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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 128K Flash, 36K SRAM 32-bit ARM Cortex M3 ATSAM3U2EA-AU Microchip Technology 1: $8.07 57In Stock	Mfr. Part # ATSAM3U2EA-AU Mouser Part # 556-ATSAM3U2EA-AU	Microchip Technology	ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	57In Stock	$8.07 $7.34 $6.65	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	LQFP-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 128k Flash, 16k RAM, AES EFM32G210F128G-E-QFN32R Silicon Labs 1: $6.79 28In Stock 3,000Expected 11/17/2026	Mfr. Part # EFM32G210F128G-E-QFN32R Mouser Part # 634-32G210128GEFN32R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	28In Stock 3,000Expected 11/17/2026	Cut Tape $6.79 $5.29 $4.73 $4.37 $4.32 Reel $3.66 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	QFN-32	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	24 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES EFM32GG280F1024G-E-QFP100R Silicon Labs 1: $19.50 22In Stock	Mfr. Part # EFM32GG280F1024G-E-QFP100R Mouser Part # 634-32GG280F1024-E-T	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	22In Stock	Cut Tape $19.50 $15.45 $14.44 $13.33 View Reel $12.48 $12.71 $12.48 $12.48	Min.: 1 Mult.: 1 : 1,000	EFM32GG	SMD/SMT	LQFP-100	ARM Cortex M3	1.02 MB	32 bit	12 bit	48 MHz	85 I/O	128 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES EFM32GG330F512G-E-QFN64R Silicon Labs 1: $15.16 1,363In Stock	Mfr. Part # EFM32GG330F512G-E-QFN64R Mouser Part # 634-32GG330F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	1,363In Stock	Cut Tape $15.16 $11.87 $11.05 $10.14 View Reel $8.75 $10.05 $9.46 $9.24 $8.75 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	EFM32GG	SMD/SMT	QFN-64	ARM Cortex M3	512 kB	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 ARM Cortex-M3 32-bit 40 MHz 128 kB MCU EFM32JG1B200F128GM48-C0 Silicon Labs 1: $4.59 947In Stock End of Life	Mfr. Part # EFM32JG1B200F128GM48-C0 Mouser Part # 634-JG1B200F128GM48C End of Life	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	947In Stock	$4.59 $3.63 $3.35 $2.81 View $2.75 $2.74	Min.: 1 Mult.: 1	EFM32JG	SMD/SMT	QFN-48	ARM Cortex M3	128 kB	32 bit	12 bit	40 MHz	32 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 16-bit, Low Power Sensor Micro ADUCM355BCCZ Analog Devices 1: $29.27 342In Stock	Mfr. Part # ADUCM355BCCZ Mouser Part # 584-ADUCM355BCCZ	Analog Devices	ARM Microcontrollers - MCU 16-bit, Low Power Sensor Micro Learn More about Analog Devices aducm355 analog mcus	Datasheet	342In Stock	$29.27 $22.90 $21.87 $19.29 View $18.81 $18.52 Quote	Min.: 1 Mult.: 1	ADuCM355	SMD/SMT	LGA-72	ARM Cortex M3	128 kB	32 bit	16 bit	26 MHz	17 I/O	64 kB	2.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Cortex M3 MCU + Single 24bit S-D AFE ADUCM361BCPZ128 Analog Devices 1: $18.16 418In Stock	Mfr. Part # ADUCM361BCPZ128 Mouser Part # 584-ADUCM361BCPZ128	Analog Devices	ARM Microcontrollers - MCU Cortex M3 MCU + Single 24bit S-D AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	418In Stock	$18.16 $14.68 $14.07 $12.40 View $11.79 $10.78 $10.61 Quote	Min.: 1 Mult.: 1	ADUCM361	SMD/SMT	LFCSP-48	ARM Cortex M3	128 kB	32 bit	24 bit	16 MHz	19 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Cortex M3 + 16K/128K + Dual 24bit SD AFE ADUCM362BCPZ128 Analog Devices 1: $26.32 21In Stock	Mfr. Part # ADUCM362BCPZ128 Mouser Part # 584-ADUCM362BCPZ128	Analog Devices	ARM Microcontrollers - MCU Cortex M3 + 16K/128K + Dual 24bit SD AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	21In Stock	$26.32 $24.12 $19.10 $18.72 View $18.62 $17.67	Min.: 1 Mult.: 1	ADUCM362	SMD/SMT	LFCSP-48	ARM Cortex M3	128 kB	32 bit	24 bit	16 MHz	19 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Cortex M3 +16K/128K +Single 24bit SD AFE ADUCM363BCPZ128 Analog Devices 1: $21.37 42In Stock	Mfr. Part # ADUCM363BCPZ128 Mouser Part # 584-ADUCM363BCPZ128	Analog Devices	ARM Microcontrollers - MCU Cortex M3 +16K/128K +Single 24bit SD AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	42In Stock	$21.37 $17.76 $17.10 $15.10 View $14.69 $13.88 Quote	Min.: 1 Mult.: 1	ADUCM363	SMD/SMT	LFCSP-48	ARM Cortex M3	128 kB	32 bit	24 bit	16 MHz	19 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Cortex M3 MCU + Dual 24bit S-D AFE ADUCM360BCPZ128-R7 Analog Devices 1: $26.89 761In Stock 2,250On Order	Mfr. Part # ADUCM360BCPZ128-R7 Mouser Part # 584-AUCM360BCPZ128R7	Analog Devices	ARM Microcontrollers - MCU Cortex M3 MCU + Dual 24bit S-D AFE Learn More about Analog Devices analog aducm36x mcus	Datasheet	761In Stock 2,250On Order	Cut Tape $26.89 $21.03 $20.09 $18.25 View Reel $16.89 $17.63 $17.22 $16.89 Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	ADUCM360	SMD/SMT	LFCSP-48	ARM Cortex M3	128 kB	32 bit	24 bit	20 MHz	19 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU EMBEDDED_POWER TLE98912QTW61XUMA1 Infineon Technologies 1: $10.27 57In Stock	Mfr. Part # TLE98912QTW61XUMA1 Mouser Part # 726-TLE98912QTW61XUM	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon motix tle989x microcontrollers	Datasheet	57In Stock	Cut Tape $10.27 $7.94 $7.57 $6.57 View Reel $5.31 $6.27 $5.72 $5.42 $5.31 Quote	Min.: 1 Mult.: 1 : 2,500	TLE989x	SMD/SMT	TQFP-48	ARM Cortex M3	144 kB	32 bit		60 MHz	8 I/O	144 kB	5.5 V	28 V	- 40 C	+ 175 C	Reel, Cut Tape
ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES EFM32G230F64G-E-QFN64 Silicon Labs 1: $6.63 190In Stock NRND	Mfr. Part # EFM32G230F64G-E-QFN64 Mouser Part # 634-32G230F64GEQFN64 NRND	Silicon Labs	ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES	Datasheet	190In Stock	$6.63 $5.08 $4.69 $4.27 View $4.06 $3.94 $3.90 $3.85	Min.: 1 Mult.: 1		SMD/SMT	QFN-64	ARM Cortex M3	64 kB	32 bit	12 bit	32 MHz	56 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G232F128G-E-QFP64 Silicon Labs 1: $7.63 225In Stock NRND	Mfr. Part # EFM32G232F128G-E-QFP64 Mouser Part # 634-32G232F128GEFP64 NRND	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	225In Stock	$7.63 $5.99 $5.51 $5.36 View $4.68 $4.62 $4.53 $4.31	Min.: 1 Mult.: 1		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	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G280F128G-E-QFP100 Silicon Labs 1: $8.87 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part # EFM32G280F128G-E-QFP100 Mouser Part # 634-32G280128GEFP100 NRND	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	Non-Stocked Lead-Time 12 Weeks	$8.87 $6.87 $6.37 $5.82 View $5.56 $5.40 $5.26 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	86 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x22 LCD, AES EFM32G842F128G-E-QFP64 Silicon Labs 1: $8.68 32In Stock NRND	Mfr. Part # EFM32G842F128G-E-QFP64 Mouser Part # 634-32G842F128GEFP64 NRND	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x22 LCD, AES	Datasheet	32In Stock	$8.68 $6.72 $6.23 $5.70 View $5.44 $5.29 $5.14 $4.88	Min.: 1 Mult.: 1		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	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x40 LCD, AES EFM32G880F128G-E-QFP100 Silicon Labs 1: $9.44 24In Stock NRND	Mfr. Part # EFM32G880F128G-E-QFP100 Mouser Part # 634-32G880F128EFP100 NRND	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x40 LCD, AES	Datasheet	24In Stock	$9.44 $7.34 $6.82 $6.24 View $5.92 $5.80 $5.67 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	86 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES EFM32GG380F512G-E-QFP100 Silicon Labs 1: $17.00 35In Stock NRND	Mfr. Part # EFM32GG380F512G-E-QFP100 Mouser Part # 634-32GG380F512-E NRND	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	35In Stock	$17.00 $13.31 $12.39 $11.38 View $11.27 $10.61 $10.37 Quote	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES EFM32GG390F1024G-E-BGA112 Silicon Labs 1: $20.72 44In Stock NRND	Mfr. Part # EFM32GG390F1024G-E-BGA112 Mouser Part # 634-32GG390F1024-E NRND	Silicon Labs	ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	44In Stock	$20.72 $16.42 $15.35 $14.17 View $13.51 $13.27	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU 32B ARM Cortex-M3 Value line 16KB Flsh STM32F100C4T6BTR STMicroelectronics 1: $5.61 59In Stock 2,400Expected 9/13/2027	Mfr. Part # STM32F100C4T6BTR Mouser Part # 511-STM32F100C4T6BTR	STMicroelectronics	ARM Microcontrollers - MCU 32B ARM Cortex-M3 Value line 16KB Flsh Learn More about STMicroelectronics stm32f1	Datasheet	59In Stock 2,400Expected 9/13/2027	Cut Tape $5.61 $4.02 $3.64 $3.32 View Reel $2.68 $3.19 $2.85 $2.68 $2.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F100C4	SMD/SMT		ARM Cortex M3	16 kB	32 bit	12 bit	24 MHz	37 I/O	4 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 32KB STM32F100C6T6B STMicroelectronics 1: $5.66 167In Stock	Mfr. Part # STM32F100C6T6B Mouser Part # 511-STM32F100C6T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 32KB Learn More about STMicroelectronics stm32f1	Datasheet	167In Stock	$5.66 $4.05 $3.68 $3.34 View $3.17 $2.94 $2.92	Min.: 1 Mult.: 1	STM32F100C6	SMD/SMT		ARM Cortex M3	32 kB	32 bit	12 bit	24 MHz	37 I/O	4 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line STM32F100C8T7B STMicroelectronics 1: $5.83 13In Stock	Mfr. Part # STM32F100C8T7B Mouser Part # 511-STM32F100C8T7B	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line Learn More about STMicroelectronics stm32f1	Datasheet	13In Stock	$5.83 $4.43 $4.05 $3.72 View $3.55 $3.49 $3.41 $3.34 Quote	Min.: 1 Mult.: 1	STM32F100C8	SMD/SMT		ARM Cortex M3	64 kB	32 bit	12 bit	24 MHz	37 I/O	8 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 128KB STM32F100CBT6B STMicroelectronics 1: $6.27 264In Stock 1,500Expected 11/15/2027	Mfr. Part # STM32F100CBT6B Mouser Part # 511-STM32F100CBT6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 128KB Learn More about STMicroelectronics stm32f1	Datasheet	264In Stock 1,500Expected 11/15/2027	$6.27 $4.73 $4.20 $3.97 View $3.79 $3.54 $3.31 $3.22 Quote	Min.: 1 Mult.: 1	STM32F100CB	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	37 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 64PINS 32KB STM32F100R6T6B STMicroelectronics 1: $5.91 150In Stock 960On Order	Mfr. Part # STM32F100R6T6B Mouser Part # 511-STM32F100R6T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 64PINS 32KB Learn More about STMicroelectronics stm32f1	Datasheet	150In Stock 960On Order	$5.91 $4.50 $4.10 $3.79 View $3.47 $3.31 $3.22 Quote	Min.: 1 Mult.: 1	STM32F100R6	SMD/SMT	LQFP-64	ARM Cortex M3		32 bit					2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RDT6B STMicroelectronics 1: $10.06 140In Stock	Mfr. Part # STM32F100RDT6B Mouser Part # 511-STM32F100RDT6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	140In Stock	$10.06 $7.54 $7.19 $6.24 View $5.96 $5.66 $5.52 Quote	Min.: 1 Mult.: 1	STM32F100RD	SMD/SMT	LQFP-64	ARM Cortex M3	384 kB	32 bit	12 bit	24 MHz	51 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 Value Line 128KB STM32F100VBT6B STMicroelectronics 1: $7.81 36In Stock 4,320On Order	Mfr. Part # STM32F100VBT6B Mouser Part # 511-STM32F100VBT6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 Value Line 128KB Learn More about STMicroelectronics stm32f1	Datasheet	36In Stock 4,320On Order On Order Ship Dates Mfr. #: STM32F100VBT6B Stock: 36 Can Ship Immediately On Order: 2,700 Expected 8/2/2027 1,620 Expected 9/6/2027 Factory Lead-Time: 52 Weeks	$7.81 $5.58 $5.25 $5.00 $4.62	Min.: 1 Mult.: 1	STM32F100VB	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	80 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray