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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 High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel STM32F205ZGT7 STMicroelectronics 1: $21.78 5In Stock	Mfr. Part # STM32F205ZGT7 Mouser Part # 511-STM32F205ZGT7	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	5In Stock	$21.78 $16.84 $15.60 $14.54 $13.89	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 STM32F207IET6 STMicroelectronics 1: $19.46 3In Stock	Mfr. Part # STM32F207IET6 Mouser Part # 511-STM32F207IET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	3In Stock	$19.46 $16.92 $13.79 $12.93 $11.86	Min.: 1 Mult.: 1	SMD/SMT	LQFP-176	ARM Cortex M3	140 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB STM32F207IGT6 STMicroelectronics 1: $21.23 42In Stock 800Expected 2/22/2027	Mfr. Part # STM32F207IGT6 Mouser Part # 511-STM32F207IGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	42In Stock 800Expected 2/22/2027	$21.23 $21.09 $14.73 $14.41 $13.61	Min.: 1 Mult.: 1	SMD/SMT	LQFP-176	ARM Cortex M3	140 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB STM32F207VCT6 STMicroelectronics 1: $15.70 71In Stock 540Expected 2/22/2027	Mfr. Part # STM32F207VCT6 Mouser Part # 511-STM32F207VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB Learn More about STMicroelectronics stm32f2	Datasheet	71In Stock 540Expected 2/22/2027	$15.70 $11.52 $10.62 $9.89	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash 120 MHz CPU, ART Accel, E STM32F207VCT6TR STMicroelectronics 1: $13.85 18In Stock	Mfr. Part # STM32F207VCT6TR Mouser Part # 511-STM32F207VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash 120 MHz CPU, ART Accel, E Learn More about STMicroelectronics stm32f2	Datasheet	18In Stock	Cut Tape $13.85 $10.88 $9.68 $9.31 View Reel $8.50 $9.15 $8.70 $8.50 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 1024kB STM32F207VGT6 STMicroelectronics 1: $18.66 14In Stock 2,700Expected 2/22/2027	Mfr. Part # STM32F207VGT6 Mouser Part # 511-STM32F207VGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	14In Stock 2,700Expected 2/22/2027	$18.66 $14.79 $12.51 $12.14 View $11.98 $11.39 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM Cortex-M3 MCU 1Mb Flash 120MHz STM32F207VGT6TR STMicroelectronics 1: $19.13 14In Stock 1,000Expected 2/24/2027	Mfr. Part # STM32F207VGT6TR Mouser Part # 511-STM32F207VGT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex-M3 MCU 1Mb Flash 120MHz Learn More about STMicroelectronics stm32f2	Datasheet	14In Stock 1,000Expected 2/24/2027	Cut Tape $19.13 $15.06 $13.74 $12.93 View Reel $10.92 $12.68 $11.71 $10.92 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 256kB STM32F207ZCT6 STMicroelectronics 1: $16.35 16In Stock	Mfr. Part # STM32F207ZCT6 Mouser Part # 511-STM32F207ZCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB Learn More about STMicroelectronics stm32f2	Datasheet	16In Stock	$16.35 $12.81 $11.86 $10.95 $10.76	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 STM32F207ZET6 STMicroelectronics 1: $18.73 51In Stock 360Expected 2/22/2027	Mfr. Part # STM32F207ZET6 Mouser Part # 511-STM32F207ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	51In Stock 360Expected 2/22/2027	$18.73 $13.15 $11.86 $11.55 View $11.31 $11.25	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity STM32F207ZGT7 STMicroelectronics 1: $22.15 109In Stock 720Expected 2/22/2027	Mfr. Part # STM32F207ZGT7 Mouser Part # 511-STM32F207ZGT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity Learn More about STMicroelectronics stm32f2	Datasheet	109In Stock 720Expected 2/22/2027	$22.15 $17.65 $15.38 $14.86 $14.02	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 1024kB STM32F215RGT6 STMicroelectronics 1: $17.12 15In Stock 1,920On Order	Mfr. Part # STM32F215RGT6 Mouser Part # 511-STM32F215RGT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 1024kB Learn More about STMicroelectronics stm32f2	Datasheet	15In Stock 1,920On Order On Order Ship Dates Mfr. #: STM32F215RGT6 Stock: 15 Can Ship Immediately On Order: 960 Expected 2/22/2027 960 TBD Factory Lead-Time: 52 Weeks	$17.12 $13.54 $11.91 $11.18 View $10.98 $10.82	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 512kB STM32F217VET6 STMicroelectronics 1: $16.57 21In Stock	Mfr. Part # STM32F217VET6 Mouser Part # 511-STM32F217VET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	21In Stock	$16.57 $12.25 $11.32 $10.57 View $10.01 $9.88 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	82 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM Cortex M3 512kB USB OTG 150DMIPs 17 STM32F217VET6TR STMicroelectronics 1: $17.56 1In Stock 2,000Expected 2/24/2027	Mfr. Part # STM32F217VET6TR Mouser Part # 511-STM32F217VET6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex M3 512kB USB OTG 150DMIPs 17 Learn More about STMicroelectronics stm32f2	Datasheet	1In Stock 2,000Expected 2/24/2027	Cut Tape $17.56 $13.55 $12.35 $11.62 View Reel $10.29 $11.40 $10.57 $10.29 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 32BIT ARM Cortex M3 Connectivity 512kB STM32F217ZET6 STMicroelectronics 1: $18.70 55In Stock	Mfr. Part # STM32F217ZET6 Mouser Part # 511-STM32F217ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	55In Stock	$18.70 $14.83 $13.14 $12.37 View $11.56 $11.11 $11.10 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz C STM32L100RCT6TR STMicroelectronics 1: $8.67 47In Stock 1,000Expected 3/8/2027	Mfr. Part # STM32L100RCT6TR Mouser Part # 511-STM32L100RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz C Learn More about STMicroelectronics stm32l1	Datasheet	47In Stock 1,000Expected 3/8/2027	Cut Tape $8.67 $6.58 $5.90 $5.45 Reel $4.81 View $5.20 $4.94 $4.66 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 Ultra-low-power Arm Cortex-M3 MCU 32 Kbytes of Flash , 32 MHz CPU, USB STM32L151C6T6ATR STMicroelectronics 1: $4.69 52In Stock 4,800On Order	Mfr. Part # STM32L151C6T6ATR Mouser Part # 511-STM32L151C6T6ATR	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	52In Stock 4,800On Order	Cut Tape $4.69 $3.63 $3.21 $3.08 View Reel $2.96 $3.07 $2.97 $2.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB STM32L151C8U6A STMicroelectronics 1: $7.33 10In Stock 1,560Expected 3/22/2027	Mfr. Part # STM32L151C8U6A Mouser Part # 511-STM32L151C8U6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	10In Stock 1,560Expected 3/22/2027	$7.33 $5.39 $4.64 $4.23 View $4.01 $3.72 $3.68	Min.: 1 Mult.: 1	SMD/SMT	UFQPFN-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCT6TR STMicroelectronics 1: $8.91 33In Stock 4,800On Order	Mfr. Part # STM32L151CCT6TR Mouser Part # 511-STM32L151CCT6TR	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	33In Stock 4,800On Order	Cut Tape $8.91 $6.83 $6.23 $5.65 View Reel $4.85 $5.51 $5.06 $4.85 $4.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB STM32L151R8T6A STMicroelectronics 1: $6.84 21In Stock	Mfr. Part # STM32L151R8T6A Mouser Part # 511-STM32L151R8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	21In Stock	$6.84 $5.24 $4.60 $4.29 View $4.16 $4.11 $3.80 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151RBT6ATR STMicroelectronics 1: $8.12 7In Stock 2,000Expected 2/22/2027	Mfr. Part # STM32L151RBT6ATR Mouser Part # 511-STM32L151RBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	7In Stock 2,000Expected 2/22/2027	Cut Tape $8.12 $5.84 $5.41 $4.95 View Reel $4.48 $4.83 $4.49 $4.48 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 Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB STM32L151V8T6A STMicroelectronics 1: $7.52 324In Stock	Mfr. Part # STM32L151V8T6A Mouser Part # 511-STM32L151V8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	324In Stock	$7.52 $5.53 $5.17 $4.83 View $4.59 $4.30 $4.24 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M3	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152C8T6A STMicroelectronics 1: $6.61 342In Stock 1,500Expected 2/22/2027	Mfr. Part # STM32L152C8T6A Mouser Part # 511-STM32L152C8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 64 Kbytes of Flash , 32 MHz CPU, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	342In Stock 1,500Expected 2/22/2027	$6.61 $5.06 $4.44 $4.25 View $4.05 $4.01 $3.70 $3.64 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, LCD, USB STM32L152RBT6A STMicroelectronics 1: $8.69 34In Stock 27,840On Order	Mfr. Part # STM32L152RBT6A Mouser Part # 511-STM32L152RBT6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, LCD, USB Learn More about STMicroelectronics stm32l1	Datasheet	34In Stock 27,840On Order	$8.69 $6.44 $6.14 $5.63 View $5.50 $4.97 $4.92 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU STM32L152RDT6 STMicroelectronics 1: $11.08 26In Stock	Mfr. Part # STM32L152RDT6 Mouser Part # 511-STM32L152RDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	26In Stock	$11.08 $9.07 $8.29 $7.49 View $7.25 $6.26	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU STM32L152ZDT6 STMicroelectronics 1: $14.83 56In Stock	Mfr. Part # STM32L152ZDT6 Mouser Part # 511-STM32L152ZDT6	STMicroelectronics	ARM Microcontrollers - MCU STM32L15 Low Power M3 384kB 32MHz MCU Learn More about STMicroelectronics stm32l1	Datasheet	56In Stock	$14.83 $11.67 $10.30 $9.92 View $9.81 $8.73 $8.65 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M3	115 I/O	32 bit	12 bit