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ARM Cortex M3 Core Embedded Processors & Controllers

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Core = ARM Cortex M3

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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.	Mounting Style	Package / Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU STM32F102CBT6 STMicroelectronics 1: $8.59 903In Stock	Mfr. Part # STM32F102CBT6 Mouser Part # 511-STM32F102CBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	903In Stock	$8.59 $6.00 $5.72 $4.97 View $4.75 $4.53 $4.41 $4.30 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins STM32F103RBH6 STMicroelectronics 1: $7.38 4,712In Stock	Mfr. Part # STM32F103RBH6 Mouser Part # 511-STM32F103RBH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins Learn More about STMicroelectronics stm32f1	Datasheet	4,712In Stock	$7.38 $5.89 $5.50 $5.12 View $5.03 $4.79 $4.78 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 20KB RAM STM32F103V8T6TR STMicroelectronics 1: $8.81 1,141In Stock	Mfr. Part # STM32F103V8T6TR Mouser Part # 511-STM32F103V8T6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 20KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	1,141In Stock	Cut Tape $8.81 $6.81 $6.01 $5.77 View Reel $4.94 $5.65 $5.34 $4.94 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	100 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB STM32F207VFT6 STMicroelectronics 1: $17.37 514In Stock	Mfr. Part # STM32F207VFT6 Mouser Part # 511-STM32F207VFT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB Learn More about STMicroelectronics stm32f2	Datasheet	514In Stock	$17.37 $13.65 $12.61 $11.64 View $11.43 $10.73 $10.60	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	16 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L152RET6 STMicroelectronics 1: $8.59 974In Stock	Mfr. Part # STM32L152RET6 Mouser Part # 511-STM32L152RET6	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	974In Stock	$8.59 $7.25 $6.80 $6.55 $6.54	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Cortex-M3 MCU 128 Kbytes of Flash , RTC, LCD, USB STM32L152VBT6A STMicroelectronics 1: $9.20 727In Stock	Mfr. Part # STM32L152VBT6A Mouser Part # 511-STM32L152VBT6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Cortex-M3 MCU 128 Kbytes of Flash , RTC, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	727In Stock	$9.20 $6.63 $6.08 $5.92 View $5.74 $5.49 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5667AXI-LP006 Infineon Technologies 1: $20.69 1,775In Stock	Mfr. Part # CY8C5667AXI-LP006 Mouser Part # 727-CY8C5667AXILP006	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	1,775In Stock	$20.69 $16.49 $14.36 $13.86 View $12.43 $12.37 Quote	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	62 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1857JBD208E NXP Semiconductors 1: $21.40 763In Stock	Mfr. Part # LPC1857JBD208E Mouser Part # 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	763In Stock	$21.40 $19.28 $16.80 $16.03 View $15.84 $15.46	Min.: 1 Mult.: 1	SMD/SMT	LQFP-208	ARM Cortex M3	142 I/O	32 bit	2 x 10 bit
ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash STM32F100VCT6B STMicroelectronics 1: $7.49 667In Stock	Mfr. Part # STM32F100VCT6B Mouser Part # 511-STM32F100VCT6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	667In Stock	$7.49 $5.33 $5.07 $4.77 View $4.57 $4.47 $4.46	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3		32 bit	12 bit
ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 512kB Flash STM32F100VET6B STMicroelectronics 1: $11.06 567In Stock	Mfr. Part # STM32F100VET6B Mouser Part # 511-STM32F100VET6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 512kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	567In Stock	$11.06 $8.03 $7.38 $6.85 View $6.83 $6.67	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3		32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE STM32F103C6T7A STMicroelectronics 1: $5.95 966In Stock	Mfr. Part # STM32F103C6T7A Mouser Part # 511-STM32F103C6T7A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	966In Stock	$5.95 $4.63 $4.35 $4.05 View $3.91 $3.88 $3.76 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN 32KB STM32F103R6T6A STMicroelectronics 1: $7.10 1,001In Stock	Mfr. Part # STM32F103R6T6A Mouser Part # 511-STM32F103R6T6A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN 32KB Learn More about STMicroelectronics stm32f1	Datasheet	1,001In Stock	$7.10 $5.45 $4.79 $4.65 View $4.56 $4.28 $4.13 $4.02 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash STM32F103RGT6 STMicroelectronics 1: $15.89 891In Stock 2,880On Order	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	891In Stock 2,880On Order On Order Ship Dates Mfr. #: STM32F103RGT6 Stock: 891 Can Ship Immediately On Order: 960 Expected 11/2/2026 1,920 Expected 1/25/2027 Factory Lead-Time: 52 Weeks	$15.89 $12.49 $11.27 $10.54 View $10.43 $10.08 $10.07	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE STM32F103VEH6 STMicroelectronics 1: $12.22 339In Stock	Mfr. Part # STM32F103VEH6 Mouser Part # 511-STM32F103VEH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE Learn More about STMicroelectronics stm32f1	Datasheet	339In Stock	$12.22 $9.88 $9.11 $8.38 Quote Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 512 Kbytes of Flash , 120 MHz CPU, ART Accel STM32F205VET7 STMicroelectronics 1: $15.33 511In Stock	Mfr. Part # STM32F205VET7 Mouser Part # 511-STM32F205VET7	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 512 Kbytes of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	511In Stock	$15.33 $11.29 $10.43 $9.72 $9.51	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB STM32L151C6U6A STMicroelectronics 1: $6.78 1,498In Stock	Mfr. Part # STM32L151C6U6A Mouser Part # 511-STM32L151C6U6A	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	1,498In Stock	$6.78 $4.66 $4.34 $3.82 View $3.62 $3.25 $2.85 $2.84	Min.: 1 Mult.: 1	SMD/SMT	UFQPFN-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM Cortex M3 384kB Ultralow 10Ports USB STM32L151RDT6TR STMicroelectronics 1: $10.03 905In Stock	Mfr. Part # STM32L151RDT6TR Mouser Part # 511-STM32L151RDT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 384kB Ultralow 10Ports USB Learn More about STMicroelectronics stm32l1	Datasheet	905In Stock	Cut Tape $10.03 $7.79 $6.90 $6.62 $6.27 Reel $5.99 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K CY8C5668AXI-LP013 Infineon Technologies 1: $24.72 123In Stock	Mfr. Part # CY8C5668AXI-LP013 Mouser Part # 727-CY8C5668AXILP013	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,256K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	123In Stock	$24.72 $21.08 $20.91 $20.90	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	ARM Cortex M3	72 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 LPC1823JET100E NXP Semiconductors 1: $19.73 520In Stock	Mfr. Part # LPC1823JET100E Mouser Part # 771-LPC1823JET100E	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	520In Stock	$19.73 $15.72 $14.11 $13.61 View $13.43 $12.96 Quote	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	49 I/O	32 bit	2 x 10 bit
ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 MCU; 1 MB flash and 136 kB SRAM; Ethernet, two High-speed USB, EMC, AES engine LPC18S37JET100E NXP Semiconductors 1: $21.19 259In Stock	Mfr. Part # LPC18S37JET100E Mouser Part # 771-LPC18S37JET100E	NXP Semiconductors	ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 MCU; 1 MB flash and 136 kB SRAM; Ethernet, two High-speed USB, EMC, AES engine Learn More about NXP Semiconductors nxp lpc18sx mcu	Datasheet	259In Stock	$21.19 $16.92 $15.21 $15.19 View $13.97 $13.48 Quote	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	49 I/O	32 bit	10 bit
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152CBT6 STMicroelectronics 1: $8.68 768In Stock NRND	Mfr. Part # STM32L152CBT6 Mouser Part # 511-STM32L152CBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow Learn More about STMicroelectronics stm32l1	Datasheet	768In Stock	$8.68 $6.71 $5.92 $5.67 View $5.41 $5.26 $4.92 $4.78 Quote	Min.: 1 Mult.: 1	SMD/SMT		ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG230F256G-F-QFN64R Silicon Labs 1: $11.35 1,937In Stock	Mfr. Part # EFM32LG230F256G-F-QFN64R Mouser Part # 634-32LG230F256GFQFR	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,937In Stock	Cut Tape $11.35 $8.86 $8.23 $7.55 $7.24 Reel $6.54	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-64	ARM Cortex M3	56 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG840F32-D-QFN64 Silicon Labs 1: $6.69 626In Stock	Mfr. Part # EFM32TG840F32-D-QFN64 Mouser Part # 634-EFM32TG840F32-D	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	626In Stock	$6.69 $5.29 $4.74 $4.44 View $4.22 $4.09 $4.07 $4.01	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M3	56 I/O	32 bit	12 bit
ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B ATSAM3U1CB-CU Microchip Technology 1: $6.25 261In Stock	Mfr. Part # ATSAM3U1CB-CU Mouser Part # 556-ATSAM3U1CB-CU	Microchip Technology	ARM Microcontrollers - MCU TFBGA, Grn, IT MRL B Learn More about Microchip Technology microchip sam3u mcus	Datasheet	261In Stock	$6.25 $5.68 $5.39 $5.38	Min.: 1 Mult.: 1	SMD/SMT	TFBGA-100	ARM Cortex M3	57 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32B ARM Cortex-M3 256Kb Flsh 32MHz CPU STM32L151VCT6 STMicroelectronics 1: $7.52 1,510In Stock NRND	Mfr. Part # STM32L151VCT6 Mouser Part # 511-STM32L151VCT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32B ARM Cortex-M3 256Kb Flsh 32MHz CPU Learn More about STMicroelectronics stm32l1	Datasheet	1,510In Stock	$7.52 $6.13 $5.69 $5.57 View $5.35 $5.24	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	83 I/O	32 bit	12 bit