.hide-partial { max-height: none; } .show-more { display: none; }

ARM Cortex M3 Core ARM Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,293

Applied Filters:

Core = ARM Cortex M3

Manufacturer

Series

Mounting Style

Package / Case

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

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 Cortex M3 32-Bit 1Mbyte Flash 72 MHz STM32F103ZGT6 STMicroelectronics 1: $17.86 4,737In Stock	Mfr. Part # STM32F103ZGT6 Mouser Part # 511-STM32F103ZGT6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 32-Bit 1Mbyte Flash 72 MHz Learn More about STMicroelectronics stm32f1	Datasheet	4,737In Stock	$17.86 $14.04 $12.52 $11.92 View $11.60 $10.88 $10.65 Quote	Min.: 1 Mult.: 1	STM32F103ZG	SMD/SMT	LQFP-144	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 32-Bit ARM Cortex 128kb Connectivity STM32F105RBT6TR STMicroelectronics 1: $8.87 9,128In Stock	Mfr. Part # STM32F105RBT6TR Mouser Part # 511-STM32F105RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Connectivity Learn More about STMicroelectronics stm32f1	Datasheet	9,128In Stock	Cut Tape $8.87 $6.87 $6.06 $5.81 Reel $4.70 View $5.69 $5.40 $4.56 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F105RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RCT6 STMicroelectronics 1: $11.30 3,117In Stock	Mfr. Part # STM32F107RCT6 Mouser Part # 511-STM32F107RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3,117In Stock	$11.30 $8.82 $7.82 $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 # STM32F205RBT6 Mouser Part # 511-STM32F205RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB Learn More about STMicroelectronics stm32f2	Datasheet	3,495In Stock	$10.58 $8.24 $7.54 $6.82 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 # STM32L100C6U6A Mouser Part # 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 $2.89 Quote	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 # TLE9879QTW40XUMA1 Mouser Part # 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 $5.39 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 # LPC1756FBD80Y Mouser Part # 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: $17.96 3,481In Stock	Mfr. Part # LPC1768FBD100K Mouser Part # 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	$17.96 $14.27 $12.79 $12.33 View $11.59 $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 # LPC1768FET100Y Mouser Part # 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 $10.29 $11.43 $11.01 $10.29 Quote 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 # LPC1769FBD100K Mouser Part # 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 $12.52 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: $25.72 5,157In Stock	Mfr. Part # LPC1788FBD208K Mouser Part # 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	5,157In Stock	$25.72 $20.67 $18.64 $17.57 View $17.49 $17.25	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: $23.75 1,514In Stock	Mfr. Part # LPC1857FET256,551 Mouser Part # 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	$23.75 $19.04 $16.64 $16.14 $15.52	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 128K Flash, 36K SRAM 32-bit ARM Cortex M3 ATSAM3U2CA-AU Microchip Technology 1: $6.26 287In Stock	Mfr. Part # ATSAM3U2CA-AU Mouser Part # 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 $5.17	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 # ATSAM3U4EA-AU Mouser Part # 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 $8.39 $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 # ATSAM3X4CA-AU Mouser Part # 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 10/27/2026	Mfr. Part # ATSAM3X8EA-AU Mouser Part # 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 10/27/2026	$13.15 $11.96 $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 # ATSAM3X8EA-CU Mouser Part # 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 # EFM32G230F128G-E-QFN64R Mouser Part # 634-32G230128GQFN64R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	1,309In Stock	Cut Tape $8.06 $6.21 $5.75 $5.24 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 # EFM32GG230F1024G-E-QFN64 Mouser Part # 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 $11.82 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 # EFM32GG230F512G-E-QFN64 Mouser Part # 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 $8.74 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: $13.67 410In Stock	Mfr. Part # EFM32GG230F512G-E-QFN64R Mouser Part # 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 $13.67 $10.89 $9.88 $9.24 View Reel $7.99 $9.19 $8.84 $8.73 $7.99 Quote	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: $18.32 963In Stock	Mfr. Part # EFM32GG330F1024G-E-QFN64R Mouser Part # 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 $18.32 $14.52 $13.57 $12.52 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: $19.17 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	$19.17 $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 1/8/2027	Mfr. Part # EFM32GG990F1024G-E-BGA112R Mouser Part # 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 1/8/2027	Cut Tape $21.43 $17.15 $15.72 $14.80 $14.70 Reel $13.17 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 # EFM32LG330F256G-F-QFN64 Mouser Part # 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