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ARM Cortex M3 Core Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB STM32L151C6T6A STMicroelectronics 1: 4,70 € 12.803In Stock	Mfr. Part No. STM32L151C6T6A Mouser Part No 511-STM32L151C6T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	12.803In Stock	4,70 € 3,59 € 3,13 € 2,99 € View 2,85 € 2,75 € 2,42 € 2,24 € 2,18 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	32 bit	32 MHz	32 kB	10 kB	12 bit	37 I/O	1.65 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM STM32F103RBT6 STMicroelectronics 1: 7,97 € 13.783In Stock	Mfr. Part No. STM32F103RBT6 Mouser Part No 511-STM32F103RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 128K FLASH 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	13.783In Stock	7,97 € 6,12 € 5,46 € 5,21 € 4,91 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	72 MHz	128 kB	20 kB	12 bit	64 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 1 Mbyte of Flash 72 MHz CPU, moto STM32F103RGT6TR STMicroelectronics 1: 13,52 € 2.000In Stock 2.000Expected 11/28/2026	Mfr. Part No. STM32F103RGT6TR Mouser Part No 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	2.000In Stock 2.000Expected 11/28/2026	Cut Tape 13,52 € 10,61 € 9,67 € 9,09 € View Reel 7,59 € 8,92 € 8,40 € 7,59 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	72 MHz	1 MB	96 kB	12 bit	112 I/O	2 V	3.6 V	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin STM32F103VET6 STMicroelectronics 1: 9,54 € 26.072In Stock	Mfr. Part No. STM32F103VET6 Mouser Part No 511-STM32F103VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	26.072In Stock	9,54 € 7,94 € 7,05 € 6,74 € View 6,63 € 6,45 € 6,36 € Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	512 kB	64 kB	12 bit	80 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN STM32F103VGT6 STMicroelectronics 1: 11,40 € 11.012In Stock	Mfr. Part No. STM32F103VGT6 Mouser Part No 511-STM32F103VGT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream ARM M3 1Mb 72 MHz USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	11.012In Stock	11,40 € 9,24 € 8,71 € 8,43 € View 8,12 € 8,01 € 7,51 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	1 MB	96 kB	12 bit	112 I/O	2 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line STM32F103ZEH7 STMicroelectronics 1: 13,94 € 2.525In Stock	Mfr. Part No. STM32F103ZEH7 Mouser Part No 511-STM32F103ZEH7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512KB Perform Line Learn More about STMicroelectronics stm32f1	Datasheet	2.525In Stock	13,94 € 10,97 € 9,98 € 9,40 € View 9,10 € 8,85 € 8,01 € Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M3	32 bit	72 MHz	512 kB	64 kB	12 bit	112 I/O	2 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G222F128G-E-QFP48R Silicon Labs 1: 6,65 € 3.414In Stock	Mfr. Part No. EFM32G222F128G-E-QFP48R Mouser Part No 634-32G222128GEFP48R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	3.414In Stock	Cut Tape 6,65 € 5,13 € 4,73 € 4,33 € Reel 3,88 € View 4,01 € 3,69 €	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	TQFP-48	ARM Cortex M3	32 bit	32 MHz	128 kB	16 kB	12 bit	37 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM STM32F103VBT6TR STMicroelectronics 1: 8,41 € 8.732In Stock	Mfr. Part No. STM32F103VBT6TR Mouser Part No 511-STM32F103VBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 128K Flash 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	8.732In Stock	Cut Tape 8,41 € 6,54 € 5,78 € 5,55 € Reel 4,49 € View 5,45 € 5,14 € 4,44 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	72 MHz	128 kB	20 kB	12 bit	100 I/O	2 V	3.6 V	+ 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: 10,73 € 2.242In Stock	Mfr. Part No. STM32L152VET6 Mouser Part No 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	2.242In Stock	10,73 € 8,06 € 7,42 € 7,17 € View 6,80 € 6,32 € 6,31 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	32 MHz	512 kB	80 kB	12 bit	83 I/O	1.65 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package LPC1765FBD100K NXP Semiconductors 1: 12,41 € 5.500In Stock	Mfr. Part No. LPC1765FBD100K Mouser Part No 771-LPC1765FBD100K	NXP Semiconductors	ARM Microcontrollers - MCU 256kB flash, 64kB SRAM, USB, LQFP100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	5.500In Stock	12,41 € 9,94 € 9,24 € 8,89 € View 8,35 € 8,15 € Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	100 MHz	256 kB	64 kB	12 bit	70 I/O	3.3 V	3.3 V	+ 85 C	Tray
ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, TFBGA100 package LPC1768FET100,551 NXP Semiconductors 1: 15,45 € 6.533In Stock	Mfr. Part No. LPC1768FET100,551 Mouser Part No 771-LPC1768FET100551	NXP Semiconductors	ARM Microcontrollers - MCU 512kB flash, 64kB SRAM, Ethernet, USB, TFBGA100 package Learn More about NXP Semiconductors nxp_lpc17xx	Datasheet	6.533In Stock	15,45 € 12,27 € 11,00 € 10,60 € View 10,17 € 9,73 € 9,37 € Quote	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	32 bit	100 MHz	512 kB	64 kB	12 bit	70 I/O	2.4 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1857JBD208E NXP Semiconductors 1: 18,40 € 968In Stock	Mfr. Part No. LPC1857JBD208E Mouser Part No 771-LPC1857JBD208E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	968In Stock	18,40 € 16,58 € 14,45 € 13,79 € View 13,62 € 13,30 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-208	ARM Cortex M3	32 bit	180 MHz	1 MB	136 kB	2 x 10 bit	142 I/O	2.4 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG210F32-D-QFN32 Silicon Labs 1: 4,64 € 1.674In Stock	Mfr. Part No. EFM32TG210F32-D-QFN32 Mouser Part No 634-EFM32TG210F32-D	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	1.674In Stock	4,64 € 3,65 € 3,26 € 3,04 € View 2,81 € 2,73 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	ARM Cortex M3	32 bit	32 MHz	32 kB	4 kB	12 bit	24 I/O	1.98 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb UltralowPower STM32L151CBT6 STMicroelectronics 1: 7,15 € 10.299In 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	10.299In Stock	7,15 € 5,52 € 4,87 € 4,66 € View 4,45 € 4,32 € 3,93 € 3,84 € Quote	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	32 bit	32 MHz	128 kB	16 kB	12 bit	37 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K CY8C5668AXI-LP013 Infineon Technologies 1: 21,26 € 123In Stock	Mfr. Part No. CY8C5668AXI-LP013 Mouser Part No 727-CY8C5668AXILP013	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	123In Stock	21,26 € 18,13 € 17,98 € 17,97 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	67 MHz	256 kB	64 kB	12 bit	72 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU BGA100,GREEN IND TEMP, MRLA ATSAM3X8CA-CU Microchip Technology 1: 10,25 € 256In Stock	Mfr. Part No. ATSAM3X8CA-CU Mouser Part No 556-ATSAM3X8CA-CU	Microchip Technology	ARM Microcontrollers - MCU BGA100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3x mcu	Datasheet	256In Stock	10,25 € 9,31 € 8,44 € 8,43 €	Min.: 1 Mult.: 1	SMD/SMT	LFBGA-100	ARM Cortex M3	32 bit	84 MHz	512 kB	96 kB	12 bit	63 I/O	1.62 V	1.95 V	+ 85 C	Tray
ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES EFM32G232F128G-E-QFP64R Silicon Labs 1: 6,77 € 549In Stock	Mfr. Part No. EFM32G232F128G-E-QFP64R Mouser Part No 634-32G232128GEFP64R	Silicon Labs	ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES	Datasheet	549In Stock	Cut Tape 6,77 € 5,34 € 4,91 € 4,51 € 4,39 € Reel 3,84 €	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	TQFP-64	ARM Cortex M3	32 bit	32 MHz	128 kB	16 kB	12 bit	53 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES EFM32GG380F512G-E-QFP100R Silicon Labs 1: 14,41 € 2.100In Stock	Mfr. Part No. EFM32GG380F512G-E-QFP100R Mouser Part No 634-32GG380F512-E-T	Silicon Labs	ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES Learn More about Silicon Labs energymicro efm32giant	Datasheet	2.100In Stock	Cut Tape 14,41 € 11,46 € 10,43 € 9,77 € View Reel 8,45 € 9,70 € 9,13 € 8,45 €	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	48 MHz	512 kB	128 kB	12 bit	81 I/O	1.98 V	3.8 V	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU PSOC 5LP ANALOG LITE, 256K FLASH CY8C5468LTI-LP026 Infineon Technologies 1: 12,53 € 1.371In Stock	Mfr. Part No. CY8C5468LTI-LP026 Mouser Part No 727-CY8C5468LTILP026	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP ANALOG LITE, 256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1.371In Stock	12,53 € 9,87 € 8,82 € 8,48 € View 8,12 € 7,80 € 7,54 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	ARM Cortex M3	32 bit	67 MHz	256 kB	64 kB	12 bit	48 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ, 64K CY8C5666AXI-LP004 Infineon Technologies 1: 16,11 € 623In Stock	Mfr. Part No. CY8C5666AXI-LP004 Mouser Part No 727-CY8C5666AXILP004	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ, 64K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	623In Stock	16,11 € 12,80 € 11,12 € 10,78 € View 10,76 € 9,80 € 9,78 € Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	67 MHz	64 kB	16 kB	12 bit	72 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU EFM32JG12B500F1024GM48-C Silicon Labs 1: 8,52 € 982In Stock	Mfr. Part No. EFM32JG12B500F1024GM48-C Mouser Part No 634-JG12B500FGM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	982In Stock	8,52 € 6,79 € 6,13 € 5,77 € View 5,49 € 5,27 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M3	32 bit	40 MHz	1.02 MB	256 kB	12 bit	33 I/O	1.8 V	3.8 V	+ 85 C	Tray
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5467AXI-LP108 Infineon Technologies 1: 12,53 € 861In Stock	Mfr. Part No. CY8C5467AXI-LP108 Mouser Part No 727-CY8C5467AXILP108	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	861In Stock	12,53 € 9,87 € 8,53 € 8,25 € View 7,98 € 7,18 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	32 bit	67 MHz	128 kB	32 kB	12 bit	72 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU MM-LEGACY MM CY9BF618TPMC-GK7E1 Infineon Technologies 1: 16,25 € 280In Stock	Mfr. Part No. CY9BF618TPMC-GK7E1 Mouser Part No 727-C9BF618TPMCGK7E1	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY MM	Datasheet	280In Stock	16,25 € 13,12 € 12,58 € 11,09 € View 10,58 € 10,04 € 9,81 € Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-176	ARM Cortex M3	32 bit	144 MHz	1 MB	128 kB	12 bit	154 I/O	2.7 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5288LTI-LP090 Infineon Technologies 1: 12,73 € 253In Stock 520Expected 11/20/2026	Mfr. Part No. CY8C5288LTI-LP090 Mouser Part No 727-CY8C5288LTILP090	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	253In Stock 520Expected 11/20/2026	12,73 € 10,04 € 8,96 € 8,63 € View 8,26 € 7,87 € 7,68 € Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-68	ARM Cortex M3	32 bit	80 MHz	256 kB	64 kB	12 bit	38 I/O	1.71 V	1.89 V	+ 85 C	Tray
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A ATSAM3A4CA-AU Microchip Technology 1: 9,30 € 334In Stock	Mfr. Part No. ATSAM3A4CA-AU Mouser Part No 556-ATSAM3A4CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRL A Learn More about Microchip Technology microchip sam3a mcu	Datasheet	334In Stock	9,30 € 9,06 € 8,51 € 8,49 € 7,96 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	32 bit	84 MHz	256 kB	64 kB	12 bit	63 I/O	1.62 V	1.95 V	+ 85 C	Tray