected 02/12/2026	Cut Tape 5,51 € 4,21 € 3,78 € 3,54 € View Reel 3,13 € 3,44 € 3,14 € 3,13 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000			ARM Cortex M3		32 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC STM32F101C8T6 STMicroelectronics 1: 6,58 € 1 312Expected 20/09/2027	Mfr. Part No. STM32F101C8T6 Mouser Part No 511-STM32F101C8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	1 312Expected 20/09/2027	6,58 € 4,83 € 4,51 € 3,96 € View 3,76 € 3,37 € 3,30 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	48 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line STM32F101CBT6TR STMicroelectronics 1: 6,72 € 2 398Expected 20/09/2027	Mfr. Part No. STM32F101CBT6TR Mouser Part No 511-STM32F101CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line Learn More about STMicroelectronics stm32f1	Datasheet	2 398Expected 20/09/2027	Cut Tape 6,72 € 4,88 € 4,51 € 4,08 € View Reel 3,54 € 4,04 € 3,74 € 3,54 € 3,54 € MouseReel Available	Min.: 1 Mult.: 1 : 2 400	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access STM32F101RCT6TR STMicroelectronics 1: 8,12 € 1 998Expected 07/04/2027	Mfr. Part No. STM32F101RCT6TR Mouser Part No 511-STM32F101RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access Learn More about STMicroelectronics stm32f1	Datasheet	1 998Expected 07/04/2027	Cut Tape 8,12 € 6,24 € 5,55 € 5,22 € View Reel 4,64 € 5,07 € 4,73 € 4,64 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101VCT6 STMicroelectronics 1: 8,74 € 2 157On Order	Mfr. Part No. STM32F101VCT6 Mouser Part No 511-STM32F101VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	2 157On Order On Order Ship Dates Mfr. No: STM32F101VCT6 Stock: 0 On Order: 1 617 Expected 10/11/2026 540 Expected 23/08/2027 Factory Lead Time: 52 Weeks	8,74 € 6,31 € 5,79 € 5,68 € 5,37 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash STM32F101VCT6TR STMicroelectronics 1: 8,74 € 999Expected 18/10/2027	Mfr. Part No. STM32F101VCT6TR Mouser Part No 511-STM32F101VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	999Expected 18/10/2027	Cut Tape 8,74 € 6,76 € 5,99 € 5,75 € 5,04 € Reel 4,92 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit