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ARM Cortex M3 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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 40 MHz 256 kB MCU EFM32JG1B100F256GM32-C0 Silicon Labs 1: $6.141 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	$6.141 $4.819 $4.352 $4.033 View $3.760 $3.190	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 128K Flash, 36K SRAM 32-bit ARM Cortex M3 ATSAM3U2CA-CU Microchip Technology 1: $7.838 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	$7.838 $7.120 $6.460	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 Leopard Gecko MCU IC 256KB EFM32LG230F256G-F-QFN64 Silicon Labs 1: $12.600 2.084In 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	2.084In Stock	$12.600 $10.105 $9.240 $8.613 View $8.180 $8.021 $7.599 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 Leopard Gecko MCU IC 256KB EFM32LG842F256G-F-QFP64R Silicon Labs 1: $13.455 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 $13.455 $10.538 $9.809 $9.000 View Reel $8.203 $8.921 $8.396 $8.203 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 32BIT Cortex M3 128K FLASH 20KB RAM STM32F103RBT6 STMicroelectronics 1: $10.561 13.789In 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	13.789In Stock	$10.561 $8.112 $7.234 $6.904 View $6.505 Quote	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: $17.568 3.000In Stock 1.000Expected 11/12/2026	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 11/12/2026	Cut Tape $17.568 $13.762 $12.748 $11.769 View Reel $10.026 $11.347 $10.971 $10.026 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: $17.761 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	$17.761 $13.819 $12.498 $11.723 View $11.267 $10.595 $10.367 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 Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 32 Kbytes of Flash 32 MHz CP STM32L100C6U6A STMicroelectronics 1: $5.514 8.019In 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	8.019In Stock	$5.514 $4.170 $3.794 $3.532 View $3.384 $3.258 $3.099 $2.917 $2.871	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 MCU,M3,120MHz,1MBMem/130kBRAM,QFP100 TMPM3HNF10BFG Toshiba 1: $14.822 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	$14.822 $12.281 $10.926 $10.675 View $10.128 $9.832 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 32BIT Cortex M3 M/D Performance LINE STM32F103CBT7 STMicroelectronics 1: $10.048 7.489In 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	7.489In Stock	$10.048 $7.770 $6.858 $6.574 View $6.277 $6.095 $6.084 $5.879	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 XL-Density Access Line 32-Bit 1G Flash STM32F103RGT6 STMicroelectronics 1: $17.568 1.851In Stock 1.920Expected 1/25/2027	Mfr. Part # STM32F103RGT6 Mouser Part # 511-STM32F103RGT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash Learn More about STMicroelectronics stm32f1	Datasheet	1.851In Stock 1.920Expected 1/25/2027	$17.568 $13.762 $12.748 $11.769 View $11.347 $11.267 $11.256	Min.: 1 Mult.: 1	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	Tray
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105VCT6 STMicroelectronics 1: $10.778 15.092In Stock	Mfr. Part # STM32F105VCT6 Mouser Part # 511-STM32F105VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	15.092In Stock	$10.778 $8.761 $8.169 $7.610 View $7.474 $7.189 $6.745 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 Hi-perf ARM Cortex M3 MCU 1 Mb STM32F205RGT7 STMicroelectronics 1: $14.754 3.972In Stock	Mfr. Part # STM32F205RGT7 Mouser Part # 511-STM32F205RGT7	STMicroelectronics	ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 1 Mb Learn More about STMicroelectronics stm32f2	Datasheet	3.972In Stock	$14.754 $12.475 $11.655 $11.188 View $11.131 $10.812 $10.778 Quote	Min.: 1 Mult.: 1	STM32F205RG	SMD/SMT	LQFP-64	ARM Cortex M3	1 MB	32 bit	12 bit	120 MHz	51 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCU6 STMicroelectronics 1: $7.451 4.079In Stock	Mfr. Part # STM32L151CCU6 Mouser Part # 511-STM32L151CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	4.079In Stock	$7.451 $6.050 $5.708 $5.332 View $5.161 $5.093 $5.081	Min.: 1 Mult.: 1	STM32L151CC	SMD/SMT	UFQPFN-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5287AXI-LP095 Infineon Technologies 1: $14.617 10.582In Stock	Mfr. Part # CY8C5287AXI-LP095 Mouser Part # 727-CY8C5287AXILP095	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	10.582In Stock	$14.617 $11.917 $11.176 $10.481 View $10.276 $9.764 $9.513	Min.: 1 Mult.: 1	CY8C52LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103VET6TR STMicroelectronics 1: $12.156 11.377In Stock	Mfr. Part # STM32F103VET6TR Mouser Part # 511-STM32F103VET6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	11.377In Stock	Cut Tape $12.156 $10.504 $9.809 $9.524 View Reel $7.610 $9.445 $9.046 $7.610 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB STM32L151C6T6A STMicroelectronics 1: $6.232 12.803In Stock	Mfr. Part # STM32L151C6T6A Mouser Part # 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	$6.232 $4.751 $4.147 $3.965 View $3.771 $3.646 $3.201 $3.053 $2.655	Min.: 1 Mult.: 1	STM32L151C6-A	SMD/SMT	LQFP-48	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	37 I/O	10 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RCT6B STMicroelectronics 1: $9.365 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	$9.365 $7.234 $6.369 $5.958 View $5.172 $5.024 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 128K 20KB RAM 2X12 ADC STM32F103VBT6 STMicroelectronics 1: $9.183 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	$9.183 $7.508 $6.995 $6.517 View $6.391 $5.901 $5.799	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: $10.310 12.341In Stock	Mfr. Part # STM32F103VCT6 Mouser Part # 511-STM32F103VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 256kB Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	12.341In Stock	$10.310 $8.419 $7.827 $7.269 View $7.120 $6.437 $6.266	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: $20.997 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 $20.997 $16.451 $15.244 $14.070 $13.569 Reel $12.566 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 512B Flash 100pin STM32F103VET6 STMicroelectronics 1: $14.628 25.517In Stock	Mfr. Part # STM32F103VET6 Mouser Part # 511-STM32F103VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 512B Flash 100pin Learn More about STMicroelectronics stm32f1	Datasheet	25.517In Stock	$14.628 $11.723 $10.607 $10.071 View $9.900 $9.638 $9.627 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: $16.132 10.985In 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	10.985In Stock	$16.132 $12.646 $11.735 $11.359 View $10.835 $10.686 $10.060 Quote	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: $18.468 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	$18.468 $14.526 $13.216 $12.452 View $12.054 $11.723 $10.607 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: $8.807 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 $8.807 $6.790 $6.255 $5.731 Reel $5.138 View $5.309 $4.887	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