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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 Hi-perf ARM Cortex M3 MCU 1 Mb STM32F205RGT7 STMicroelectronics 1: $13.92 3,972In Stock	Mfr. Part # STM32F205RGT7 Mouser Part # 511-STM32F205RGT7	STMicroelectronics	ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 1 Mb Learn More about STMicroelectronics stm32f2	Datasheet	3,972In Stock	$13.92 $11.49 $10.72 $10.17 View $10.02 $9.72 $9.69	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	+ 105 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCU6 STMicroelectronics 1: $6.40 4,114In Stock	Mfr. Part # STM32L151CCU6 Mouser Part # 511-STM32L151CCU6	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	4,114In Stock	$6.40 $5.18 $4.88 $4.55 View $4.40 $4.36 $4.35	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5287AXI-LP095 Infineon Technologies 1: $14.44 10,582In Stock	Mfr. Part # CY8C5287AXI-LP095 Mouser Part # 727-CY8C5287AXILP095	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	10,582In Stock	$14.44 $11.72 $10.38 $10.03 View $9.16 $8.59 $8.38 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	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
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 2,241In 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	2,241In 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 5,650In 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	5,650In 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 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 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
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA ATSAM3X8CA-AU Microchip Technology 1: $11.25 1,101In Stock	Mfr. Part # ATSAM3X8CA-AU Mouser Part # 556-ATSAM3X8CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3x mcu	Datasheet	1,101In Stock	$11.25 $10.25 $10.13 $9.27	Min.: 1 Mult.: 1	SAM3X	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 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 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 LQFP, Grn, IT, MRL B ATSAM3U1CB-AU Microchip Technology 1: $4.40 348In Stock	Mfr. Part # ATSAM3U1CB-AU Mouser Part # 556-ATSAM3U1CB-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP, Grn, IT, MRL B Learn More about Microchip Technology microchip sam3u mcus	Datasheet	348In Stock	$4.40 $4.00 $3.99 $3.62	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LQFP-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 Lumentum Part to Reserve Buffer Die ADUCM320BBCZ-RL Analog Devices 1: $25.43 1,588In Stock	Mfr. Part # ADUCM320BBCZ-RL Mouser Part # 584-ADUCM320BBCZ-RL	Analog Devices	ARM Microcontrollers - MCU Lumentum Part to Reserve Buffer Die Learn More about Analog Devices adi microcontrollers	Datasheet	1,588In Stock	Cut Tape $25.43 $24.87 $24.33 $23.84 View $23.48 $23.12 $22.78 $22.44 MouseReel Available	Min.: 1 Mult.: 1	ADUCM320	SMD/SMT	BGA-96	ARM Cortex M3	256 kB	32 bit	14 bit	80 MHz	40 I/O	32 kB	2.9 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE ADUCM362BCPZ256 Analog Devices 1: $28.19 741In Stock	Mfr. Part # ADUCM362BCPZ256 Mouser Part # 584-ADUCM362BCPZ256	Analog Devices	ARM Microcontrollers - MCU Cortex M3 + 24K/256K + Dual 24bit SD AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	741In Stock	$28.19 $24.63 $20.57 $20.40 View $19.60 Quote	Min.: 1 Mult.: 1	ADUCM362	SMD/SMT	LFCSP-48	ARM Cortex M3	256 kB	32 bit	24 bit	16 MHz	19 I/O	24 kB	1.8 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5266FNI-LP205T Infineon Technologies 1: $15.65 698In Stock	Mfr. Part # CY8C5266FNI-LP205T Mouser Part # 727-CY8C5266FNLP205T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	698In Stock	Cut Tape $15.65 $11.89 $11.40 $10.05 View Reel $8.59 $9.59 $9.23 $8.59 Quote	Min.: 1 Mult.: 1 : 2,000	CY8C5266	SMD/SMT	WLCSP-99	ARM Cortex M3	64 kB	32 bit	12 bit	80 MHz	62 I/O	16 kB	1.71 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
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 11/9/2026	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 11/9/2026	$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 Scalable Mainstream 32-bit Microcontroller based on ARM Cortex-M3 LPC1768UKZ NXP Semiconductors 1: $15.51 1,319In Stock 4,000Expected 4/12/2027	Mfr. Part # LPC1768UKZ Mouser Part # 771-LPC1768UKZ	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	1,319In Stock 4,000Expected 4/12/2027	Cut Tape $15.51 $11.79 $11.30 $9.95 View Reel $9.31 $9.47 $9.31 $9.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	LPC1700	SMD/SMT	WLCSP-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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSOC5LP CY8C5667AXQ-LP040 Infineon Technologies 1: $21.69 170In Stock	Mfr. Part # CY8C5667AXQ-LP040 Mouser Part # 727-CY8C5667AXQLP040	Infineon Technologies	ARM Microcontrollers - MCU PSOC5LP Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	170In Stock	$21.69 $17.53 $16.80 $14.80 View $13.51 $12.96 $12.79 Quote	Min.: 1 Mult.: 1		SMD/SMT	TQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz	62 I/O	32 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG395F1024G-E-BGA120 Silicon Labs 1: $20.90 1,162In Stock NRND	Mfr. Part # EFM32GG395F1024G-E-BGA120 Mouser Part # 634-32GG395F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	1,162In Stock	$20.90 $16.95 $15.52 $14.61 View $13.94 $13.63 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	BGA-120	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	93 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP144 TMPM3HQF10BFG Toshiba 1: $14.84 1,194In Stock	Mfr. Part # TMPM3HQF10BFG Mouser Part # 757-TMPM3HQF10BFG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP144 Learn More about Toshiba tmpm3h arm microcontrollers		1,194In Stock	$14.84 $12.30 $10.96 $10.73 View $10.27 $9.69 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-144	ARM Cortex M3		32 bit	12 bit	120 MHz	134 I/O	130 kB	2.7 V	5.5 V	- 40 C	+ 105 C	Tray