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256 kB 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	Qualification	Packaging
ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC20J18A-AUT Microchip Technology Restricted Availability	Mfr. Part No. ATSAMC20J18A-AUT Mouser Part No 556-ATSAMC20J18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	ATSAMC20	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	2.7 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32TQFP 105C, GREEN,1.6-3.6V,48MHz ATSAMD20E18A-AN Microchip Technology Restricted Availability	Mfr. Part No. ATSAMD20E18A-AN Mouser Part No 556-ATSAMD20E18A-AN	Microchip Technology	ARM Microcontrollers - MCU 32TQFP 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SAMD1/2x	SMD/SMT	TQFP-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Cortx-M0+256KB FLASH ATSAMD20E18A-AU Microchip Technology Restricted Availability	Mfr. Part No. ATSAMD20E18A-AU Mouser Part No 556-ATSAMD20E18A-AU	Microchip Technology	ARM Microcontrollers - MCU Cortx-M0+256KB FLASH Learn More about Microchip Technology atmel samd20 mcu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SAMD1/2x	SMD/SMT	TQFP-32	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 32QFN 105C, GREEN,1.6-3.6V,48MHz ATSAMD20E18A-MN Microchip Technology Restricted Availability	Mfr. Part No. ATSAMD20E18A-MN Mouser Part No 556-ATSAMD20E18A-MN	Microchip Technology	ARM Microcontrollers - MCU 32QFN 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SAMD1/2x	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 48TQFP 105C, GREEN,1.6-3.6V,48MHz ATSAMD20G18A-AN Microchip Technology Restricted Availability	Mfr. Part No. ATSAMD20G18A-AN Mouser Part No 556-ATSAMD20G18A-AN	Microchip Technology	ARM Microcontrollers - MCU 48TQFP 105C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology atmel samd20 mcu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SAMD1/2x	SMD/SMT	TQFP-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21E18A-MF Microchip Technology Restricted Availability	Mfr. Part No. ATSAMD21E18A-MF Mouser Part No 556-ATSAMD21E18A-MF	Microchip Technology	ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SAMD21	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21E18A-MFT Microchip Technology Restricted Availability	Mfr. Part No. ATSAMD21E18A-MFT Mouser Part No 556-ATSAMD21E18A-MFT	Microchip Technology	ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability	SAMD21	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Extended Temp ATSAMD51J18A-MF Microchip Technology 1: HK$47.27 83In Stock	Mfr. Part No. ATSAMD51J18A-MF Mouser Part No 556-ATSAMD51J18A-MF	Microchip Technology	ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Extended Temp Learn More about Microchip Technology microchip sam d5 e5	Datasheet	83In Stock	HK$47.27 HK$43.40 HK$39.29	Min.: 1 Mult.: 1	ATSAMD51	SMD/SMT	VQFN-64	ARM Cortex M4F	256 kB	32 bit	12 bit	120 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Ethernet,Extended Temp ATSAME53J18A-MF Microchip Technology Restricted Availability	Mfr. Part No. ATSAME53J18A-MF Mouser Part No 556-ATSAME53J18A-MF	Microchip Technology	ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Ethernet,Extended Temp Learn More about Microchip Technology microchip sam e5 mcu Mouser does not sell this product in your region.	Datasheet			Restricted Availability	ATSAME53	SMD/SMT	VQFN-64	ARM Cortex M4F	256 kB	32 bit	12 bit	120 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6244AZI-S4D92 Infineon Technologies 1: HK$51.54 297In Stock	Mfr. Part No. CY8C6244AZI-S4D92 Mouser Part No 727-CY8C6244AZIS4D92	Infineon Technologies	ARM Microcontrollers - MCU IOT-PSOC6 Learn More about Infineon Technologies infineon psoc 62 mcus	Datasheet	297In Stock	HK$51.54 HK$39.54 HK$34.69 HK$32.30 View HK$30.25 HK$29.18 Quote	Min.: 1 Mult.: 1	PSOC 62	SMD/SMT	TQFP-64	ARM Cortex M0+, ARM Cortex M4	256 kB	32 bit	12 bit	100 MHz, 150 MHz	54 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU CORTEX M4F 96MHZ ME11, TQFN 3X3 MAX32660GTG+ Analog Devices / Maxim Integrated Shipping Restricted	Mfr. Part No. MAX32660GTG+ Mouser Part No 700-MAX32660GTG+	Analog Devices / Maxim Integrated	ARM Microcontrollers - MCU CORTEX M4F 96MHZ ME11, TQFN 3X3 Learn More about Analog Devices / Maxim Integrated maxim max32660 mcu Mouser does not sell this product in your region.	Datasheet			Shipping Restricted	MAX32660	SMD/SMT	TQFN-24	ARM Cortex M4	256 kB	32 bit	No ADC	96 MHz	14 I/O	96 kB	1.045 V	1.155 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU STMicroelectronics STM32H523ZCJ6 STM32H523ZCJ6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32H523ZCJ6 Mouser Part No 511-STM32H523ZCJ6	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32H5	SMD/SMT	UFBGA-144	ARM Cortex M33	256 kB	32 bit	12 bit	250 MHz		272 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU XMC4000 Infineon Technologies XMC4200F64F256BAXQMA1 XMC4200F64F256BAXQMA1 Infineon Technologies Restricted Availability	Mfr. Part No. XMC4200F64F256BAXQMA1 Mouser Part No 726-XMC4200F64F256BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability	XMC4200	SMD/SMT	TQFP-64	ARM Cortex M4	256 kB	32 bit/16 bit	12 bit	80 MHz	35 I/O	40 kB	3 V	3.63 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU 32bit M0 Flash/RAM=256KB/32KB+SPROM 2048B+16xADC+6UART+USB M032SG6AE Nuvoton Restricted Availability	Mfr. Part No. M032SG6AE Mouser Part No 503-M032SG6AE	Nuvoton	ARM Microcontrollers - MCU 32bit M0 Flash/RAM=256KB/32KB+SPROM 2048B+16xADC+6UART+USB Learn More about Nuvoton m031 m032 mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability		SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	72 MHz	51 I/O	32 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, Triple CA M483KGCAE Nuvoton Restricted Availability	Mfr. Part No. M483KGCAE Mouser Part No 503-M483KGCAE	Nuvoton	ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, USB, Triple CA Learn More about Nuvoton m483 can mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability		SMD/SMT	LQFP-128	ARM Cortex M4F	256 kB	32 bit	12 bit	192 MHz	100 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, Dual ADC, USB, M483SGCAE2A Nuvoton Restricted Availability	Mfr. Part No. M483SGCAE2A Mouser Part No 503-M483SGCAE2A	Nuvoton	ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, Dual ADC, USB, Learn More about Nuvoton m483 can mcus Mouser does not sell this product in your region.	Datasheet			Restricted Availability		SMD/SMT	LQFP-64	ARM Cortex M4F	256 kB	32 bit	12 bit	192 MHz	52 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542KCT6 STMicroelectronics 1: HK$27.37 1In Stock 1,500Expected 24/12/2026 New Product	Mfr. Part No. STM32C542KCT6 Mouser Part No 511-STM32C542KCT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	1In Stock 1,500Expected 24/12/2026	HK$27.37 HK$17.84 HK$16.36	Min.: 1 Mult.: 1 Max.: 50	STM32C5	SMD/SMT	LQFP-32	ARM Cortex M33	256 kB	32 bit	12 bit	144 MHz	25 I/O	64 kB	2.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU STM32F030RCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32F030RCT6 Mouser Part No 511-STM32F030RCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU Learn More about STMicroelectronics stm32f0 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F030RC	SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	51 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091CCT6TR STMicroelectronics Restricted Availability	Mfr. Part No. STM32F091CCT6TR Mouser Part No 511-STM32F091CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F091CC	SMD/SMT	LQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091CCT7 STMicroelectronics Restricted Availability	Mfr. Part No. STM32F091CCT7 Mouser Part No 511-STM32F091CCT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F091CC	SMD/SMT	LQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091RCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32F091RCT6 Mouser Part No 511-STM32F091RCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F091RC	SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091RCT6TR STMicroelectronics Restricted Availability	Mfr. Part No. STM32F091RCT6TR Mouser Part No 511-STM32F091RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F091RC	SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091VCT6TR STMicroelectronics Restricted Availability	Mfr. Part No. STM32F091VCT6TR Mouser Part No 511-STM32F091VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	STM32F091VCT6	SMD/SMT	LQFP-100	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	88 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash STM32F100VCT6BTR STMicroelectronics 1: HK$68.31 146In Stock	Mfr. Part No. STM32F100VCT6BTR Mouser Part No 511-STM32F100VCT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	146In Stock	Cut Tape HK$68.31 HK$52.85 HK$46.61 HK$44.72 Reel HK$39.70 View HK$43.07 HK$39.05 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	80 I/O	24 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101RCT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32F101RCT6 Mouser Part No 511-STM32F101RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32F101RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	51 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray