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ARM Cortex M3 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 Leopard Gecko MCU IC 256KB EFM32LG842F256G-F-QFP64R Silicon Labs 1: S/45.97 5,787In Stock	Mfr. Part # EFM32LG842F256G-F-QFP64R Mouser Part # 634-32LG842256GFQFPR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	5,787In Stock	Cut Tape S/45.97 S/36.01 S/33.51 S/30.75 View Reel S/28.03 S/30.48 S/28.69 S/28.03 Quote	Min.: 1 Mult.: 1 : 1,000	EFM32LG	SMD/SMT	TQFP-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	Reel, Cut Tape
ARM Microcontrollers - MCU QFP144,GREEN IND TEMP, MRL A ATSAM3X4EA-AU Microchip Technology 1: S/51.19 1,227In Stock	Mfr. Part # ATSAM3X4EA-AU Mouser Part # 556-ATSAM3X4EA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP144,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3x mcu	Datasheet	1,227In Stock	S/51.19 S/46.55 S/42.12 S/42.00	Min.: 1 Mult.: 1	SAM3X	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	84 MHz	103 I/O	64 kB	1.62 V	1.95 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B100F256GM32-C0 Silicon Labs 1: S/20.98 6,730In Stock	Mfr. Part # EFM32JG1B100F256GM32-C0 Mouser Part # 634-JG1B100F256GM32C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	6,730In Stock	S/20.98 S/15.96 S/14.71 S/13.35 View S/12.69 S/12.30 S/12.14 S/11.99 Quote	Min.: 1 Mult.: 1	EFM32JG	SMD/SMT	QFN-32	ARM Cortex M3	256 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 Leopard Gecko MCU IC 256KB EFM32LG230F256G-F-QFN64 Silicon Labs 1: S/43.44 2,584In Stock	Mfr. Part # EFM32LG230F256G-F-QFN64 Mouser Part # 634-32LG230F256GFQFN	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	2,584In Stock	S/43.44 S/34.53 S/31.72 S/29.43 View S/27.95 S/27.40 S/26.78 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	QFN-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	56 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 ATSAM3U2CA-CU Microchip Technology 1: S/23.67 4,419In Stock	Mfr. Part # ATSAM3U2CA-CU Mouser Part # 556-ATSAM3U2CA-CU	Microchip Technology	ARM Microcontrollers - MCU 128K Flash, 36K SRAM 32-bit ARM Cortex M3 Learn More about Microchip Technology microchip sam3u mcus	Datasheet	4,419In Stock	S/23.67 S/23.63 S/22.54 S/22.07 S/21.91	Min.: 1 Mult.: 1	SAM3U	SMD/SMT	TFBGA-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 QFP100,GREEN IND TEMP, MRLA ATSAM3X8CA-AU Microchip Technology 1: S/43.79 1,101In Stock	Mfr. Part # ATSAM3X8CA-AU Mouser Part # 556-ATSAM3X8CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3x mcu	Datasheet	1,101In Stock	S/43.79 S/39.90 S/39.43 S/36.08	Min.: 1 Mult.: 1	SAM3X	SMD/SMT	LQFP-100	ARM Cortex M3	512 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 32BIT Cortex M3 512B Flash 100pin STM32F103VET6 STMicroelectronics 1: S/43.17 25,653In Stock	Mfr. Part # STM32F103VET6 Mouser Part # 511-STM32F103VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	25,653In Stock	S/43.17 S/35.93 S/31.92 S/30.52 View S/30.01 S/29.19 S/28.80 Quote	Min.: 1 Mult.: 1	STM32F103VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 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 Mainstream ARM M3 1Mb 72 MHz USB CAN STM32F103VGT6 STMicroelectronics 1: S/51.61 11,010In Stock	Mfr. Part # STM32F103VGT6 Mouser Part # 511-STM32F103VGT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	11,010In Stock	S/51.61 S/41.81 S/39.43 S/38.15 View S/36.75 S/36.24 S/33.98	Min.: 1 Mult.: 1	STM32F103VG	SMD/SMT	LQFP-100	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 32BIT Cortex M3 512KB Perform Line STM32F103ZEH7 STMicroelectronics 1: S/63.10 2,525In Stock	Mfr. Part # STM32F103ZEH7 Mouser Part # 511-STM32F103ZEH7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line Learn More about STMicroelectronics stm32f1	Datasheet	2,525In Stock	S/63.10 S/49.63 S/45.15 S/42.55 View S/41.18 S/40.05 S/36.24 Quote	Min.: 1 Mult.: 1	STM32F103ZE	SMD/SMT	BGA-144	ARM Cortex M3	512 kB	32 bit	12 bit	72 MHz	112 I/O	64 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G222F128G-E-QFP48R Silicon Labs 1: S/30.09 3,414In Stock	Mfr. Part # EFM32G222F128G-E-QFP48R Mouser Part # 634-32G222128GEFP48R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	3,414In Stock	Cut Tape S/30.09 S/23.20 S/21.41 S/19.58 Reel S/17.56 View S/18.14 S/16.70	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	TQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	37 I/O	16 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5668AXI-LP034 Infineon Technologies 1: S/105.29 2,442In Stock	Mfr. Part # CY8C5668AXI-LP034 Mouser Part # 727-CY8C5668AXILP034	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	2,442In Stock	S/105.29 S/86.72 S/77.62 S/75.16 View S/68.70 S/68.66	Min.: 1 Mult.: 1	CY8C56LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	72 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM STM32F103RBT6 STMicroelectronics 1: S/36.08 13,785In Stock	Mfr. Part # STM32F103RBT6 Mouser Part # 511-STM32F103RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	13,785In Stock	S/36.08 S/27.71 S/24.72 S/23.59 S/22.23	Min.: 1 Mult.: 1	STM32F103RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 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 Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103RGT6TR STMicroelectronics 1: S/61.19 3,000In Stock 1,000Expected 11/27/2026	Mfr. Part # STM32F103RGT6TR Mouser Part # 511-STM32F103RGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto Learn More about STMicroelectronics stm32f1	Datasheet	3,000In Stock 1,000Expected 11/27/2026	Cut Tape S/61.19 S/48.03 S/43.75 S/41.14 View Reel S/34.37 S/40.37 S/38.03 S/34.37 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103RG	SMD/SMT	LQFP-64	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH CY8C5468AXI-LP106 Infineon Technologies 1: S/60.68 3,032In Stock	Mfr. Part # CY8C5468AXI-LP106 Mouser Part # 727-CY8C5468AXILP106	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP ANLOG 67MHZ,256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	3,032In Stock	S/60.68 S/47.22 S/42.70 S/40.05 View S/38.50 S/36.20 S/35.42 Quote	Min.: 1 Mult.: 1	CY8C54LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	67 MHz	72 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM STM32F103VBT6TR STMicroelectronics 1: S/38.07 8,732In Stock	Mfr. Part # STM32F103VBT6TR Mouser Part # 511-STM32F103VBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	8,732In Stock	Cut Tape S/38.07 S/29.58 S/26.16 S/25.11 Reel S/20.32 View S/24.68 S/23.28 S/20.09 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103VB	SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	100 I/O	20 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, USB, 2xOp-amp STM32L152VET6 STMicroelectronics 1: S/48.58 2,241In Stock	Mfr. Part # STM32L152VET6 Mouser Part # 511-STM32L152VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	2,241In Stock	S/48.58 S/36.47 S/33.59 S/32.46 View S/30.79 S/28.61 S/28.57	Min.: 1 Mult.: 1	STM32L152VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	32 MHz	83 I/O	80 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package LPC1765FBD100K NXP Semiconductors 1: S/56.17 5,650In Stock	Mfr. Part # LPC1765FBD100K Mouser Part # 771-LPC1765FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	5,650In Stock	S/56.17 S/45.00 S/41.81 S/40.25 View S/37.80 S/36.90 Quote	Min.: 1 Mult.: 1	LPC1700	SMD/SMT	LQFP-100	ARM Cortex M3	256 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 MCU,M3,120MHz,1MBMem/130kBRAM,QFP100 TMPM3HNF10BFG Toshiba 1: S/50.64 1,795In Stock	Mfr. Part # TMPM3HNF10BFG Mouser Part # 757-TMPM3HNF10BFG	Toshiba	ARM Microcontrollers - MCU MCU,M3,120MHz,1MBMem/130kBRAM,QFP100 Learn More about Toshiba tmpm3h arm microcontrollers		1,795In Stock	S/50.64 S/41.96 S/37.33 S/36.47 View S/34.60 S/33.59 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3		32 bit	12 bit	120 MHz	92 I/O		2.7 V	5.5 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RCT6B STMicroelectronics 1: S/32.00 3,768In Stock	Mfr. Part # STM32F100RCT6B Mouser Part # 511-STM32F100RCT6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	3,768In Stock	S/32.00 S/24.72 S/21.76 S/20.36 View S/17.67 S/17.32 Quote	Min.: 1 Mult.: 1	STM32F100RC	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	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 7 TMRS 2 ADCS STM32F103RBT6TR STMicroelectronics 1: S/34.22 19,014In Stock	Mfr. Part # STM32F103RBT6TR Mouser Part # 511-STM32F103RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 USB CAN 7 TMRS 2 ADCS Learn More about STMicroelectronics stm32f1	Datasheet	19,014In Stock	Cut Tape S/34.22 S/26.47 S/23.36 S/22.38 Reel S/18.72 View S/21.91 S/20.75 S/17.48 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 128K 20KB RAM 2X12 ADC STM32F103VBT6 STMicroelectronics 1: S/31.37 5,565In Stock	Mfr. Part # STM32F103VBT6 Mouser Part # 511-STM32F103VBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K 20KB RAM 2X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	5,565In Stock	S/31.37 S/25.65 S/23.90 S/22.27 View S/21.84 S/20.16 S/19.81	Min.: 1 Mult.: 1	STM32F103VB	SMD/SMT	LQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	100 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin STM32F103VCT6 STMicroelectronics 1: S/35.23 12,339In Stock	Mfr. Part # STM32F103VCT6 Mouser Part # 511-STM32F103VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	12,339In Stock	S/35.23 S/28.77 S/26.74 S/24.83 View S/24.33 S/21.99 S/21.41	Min.: 1 Mult.: 1	STM32F103VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Perform ARM Cortex-M3 MCU STM32F103ZGT6TR STMicroelectronics 1: S/71.74 1,456In Stock	Mfr. Part # STM32F103ZGT6TR Mouser Part # 511-STM32F103ZGT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Perform ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f1	Datasheet	1,456In Stock	Cut Tape S/71.74 S/56.21 S/52.08 S/48.07 S/46.36 Reel S/42.93 MouseReel Available	Min.: 1 Mult.: 1 : 500	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE STM32F103CBT7 STMicroelectronics 1: S/34.33 7,608In Stock	Mfr. Part # STM32F103CBT7 Mouser Part # 511-STM32F103CBT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	7,608In Stock	S/34.33 S/26.55 S/23.43 S/22.46 View S/21.45 S/20.82 S/20.36 S/19.73	Min.: 1 Mult.: 1	STM32F103CB	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	37 I/O	20 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105RCT6 STMicroelectronics 1: S/33.28 12,205In Stock	Mfr. Part # STM32F105RCT6 Mouser Part # 511-STM32F105RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	12,205In Stock	S/33.28 S/26.70 S/25.11 S/23.20 View S/22.77 S/21.84 S/20.75	Min.: 1 Mult.: 1	STM32F105RC	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