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ARM Cortex M4 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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 Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal STM32G431VBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G431VBT6 Mouser Part No 511-STM32G431VBT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32G4	SMD/SMT	LQFP-100	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	170 MHz	86 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal STM32G441KBT6 STMicroelectronics 1: HK$55.16 648In Stock 1,500On Order	Mfr. Part No. STM32G441KBT6 Mouser Part No 511-STM32G441KBT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	648In Stock 1,500On Order	HK$55.16 HK$42.33 HK$37.15 HK$35.51 HK$34.77	Min.: 1 Mult.: 1 Max.: 250	STM32G4	SMD/SMT	LQFP-32	ARM Cortex M4	128 kB	32 bit	12 bit	150 MHz	26 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, HR Timer, H STM32G474VBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G474VBT6 Mouser Part No 511-STM32G474VBT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, HR Timer, H Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	LQFP-100	ARM Cortex M4	128 kB	32 bit	5 x 12 bit	170 MHz	86 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H STM32G484CET6 STMicroelectronics 1: HK$85.73 9,408On Order	Mfr. Part No. STM32G484CET6 Mouser Part No 511-STM32G484CET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 512 Kbytes of Flash Math Accel, HR Timer, H Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	9,408On Order On Order Ship Dates Mfr. No: STM32G484CET6 Stock: 0 On Order: 1,908 Expected 12/11/2026 7,500 TBD Factory Lead Time: 52 Weeks	HK$85.73 HK$66.25 HK$63.21 HK$54.91	Min.: 1 Mult.: 1 Max.: 150	STM32G4	SMD/SMT	LQFP-48	ARM Cortex M4	512 kB	32 bit	12 bit	170 MHz	38 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory STM32G491MET6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G491MET6 Mouser Part No 511-STM32G491MET6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32G4	SMD/SMT	LQFP-80	ARM Cortex M4	512 kB	32 bit	4 x 12 bit	170 MHz	66 I/O	112 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412CBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L412CBU6 Mouser Part No 511-STM32L412CBU6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L412CB	SMD/SMT		ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	38 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB STM32L412K8T6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L412K8T6 Mouser Part No 511-STM32L412K8T6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L412K8	SMD/SMT	LQFP-32	ARM Cortex M4	64 kB	32 bit	2 x 12 bit	80 MHz	26 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB STM32L412K8U6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L412K8U6 Mouser Part No 511-STM32L412K8U6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L412K8	SMD/SMT	QFN-32	ARM Cortex M4	64 kB	32 bit	2 x 12 bit	80 MHz	26 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412KBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L412KBU6 Mouser Part No 511-STM32L412KBU6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L412KB	SMD/SMT	UFQFPN-32	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	26 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L412RBT6 Mouser Part No 511-STM32L412RBT6	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L412RB	SMD/SMT		ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	52 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6P STMicroelectronics Restricted Availability	Mfr. Part No. STM32L412RBT6P Mouser Part No 511-STM32L412RBT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L412RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	52 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L431RBT6 Mouser Part No 511-STM32L431RBT6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L431RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash STM32L431RCI6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L431RCI6 Mouser Part No 511-STM32L431RCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L431RC	SMD/SMT	UFBGA-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash STM32L432KBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L432KBU6 Mouser Part No 511-STM32L432KBU6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L432KB	SMD/SMT	UFQFPN-32	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	26 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD STM32L433CBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L433CBU6 Mouser Part No 511-STM32L433CBU6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L433CB	SMD/SMT	UFQFPN-48	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L433CCT6 Mouser Part No 511-STM32L433CCT6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L433CC	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCU3 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L433CCU3 Mouser Part No 511-STM32L433CCU3	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L433CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD STM32L433RBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L433RBT6 Mouser Part No 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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L433RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443CCU6 STMicroelectronics 1: HK$60.17 1,022In Stock	Mfr. Part No. STM32L443CCU6 Mouser Part No 511-STM32L443CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,022In Stock	HK$60.17 HK$44.22 HK$41.18 HK$36.25 HK$34.36	Min.: 1 Mult.: 1 Max.: 300	STM32L443CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443RCT6 STMicroelectronics 1: HK$56.47 2,488In Stock	Mfr. Part No. STM32L443RCT6 Mouser Part No 511-STM32L443RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,488In Stock	HK$56.47 HK$43.32 HK$38.06 HK$36.41 HK$33.70	Min.: 1 Mult.: 1 Max.: 500	STM32L443RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM STM32L451CEU6TR STMicroelectronics Restricted Availability	Mfr. Part No. STM32L451CEU6TR Mouser Part No 511-STM32L451CEU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash , DFSDM Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L451CE	SMD/SMT	QFN-48	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	38 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM STM32L451VCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L451VCT6 Mouser Part No 511-STM32L451VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L451VC	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS STM32L452CCU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L452CCU6 Mouser Part No 511-STM32L452CCU6	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L452CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS STM32L452CEU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L452CEU6 Mouser Part No 511-STM32L452CEU6	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L452CE	SMD/SMT	QFN-48	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	38 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 512 kbytes of Flash USB Device, DFS STM32L452RET6P STMicroelectronics Restricted Availability	Mfr. Part No. STM32L452RET6P Mouser Part No 511-STM32L452RET6P	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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32L452RE	SMD/SMT	LQFP-64	ARM Cortex M4	512 kB	32 bit	12 bit	80 MHz	52 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray