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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 ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B200F256GM48-C0 Silicon Labs 1: HK$43.73 1,159In Stock	Mfr. Part No. EFM32JG1B200F256GM48-C0 Mouser Part No 634-JG1B200F25648C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	1,159In Stock	HK$43.73 HK$34.52 HK$31.07 HK$28.77 View HK$27.13 HK$26.55 HK$26.06 HK$25.98	Min.: 1 Mult.: 1	EFM32JG	SMD/SMT	QFN-48	ARM Cortex M3	256 kB	32 bit	12 bit	40 MHz	32 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU EFM32PG1B100F256GM32-C0 Silicon Labs 1: HK$49.07 436In Stock 2,450Expected 8/1/2027	Mfr. Part No. EFM32PG1B100F256GM32-C0 Mouser Part No 634-PG1B100F256GM320	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 pearl gecko mcu	Datasheet	436In Stock 2,450Expected 8/1/2027	HK$49.07 HK$38.88 HK$35.02 HK$32.22 View HK$29.76 HK$29.59 HK$28.77	Min.: 1 Mult.: 1	EFM32PG	SMD/SMT	QFN-32	ARM Cortex M4	256 kB	32 bit	12 bit	40 MHz	24 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B200F256IM40-C Silicon Labs 1: HK$30.50 3,374In Stock	Mfr. Part No. EFM32PG23B200F256IM40-C Mouser Part No 634-PG23200F256IM40C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	3,374In Stock	HK$30.50 HK$22.69 HK$20.71 HK$18.58 View HK$17.59 HK$17.18 HK$16.36 HK$15.86 HK$15.54	Min.: 1 Mult.: 1	PG23	SMD/SMT	QFN-40	ARM Cortex M33	256 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	29 I/O	64 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B210F256IM48-C Silicon Labs 1: HK$32.30 2,501In Stock	Mfr. Part No. EFM32PG23B210F256IM48-C Mouser Part No 634-PG23210F256IM48C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	2,501In Stock	HK$32.30 HK$24.08 HK$22.03 HK$19.81 View HK$18.66 HK$18.25 HK$17.34 HK$16.77 HK$16.44	Min.: 1 Mult.: 1	PG23	SMD/SMT	QFN-48	ARM Cortex M33	256 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	34 I/O	64 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248AZI-L475 Infineon Technologies 1: HK$102.91 580In Stock	Mfr. Part No. CY8C4248AZI-L475 Mouser Part No 727-CY8C4248AZI-L475	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	580In Stock	HK$102.91 HK$80.72 HK$71.84 HK$67.49 View HK$67.16 HK$63.87 HK$63.13 Quote	Min.: 1 Mult.: 1	PSOC 4200	SMD/SMT	TQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash CY8C4248AZI-L485 Infineon Technologies 1: HK$110.81 1,011In Stock	Mfr. Part No. CY8C4248AZI-L485 Mouser Part No 727-CY8C4248AZI-L485	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 L-Series 256 kb Flash Learn More about Infineon Technologies cypress psoc 4l soc	Datasheet	1,011In Stock	HK$110.81 HK$87.13 HK$77.60 HK$72.99 View HK$72.75 HK$68.39 HK$66.83 Quote	Min.: 1 Mult.: 1	PSOC 4200	SMD/SMT	TQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU IOT-PSOC6 CY8C6244AZI-S4D93 Infineon Technologies 1: HK$52.44 1,697In Stock	Mfr. Part No. CY8C6244AZI-S4D93 Mouser Part No 727-CY8C6244AZIS4D93	Infineon Technologies	ARM Microcontrollers - MCU IOT-PSOC6 Learn More about Infineon Technologies infineon psoc 62 mcus	Datasheet	1,697In Stock	HK$52.44 HK$40.20 HK$35.26 HK$33.46 View HK$33.37 HK$31.65 HK$29.35 Quote	Min.: 1 Mult.: 1	PSOC 62	SMD/SMT	TQFP-80	ARM Cortex M0+, ARM Cortex M4	256 kB	32 bit	12 bit	100 MHz, 150 MHz	62 I/O	128 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Smart Sensor ASSP/ASIC with 256kB Flash ADUCM356BCCZ Analog Devices Shipping Restricted	Mfr. Part No. ADUCM356BCCZ Mouser Part No 584-ADUCM356BCCZ	Analog Devices	ARM Microcontrollers - MCU Smart Sensor ASSP/ASIC with 256kB Flash Learn More about Analog Devices adi aducm356 microcontrollers Mouser does not presently sell this product in your region.	Datasheet			Shipping Restricted	ADUCM356	SMD/SMT	LGA-72	ARM Cortex M3	256 kB	32 bit	16 bit	26 MHz	17 I/O	64 kB	2.8 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LPC55S16JEV59 NXP Semiconductors LPC55S16JEV59E LPC55S16JEV59E NXP Semiconductors 1: HK$63.87 465In Stock	Mfr. Part No. LPC55S16JEV59E Mouser Part No 771-LPC55S16JEV59E	NXP Semiconductors	ARM Microcontrollers - MCU LPC55S16JEV59	Datasheet	465In Stock	HK$63.87 HK$49.40 HK$43.57 HK$41.76 View HK$38.72 HK$37.73 HK$36.99 Quote	Min.: 1 Mult.: 1	LPC55S1x	SMD/SMT	VFBGA-59	ARM Cortex M33	256 kB	32 bit	16 bit	150 MHz	37 I/O	96 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU XMC4000 Infineon Technologies XMC4200Q48K256BAXUMA1 XMC4200Q48K256BAXUMA1 Infineon Technologies 1: HK$75.46 4,565In Stock 12,500On Order	Mfr. Part No. XMC4200Q48K256BAXUMA1 Mouser Part No 726-XMC4200Q48K256BA	Infineon Technologies	ARM Microcontrollers - MCU XMC4000 Learn More about Infineon Technologies infineon xmc4000 mcus	Datasheet	4,565In Stock 12,500On Order On Order Ship Dates Mfr. No: XMC4200Q48K256BAXUMA1 Stock: 4,565 Can Dispatch Immediately On Order: 5,000 Expected 12/11/2026 7,500 TBD Factory Lead Time: 13 Weeks	Cut Tape HK$75.46 HK$58.53 HK$51.70 HK$49.57 View Reel HK$41.10 HK$49.16 HK$43.73 HK$42.91 HK$41.10 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	XMC4200	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit/16 bit	12 bit	80 MHz	21 I/O	40 kB	3 V	3.63 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU STM32U073MCT6 STMicroelectronics 1: HK$36.25 66In Stock 714Expected 31/5/2027	Mfr. Part No. STM32U073MCT6 Mouser Part No 511-STM32U073MCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	66In Stock 714Expected 31/5/2027	HK$36.25 HK$24.99 HK$22.93 HK$21.78	Min.: 1 Mult.: 1 Max.: 250	STM32U0			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535CCU6Q STMicroelectronics 1: HK$56.14 70In Stock	Mfr. Part No. STM32U535CCU6Q Mouser Part No 511-STM32U535CCU6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	70In Stock	HK$56.14 HK$43.07 HK$37.81 HK$36.17 View HK$33.46 HK$31.15 HK$30.58 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFQFPN-48	ARM Cortex M33	256 kB	32 bit	12 bit, 14 bit	160 MHz	33 I/O	574 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535RCI6Q STMicroelectronics 1: HK$64.61 76In Stock	Mfr. Part No. STM32U535RCI6Q Mouser Part No 511-STM32U535RCI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	76In Stock	HK$64.61 HK$48.99 HK$43.73 HK$40.85 View HK$39.87 HK$37.57 HK$36.99 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-64	ARM Cortex M33	256 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535VCI6 STMicroelectronics 1: HK$72.17 150In Stock	Mfr. Part No. STM32U535VCI6 Mouser Part No 511-STM32U535VCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	150In Stock	HK$72.17 HK$55.16 HK$49.07 HK$46.11 View HK$44.96 HK$42.25 HK$41.68 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-100	ARM Cortex M33	256 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33KCV7 STMicroelectronics 1: HK$52.94 141In Stock	Mfr. Part No. STM32WL33KCV7 Mouser Part No 511-STM32WL33KCV7	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM Learn More about STMicroelectronics stm32wl33x mcus	Datasheet	141In Stock	HK$52.94 HK$42.09 HK$40.28 HK$36.74 View HK$35.67 HK$34.44 HK$34.20 Quote	Min.: 1 Mult.: 1	STM32WL33	SMD/SMT	VFQFPN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	17 I/O	32 KB	1.7 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123BH6NMRI7R Texas Instruments 1: HK$128.40 950In Stock	Mfr. Part No. TM4C123BH6NMRI7R Mouser Part No 595-TM4C123BH6NMRI7R	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	950In Stock	Cut Tape HK$128.40 HK$97.57 HK$93.54 HK$82.36 View Reel HK$73.32 HK$78.34 HK$75.79 HK$73.32 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	NFBGA-157	ARM Cortex M4	256 kB	32 bit	2 x 12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRI7R Texas Instruments 1: HK$155.77 990In Stock	Mfr. Part No. TM4C123GH6NMRI7R Mouser Part No 595-TM4C123GH6NMRI7R	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	990In Stock	HK$155.77 HK$118.37 HK$113.44 HK$99.96 View HK$95.02 HK$91.90 HK$88.94 Quote	Min.: 1 Mult.: 1		SMD/SMT	NFBGA-157	ARM Cortex M4	256 kB	32 bit	2 x 12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4148AZS-S545 Infineon Technologies 1: HK$77.84 800In Stock	Mfr. Part No. CY8C4148AZS-S545 Mouser Part No 726-CY8C4148AZS-S545	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	800In Stock	HK$77.84 HK$58.28 HK$55.65 HK$48.25 View HK$46.11 HK$42.00 HK$39.95 HK$39.37 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	54 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4148AZSS565XQLA1 Infineon Technologies 1: HK$81.38 800In Stock	Mfr. Part No. CY8C4148AZSS565XQLA1 Mouser Part No 726-CY8C4148AZSS565X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	800In Stock	HK$81.38 HK$60.99 HK$58.20 HK$50.47 View HK$48.25 HK$43.98 HK$41.76 HK$41.18 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	54 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4148AZSS585XQLA1 Infineon Technologies 1: HK$83.84 800In Stock	Mfr. Part No. CY8C4148AZSS585XQLA1 Mouser Part No 726-CY8C4148AZSS585X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	800In Stock	HK$83.84 HK$64.86 HK$61.81 HK$53.68 View HK$51.29 HK$46.77 HK$44.31 HK$43.32 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	54 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU TRAVEO-2 BODY HIGH-END CYT3BB7CEBQ1AEEGS Infineon Technologies 1: HK$136.95 300In Stock	Mfr. Part No. CYT3BB7CEBQ1AEEGS Mouser Part No 726-CYT3BB7CEBQ1AEEG	Infineon Technologies	ARM Microcontrollers - MCU TRAVEO-2 BODY HIGH-END Learn More about Infineon Technologies infineon cyt3bb cyt4bb auto mcus	Datasheet	300In Stock	HK$136.95 HK$108.42 HK$87.21 View Quote	Min.: 1 Mult.: 1	CYT3BB	SMD/SMT	TEQFP-144	ARM Cortex M7	256 kB	32 bit	12 bit			768 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU EMBEDDED_POWER TLE9893QKW62SXUMA1 Infineon Technologies 1: HK$95.02 152In Stock	Mfr. Part No. TLE9893QKW62SXUMA1 Mouser Part No 726-TLE9893QKW62SXUM	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon motix tle989x microcontrollers	Datasheet	152In Stock	Cut Tape HK$95.02 HK$73.90 HK$70.53 HK$61.24 View Reel HK$46.44 HK$58.44 HK$53.35 HK$50.39 HK$46.44 Quote	Min.: 1 Mult.: 1 : 1,900	TLE989x	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	10 bit, 12 bit	60 MHz	25 I/O	32 kB	5.5 V	28 V	- 40 C	+ 175 C		Reel, Cut Tape
ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA MCXA144VMP NXP Semiconductors 1: HK$35.67 536In Stock	Mfr. Part No. MCXA144VMP Mouser Part No 771-MCXA144VMP	NXP Semiconductors	ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	536In Stock	HK$35.67 HK$27.04 HK$23.59 HK$22.28 View HK$21.70 HK$19.56 HK$18.33	Min.: 1 Mult.: 1	MCX A	SMD/SMT	LFBGA-64	ARM Cortex M33	256 kB		16 bit	48 MHz	50 I/O	64 kB			- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 112 BGA MCXA144VPJ NXP Semiconductors 1: HK$43.24 260In Stock	Mfr. Part No. MCXA144VPJ Mouser Part No 771-MCXA144VPJ	NXP Semiconductors	ARM Microcontrollers - MCU MCX A14 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 112 BGA Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	260In Stock	HK$43.24 HK$26.80 HK$24.33 HK$24.17 View HK$24.00 HK$20.22 HK$18.99 HK$18.82 HK$18.50	Min.: 1 Mult.: 1	MCX A	SMD/SMT	VFBGA-112	ARM Cortex M33	256 kB		16 bit	48 MHz	82 I/O	64 kB			- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA MCXA154VMP NXP Semiconductors 1: HK$37.24 638In Stock	Mfr. Part No. MCXA154VMP Mouser Part No 771-MCXA154VMP	NXP Semiconductors	ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 64 BGA Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	638In Stock	HK$37.24 HK$28.28 HK$24.66 HK$23.18 View HK$22.52 HK$20.47 HK$19.97 HK$19.40 HK$18.99	Min.: 1 Mult.: 1	MCX A	SMD/SMT	LFBGA-64	ARM Cortex M33	256 kB		16 bit	96 MHz	50 I/O	64 kB			- 40 C	+ 125 C		Tray