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Embedded Processors & Controllers

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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.	Mounting Style	Package/Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity STM32F205REY6TR STMicroelectronics 1: HK$69.29 5,005In Stock	Mfr. Part No. STM32F205REY6TR Mouser Part No 511-STM32F205REY6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity Learn More about STMicroelectronics stm32f2	Datasheet	5,005In Stock	Cut Tape HK$69.29 HK$58.86 HK$54.91 HK$52.28 View Reel HK$50.31 HK$51.62 HK$50.39 HK$50.31 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WLCSP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 64 Kbytes of Flash 48 MHz CPU, motor co STM32F051C8U7TR STMicroelectronics 1: HK$45.13 9,500In Stock	Mfr. Part No. STM32F051C8U7TR Mouser Part No 511-STM32F051C8U7TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 64 Kbytes of Flash 48 MHz CPU, motor co Learn More about STMicroelectronics stm32f0	Datasheet	9,500In Stock	Cut Tape HK$45.13 HK$22.28 HK$21.21 HK$19.48 Reel HK$16.36 View HK$18.82 HK$17.59 HK$16.77 HK$16.11 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	UFQFPN-48	ARM Cortex M0	39 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 128 Kbytes of Flash 48 MHz CPU, USB, CAN & STM32F072CBY6TR STMicroelectronics 1: HK$46.61 4,751In Stock	Mfr. Part No. STM32F072CBY6TR Mouser Part No 511-STM32F072CBY6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 128 Kbytes of Flash 48 MHz CPU, USB, CAN & Learn More about STMicroelectronics stm32f0	Datasheet	4,751In Stock	Cut Tape HK$46.61 HK$36.91 HK$32.30 HK$30.41 View Reel HK$25.56 HK$29.35 HK$26.72 HK$25.65 HK$25.56 MouseReel Available	Min.: 1 Mult.: 1 : 5,000		WLCSP-49
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto STM32C562RET6 STMicroelectronics 1: HK$33.87 98In Stock 1,920On Order New Product	Mfr. Part No. STM32C562RET6 Mouser Part No 511-STM32C562RET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	98In Stock 1,920On Order	HK$33.87 HK$25.56 HK$22.19 HK$19.15	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-64	ARM Cortex M33	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto STM32C562VET6 STMicroelectronics 1: HK$29.10 607In Stock New Product	Mfr. Part No. STM32C562VET6 Mouser Part No 511-STM32C562VET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	607In Stock	HK$29.10 HK$21.87 HK$18.17	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-100	ARM Cortex M33	86 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance, Arm Cortex-M33 with TrustZone, MCU with 4-Mbyte Flash, 1504-Kbyte RAM, 250 MHz CPU STM32H5F4IJT6 STMicroelectronics 1: HK$124.94 120In Stock New Product	Mfr. Part No. STM32H5F4IJT6 Mouser Part No 511-STM32H5F4IJT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU High-performance, Arm Cortex-M33 with TrustZone, MCU with 4-Mbyte Flash, 1504-Kbyte RAM, 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus	Datasheet	120In Stock	HK$124.94 HK$110.81 HK$85.49	Min.: 1 Mult.: 1 Max.: 25
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIT6Q STMicroelectronics 1: HK$72.09 89In Stock New Product	Mfr. Part No. STM32U3B5CIT6Q Mouser Part No 511-STM32U3B5CIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	89In Stock	HK$72.09 HK$55.81	Min.: 1 Mult.: 1 Max.: 20		LQFP-48
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIU6 STMicroelectronics 1: HK$72.09 90In Stock New Product	Mfr. Part No. STM32U3B5CIU6 Mouser Part No 511-STM32U3B5CIU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	90In Stock	HK$72.09 HK$55.81	Min.: 1 Mult.: 1 Max.: 20		UFQFPN-48
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIU6Q STMicroelectronics 1: HK$72.09 89In Stock New Product	Mfr. Part No. STM32U3B5CIU6Q Mouser Part No 511-STM32U3B5CIU6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	89In Stock	HK$72.09 HK$55.81	Min.: 1 Mult.: 1 Max.: 20		UFQFPN-48
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5RIT6 STMicroelectronics 1: HK$75.38 90In Stock New Product	Mfr. Part No. STM32U3B5RIT6 Mouser Part No 511-STM32U3B5RIT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	90In Stock	HK$75.38 HK$58.44	Min.: 1 Mult.: 1 Max.: 20		LQFP-64
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5RIT6Q STMicroelectronics 1: HK$75.38 98In Stock New Product	Mfr. Part No. STM32U3B5RIT6Q Mouser Part No 511-STM32U3B5RIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	98In Stock	HK$75.38 HK$58.44	Min.: 1 Mult.: 1 Max.: 20		LQFP-64
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5ZIT6Q STMicroelectronics 1: HK$93.46 56In Stock 360Expected 28/9/2026 New Product	Mfr. Part No. STM32U3B5ZIT6Q Mouser Part No 511-STM32U3B5ZIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	56In Stock 360Expected 28/9/2026	HK$93.46 HK$72.91	Min.: 1 Mult.: 1 Max.: 20		LQFP-144
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIT6 STMicroelectronics 1: HK$74.47 81In Stock New Product	Mfr. Part No. STM32U3C5CIT6 Mouser Part No 511-STM32U3C5CIT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	81In Stock	HK$74.47 HK$57.70 HK$50.96 HK$48.83 View HK$46.61 HK$45.29 HK$44.72 HK$43.89	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIT6Q STMicroelectronics 1: HK$74.47 99In Stock New Product	Mfr. Part No. STM32U3C5CIT6Q Mouser Part No 511-STM32U3C5CIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	99In Stock	HK$74.47 HK$57.70 HK$50.96 HK$48.83 View HK$46.61 HK$45.29 HK$44.72 HK$43.89	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIU6 STMicroelectronics 1: HK$74.47 89In Stock New Product	Mfr. Part No. STM32U3C5CIU6 Mouser Part No 511-STM32U3C5CIU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	89In Stock	HK$74.47 HK$57.70 HK$50.96 HK$48.83 View HK$46.53 HK$45.21 HK$44.72 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIU6Q STMicroelectronics 1: HK$74.47 100In Stock New Product	Mfr. Part No. STM32U3C5CIU6Q Mouser Part No 511-STM32U3C5CIU6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	100In Stock	HK$74.47 HK$57.70 HK$50.96	Min.: 1 Mult.: 1 Max.: 25
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5RIT6 STMicroelectronics 1: HK$77.76 57In Stock New Product	Mfr. Part No. STM32U3C5RIT6 Mouser Part No 511-STM32U3C5RIT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	57In Stock	HK$77.76 HK$60.25 HK$53.27 HK$49.90 View HK$47.02 HK$46.53	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5RIT6Q STMicroelectronics 1: HK$77.76 29In Stock 960Expected 19/10/2026 New Product	Mfr. Part No. STM32U3C5RIT6Q Mouser Part No 511-STM32U3C5RIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	29In Stock 960Expected 19/10/2026	HK$77.76 HK$60.25 HK$53.27 HK$49.90 View HK$47.02 HK$46.53	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5ZIT6Q STMicroelectronics 1: HK$95.76 83In Stock New Product	Mfr. Part No. STM32U3C5ZIT6Q Mouser Part No 511-STM32U3C5ZIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	83In Stock	HK$95.76 HK$74.80 HK$65.60	Min.: 1 Mult.: 1 Max.: 25
ARM Microcontrollers - MCU 2.4 GHz Wireless Arm Cortex-M33 MCU, 64 MHz, 512 KB flash, Bluetooth BLE 6.2, Zigbee, Thread, 802.15.4, Q-SPI, USB OTG, TZ STM32WBA25HEF7TR STMicroelectronics 1: HK$30.74 118In Stock New Product	Mfr. Part No. STM32WBA25HEF7TR Mouser Part No 511-STM32WBA25HEF7TR New Product	STMicroelectronics	ARM Microcontrollers - MCU 2.4 GHz Wireless Arm Cortex-M33 MCU, 64 MHz, 512 KB flash, Bluetooth BLE 6.2, Zigbee, Thread, 802.15.4, Q-SPI, USB OTG, TZ Learn More about STMicroelectronics stm32wba2 mcus	Datasheet	118In Stock	Cut Tape HK$30.74 HK$26.55 HK$25.15 HK$23.10 View Reel HK$18.50 HK$21.95 HK$20.55 HK$19.89 HK$19.48 HK$18.50	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-41	ARM Cortex M33	15 I/O	32 bit
ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Sing-core Arm Cortex-M0+ at 64 MHz with 64 Kbytes of Flash memory, 8 Kbytes of SRAM. 2(G)FSK, 4(G)FSK, OOK, ASK, D-BPSK, DSSS modulation I/Q channel interface. AES 128. Multiprotocol System-on-Chip. STM32WL3RK8V6X STMicroelectronics 1: HK$27.62 127In Stock New Product	Mfr. Part No. STM32WL3RK8V6X Mouser Part No 511-STM32WL3RK8V6X New Product	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Sing-core Arm Cortex-M0+ at 64 MHz with 64 Kbytes of Flash memory, 8 Kbytes of SRAM. 2(G)FSK, 4(G)FSK, OOK, ASK, D-BPSK, DSSS modulation I/Q channel interface. AES 128. Multiprotocol System-on-Chip. Learn More about STMicroelectronics stm32wl33x mcus	Datasheet	127In Stock	HK$27.62 HK$23.84 HK$22.52	Min.: 1 Mult.: 1 Max.: 30	SMD/SMT	VFQFPN-32	ARM Cortex M0+	18 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Sing-core Arm Cortex-M0+ at 64 MHz with 128 Kbytes of Flash memory, 16 Kbytes of SRAM. 2(G)FSK, 4(G)FSK, OOK, ASK, D-BPSK, DSSS modulation I/Q channel interface. AES 128. Multiprotocol System-on-Chip. STM32WL3RKBV6X STMicroelectronics 1: HK$28.61 98In Stock New Product	Mfr. Part No. STM32WL3RKBV6X Mouser Part No 511-STM32WL3RKBV6X New Product	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Sing-core Arm Cortex-M0+ at 64 MHz with 128 Kbytes of Flash memory, 16 Kbytes of SRAM. 2(G)FSK, 4(G)FSK, OOK, ASK, D-BPSK, DSSS modulation I/Q channel interface. AES 128. Multiprotocol System-on-Chip. Learn More about STMicroelectronics stm32wl33x mcus	Datasheet	98In Stock	HK$28.61 HK$24.74 HK$23.34 HK$21.54 View HK$19.65 HK$18.74 HK$18.25 HK$17.92 Quote	Min.: 1 Mult.: 1	SMD/SMT	VFQFPN-32	ARM Cortex M0+	18 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line STM32F101R6T6ATR STMicroelectronics 1: HK$60.09 1,029In Stock	Mfr. Part No. STM32F101R6T6ATR Mouser Part No 511-STM32F101R6T6ATR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line Learn More about STMicroelectronics stm32f1	Datasheet	1,029In Stock	Cut Tape HK$60.09 HK$44.14 HK$41.10 HK$36.17 Reel HK$30.00 View HK$34.36 HK$30.83 HK$28.36 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L152VET6TR STMicroelectronics 1: HK$106.94 640In Stock	Mfr. Part No. STM32L152VET6TR Mouser Part No 511-STM32L152VET6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	640In Stock	Cut Tape HK$106.94 HK$83.76 HK$77.60 HK$71.60 View Reel HK$61.81 HK$69.13 HK$66.75 HK$61.81 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000		LQFP-100
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, DFSD STM32L476MGY6MTR STMicroelectronics 1: HK$93.13 5,000In Stock	Mfr. Part No. STM32L476MGY6MTR Mouser Part No 511-STM32L476MGY6MTR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, DFSD	Datasheet	5,000In Stock	Cut Tape HK$93.13 HK$72.42 HK$69.13 HK$60.01 View Reel HK$51.95 HK$57.29 HK$54.01 HK$52.69 HK$51.95	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-91	ARM Cortex M4	65 I/O	32 bit	12 bit