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ARM Cortex M3 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	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	Packaging
ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 128kb PL STM32F103TBU7 STMicroelectronics 1: $9.22 8,655Expected 31/05/2027	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 31/05/2027	$9.22 $7.00 $6.46 $5.85 View $5.52 $5.30 $5.23	Min.: 1 Mult.: 1	STM32F103TB	SMD/SMT	VFQFPN-36	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	26 I/O	20 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU STM32F103ZDH6 STMicroelectronics 1: $13.96 2,208Expected 04/12/2026	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 04/12/2026	$13.96 $10.94 $10.20 $9.46 $9.19	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
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105R8T6 STMicroelectronics 1: $9.05 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 30/08/2027 6,720 TBD Factory Lead Time: 52 Weeks	$9.05 $6.08 $5.36 $5.00 $4.71	Min.: 1 Mult.: 1	STM32F105R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RBT6 STMicroelectronics 1: $10.60 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 30/08/2027 1,920 TBD Factory Lead Time: 52 Weeks	$10.60 $8.22 $7.28 $6.81 View $6.64 $6.44	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
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP STM32L100R8T6A STMicroelectronics 1: $7.19 4,800Expected 22/02/2027	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	4,800Expected 22/02/2027	$7.19 $5.37 $4.88 $4.40 View $4.26 $3.84	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
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBT6ATR STMicroelectronics 1: $7.48 4,800Expected 22/02/2027	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	4,800Expected 22/02/2027	Cut Tape $7.48 $5.66 $5.05 $4.72 View Reel $4.00 $4.60 $4.21 $4.00 $4.00 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
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCU6TR STMicroelectronics 1: $8.34 8,833On Order	Mfr. Part No. STM32L151CCU6TR Mouser Part No 511-STM32L151CCU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	8,833On Order	Cut Tape $8.34 $6.44 $5.68 $5.44 View Reel $4.77 $5.40 $5.04 $5.00 $4.77 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM32L151CC	SMD/SMT	UFQPFN-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151QEH6 STMicroelectronics 1: $14.99 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	$14.99 $11.77 $10.72 $10.08 View $9.61 $9.33 $9.22	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
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp STM32L151VET6 STMicroelectronics 1: $12.70 2,921On Order	Mfr. Part No. STM32L151VET6 Mouser Part No 511-STM32L151VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp Learn More about STMicroelectronics stm32l1	Datasheet	2,921On Order	$12.70 $9.28 $8.54 $7.95	Min.: 1 Mult.: 1	STM32L151VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	32 MHz	83 I/O	80 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868LTI-LP039 Infineon Technologies 1: $29.39 980On 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	980On Order On Order Ship Dates Mfr. No: CY8C5868LTI-LP039 Stock: 0 On Order: 460 Expected 05/11/2026 520 Expected 19/11/2026 Factory Lead Time: 18 Weeks	$29.39 $23.68 $21.40 $20.56 View $19.86 $19.09 Quote	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
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5888FNI-LP210T Infineon Technologies 1: $34.45 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 $34.45 $26.95 $25.74 $23.39 View Reel $21.67 $22.59 $22.07 $21.68 $21.67 Quote	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
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1754FBD80,518 NXP Semiconductors 1: $13.61 1,960Expected 21/12/2026	Mfr. Part No. LPC1754FBD80,518 Mouser Part No 771-LPC1754FBD80518	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core	Datasheet	1,960Expected 21/12/2026	Cut Tape $13.61 $10.34 $9.92 $8.74 $8.35 Reel $7.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	LPC1700	SMD/SMT	LQFP-80	ARM Cortex M3	128 kB	32 bit	12 bit	100 MHz	52 I/O	32 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1778FET208K NXP Semiconductors 1: $22.75 1,260Expected 04/01/2027	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 04/01/2027	$22.75 $18.38 $17.63 $15.53 View $14.77 $14.09 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT		ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	165 I/O	96 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1837JET100E NXP Semiconductors 1: $23.68 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 14/12/2026 1,820 Expected 29/12/2026 1,040 Expected 18/01/2027 Factory Lead Time: 39 Weeks	$23.68 $18.53 $17.69 $16.08 View $15.53 $15.16 Quote	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
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA ATSAM3A8CA-AU Microchip Technology 1: $11.18 172Expected 24/11/2026	Mfr. Part No. ATSAM3A8CA-AU Mouser Part No 556-ATSAM3A8CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3a mcu	Datasheet	172Expected 24/11/2026	$11.18 $11.00 $10.18 $10.04 View $9.27 $9.26	Min.: 1 Mult.: 1	SAM3A	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	84 MHz	63 I/O	64 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG110F32-D-QFN24R Silicon Labs 1: $5.06 2,256Expected 27/11/2026	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	2,256Expected 27/11/2026	Cut Tape $5.06 $3.85 $3.55 $3.22 View Reel $2.89 $3.06 $2.96 $2.93 $2.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EFM32TG	SMD/SMT	QFN-24	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	17 I/O	4 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU STM32F100VBT7B STMicroelectronics 1: $8.13 248In 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	248In Stock	$8.13 $5.83 $5.33 $5.17 View $4.77 $4.70 Quote	Min.: 1 Mult.: 1	STM32F100VB	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	80 I/O	8 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel STM32F205RGT6W STMicroelectronics 1: $20.26 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	$20.26 $16.07 $14.84 $13.74 View $13.49 $12.95 Quote	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
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB STM32F215ZET6 STMicroelectronics 1: $12.95 130In Stock	Mfr. Part No. STM32F215ZET6 Mouser Part No 511-STM32F215ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	130In Stock	$12.95 $11.02 $10.21 $10.19 $10.18	Min.: 1 Mult.: 1	STM32F215ZE	SMD/SMT	LQFP-144	ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	114 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152RBT6 STMicroelectronics 1: $9.81 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	$9.81 $7.61 $6.73 $6.30 $5.50	Min.: 1 Mult.: 1	STM32L152RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	51 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB STM32F100C4T6B STMicroelectronics 1: $5.28 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	$5.28 $3.88 $3.54 $3.26 View $2.99 $2.91 $2.85 $2.75	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
ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM STM32F100R8H6B STMicroelectronics 1: $7.23 3,836Expected 24/05/2027	Mfr. Part No. STM32F100R8H6B Mouser Part No 511-STM32F100R8H6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	3,836Expected 24/05/2027	$7.23 $5.32 $4.95 $4.36 View $4.13 $3.71 $3.55 $3.45	Min.: 1 Mult.: 1	STM32F100R8	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	51 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line STM32F100R8T6BTR STMicroelectronics 1: $6.41 687Expected 07/12/2026	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 07/12/2026	Cut Tape $6.41 $4.90 $4.39 $4.12 View Reel $3.64 $4.00 $3.65 $3.64 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100R8			ARM Cortex M3		32 bit					2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC STM32F101C8T6 STMicroelectronics 1: $7.65 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	$7.65 $5.62 $5.24 $4.61 View $4.37 $3.92 $3.84	Min.: 1 Mult.: 1	STM32F101C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	36 MHz	48 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line STM32F101CBT6TR STMicroelectronics 1: $7.81 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 $7.81 $5.68 $5.24 $4.74 View Reel $4.12 $4.70 $4.35 $4.12 $4.12 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F101CB	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	36 MHz	37 I/O	16 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel