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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 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RCT6 STMicroelectronics 1: $11.30 3,117In Stock	Mfr. Part No. STM32F107RCT6 Mouser Part No 511-STM32F107RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3,117In Stock	$11.30 $8.83 $7.83 $7.33 View $6.93 $6.83	Min.: 1 Mult.: 1	STM32F107RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 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 ARM Cortex M3 Connectivity 128kB STM32F205RBT6 STMicroelectronics 1: $10.58 3,495In Stock	Mfr. Part No. STM32F205RBT6 Mouser Part No 511-STM32F205RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB Learn More about STMicroelectronics stm32f2	Datasheet	3,495In Stock	$10.58 $8.25 $7.54 $6.83 View $6.57 $5.94 $5.79 Quote	Min.: 1 Mult.: 1	STM32F205RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	120 MHz	51 I/O	64 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP STM32L100C6U6A STMicroelectronics 1: $5.22 7,436In Stock	Mfr. Part No. STM32L100C6U6A Mouser Part No 511-STM32L100C6U6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP Learn More about STMicroelectronics stm32l1	Datasheet	7,436In Stock	$5.22 $3.97 $3.47 $3.31 View $3.14 $3.01 $2.93 $2.90 $2.83	Min.: 1 Mult.: 1	STM32L100C6-A	SMD/SMT	UFQFPN-48	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	4 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU EMBEDDED_POWER TLE9879QTW40XUMA1 Infineon Technologies 1: $8.35 5,611In Stock	Mfr. Part No. TLE9879QTW40XUMA1 Mouser Part No 726-TLE9879QTW40XUMA	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon tle987	Datasheet	5,611In Stock	Cut Tape $8.35 $6.45 $5.70 $5.40 View Reel $4.55 $5.26 $4.84 $4.79 $4.55 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TLE987x	SMD/SMT	TQFP-48	ARM Cortex M3	128 kB	32 bit	10 bit	40 MHz	10 I/O	6 kB	5.5 V	27 V	- 40 C	+ 175 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1756FBD80Y NXP Semiconductors 1: $13.99 2,432In Stock	Mfr. Part No. LPC1756FBD80Y Mouser Part No 771-LPC1756FBD80Y	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	2,432In Stock	Cut Tape $13.99 $10.63 $10.19 $8.98 $8.72 Reel $7.40	Min.: 1 Mult.: 1 : 1,000	LPC1700	SMD/SMT	LQFP-80	ARM Cortex M3	256 kB	32 bit	12 bit	100 MHz	52 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package LPC1768FBD100K NXP Semiconductors 1: $17.97 3,481In Stock	Mfr. Part No. LPC1768FBD100K Mouser Part No 771-LPC1768FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	3,481In Stock	$17.97 $14.27 $12.79 $12.33 View $11.60 $11.58 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT		ARM Cortex M3	512 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 LPC1768FET100Y NXP Semiconductors 1: $16.94 2,231In Stock	Mfr. Part No. LPC1768FET100Y Mouser Part No 771-LPC1768FET100Y	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, TFBGA100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	2,231In Stock	Cut Tape $16.94 $13.42 $12.00 $11.57 View Reel $10.34 $11.43 $11.01 $10.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package LPC1769FBD100K NXP Semiconductors 1: $18.69 7,489In Stock	Mfr. Part No. LPC1769FBD100K Mouser Part No 771-LPC1769FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	7,489In Stock	$18.69 $14.86 $12.92 $12.53 View $12.01 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	70 I/O	64 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1788FBD208K NXP Semiconductors 1: $25.73 5,127In Stock	Mfr. Part No. LPC1788FBD208K Mouser Part No 771-LPC1788FBD208K	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxplpc1778lpc1788	Datasheet	5,127In Stock	$25.73 $20.68 $18.64 $17.57 View $17.49 $17.26	Min.: 1 Mult.: 1	LPC1700	SMD/SMT	LQFP-208	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 1 MB flash, 136 kB SRAM, two High-speed USB, Ethernet, LCD, LBGA256 package LPC1857FET256,551 NXP Semiconductors 1: $23.76 1,514In Stock	Mfr. Part No. LPC1857FET256,551 Mouser Part No 771-LPC1857FET256551	NXP Semiconductors	ARM Microcontrollers - MCU 1 MB flash, 136 kB SRAM, two High-speed USB, Ethernet, LCD, LBGA256 package Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	1,514In Stock	$23.76 $19.04 $16.64 $16.14 $15.53	Min.: 1 Mult.: 1	LPC185x	SMD/SMT	LBGA-256	ARM Cortex M3	1 MB	32 bit	2 x 10 bit	180 MHz	164 I/O	136 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32B Cortex-M3 LCD 384Kb Flsh 32MHz CPU STM32L162VCH6 STMicroelectronics 1: $10.99 190In Stock	Mfr. Part No. STM32L162VCH6 Mouser Part No 511-STM32L162VCH6	STMicroelectronics	ARM Microcontrollers - MCU 32B Cortex-M3 LCD 384Kb Flsh 32MHz CPU Learn More about STMicroelectronics stm32l1	Datasheet	190In Stock	$10.99 $8.55 $7.87 $7.18 View $6.61 $6.44 $6.06 Quote	Min.: 1 Mult.: 1	STM32L162VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	83 I/O	32 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Cortex-M3 MCU 128 Kbytes of Flash , RTC, LCD, USB STM32L152VBT6ATR STMicroelectronics 1: $9.20 185In Stock	Mfr. Part No. STM32L152VBT6ATR Mouser Part No 511-STM32L152VBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Cortex-M3 MCU 128 Kbytes of Flash , RTC, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	185In Stock	Cut Tape $9.20 $7.13 $6.30 $6.04 Reel $5.47 View $5.98 $5.61 $5.12 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32L152VB-A	SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	83 I/O	16 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 ATSAM3U2CA-AU Microchip Technology 1: $6.26 287In Stock	Mfr. Part No. ATSAM3U2CA-AU Mouser Part No 556-ATSAM3U2CA-AU	Microchip Technology	ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	287In Stock	$6.26 $5.69 $5.18	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	96 MHz	57 I/O	36 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 ATSAM3U4EA-AU Microchip Technology 1: $9.21 1,650In Stock	Mfr. Part No. ATSAM3U4EA-AU Mouser Part No 556-ATSAM3U4EA-AU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	1,650In Stock	$9.21 $8.40 $7.59	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	96 MHz	96 I/O	52 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A ATSAM3X4CA-AU Microchip Technology 1: $11.00 160In Stock	Mfr. Part No. ATSAM3X4CA-AU Mouser Part No 556-ATSAM3X4CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3x mcu	Datasheet	160In Stock	$11.00 $10.01 $9.05	Min.: 1 Mult.: 1	SAM3X	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 LQFP144,GREEN IND TEMP, MRLA ATSAM3X8EA-AU Microchip Technology 1: $13.15 427In Stock 600Expected 2026/10/27	Mfr. Part No. ATSAM3X8EA-AU Mouser Part No 556-ATSAM3X8EA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP144,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3x mcu	Datasheet	427In Stock 600Expected 2026/10/27	$13.15 $11.97 $10.83	Min.: 1 Mult.: 1	SAM3X	SMD/SMT	LQFP-144	ARM Cortex M3	512 kB	32 bit	12 bit	84 MHz	103 I/O	96 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU BGA144,GREEN IND TEMP, MRLA ATSAM3X8EA-CU Microchip Technology 1: $12.85 920In Stock	Mfr. Part No. ATSAM3X8EA-CU Mouser Part No 556-ATSAM3X8EA-CU	Microchip Technology	ARM Microcontrollers - MCU BGA144,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3x mcu	Datasheet	920In Stock	$12.85 $11.69 $10.59	Min.: 1 Mult.: 1	SAM3X	SMD/SMT	LFBGA-144	ARM Cortex M3	512 kB	32 bit	12 bit	84 MHz	103 I/O	96 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G230F128G-E-QFN64R Silicon Labs 1: $8.06 1,309In Stock	Mfr. Part No. EFM32G230F128G-E-QFN64R Mouser Part No 634-32G230128GQFN64R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	1,309In Stock	Cut Tape $8.06 $6.21 $5.76 $5.25 View Reel $4.48 $4.86 $4.85 $4.71 $4.48	Min.: 1 Mult.: 1 : 3,000		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	Reel, Cut Tape
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG230F1024G-E-QFN64 Silicon Labs 1: $17.28 941In Stock	Mfr. Part No. EFM32GG230F1024G-E-QFN64 Mouser Part No 634-32GG230F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	941In Stock	$17.28 $13.70 $12.80 $11.83 View $11.27 $11.07 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	QFN-64	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	56 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES EFM32GG230F512G-E-QFN64 Silicon Labs 1: $14.33 494In Stock	Mfr. Part No. EFM32GG230F512G-E-QFN64 Mouser Part No 634-32GG230F512-E	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	494In Stock	$14.33 $11.22 $10.44 $9.59 View $9.50 $8.94 $8.75 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	QFN-64	ARM Cortex M3	512 kB	32 bit	12 bit	48 MHz	56 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES EFM32GG230F512G-E-QFN64R Silicon Labs 1: $13.68 410In Stock	Mfr. Part No. EFM32GG230F512G-E-QFN64R Mouser Part No 634-32GG230F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	410In Stock	Cut Tape $13.68 $10.90 $9.89 $9.25 View Reel $8.07 $9.19 $8.84 $8.73 $8.07	Min.: 1 Mult.: 1 : 3,000	EFM32GG	SMD/SMT	QFN-64	ARM Cortex M3	512 kB	32 bit	12 bit	48 MHz	56 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG330F1024G-E-QFN64R Silicon Labs 1: $18.33 963In Stock	Mfr. Part No. EFM32GG330F1024G-E-QFN64R Mouser Part No 634-32GG330F1024-E-T	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	963In Stock	Cut Tape $18.33 $14.53 $13.57 $12.53 View Reel $11.73 $11.94 $11.73 $11.73 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x18 LCD, AES EFM32GG940F1024G-E-QFN64 Silicon Labs 1: $19.18 302In Stock	Mfr. Part No. EFM32GG940F1024G-E-QFN64 Mouser Part No 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	$19.18 $15.20 $14.20 $13.11 View $12.50 $12.28 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 1024k Flash, 128k RAM, USB, 8x34 LCD, AES EFM32GG990F1024G-E-BGA112R Silicon Labs 1: $21.43 371In Stock 1,000Expected 2027/01/08	Mfr. Part No. EFM32GG990F1024G-E-BGA112R Mouser Part No 634-32GG990F1024-E-T	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x34 LCD, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	371In Stock 1,000Expected 2027/01/08	Cut Tape $21.43 $17.15 $15.72 $14.80 $14.70 Reel $13.18 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	EFM32GG	SMD/SMT	BGA-112	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	86 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG330F256G-F-QFN64 Silicon Labs 1: $12.07 1,407In Stock	Mfr. Part No. EFM32LG330F256G-F-QFN64 Mouser Part No 634-32LG330F256GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,407In Stock	$12.07 $9.70 $8.83 $8.27 View $8.02 $7.65 $7.27 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	QFN-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray