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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 XL-Density Access Line 32-Bit 1G Flash STM32F103ZGH6 STMicroelectronics 1: $16.36 14In Stock 2,208Expected 9/13/2027	Mfr. Part # STM32F103ZGH6 Mouser Part # 511-STM32F103ZGH6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 1G Flash Learn More about STMicroelectronics stm32f1	Datasheet	14In Stock 2,208Expected 9/13/2027	$16.36 $13.36 $12.28 $11.59 View $11.47 $11.13 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN, STM32F105R8T6TR STMicroelectronics 1: $9.05 22In Stock 1,000On Order	Mfr. Part # STM32F105R8T6TR Mouser Part # 511-STM32F105R8T6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 64 Kbytes of Flash 72 MHz CPU, CAN, Learn More about STMicroelectronics stm32f1	Datasheet	22In Stock 1,000On Order	Cut Tape $9.05 $8.26 $6.34 $5.91 View Reel $4.63 $5.73 $5.05 $4.63 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 32-Bit ARM Cortex 256kb Connectivity STM32F105RCT6TR STMicroelectronics 1: $10.69 27In Stock 1,000On Order	Mfr. Part # STM32F105RCT6TR Mouser Part # 511-STM32F105RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 256kb Connectivity Learn More about STMicroelectronics stm32f1	Datasheet	27In Stock 1,000On Order	Cut Tape $10.69 $8.26 $7.88 $6.84 View Reel $6.03 $6.63 $6.18 $6.03 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 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105V8T6 STMicroelectronics 1: $9.48 7In Stock 540Expected 6/28/2027	Mfr. Part # STM32F105V8T6 Mouser Part # 511-STM32F105V8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	7In Stock 540Expected 6/28/2027	$9.48 $7.18 $6.34 $6.02 $5.74	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Connective ARM 32Bit 256kB Flash USB OTG STM32F105VCT6TR STMicroelectronics 1: $10.85 24In Stock 1,000Expected 1/25/2027	Mfr. Part # STM32F105VCT6TR Mouser Part # 511-STM32F105VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Connective ARM 32Bit 256kB Flash USB OTG Learn More about STMicroelectronics stm32f105	Datasheet	24In Stock 1,000Expected 1/25/2027	Cut Tape $10.85 $8.59 $7.99 $7.32 View Reel $6.27 $7.15 $6.58 $6.27 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line STM32F105VCT7 STMicroelectronics 1: $12.56 5In Stock 540Expected 10/25/2027	Mfr. Part # STM32F105VCT7 Mouser Part # 511-STM32F105VCT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line Learn More about STMicroelectronics stm32f105	Datasheet	5In Stock 540Expected 10/25/2027	$12.56 $9.57 $8.99 $8.42 View $7.83 $7.82	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F107RCT6TR STMicroelectronics 1: $11.74 24In Stock 4,000On Order	Mfr. Part # STM32F107RCT6TR Mouser Part # 511-STM32F107RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics STM32F107	Datasheet	24In Stock 4,000On Order	Cut Tape $11.74 $9.14 $8.45 $7.66 View Reel $6.82 $7.47 $7.00 $6.82 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 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107VCT6 STMicroelectronics 1: $14.37 11,880On Order	Mfr. Part # STM32F107VCT6 Mouser Part # 511-STM32F107VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	11,880On Order On Order Ship Dates Mfr. #: STM32F107VCT6 Stock: 0 On Order: 3,240 Expected 7/26/2027 8,640 Expected 8/30/2027 Factory Lead-Time: 52 Weeks	$14.37 $11.26 $8.43 $8.42	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 128 Kbytes of Flash , 120 MHz CPU, ART Accel STM32F205RBT6TR STMicroelectronics 1: $11.81 91In Stock 2,000On Order	Mfr. Part # STM32F205RBT6TR Mouser Part # 511-STM32F205RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 128 Kbytes of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	91In Stock 2,000On Order	Cut Tape $11.81 $9.20 $8.15 $7.83 $7.28 Reel $7.00 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 32-Bit ARM Cortex 128kb Connectivity STM32F205RBT7 STMicroelectronics 1: $12.32 23In Stock 12,480Expected 2/22/2027	Mfr. Part # STM32F205RBT7 Mouser Part # 511-STM32F205RBT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 128kb Connectivity Learn More about STMicroelectronics stm32f2	Datasheet	23In Stock 12,480Expected 2/22/2027	$12.32 $9.60 $8.87 $7.97 View $7.77 $7.61 $7.60	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB STM32F205RCT6 STMicroelectronics 1: $12.64 157In Stock 960Expected 2/22/2027	Mfr. Part # STM32F205RCT6 Mouser Part # 511-STM32F205RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB Learn More about STMicroelectronics stm32f2	Datasheet	157In Stock 960Expected 2/22/2027	$12.64 $9.87 $9.21 $8.21 View $8.01 $7.61 $7.44 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel STM32F205RCT6TR STMicroelectronics 1: $11.82 91In Stock 3,000Expected 2/22/2027	Mfr. Part # STM32F205RCT6TR Mouser Part # 511-STM32F205RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	91In Stock 3,000Expected 2/22/2027	Cut Tape $11.82 $9.66 $9.21 $7.71 $7.17 Reel $7.01 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT		ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 512Kb STM32F205RET6TR STMicroelectronics 1: $13.29 239In Stock 1,000On Order	Mfr. Part # STM32F205RET6TR Mouser Part # 511-STM32F205RET6TR	STMicroelectronics	ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 512Kb Learn More about STMicroelectronics stm32f2	Datasheet	239In Stock 1,000On Order	Cut Tape $13.29 $10.42 $9.27 $8.91 View Reel $8.11 $8.74 $8.31 $8.11 Quote 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 32BIT ARM Cortex M3 Connectivity 768kB STM32F205RFT6 STMicroelectronics 1: $14.87 54In Stock	Mfr. Part # STM32F205RFT6 Mouser Part # 511-STM32F205RFT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB Learn More about STMicroelectronics stm32f2	Datasheet	54In Stock	$14.87 $11.65 $10.79 $9.96 View $9.61 $8.70 $8.58 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB STM32F205VCT6 STMicroelectronics 1: $13.60 203In Stock 540Expected 2/22/2027	Mfr. Part # STM32F205VCT6 Mouser Part # 511-STM32F205VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB Learn More about STMicroelectronics stm32f2	Datasheet	203In Stock 540Expected 2/22/2027	$13.60 $10.02 $9.34 $8.86 $8.52	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High Perf ARM 32Bit 256kB Flash 100-Pin STM32F205VCT6TR STMicroelectronics 1: $14.66 21In Stock	Mfr. Part # STM32F205VCT6TR Mouser Part # 511-STM32F205VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU High Perf ARM 32Bit 256kB Flash 100-Pin Learn More about STMicroelectronics stm32f2	Datasheet	21In Stock	Cut Tape $14.66 $11.48 $9.26 $8.78 View Reel $8.29 $8.77 $8.29 $8.29 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance ARM Cortex-M3 MCU STM32F205VET6TR STMicroelectronics 1: $14.88 72In Stock	Mfr. Part # STM32F205VET6TR Mouser Part # 511-STM32F205VET6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f2	Datasheet	72In Stock	Cut Tape $14.88 $11.68 $10.63 $10.00 View Reel $8.96 $9.81 $9.23 $8.96 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB STM32F205VFT6 STMicroelectronics 1: $16.12 46In Stock	Mfr. Part # STM32F205VFT6 Mouser Part # 511-STM32F205VFT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB Learn More about STMicroelectronics stm32f2	Datasheet	46In Stock	$16.12 $12.36 $11.42 $10.80 View $10.42 $10.06 $9.84	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB STM32F205VGT6 STMicroelectronics 1: $15.20 6In Stock 1,620Expected 2/22/2027	Mfr. Part # STM32F205VGT6 Mouser Part # 511-STM32F205VGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	6In Stock 1,620Expected 2/22/2027	$15.20 $12.03 $11.28 $10.42 View $10.29 $10.25	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity STM32F205VGT7 STMicroelectronics 1: $19.39 5In Stock	Mfr. Part # STM32F205VGT7 Mouser Part # 511-STM32F205VGT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity Learn More about STMicroelectronics stm32f2	Datasheet	5In Stock	$19.39 $14.82 $13.73 $13.32 $12.45	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3		32 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB STM32F205ZCT6 STMicroelectronics 1: $16.89 69In Stock 360On Order	Mfr. Part # STM32F205ZCT6 Mouser Part # 511-STM32F205ZCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB Learn More about STMicroelectronics stm32f2	Datasheet	69In Stock 360On Order	$16.89 $13.30 $11.73 $10.03 $10.02	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel STM32F205ZCT7 STMicroelectronics 1: $16.80 6In Stock	Mfr. Part # STM32F205ZCT7 Mouser Part # 511-STM32F205ZCT7	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	6In Stock	$16.80 $12.93 $11.72 $11.03 $10.02	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB STM32F205ZET6 STMicroelectronics 1: $16.57 16In Stock 360Expected 2/22/2027	Mfr. Part # STM32F205ZET6 Mouser Part # 511-STM32F205ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	16In Stock 360Expected 2/22/2027	$16.57 $13.09 $11.44 $11.28 $11.16	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance ARM Cortex-M3 MCU STM32F205ZET6TR STMicroelectronics 1: $17.24 41In Stock	Mfr. Part # STM32F205ZET6TR Mouser Part # 511-STM32F205ZET6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f2	Datasheet	41In Stock	Cut Tape $17.24 $13.55 $12.35 $11.62 Reel $10.84 View $11.40 $10.71 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 512Kb STM32F205ZET7 STMicroelectronics 1: $16.48 111In Stock 360Expected 2/22/2027	Mfr. Part # STM32F205ZET7 Mouser Part # 511-STM32F205ZET7	STMicroelectronics	ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 512Kb Learn More about STMicroelectronics stm32f2	Datasheet	111In Stock 360Expected 2/22/2027	$16.48 $13.21 $12.10 $11.45 View $10.84 $10.54 $10.43	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit