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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 ARM 32Bit Value Line 100-Pin 512kB Flash STM32F100VET6B STMicroelectronics 1: $11.06 567In Stock	Mfr. Part # STM32F100VET6B Mouser Part # 511-STM32F100VET6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 512kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	567In Stock	$11.06 $8.03 $7.38 $6.85 View $6.83 $6.67	Min.: 1 Mult.: 1	STM32F100VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	24 MHz		32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE STM32F103C6T7A STMicroelectronics 1: $5.95 966In Stock	Mfr. Part # STM32F103C6T7A Mouser Part # 511-STM32F103C6T7A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	966In Stock	$5.95 $4.63 $4.35 $4.05 View $3.91 $3.88 $3.76 Quote	Min.: 1 Mult.: 1	STM32F103C6	SMD/SMT	LQFP-48	ARM Cortex M3	32 kB	32 bit	12 bit	72 MHz	37 I/O	10 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN 32KB STM32F103R6T6A STMicroelectronics 1: $7.10 1,001In Stock	Mfr. Part # STM32F103R6T6A Mouser Part # 511-STM32F103R6T6A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN 32KB Learn More about STMicroelectronics stm32f1	Datasheet	1,001In Stock	$7.10 $5.45 $4.79 $4.65 View $4.56 $4.28 $4.13 $4.02 Quote	Min.: 1 Mult.: 1	STM32F103R6	SMD/SMT	LQFP-64	ARM Cortex M3	32 kB	32 bit	12 bit	72 MHz	51 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash STM32F103RGT6 STMicroelectronics 1: $15.89 891In Stock 2,880On Order	Mfr. Part # STM32F103RGT6 Mouser Part # 511-STM32F103RGT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash Learn More about STMicroelectronics stm32f1	Datasheet	891In Stock 2,880On Order On Order Ship Dates Mfr. #: STM32F103RGT6 Stock: 891 Can Ship Immediately On Order: 960 Expected 11/2/2026 1,920 Expected 1/25/2027 Factory Lead-Time: 52 Weeks	$15.89 $12.49 $11.27 $10.54 View $10.43 $10.08 $10.07	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
ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE STM32F103VEH6 STMicroelectronics 1: $12.22 339In Stock	Mfr. Part # STM32F103VEH6 Mouser Part # 511-STM32F103VEH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	339In Stock	$12.22 $9.88 $9.11 $8.38 Quote Quote	Min.: 1 Mult.: 1	STM32F103VE	SMD/SMT	BGA-100	ARM Cortex M3	512 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 512 Kbytes of Flash , 120 MHz CPU, ART Accel STM32F205VET7 STMicroelectronics 1: $15.33 511In Stock	Mfr. Part # STM32F205VET7 Mouser Part # 511-STM32F205VET7	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 512 Kbytes of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	511In Stock	$15.33 $11.29 $10.43 $9.72 $9.51	Min.: 1 Mult.: 1	STM32F205VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	82 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB STM32L151C6U6A STMicroelectronics 1: $6.78 1,498In Stock	Mfr. Part # STM32L151C6U6A Mouser Part # 511-STM32L151C6U6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	1,498In Stock	$6.78 $4.66 $4.34 $3.82 View $3.62 $3.25 $2.85 $2.84	Min.: 1 Mult.: 1	STM32L151C6-A	SMD/SMT	UFQPFN-48	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	10 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex M3 384kB Ultralow 10Ports USB STM32L151RDT6TR STMicroelectronics 1: $10.03 905In Stock	Mfr. Part # STM32L151RDT6TR Mouser Part # 511-STM32L151RDT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 384kB Ultralow 10Ports USB Learn More about STMicroelectronics stm32l1	Datasheet	905In Stock	Cut Tape $10.03 $7.79 $6.90 $6.62 $6.27 Reel $5.99 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32L151RD	SMD/SMT	LQFP-64	ARM Cortex M3	384 kB	32 bit	12 bit	32 MHz	51 I/O	48 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K CY8C5668AXI-LP013 Infineon Technologies 1: $24.72 123In Stock	Mfr. Part # CY8C5668AXI-LP013 Mouser Part # 727-CY8C5668AXILP013	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	123In Stock	$24.72 $21.08 $20.91 $20.90	Min.: 1 Mult.: 1	CY8C56LPxxx	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
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1823JET100E NXP Semiconductors 1: $19.73 520In Stock	Mfr. Part # LPC1823JET100E Mouser Part # 771-LPC1823JET100E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	520In Stock	$19.73 $15.72 $14.11 $13.61 View $13.43 $12.96 Quote	Min.: 1 Mult.: 1	LPC182x	SMD/SMT	TFBGA-100	ARM Cortex M3	512 kB	32 bit	2 x 10 bit	180 MHz	49 I/O	104 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 MCU; 1 MB flash and 136 kB SRAM; Ethernet, two High-speed USB, EMC, AES engine LPC18S37JET100E NXP Semiconductors 1: $21.19 259In Stock	Mfr. Part # LPC18S37JET100E Mouser Part # 771-LPC18S37JET100E	NXP Semiconductors	ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 MCU; 1 MB flash and 136 kB SRAM; Ethernet, two High-speed USB, EMC, AES engine Learn More about NXP Semiconductors nxp lpc18sx mcu	Datasheet	259In Stock	$21.19 $16.92 $15.21 $15.19 View $13.97 $13.48 Quote	Min.: 1 Mult.: 1	LPC18Sxx	SMD/SMT	TFBGA-100	ARM Cortex M3	1 MB	32 bit	10 bit	180 MHz	49 I/O	136 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152CBT6 STMicroelectronics 1: $8.68 768In Stock NRND	Mfr. Part # STM32L152CBT6 Mouser Part # 511-STM32L152CBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow Learn More about STMicroelectronics stm32l1	Datasheet	768In Stock	$8.68 $6.71 $5.92 $5.67 View $5.41 $5.26 $4.92 $4.78 Quote	Min.: 1 Mult.: 1	STM32L152CB	SMD/SMT		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	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG230F256G-F-QFN64R Silicon Labs 1: $11.35 1,937In Stock	Mfr. Part # EFM32LG230F256G-F-QFN64R Mouser Part # 634-32LG230F256GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,937In Stock	Cut Tape $11.35 $8.86 $8.23 $7.55 $7.24 Reel $6.54	Min.: 1 Mult.: 1 : 3,000	EFM32LG	SMD/SMT	QFN-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	56 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG840F32-D-QFN64 Silicon Labs 1: $6.69 626In Stock	Mfr. Part # EFM32TG840F32-D-QFN64 Mouser Part # 634-EFM32TG840F32-D	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	626In Stock	$6.69 $5.29 $4.74 $4.44 View $4.22 $4.09 $4.07 $4.01	Min.: 1 Mult.: 1	EFM32TG	SMD/SMT	QFN-64	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	56 I/O	4 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B ATSAM3U1CB-CU Microchip Technology 1: $6.25 261In Stock	Mfr. Part # ATSAM3U1CB-CU Mouser Part # 556-ATSAM3U1CB-CU	Microchip Technology	ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B Learn More about Microchip Technology microchip sam3u mcus	Datasheet	261In Stock	$6.25 $5.68 $5.39 $5.38	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	TFBGA-100	ARM Cortex M3	64 kB	32 bit	12 bit	96 MHz	57 I/O	20 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32B ARM Cortex-M3 256Kb Flsh 32MHz CPU STM32L151VCT6 STMicroelectronics 1: $7.52 1,510In Stock NRND	Mfr. Part # STM32L151VCT6 Mouser Part # 511-STM32L151VCT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32B ARM Cortex-M3 256Kb Flsh 32MHz CPU Learn More about STMicroelectronics stm32l1	Datasheet	1,510In Stock	$7.52 $6.13 $5.69 $5.57 View $5.35 $5.24	Min.: 1 Mult.: 1	STM32L151VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	83 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152VBT6 STMicroelectronics 1: $10.43 449In Stock NRND	Mfr. Part # STM32L152VBT6 Mouser Part # 511-STM32L152VBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow Learn More about STMicroelectronics stm32l1	Datasheet	449In Stock	$10.43 $7.56 $6.94 $6.43 View $6.21 $6.04 Quote	Min.: 1 Mult.: 1	STM32L152VB			ARM Cortex M3		32 bit					1.65 V	3.6 V		+ 85 C	Tray
ARM Microcontrollers - MCU STM32L15 Low Power M3 256kB 32MHz MCU STM32L152VCT6A STMicroelectronics 1: $9.23 430In Stock NRND	Mfr. Part # STM32L152VCT6A Mouser Part # 511-STM32L152VCT6A NRND	STMicroelectronics	ARM Microcontrollers - MCU STM32L15 Low Power M3 256kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	430In Stock	$9.23 $7.85 $7.59 $6.97 View $6.87 $6.84 Quote	Min.: 1 Mult.: 1	STM32L152VC-A	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	83 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU LQFP,Grn,IT,MRL A ATSAM3N0CA-AU Microchip Technology 1: $3.96 243In Stock	Mfr. Part # ATSAM3N0CA-AU Mouser Part # 556-ATSAM3N0CA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP,Grn,IT,MRL A Learn More about Microchip Technology microchip sam3n mcu	Datasheet	243In Stock	$3.96 $3.59 $3.26	Min.: 1 Mult.: 1	SAM3N	SMD/SMT	LQFP-100	ARM Cortex M3	32 kB	32 bit	10 bit	48 MHz	79 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU QFN,Grn, IT, MRL B ATSAM3N1AB-MU Microchip Technology 1: $3.47 276In Stock	Mfr. Part # ATSAM3N1AB-MU Mouser Part # 556-ATSAM3N1AB-MU	Microchip Technology	ARM Microcontrollers - MCU QFN,Grn, IT, MRL B Learn More about Microchip Technology microchip sam3n mcu	Datasheet	276In Stock	$3.47 $3.14 $2.88 $2.87	Min.: 1 Mult.: 1	SAM3N	SMD/SMT	QFN-48	ARM Cortex M3	64 kB	32 bit	10 bit	48 MHz	32 I/O	4 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG232F1024G-E-QFP64 Silicon Labs 1: $16.60 678In Stock	Mfr. Part # EFM32GG232F1024G-E-QFP64 Mouser Part # 634-32GG232F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	678In Stock	$16.60 $13.00 $12.10 $11.11 View $11.01 $10.21 $10.20 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	TQFP-64	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	53 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x18 LCD, AES EFM32GG940F1024G-E-QFN64 Silicon Labs 1: $18.97 302In Stock	Mfr. Part # EFM32GG940F1024G-E-QFN64 Mouser Part # 634-32GG940F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x18 LCD, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	302In Stock	$18.97 $15.63 $13.97 $13.42 View $12.79 $12.20 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	QFN-64	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	52 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG108F32-D-QFN24R Silicon Labs 1: $4.90 1,011In Stock	Mfr. Part # EFM32TG108F32-D-QFN24R Mouser Part # 634-EFM32TG108F32-DR	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	1,011In Stock	Cut Tape $4.90 $3.73 $3.44 $3.12 View Reel $2.80 $2.97 $2.87 $2.84 $2.80 Quote 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 128k Flash, 16k RAM, AES EFM32G230F128G-E-QFN64 Silicon Labs 1: $8.07 1,605In Stock	Mfr. Part # EFM32G230F128G-E-QFN64 Mouser Part # 634-32G230F128GQFN64	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	1,605In Stock	$8.07 $6.22 $5.76 $5.25 View $4.87 $4.86 $4.72 $4.49	Min.: 1 Mult.: 1		SMD/SMT	QFN-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	56 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G280F128G-E-QFP100R Silicon Labs 1: $8.87 860In Stock	Mfr. Part # EFM32G280F128G-E-QFP100R Mouser Part # 634-32G28128GEFP100R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	860In Stock	Cut Tape $8.87 $6.87 $6.34 $5.82 Reel $5.26 View $5.56 $5.40 $4.98	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	86 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape