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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 32-bit ARM Cortex-M3 flashless MCU with security features; 136 kB SRAM; EMC LPC18S10FBD144E NXP Semiconductors 1: $13.51 60In Stock	Mfr. Part No. LPC18S10FBD144E Mouser Part No 771-LPC18S10FBD144E	NXP Semiconductors	ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 flashless MCU with security features; 136 kB SRAM; EMC Learn More about NXP Semiconductors nxp lpc18sx mcu	Datasheet	60In Stock	$13.51 $12.49 $11.26 $9.03 $8.49	Min.: 1 Mult.: 1	LPC18Sxx	SMD/SMT	LQFP-144	ARM Cortex M3	0 B	32 bit	10 bit	180 MHz	83 I/O	136 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F100RCT6TR STMicroelectronics 1: $9.25 121In Stock NRND	Mfr. Part No. STM32F100RCT6TR Mouser Part No 511-STM32F100RCT6TR NRND	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	121In Stock	Cut Tape $9.25 $6.94 $6.62 $5.75 Reel $4.78 View $5.54 $5.20 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F1	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	51 I/O	24 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb Low Power MCU STM32L151C6T6 STMicroelectronics 1: $7.45 311In Stock NRND	Mfr. Part No. STM32L151C6T6 Mouser Part No 511-STM32L151C6T6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 32kb Low Power MCU Learn More about STMicroelectronics stm32l1	Datasheet	311In Stock	$7.45 $5.57 $5.07 $4.61 View $4.39 $4.07 $4.02	Min.: 1 Mult.: 1	STM32L151C6	SMD/SMT		ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	10 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower STM32L151CBT6 STMicroelectronics 1: $8.31 299In Stock NRND	Mfr. Part No. STM32L151CBT6 Mouser Part No 511-STM32L151CBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower Learn More about STMicroelectronics stm32l1	Datasheet	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 32-Bit ARM Cortex 128kb Low Power MCU STM32L151RBT6TR STMicroelectronics 1: $10.01 28In Stock NRND	Mfr. Part No. STM32L151RBT6TR Mouser Part No 511-STM32L151RBT6TR NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Low Power MCU Learn More about STMicroelectronics stm32l1	Datasheet	28In Stock	Cut Tape $10.01 $7.76 $7.13 $6.47 View Reel $5.62 $6.28 $5.76 $5.62 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32L151RB			ARM Cortex M3		32 bit					1.65 V	3.6 V			Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU STELLARIS ARM S817 LM3S817-IQN50-C2 Texas Instruments 1: $18.91 86In Stock NRND	Mfr. Part No. LM3S817-IQN50-C2 Mouser Part No 868-LM3S817-IQN50 NRND	Texas Instruments	ARM Microcontrollers - MCU STELLARIS ARM S817 Learn More about Texas Instruments ti processors solutions	Datasheet	86In Stock	$18.91 $15.03 $13.48 $13.00 View $12.48 $12.17 Quote	Min.: 1 Mult.: 1	LM3S817	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	10 bit	50 MHz	30 I/O	8 kB	3 V	3.6 V	- 40 C	+ 85 C	Bulk
ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A ATSAM3S8BA-AU Microchip Technology 1: $7.75 27In Stock	Mfr. Part No. ATSAM3S8BA-AU Mouser Part No 556-ATSAM3S8BA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A Learn More about Microchip Technology microchip sam3s mcu	Datasheet	27In Stock	$7.75 $7.04 $6.36	Min.: 1 Mult.: 1	SAM3S	SMD/SMT	QFP-64	ARM Cortex M3	512 kB	32 bit	12 bit	64 MHz	47 I/O	64 kB	1.62 V	1.9 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M ATSAM3U2EA-CU Microchip Technology 1: $7.94 4In Stock	Mfr. Part No. ATSAM3U2EA-CU Mouser Part No 556-ATSAM3U2EA-CU	Microchip Technology	ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M Learn More about Microchip Technology microchip sam3u mcus	Datasheet	4In Stock	$7.94 $7.22 $6.54	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LFBGA-144	ARM Cortex M3	128 kB	32 bit	12 bit	96 MHz	96 I/O	36 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG290F1024G-E-BGA112 Silicon Labs 1: $19.65 56In Stock	Mfr. Part No. EFM32GG290F1024G-E-BGA112 Mouser Part No 634-32GG290F1024-E	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	56In Stock	$19.65 $15.57 $14.56 $13.44 View $12.81 $12.58	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	BGA-112	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	90 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES EFM32GG290F512G-E-BGA112 Silicon Labs 1: $16.31 4In Stock	Mfr. Part No. EFM32GG290F512G-E-BGA112 Mouser Part No 634-32GG290F512-E	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	4In Stock	$16.31 $12.77 $11.89 $10.92 View $10.81 $10.17 $9.95 Quote	Min.: 1 Mult.: 1	EFM32GG	SMD/SMT	BGA-112	ARM Cortex M3	512 kB	32 bit	12 bit	48 MHz	90 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU EFM32JG1B100F128GM32-C0 Silicon Labs 1: $4.78 76In Stock	Mfr. Part No. EFM32JG1B100F128GM32-C0 Mouser Part No 634-JG1B100F12832C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	76In Stock	$4.78 $3.60 $3.31 $2.98 View $2.83 $2.81 $2.64 $2.58	Min.: 1 Mult.: 1	EFM32JG	SMD/SMT	QFN-32	ARM Cortex M3	128 kB	32 bit	12 bit	40 MHz	24 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package LPC1769FBD100/P1K NXP Semiconductors 1: $21.21 139In Stock Factory Special Order	Mfr. Part No. LPC1769FBD100/P1K Mouser Part No 771-LPC1769FBD100P1K Factory Special Order	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, LQFP100 package	Datasheet	139In Stock	$21.21 $16.94 $15.23 $14.70 View $13.85 $13.84	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	2.4 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC ADUCM3029BCPZ Analog Devices Restricted Availability	Mfr. Part No. ADUCM3029BCPZ Mouser Part No 584-ADUCM3029BCPZ	Analog Devices	ARM Microcontrollers - MCU LowPwr Cortex M3w/256kEmbedded Flash/ADC Learn More about Analog Devices adi aducm3027 aducm3029 ulp mcu Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	ADUCM3029	SMD/SMT	LFCSP-64	ARM Cortex M3	256 kB	32 bit	12 bit	26 MHz	44 I/O	64 kB	1.74 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG330F1024G-E-QFN64 Silicon Labs 1: $18.32 3In Stock NRND	Mfr. Part No. EFM32GG330F1024G-E-QFN64 Mouser Part No 634-32GG330F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	3In Stock	$18.32 $14.52 $13.57 $12.52 View $11.94 $11.73	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 32-Bit ARM Cortex High Density 384kb STM32F103VDT7 STMicroelectronics 1: $13.11 30In Stock	Mfr. Part No. STM32F103VDT7 Mouser Part No 511-STM32F103VDT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex High Density 384kb Learn More about STMicroelectronics stm32f1	Datasheet	30In Stock	$13.11 $10.66 $10.16 $8.66 View $8.28 $7.74 $7.65 Quote	Min.: 1 Mult.: 1	STM32F103VD	SMD/SMT	LQFP-100	ARM Cortex M3	384 kB	32 bit	12 bit	72 MHz		64 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU STM32F103 Perf Line M3 768kB 72 MHz MCU STM32F103ZFH6TR STMicroelectronics 1: $16.95 62In Stock	Mfr. Part No. STM32F103ZFH6TR Mouser Part No 511-STM32F103ZFH6TR	STMicroelectronics	ARM Microcontrollers - MCU STM32F103 Perf Line M3 768kB 72 MHz MCU Learn More about STMicroelectronics stm32f1	Datasheet	62In Stock	Cut Tape $16.95 $13.33 $12.30 $11.25 View Reel $9.73 $11.09 $10.52 $9.76 $9.73 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,500	STM32F103ZF	SMD/SMT	BGA-144	ARM Cortex M3	768 kB	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 Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, LCD, USB, 2xOp STM32L162VET6 STMicroelectronics 1: $13.24 53In Stock	Mfr. Part No. STM32L162VET6 Mouser Part No 511-STM32L162VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, LCD, USB, 2xOp Learn More about STMicroelectronics stm32l1	Datasheet	53In Stock	$13.24 $10.37 $9.61 $8.87 View $8.56 $7.80 $7.69 Quote	Min.: 1 Mult.: 1	STM32L162VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	32 MHz	83 I/O	80 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1812JBD144E NXP Semiconductors 1: $22.02 16In Stock	Mfr. Part No. LPC1812JBD144E Mouser Part No 771-LPC1812JBD144E	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	16In Stock	$22.02 $17.79 $17.06 $15.03 View $14.29 $13.64 Quote	Min.: 1 Mult.: 1	LPC181x	SMD/SMT	LQFP-144	ARM Cortex M3	512 kB	32 bit	2 x 10 bit	180 MHz	83 I/O	104 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz STM32L100R8T6 STMicroelectronics 1: $8.92 690In Stock NRND	Mfr. Part No. STM32L100R8T6 Mouser Part No 511-STM32L100R8T6 NRND	STMicroelectronics	ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	690In Stock	$8.92 $6.23 $5.94 $5.16 View $4.92 $4.70 $4.58 Quote	Min.: 1 Mult.: 1	STM32L100R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	32 MHz	51 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Access Line MCU STM32F101C8U6 STMicroelectronics 1: $6.26 1,019In Stock	Mfr. Part No. STM32F101C8U6 Mouser Part No 511-STM32F101C8U6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Access Line MCU Learn More about STMicroelectronics stm32f1	Datasheet	1,019In Stock	$6.26 $4.79 $4.20 $4.01 View $3.81 $3.70 $3.62 $3.47 Quote	Min.: 1 Mult.: 1	STM32F101C8	SMD/SMT	UFQFPN-48	ARM Cortex M3	64 kB	32 bit	12 bit	36 MHz	37 I/O	10 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, STM32F105VCT6V STMicroelectronics 1: $16.73 515In Stock NRND	Mfr. Part No. STM32F105VCT6V Mouser Part No 511-STM32F105VCT6V NRND	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, Learn More about STMicroelectronics stm32f105	Datasheet	515In Stock	$16.73 $13.11 $12.14 $11.21 View $10.82 $10.56 $9.91 Quote	Min.: 1 Mult.: 1	STM32F105VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 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 ARM 32Bit Value Line 48-Pin 64kB Flash STM32F100C8T6BTR STMicroelectronics 1: $5.89 12,000Expected 13/09/2027	Mfr. Part No. STM32F100C8T6BTR Mouser Part No 511-STM32F100C8T6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 48-Pin 64kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	12,000Expected 13/09/2027	Cut Tape $5.89 $4.16 $3.91 $3.47 View Reel $2.99 $3.43 $3.15 $2.99 $2.99 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F100C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	24 MHz	37 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m STM32F103CBU6TR STMicroelectronics 1: $8.57 4,991Expected 02/11/2026	Mfr. Part No. STM32F103CBU6TR Mouser Part No 511-STM32F103CBU6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	4,991Expected 02/11/2026	Cut Tape $8.57 $6.54 $5.82 $5.47 View Reel $4.63 $5.33 $4.87 $4.82 $4.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM32F103CB	SMD/SMT	UFQFPN-48	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	37 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC STM32F103R8T6 STMicroelectronics 1: $7.65 3,840On Order	Mfr. Part No. STM32F103R8T6 Mouser Part No 511-STM32F103R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	3,840On Order On Order Ship Dates Mfr. No: STM32F103R8T6 Stock: 0 On Order: 1,920 Expected 22/12/2026 1,920 Expected 23/02/2027 Factory Lead Time: 52 Weeks	$7.65 $6.14 $5.30 $4.95 $4.65	Min.: 1 Mult.: 1	STM32F103R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	72 MHz	64 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Perform ARM 32Bit 32kB Flash 64-Pin STM32F103RFT6TR STMicroelectronics 1: $13.84 2,000Expected 12/07/2027	Mfr. Part No. STM32F103RFT6TR Mouser Part No 511-STM32F103RFT6TR	STMicroelectronics	ARM Microcontrollers - MCU Perform ARM 32Bit 32kB Flash 64-Pin Learn More about STMicroelectronics stm32f1	Datasheet	2,000Expected 12/07/2027	Cut Tape $13.84 $10.87 $9.68 $9.31 View Reel $8.48 $9.14 $8.69 $8.48 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103RF	SMD/SMT	LQFP-64	ARM Cortex M3	768 kB	32 bit	12 bit	72 MHz		96 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel