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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 Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103RGT6TR STMicroelectronics 1: $15.72 2,000In Stock 2,000Expected 11/28/2026	Mfr. Part # STM32F103RGT6TR Mouser Part # 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	2,000In Stock 2,000Expected 11/28/2026	Cut Tape $15.72 $12.34 $11.24 $10.57 View Reel $8.83 $10.37 $9.77 $8.83 Quote 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
ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin STM32F103VET6 STMicroelectronics 1: $11.09 26,072In Stock	Mfr. Part # STM32F103VET6 Mouser Part # 511-STM32F103VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	26,072In Stock	$11.09 $9.23 $8.20 $7.84 View $7.71 $7.50 $7.40 Quote	Min.: 1 Mult.: 1	STM32F103VE	SMD/SMT	LQFP-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 Mainstream ARM M3 1Mb 72 MHz USB CAN STM32F103VGT6 STMicroelectronics 1: $13.26 11,012In Stock	Mfr. Part # STM32F103VGT6 Mouser Part # 511-STM32F103VGT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	11,012In Stock	$13.26 $10.74 $10.13 $9.80 View $9.44 $9.31 $8.73	Min.: 1 Mult.: 1	STM32F103VG	SMD/SMT	LQFP-100	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 512KB Perform Line STM32F103ZEH7 STMicroelectronics 1: $16.21 2,525In Stock	Mfr. Part # STM32F103ZEH7 Mouser Part # 511-STM32F103ZEH7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line Learn More about STMicroelectronics stm32f1	Datasheet	2,525In Stock	$16.21 $12.75 $11.60 $10.93 View $10.58 $10.29 $9.31 Quote	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	+ 105 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G222F128G-E-QFP48R Silicon Labs 1: $7.73 3,414In Stock	Mfr. Part # EFM32G222F128G-E-QFP48R Mouser Part # 634-32G222128GEFP48R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	3,414In Stock	Cut Tape $7.73 $5.96 $5.50 $5.03 Reel $4.51 View $4.66 $4.29	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	TQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	37 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM STM32F103VBT6TR STMicroelectronics 1: $9.78 8,732In Stock	Mfr. Part # STM32F103VBT6TR Mouser Part # 511-STM32F103VBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	8,732In Stock	Cut Tape $9.78 $7.60 $6.72 $6.45 Reel $5.22 View $6.34 $5.98 $5.16 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103VB	SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	100 I/O	20 kB	2 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 STM32L152VET6 STMicroelectronics 1: $12.48 2,242In Stock	Mfr. Part # STM32L152VET6 Mouser Part # 511-STM32L152VET6	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	2,242In Stock	$12.48 $9.37 $8.63 $8.34 View $7.91 $7.35 $7.34	Min.: 1 Mult.: 1	STM32L152VE	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 256kB flash, 64kB SRAM, USB, LQFP100 package LPC1765FBD100K NXP Semiconductors 1: $14.43 5,500In Stock	Mfr. Part # LPC1765FBD100K Mouser Part # 771-LPC1765FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	5,500In Stock	$14.43 $11.56 $10.74 $10.34 View $9.71 $9.48 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	100 MHz	70 I/O	64 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, TFBGA100 package LPC1768FET100,551 NXP Semiconductors 1: $17.96 6,533In Stock	Mfr. Part # LPC1768FET100,551 Mouser Part # 771-LPC1768FET100551	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, TFBGA100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	6,533In Stock	$17.96 $14.27 $12.79 $12.33 View $11.83 $11.31 $10.90 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT	TFBGA-100	ARM Cortex M3	512 kB	32 bit	12 bit	100 MHz	70 I/O	64 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1857JBD208E NXP Semiconductors 1: $21.40 968In Stock	Mfr. Part # LPC1857JBD208E Mouser Part # 771-LPC1857JBD208E	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	968In Stock	$21.40 $19.28 $16.80 $16.03 View $15.84 $15.46	Min.: 1 Mult.: 1	LPC185x	SMD/SMT	LQFP-208	ARM Cortex M3	1 MB	32 bit	2 x 10 bit	180 MHz	142 I/O	136 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG210F32-D-QFN32 Silicon Labs 1: $5.39 1,674In Stock	Mfr. Part # EFM32TG210F32-D-QFN32 Mouser Part # 634-EFM32TG210F32-D	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	1,674In Stock	$5.39 $4.24 $3.79 $3.54 View $3.27 $3.18 $3.17	Min.: 1 Mult.: 1	EFM32TG	SMD/SMT	QFN-32	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	24 I/O	4 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower STM32L151CBT6 STMicroelectronics 1: $8.31 10,299In Stock NRND	Mfr. Part # STM32L151CBT6 Mouser Part # 511-STM32L151CBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower Learn More about STMicroelectronics stm32l1	Datasheet	10,299In Stock	$8.31 $6.42 $5.66 $5.42 View $5.18 $5.02 $4.57 $4.47 Quote	Min.: 1 Mult.: 1	STM32L151CB	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 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 BGA100,GREEN IND TEMP, MRLA ATSAM3X8CA-CU Microchip Technology 1: $11.92 256In Stock	Mfr. Part # ATSAM3X8CA-CU Mouser Part # 556-ATSAM3X8CA-CU	Microchip Technology	ARM Microcontrollers - MCU BGA100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3x mcu	Datasheet	256In Stock	$11.92 $10.83 $9.81 $9.80	Min.: 1 Mult.: 1	SAM3X	SMD/SMT	LFBGA-100	ARM Cortex M3	512 kB	32 bit	12 bit	84 MHz	63 I/O	96 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G232F128G-E-QFP64R Silicon Labs 1: $7.87 549In Stock	Mfr. Part # EFM32G232F128G-E-QFP64R Mouser Part # 634-32G232128GEFP64R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	549In Stock	Cut Tape $7.87 $6.21 $5.71 $5.24 $5.10 Reel $4.47	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	TQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	53 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES EFM32GG380F512G-E-QFP100R Silicon Labs 1: $16.75 2,100In Stock	Mfr. Part # EFM32GG380F512G-E-QFP100R Mouser Part # 634-32GG380F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	2,100In Stock	Cut Tape $16.75 $13.32 $12.13 $11.36 View Reel $9.82 $11.28 $10.62 $9.82	Min.: 1 Mult.: 1 : 1,000	EFM32GG	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	48 MHz	81 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU PSOC 5LP ANALOG LITE, 256K FLASH CY8C5468LTI-LP026 Infineon Technologies 1: $14.57 1,371In Stock	Mfr. Part # CY8C5468LTI-LP026 Mouser Part # 727-CY8C5468LTILP026	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP ANALOG LITE, 256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1,371In Stock	$14.57 $11.48 $10.25 $9.86 View $9.44 $9.07 $8.77	Min.: 1 Mult.: 1	CY8C54LPxxx	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 PSOC 5LP PERFO ANLOG 67MHZ, 64K CY8C5666AXI-LP004 Infineon Technologies 1: $18.73 623In Stock	Mfr. Part # CY8C5666AXI-LP004 Mouser Part # 727-CY8C5666AXILP004	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ, 64K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	623In Stock	$18.73 $14.88 $12.93 $12.53 View $12.51 $11.40 $11.37 Quote	Min.: 1 Mult.: 1	CY8C56LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	64 kB	32 bit	12 bit	67 MHz	72 I/O	16 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024GM48-C Silicon Labs 1: $9.91 982In Stock	Mfr. Part # EFM32JG12B500F1024GM48-C Mouser Part # 634-JG12B500FGM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	982In Stock	$9.91 $7.90 $7.13 $6.71 View $6.38 $6.13 Quote	Min.: 1 Mult.: 1	EFM32JG12	SMD/SMT	QFN-48	ARM Cortex M3	1.02 MB	32 bit	12 bit	40 MHz	33 I/O	256 kB	1.8 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5467AXI-LP108 Infineon Technologies 1: $14.57 861In Stock	Mfr. Part # CY8C5467AXI-LP108 Mouser Part # 727-CY8C5467AXILP108	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	861In Stock	$14.57 $11.48 $9.92 $9.59 View $9.28 $8.35	Min.: 1 Mult.: 1	CY8C54LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz	72 I/O	32 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU MM-LEGACY MM CY9BF618TPMC-GK7E1 Infineon Technologies 1: $18.89 280In Stock	Mfr. Part # CY9BF618TPMC-GK7E1 Mouser Part # 727-C9BF618TPMCGK7E1	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY MM	Datasheet	280In Stock	$18.89 $15.26 $14.63 $12.89 View $12.30 $11.68 Quote	Min.: 1 Mult.: 1	MB9B610T	SMD/SMT	LQFP-176	ARM Cortex M3	1 MB	32 bit	12 bit	144 MHz	154 I/O	128 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5288LTI-LP090 Infineon Technologies 1: $14.80 253In Stock 520Expected 11/20/2026	Mfr. Part # CY8C5288LTI-LP090 Mouser Part # 727-CY8C5288LTILP090	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	253In Stock 520Expected 11/20/2026	$14.80 $11.68 $10.42 $10.03 View $9.61 $9.15 $8.93 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	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
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A ATSAM3A4CA-AU Microchip Technology 1: $10.81 334In Stock	Mfr. Part # ATSAM3A4CA-AU Mouser Part # 556-ATSAM3A4CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3a mcu	Datasheet	334In Stock	$10.81 $10.53 $9.90 $9.87 $9.19	Min.: 1 Mult.: 1	SAM3A	SMD/SMT	LQFP-100	ARM Cortex M3	256 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 LQFP,Green,IND TEMP,MRL B ATSAM3S1BB-AU Microchip Technology 1: $3.85 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATSAM3S1BB-AU Mouser Part # 556-ATSAM3S1BB-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL B Learn More about Microchip Technology microchip sam3s mcu	Datasheet	Non-Stocked Lead-Time 12 Weeks	$3.85 $3.53 $3.19	Min.: 1 Mult.: 1	SAM3S	SMD/SMT	QFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	64 MHz	47 I/O	16 kB	1.62 V	1.9 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB EFM32LG230F128G-F-QFN64R Silicon Labs 1: $9.89 2,650In Stock	Mfr. Part # EFM32LG230F128G-F-QFN64R Mouser Part # 634-32LG230F128GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	2,650In Stock	Cut Tape $9.89 $7.69 $7.14 $6.54 View Reel $5.61 $6.20 $6.08 $5.94 $5.61 Quote	Min.: 1 Mult.: 1 : 3,000	EFM32LG	SMD/SMT	QFN-64	ARM Cortex M3	128 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