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ARM Cortex M3 Core 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.	Mounting Style	Package / Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Packaging
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	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	32 MHz	256 kB	32 kB	12 bit	83 I/O	1.65 V	3.6 V	+ 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	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	48 MHz	32 kB	8 kB	10 bit	79 I/O	1.8 V	3.6 V	+ 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	SMD/SMT	QFN-48	ARM Cortex M3	32 bit	48 MHz	64 kB	4 kB	10 bit	32 I/O	1.62 V	1.95 V	+ 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	SMD/SMT	TQFP-64	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	53 I/O	1.98 V	3.8 V	+ 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	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	1.02 MB	128 kB	12 bit	52 I/O	1.98 V	3.8 V	+ 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	SMD/SMT	QFN-24	ARM Cortex M3	32 bit	32 MHz	32 kB	4 kB	12 bit	17 I/O	1.98 V	3.8 V	+ 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	32 bit	32 MHz	128 kB	16 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 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	32 bit	32 MHz	128 kB	16 kB	12 bit	86 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB EFM32LG230F128G-F-QFN64 Silicon Labs 1: $9.90 1,814In Stock	Mfr. Part # EFM32LG230F128G-F-QFN64 Mouser Part # 634-32LG230F128GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 128KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,814In Stock	$9.90 $7.70 $7.15 $6.55 View $6.21 $6.09 $5.95 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M3	32 bit	48 MHz	128 kB	32 kB	12 bit	56 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 64k Flash, 16k RAM, No AES EFM32G200F64G-E-QFN32 Silicon Labs 1: $5.80 2,381In Stock	Mfr. Part # EFM32G200F64G-E-QFN32 Mouser Part # 634-32G200F64GEQFN32	Silicon Labs	ARM Microcontrollers - MCU 64k Flash, 16k RAM, No AES	Datasheet	2,381In Stock	$5.80 $4.42 $4.08 $3.69 View $3.51 $3.40 $3.36 $3.32	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M3	32 bit	32 MHz	64 kB	16 kB	12 bit	24 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 64k Flash, 16k RAM, 4x40 LCD, AES EFM32G880F64G-E-QFP100R Silicon Labs 1: $8.22 1,439In Stock	Mfr. Part # EFM32G880F64G-E-QFP100R Mouser Part # 634-32G880F64EFP100R	Silicon Labs	ARM Microcontrollers - MCU 64k Flash, 16k RAM, 4x40 LCD, AES	Datasheet	1,439In Stock	Cut Tape $8.22 $6.34 $5.87 $5.35 Reel $4.79 View $4.95 $4.56	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	32 MHz	64 kB	16 kB	12 bit	86 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG222F32-D-QFP48R Silicon Labs 1: $5.80 1,840In Stock End of Life	Mfr. Part # EFM32TG222F32-D-QFP48R Mouser Part # 634-EFM32TG222F32-DR End of Life	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	1,840In Stock	Cut Tape $5.80 $4.42 $4.08 $3.69 Reel $3.35 View $3.51 $3.40 $3.31 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	QFP-48	ARM Cortex M3	32 bit	32 MHz	32 kB	4 kB	12 bit	37 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 80Mhz Cortex M3 wi 14Bit Analog for CFP ADUCM320BBCZI Analog Devices 1: $25.43 166In Stock	Mfr. Part # ADUCM320BBCZI Mouser Part # 584-ADUCM320BBCZI	Analog Devices	ARM Microcontrollers - MCU 80Mhz Cortex M3 wi 14Bit Analog for CFP Learn More about Analog Devices adi microcontrollers	Datasheet	166In Stock	$25.43 $24.87 $24.33 $23.84 View $23.48 $23.12 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-96	ARM Cortex M3	32 bit	80 MHz	256 kB	32 kB	14 bit	40 I/O	2.9 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU Cortex M3 +24K/256K +Single 24bit SD AFE ADUCM363BCPZ256 Analog Devices 1: $21.37 192In Stock	Mfr. Part # ADUCM363BCPZ256 Mouser Part # 584-ADUCM363BCPZ256	Analog Devices	ARM Microcontrollers - MCU Cortex M3 +24K/256K +Single 24bit SD AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	192In Stock	$21.37 $17.76 $15.91 $15.21 View $14.32 Quote	Min.: 1 Mult.: 1	SMD/SMT	LFCSP-48	ARM Cortex M3	32 bit	16 MHz	256 kB	24 kB	24 bit	19 I/O	1.8 V	3.6 V	+ 125 C	Tray
ARM Microcontrollers - MCU LQFP, Grn, IT, MRL a ATSAM3N0BA-AU Microchip Technology 1: $3.59 5In Stock	Mfr. Part # ATSAM3N0BA-AU Mouser Part # 556-ATSAM3N0BA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP, Grn, IT, MRL a Learn More about Microchip Technology microchip sam3n mcu	Datasheet	5In Stock	$3.59 $3.27 $2.96	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	48 MHz	32 kB	8 kB	10 bit	47 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Hi-perf 32-B MCU 16kb RAM Flash TMPM380FYFG Toshiba 1: $9.02 29In Stock	Mfr. Part # TMPM380FYFG Mouser Part # 757-TMPM380FYFG	Toshiba	ARM Microcontrollers - MCU Hi-perf 32-B MCU 16kb RAM Flash Learn More about Toshiba 32 bit arm mcu		29In Stock	$9.02 $6.30 $6.01 $4.55 View $4.54 $4.28 $4.26 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	40 MHz	256 kB	16 kB	12 bit	83 I/O	4 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU 80Mhz Cortex M3 wi 14Bit Analog for CFP ADUCM320BBCZ Analog Devices 1: $25.43 54In Stock	Mfr. Part # ADUCM320BBCZ Mouser Part # 584-ADUCM320BBCZ	Analog Devices	ARM Microcontrollers - MCU 80Mhz Cortex M3 wi 14Bit Analog for CFP Learn More about Analog Devices adi microcontrollers	Datasheet	54In Stock	$25.43 $24.87 $24.33 $23.84 View $23.48 $23.12 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-96	ARM Cortex M3	32 bit	80 MHz	256 kB	32 kB	14 bit	40 I/O	2.9 V	3.6 V	+ 105 C	Tray
RF Microcontrollers - MCU BTBLE IOT DM CYW20730A2KML2G Infineon Technologies 1: $3.34 480In Stock	Mfr. Part # CYW20730A2KML2G Mouser Part # 727-CYW20730A2KML2G	Infineon Technologies	RF Microcontrollers - MCU BTBLE IOT DM Learn More about Infineon Technologies cypress cyw20730 processor	Datasheet	480In Stock	$3.34 $2.49 $2.28 $2.04 View $1.93 $1.86 $1.78 $1.73 $1.70	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M3	32 bit	24 MHz	320 kB	60 kB	16 bit	14 I/O	1.2 V	1.2 V	+ 70 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 LPC18S37JBD144E NXP Semiconductors 1: $24.74 18In Stock 240Expected 7/26/2027	Mfr. Part # LPC18S37JBD144E Mouser Part # 771-LPC18S37JBD144E	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	18In Stock 240Expected 7/26/2027	$24.74 $19.36 $16.93 $15.46 View $15.21 $15.00 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	180 MHz	1 MB	136 kB	10 bit	83 I/O	2.4 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE STM32F103ZCH6 STMicroelectronics 1: $13.20 2In Stock	Mfr. Part # STM32F103ZCH6 Mouser Part # 511-STM32F103ZCH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	2In Stock	$13.20 $9.98 $8.87 $8.28 View $7.92 $7.41 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M3	32 bit	72 MHz	256 kB	64 kB	12 bit	112 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 LPC1548JBD64QL NXP Semiconductors 1: $15.10 14In Stock	Mfr. Part # LPC1548JBD64QL Mouser Part # 771-LPC1548JBD64QL	NXP Semiconductors	ARM Microcontrollers - MCU Motion Control 32-bit Microcontroller based on ARM Cortex-M3 Learn More about NXP Semiconductors nxp lpc1500 series	Datasheet	14In Stock	$15.10 $11.47 $11.00 $8.94 View $8.64 $8.50 $8.36 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	72 MHz	128 kB	20 kB	2 x 12 bit	44 I/O	2.4 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1817JBD144E NXP Semiconductors 1: $23.73 11In Stock	Mfr. Part # LPC1817JBD144E Mouser Part # 771-LPC1817JBD144E	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	11In Stock	$23.73 $19.18 $16.06 $15.52	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	180 MHz	1 MB	136 kB	2 x 10 bit	83 I/O	2.4 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1853JBD208E NXP Semiconductors 1: $24.75 36In Stock	Mfr. Part # LPC1853JBD208E Mouser Part # 771-LPC1853JBD208E	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	36In Stock	$24.75 $19.36 $18.49 $15.77 View $15.48 $15.25 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-208	ARM Cortex M3	32 bit	180 MHz	512 kB	136 kB	2 x 10 bit	142 I/O	2.4 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU 16-bit, Low Power Sensor Micro ADUCM355BCCZ-RL7 Analog Devices 1: $26.38 510In Stock	Mfr. Part # ADUCM355BCCZ-RL7 Mouser Part # 584-ADUCM355BCCZ-RL7	Analog Devices	ARM Microcontrollers - MCU 16-bit, Low Power Sensor Micro Learn More about Analog Devices aducm355 analog mcus	Datasheet	510In Stock	Cut Tape $26.38 $21.98 $19.77 $19.50 View $19.20 $18.76 $17.36 Quote	Min.: 1 Mult.: 1	SMD/SMT	LGA-72	ARM Cortex M3	32 bit	26 MHz	128 kB	64 kB	16 bit		2.8 V	3.6 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1810FBD144,551 NXP Semiconductors 1: $15.95 60In Stock	Mfr. Part # LPC1810FBD144,551 Mouser Part # 771-LPC1810FBD144551	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	60In Stock	$15.95 $12.12 $11.62 $10.23 View $9.73 $9.41 $9.11 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	32 bit	180 MHz	0 B	200 kB	10 bit	83 I/O	2.2 V	3.6 V	+ 85 C	Tray