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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 Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU STM32U083RCI6 STMicroelectronics 1: HK$42.00 2,523In Stock 2,940Expected 14/1/2027	Mfr. Part No. STM32U083RCI6 Mouser Part No 511-STM32U083RCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	2,523In Stock 2,940Expected 14/1/2027	HK$42.00 HK$27.87 HK$24.41 HK$21.95 View HK$21.87 HK$20.63	Min.: 1 Mult.: 1 Max.: 2,000	STM32U0			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU STM32U083RCT6 STMicroelectronics 1: HK$40.61 6,014In Stock 6,720Expected 16/12/2026	Mfr. Part No. STM32U083RCT6 Mouser Part No 511-STM32U083RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	6,014In Stock 6,720Expected 16/12/2026	HK$40.61 HK$29.43 HK$26.55 HK$22.85 View HK$21.62 HK$19.56 HK$19.48	Min.: 1 Mult.: 1 Max.: 960	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 STM32U535CCU6 STMicroelectronics 1: HK$56.14 2,031In Stock	Mfr. Part No. STM32U535CCU6 Mouser Part No 511-STM32U535CCU6	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	2,031In Stock	HK$56.14 HK$43.07 HK$37.81 HK$36.17 View HK$33.46 HK$28.85 HK$28.44	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFQFPN-48	ARM Cortex M33	256 kB	32 bit	12 bit, 14 bit	160 MHz	37 I/O	574 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 STM32WL33CCV6 STMicroelectronics 1: HK$53.84 2,374In Stock	Mfr. Part No. STM32WL33CCV6 Mouser Part No 511-STM32WL33CCV6	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	2,374In Stock	HK$53.84 HK$42.33 HK$40.36 HK$36.74 View HK$35.26 HK$34.36 HK$33.46 Quote	Min.: 1 Mult.: 1	STM32WL33	SMD/SMT	VFQFPN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	32 I/O	32 KB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 32-bit Arm® Cort ex®-M4F-based M TM4C123BH6NMRI Texas Instruments 1: HK$149.85 252In Stock	Mfr. Part No. TM4C123BH6NMRI Mouser Part No 595-TM4C123BH6NMRI	Texas Instruments	ARM Microcontrollers - MCU 32-bit Arm® Cort ex®-M4F-based M Learn More about Texas Instruments ti tiva C	Datasheet	252In Stock	HK$149.85 HK$113.85 HK$109.08 HK$96.09 View HK$91.41 HK$88.37 HK$85.57 Quote	Min.: 1 Mult.: 1	TM4C123BH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123BH6NMRIR Texas Instruments 1: HK$128.40 600In Stock	Mfr. Part No. TM4C123BH6NMRIR Mouser Part No 595-TM4C123BH6NMRIR	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	600In Stock	HK$128.40 HK$97.57 HK$93.54 HK$82.36 View HK$78.34 HK$75.79 HK$73.32 Quote	Min.: 1 Mult.: 1	TM4C123BH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB			- 40 C	+ 85 C
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRI Texas Instruments 1: HK$121.16 260In Stock	Mfr. Part No. TM4C123GH6NMRI Mouser Part No 595-TM4C123GH6NMRI	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	260In Stock	HK$121.16 HK$95.52 HK$94.78 HK$92.23 Quote 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 BLIZZARD 157 BGA TM4C123GH6NMRI7 Texas Instruments 1: HK$171.30 260In Stock	Mfr. Part No. TM4C123GH6NMRI7 Mouser Part No 595-TM4C123GH6NMRI7	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	260In Stock	HK$171.30 HK$138.42 HK$132.67 HK$116.89 View HK$111.13 HK$106.12 Quote	Min.: 1 Mult.: 1	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	1.08 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRIR Texas Instruments 1: HK$155.77 953In Stock	Mfr. Part No. TM4C123GH6NMRIR Mouser Part No 595-TM4C123GH6NMRIR	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	953In 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	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	1.08 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRT Texas Instruments 1: HK$126.75 170In Stock	Mfr. Part No. TM4C123GH6NMRT Mouser Part No 595-TM4C123GH6NMRT	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	170In Stock	HK$126.75 HK$100.12 HK$99.54 HK$96.91 View Quote	Min.: 1 Mult.: 1	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	1.08 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU 32-bit Arm Cortex - M4F-based MCU with 8 TM4C123GH6NMRT7R Texas Instruments 1: HK$155.19 958In Stock	Mfr. Part No. TM4C123GH6NMRT7R Mouser Part No 595-TM4C123GH6NMRT7R	Texas Instruments	ARM Microcontrollers - MCU 32-bit Arm Cortex - M4F-based MCU with 8 Learn More about Texas Instruments ti tiva C	Datasheet	958In Stock	Cut Tape HK$155.19 HK$125.36 HK$120.18 HK$105.87 View Reel HK$93.79 HK$100.70 HK$96.09 HK$93.79 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	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 PSOC4 - GENERAL CY8C4148AZSS568XQLA1 Infineon Technologies 1: HK$81.05 450In Stock	Mfr. Part No. CY8C4148AZSS568XQLA1 Mouser Part No 726-CY8C4148AZSS568X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	450In Stock	HK$81.05 HK$62.72 HK$59.76 HK$51.87 View HK$49.57 HK$45.21 HK$42.74 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-100	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	84 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 CYT4BB7CEBQ1AEEGS Infineon Technologies 1: HK$216.27 270In Stock	Mfr. Part No. CYT4BB7CEBQ1AEEGS Mouser Part No 726-CYT4BB7CEBQ1AEEG	Infineon Technologies	ARM Microcontrollers - MCU TRAVEO-2 BODY HIGH-END Learn More about Infineon Technologies infineon cyt3bb cyt4bb auto mcus	Datasheet	270In Stock	HK$216.27 HK$173.61 HK$155.19 HK$150.18 View HK$142.12 HK$141.06 Quote	Min.: 1 Mult.: 1	CYT4BB	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 TLE98932QKW62SXUMA1 Infineon Technologies 1: HK$97.00 475In Stock 1,900Expected 6/4/2027	Mfr. Part No. TLE98932QKW62SXUMA1 Mouser Part No 726-TLE98932QKW62SXU	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon motix tle989x microcontrollers	Datasheet	475In Stock 1,900Expected 6/4/2027	Cut Tape HK$97.00 HK$75.46 HK$71.93 HK$62.47 View Reel HK$50.39 HK$59.68 HK$54.42 HK$51.46 HK$50.39 Quote MouseReel Available	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, MouseReel
ARM Microcontrollers - MCU LCD DIPSLAY CONTROLLER, MCU, GENERAL PURPOSE TMPM4MNFYAFG(DBB) Toshiba 1: HK$82.12 848In Stock	Mfr. Part No. TMPM4MNFYAFG(DBB) Mouser Part No 757-TMPM4MNFYAFGDBB	Toshiba	ARM Microcontrollers - MCU LCD DIPSLAY CONTROLLER, MCU, GENERAL PURPOSE Learn More about Toshiba tmpm4k mcus	Datasheet	848In Stock	HK$82.12 HK$67.98 HK$60.25 HK$57.54 View HK$52.77 Quote	Min.: 1 Mult.: 1		SMD/SMT	PQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	160 MHz	87 I/O	24 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 100 QFP MCXA154VLL NXP Semiconductors 1: HK$33.54 722In Stock	Mfr. Part No. MCXA154VLL Mouser Part No 771-MCXA154VLL	NXP Semiconductors	ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 100 QFP Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	722In Stock	HK$33.54 HK$25.32 HK$21.21 HK$21.13 View HK$20.47 HK$19.15 HK$18.91 HK$18.58	Min.: 1 Mult.: 1	MCX A	SMD/SMT	LQFP-100	ARM Cortex M33	256 kB		16 bit	96 MHz	81 I/O	64 kB			- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX C14 MCUs with Arm Cortex -M0+, Entry level MCUs with USB, Segment LCD and Classical Peripherals, 32 QFN MCXC144VFM NXP Semiconductors 1: HK$25.56 905In Stock	Mfr. Part No. MCXC144VFM Mouser Part No 771-MCXC144VFM	NXP Semiconductors	ARM Microcontrollers - MCU MCX C14 MCUs with Arm Cortex -M0+, Entry level MCUs with USB, Segment LCD and Classical Peripherals, 32 QFN Learn More about NXP Semiconductors nxp mcx c microcontrollers	Datasheet	905In Stock	HK$25.56 HK$19.15 HK$16.60 HK$15.78 View HK$14.47 HK$13.89 HK$13.65	Min.: 1 Mult.: 1	MCX C	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	16 bit	48 MHz	28 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX C24 MCUs with Arm Cortex -M0+, Entry level MCUs with USB, Segment LCD and Classical Peripherals, 48 QFN MCXC244VFT NXP Semiconductors 1: HK$27.04 1,280In Stock	Mfr. Part No. MCXC244VFT Mouser Part No 771-MCXC244VFT	NXP Semiconductors	ARM Microcontrollers - MCU MCX C24 MCUs with Arm Cortex -M0+, Entry level MCUs with USB, Segment LCD and Classical Peripherals, 48 QFN Learn More about NXP Semiconductors nxp mcx c microcontrollers	Datasheet	1,280In Stock	HK$27.04 HK$20.30 HK$18.66 HK$16.77 View HK$15.86 HK$15.37 HK$14.80 HK$14.14 HK$13.97	Min.: 1 Mult.: 1	MCX C	SMD/SMT	QFN-48	ARM Cortex M0+	256 kB	32 bit	16 bit	48 MHz	36 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG232F256G-F-QFP64 Silicon Labs 1: HK$88.28 1,600In Stock NRND	Mfr. Part No. EFM32LG232F256G-F-QFP64 Mouser Part No 634-32LG232F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,600In Stock	HK$88.28 HK$67.82 HK$64.44 HK$59.51 View HK$56.55 HK$55.40 HK$53.59 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	TQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG332F256G-F-QFP64 Silicon Labs 1: HK$97.82 1,059In Stock NRND	Mfr. Part No. EFM32LG332F256G-F-QFP64 Mouser Part No 634-32LG332F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,059In Stock	HK$97.82 HK$76.61 HK$71.27 HK$65.51 View HK$64.86 HK$60.99 HK$59.68 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	TQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	50 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RCT6BTR STMicroelectronics 1: HK$66.50 5,901In Stock	Mfr. Part No. STM32F100RCT6BTR Mouser Part No 511-STM32F100RCT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	5,901In Stock	Cut Tape HK$66.50 HK$51.13 HK$45.95 HK$43.07 View Reel HK$38.47 HK$42.09 HK$39.78 HK$38.47 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	51 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 256 to 512 USB/CAN STM32F103RCT6 STMicroelectronics 1: HK$78.42 18,261In Stock	Mfr. Part No. STM32F103RCT6 Mouser Part No 511-STM32F103RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	18,261In Stock	HK$78.42 HK$62.97 HK$55.73 HK$50.88 View HK$49.73 HK$49.16 HK$48.50 Quote	Min.: 1 Mult.: 1	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins STM32F103RCT6TR STMicroelectronics 1: HK$80.80 11,341In Stock	Mfr. Part No. STM32F103RCT6TR Mouser Part No 511-STM32F103RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins Learn More about STMicroelectronics stm32f1	Datasheet	11,341In Stock	Cut Tape HK$80.80 HK$63.46 HK$57.46 HK$53.84 HK$52.61 Reel HK$52.61 MouseReel Available	Min.: 1 Mult.: 1 Max.: 480 : 1,000	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Perf Line USB CAN STM32F103RCT7 STMicroelectronics 1: HK$88.37 2,805In Stock	Mfr. Part No. STM32F103RCT7 Mouser Part No 511-STM32F103RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Perf Line USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	2,805In Stock	HK$88.37 HK$68.80 HK$60.99 HK$57.13 View HK$56.31 HK$52.77 HK$52.03	Min.: 1 Mult.: 1	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103RCY6TR STMicroelectronics 1: HK$85.73 3,957In Stock	Mfr. Part No. STM32F103RCY6TR Mouser Part No 511-STM32F103RCY6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	3,957In Stock	Cut Tape HK$85.73 HK$66.25 HK$63.21 HK$54.83 View Reel HK$48.25 HK$54.33 HK$50.47 HK$48.25 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	STM32F103RC	SMD/SMT	WLCSP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel