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ARM Cortex M4 Core Embedded Processors & Controllers

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Core = ARM Cortex M4

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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 Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G491VET6 STMicroelectronics 1: $10.23 2,159On Order	Mfr. Part # STM32G491VET6 Mouser Part # 511-STM32G491VET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	2,159On Order On Order Ship Dates Mfr. #: STM32G491VET6 Stock: 0 On Order: 1,079 Expected 2/24/2027 1,080 TBD Factory Lead-Time: 52 Weeks	$10.23 $7.96 $6.80 $6.56	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	86 I/O	32 bit	4 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412KBT6 STMicroelectronics 1: $4.58 1,500Expected 2/22/2027	Mfr. Part # STM32L412KBT6 Mouser Part # 511-STM32L412KBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,500Expected 2/22/2027	$4.58 $3.46 $3.01 $2.87	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT		ARM Cortex M4	26 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of of Flash , USB STM32L422KBU6 STMicroelectronics 1: $4.71 2,856Expected 2/24/2027	Mfr. Part # STM32L422KBU6 Mouser Part # 511-STM32L422KBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,856Expected 2/24/2027	$4.71 $3.56 $3.10 $2.95 View $2.71 $2.64	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFQFPN-32	ARM Cortex M4	26 I/O	32 bit	2 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431KBU6TR STMicroelectronics 1: $4.89 3,788On Order	Mfr. Part # STM32L431KBU6TR Mouser Part # 511-STM32L431KBU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	3,788On Order	Cut Tape $4.89 $3.68 $3.28 $3.00 View Reel $2.57 $2.86 $2.57 $2.57 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 3,000	SMD/SMT	UFQFPN-32	ARM Cortex M4	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6TR STMicroelectronics 1: $5.81 2,000Expected 2/22/2027	Mfr. Part # STM32L431RBT6TR Mouser Part # 511-STM32L431RBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,000Expected 2/22/2027	Cut Tape $5.81 $4.54 $3.95 $3.63 View Reel $3.28 $3.52 $3.28 $3.28 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCT3 STMicroelectronics 1: $7.34 2,750On Order	Mfr. Part # STM32L433CCT3 Mouser Part # 511-STM32L433CCT3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,750On Order On Order Ship Dates Mfr. #: STM32L433CCT3 Stock: 0 On Order: 1,250 Expected 2/22/2027 1,500 TBD Factory Lead-Time: 52 Weeks	$7.34 $5.54 $4.95 $4.62 $4.51	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-48	ARM Cortex M4	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD STM32L433RBT6 STMicroelectronics 1: $5.87 2,880On Order	Mfr. Part # STM32L433RBT6 Mouser Part # 511-STM32L433RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,880On Order On Order Ship Dates Mfr. #: STM32L433RBT6 Stock: 0 On Order: 960 Expected 2/22/2027 1,920 TBD Factory Lead-Time: 52 Weeks	$5.87 $4.48 $3.92 $3.75 $3.46	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433VCI6 STMicroelectronics 1: $8.27 2,496On Order	Mfr. Part # STM32L433VCI6 Mouser Part # 511-STM32L433VCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,496On Order	$8.27 $5.78 $5.51 $4.79 View $4.57 $4.39	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFBGA-100	ARM Cortex M4	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM STM32L451REI6 STMicroelectronics 1: $8.22 2,439On Order	Mfr. Part # STM32L451REI6 Mouser Part # 511-STM32L451REI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,439On Order	$8.22 $6.34 $5.72 $5.34 $4.67	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFBGA-64	ARM Cortex M4	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM STM32L451RET6TR STMicroelectronics 1: $8.27 1,323On Order	Mfr. Part # STM32L451RET6TR Mouser Part # 511-STM32L451RET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,323On Order	Cut Tape $8.27 $6.14 $5.89 $5.26 Reel $5.26 MouseReel Available	Min.: 1 Mult.: 1 Max.: 150 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS STM32L452REI6 STMicroelectronics 1: $8.72 2,940On Order	Mfr. Part # STM32L452REI6 Mouser Part # 511-STM32L452REI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,940On Order	$8.72 $6.35 $5.85 $5.30 View $5.00 $4.81	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFBGA-64	ARM Cortex M4	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS STM32L452VCT6 STMicroelectronics 1: $8.35 2,700On Order	Mfr. Part # STM32L452VCT6 Mouser Part # 511-STM32L452VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,700On Order	$8.35 $6.02 $5.59 $5.11	Min.: 1 Mult.: 1 Max.: 200	SMD/SMT	LQFP-100	ARM Cortex M4	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES STM32L462VET6 STMicroelectronics 1: $9.58 775On Order	Mfr. Part # STM32L462VET6 Mouser Part # 511-STM32L462VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	775On Order	$9.58 $7.25 $6.72 $6.25 View $5.92 $5.73	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES STM32L462VET6TR STMicroelectronics 1: $9.88 993On Order	Mfr. Part # STM32L462VET6TR Mouser Part # 511-STM32L462VET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, AES	Datasheet	993On Order	Cut Tape $9.88 $7.64 $7.28 $6.32 Reel $6.32 MouseReel Available	Min.: 1 Mult.: 1 Max.: 150 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M4	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , DFSDM STM32L471RGT6 STMicroelectronics 1: $10.37 2,014On Order	Mfr. Part # STM32L471RGT6 Mouser Part # 511-STM32L471RGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,014On Order	$10.37 $8.04 $7.35 $6.70 View $6.53 $6.14	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , DFSDM STM32L471ZGT6 STMicroelectronics 1: $12.73 1,350On Order	Mfr. Part # STM32L471ZGT6 Mouser Part # 511-STM32L471ZGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,350On Order On Order Ship Dates Mfr. #: STM32L471ZGT6 Stock: 0 On Order: 630 Expected 4/23/2027 720 TBD Factory Lead-Time: 52 Weeks	$12.73 $10.35 $9.07 $8.33	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-144	ARM Cortex M4	114 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB OTG, DFSDM STM32L475RCT6 STMicroelectronics 1: $7.77 1,920On Order	Mfr. Part # STM32L475RCT6 Mouser Part # 511-STM32L475RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,920On Order	$7.77 $5.98 $5.48 $5.04	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash USB OTG, DFSDM STM32L475RET6 STMicroelectronics 1: $8.96 957Expected 1/21/2027	Mfr. Part # STM32L475RET6 Mouser Part # 511-STM32L475RET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	957Expected 1/21/2027	$8.96 $6.94 $6.13 $5.88	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , USB OTG, DFSDM STM32L475RGT6 STMicroelectronics 1: $11.30 1,919Expected 2/22/2027	Mfr. Part # STM32L475RGT6 Mouser Part # 511-STM32L475RGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,919Expected 2/22/2027	$11.30 $8.80 $7.80 $7.31	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , USB OTG, DFSDM STM32L475VGT6 STMicroelectronics 1: $11.84 978Expected 2/24/2027	Mfr. Part # STM32L475VGT6 Mouser Part # 511-STM32L475VGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	978Expected 2/24/2027	$11.84 $9.03 $8.38 $7.80	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-100	ARM Cortex M4	82 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D STM32L476RET6 STMicroelectronics 1: $9.80 1,627Expected 12/9/2026	Mfr. Part # STM32L476RET6 Mouser Part # 511-STM32L476RET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,627Expected 12/9/2026	$9.80 $7.53 $6.71 $6.24	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, DFSD STM32L476VGT6 STMicroelectronics 1: $11.78 1,604Expected 2/22/2027	Mfr. Part # STM32L476VGT6 Mouser Part # 511-STM32L476VGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, DFSD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,604Expected 2/22/2027	$11.78 $8.58 $7.89	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-100	ARM Cortex M4	82 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D STM32L476ZET6 STMicroelectronics 1: $11.50 305On Order	Mfr. Part # STM32L476ZET6 Mouser Part # 511-STM32L476ZET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 Kbytes of Flash LCD, USB OTG, D Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	305On Order	$11.50 $8.98 $7.97 $7.65 $7.03	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M4	114 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- STM32L486RGT6 STMicroelectronics 1: $11.99 886Expected 2/22/2027	Mfr. Part # STM32L486RGT6 Mouser Part # 511-STM32L486RGT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	886Expected 2/22/2027	$11.99 $9.50 $8.88	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- STM32L486RGT7 STMicroelectronics 1: $12.08 956On Order	Mfr. Part # STM32L486RGT7 Mouser Part # 511-STM32L486RGT7	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES- Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	956On Order	$12.08 $9.45 $8.39 $8.06	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	3 x 12 bit