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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
8-bit Microcontrollers - MCU 8-bit MCU Access 16 MHz 8kb Flash STM8S103F3M6 STMicroelectronics 1: HK$19.65 998In Stock	Mfr. Part No. STM8S103F3M6 Mouser Part No 511-STM8S103F3M6	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit MCU Access 16 MHz 8kb Flash Learn More about STMicroelectronics stm8s mcus	Datasheet	998In Stock	HK$19.65 HK$18.33 HK$12.08 HK$11.67 View HK$10.77 HK$10.52 HK$10.28 HK$9.86	Min.: 1 Mult.: 1	SMD/SMT	SOP-20	STM8	16 I/O	8 bit	10 bit
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RDT6B STMicroelectronics 1: HK$63.46 140In Stock	Mfr. Part No. STM32F100RDT6B Mouser Part No 511-STM32F100RDT6B	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	140In Stock	HK$63.46 HK$51.13 HK$48.17 HK$45.46 View HK$43.65 HK$42.83 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash STM32L552VCT6Q STMicroelectronics 1: HK$100.20 129In Stock	Mfr. Part No. STM32L552VCT6Q Mouser Part No 511-STM32L552VCT6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash Learn More about STMicroelectronics stm stm32 l5 mcus	Datasheet	129In Stock	HK$100.20 HK$77.93 HK$74.31 HK$64.53	Min.: 1 Mult.: 1 Max.: 100		LQFP-100
ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line 16KB STM32F101R4T6A STMicroelectronics 1: HK$50.96 324In Stock	Mfr. Part No. STM32F101R4T6A Mouser Part No 511-STM32F101R4T6A	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Access Line 16KB Learn More about STMicroelectronics stm32f1	Datasheet	324In Stock	HK$50.96 HK$38.88 HK$34.03 HK$31.73 View HK$29.18 HK$28.36 HK$27.54 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 384 Kbytes of Flash STM32F303RDT7 STMicroelectronics 1: HK$98.23 138In Stock	Mfr. Part No. STM32F303RDT7 Mouser Part No 511-STM32F303RDT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 384 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	138In Stock	HK$98.23 HK$76.61 HK$67.90 HK$64.53 View HK$62.88 HK$57.29 HK$57.21	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M4	51 I/O	32 bit	4 x 6 bit/8 bit/10 bit/12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB STM32F207IFT6 STMicroelectronics 1: HK$162.18 67In Stock	Mfr. Part No. STM32F207IFT6 Mouser Part No 511-STM32F207IFT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 768kB Learn More about STMicroelectronics stm32f2	Datasheet	67In Stock	HK$162.18 HK$129.38 HK$112.53 HK$110.31 View HK$107.85 HK$101.60 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-176	ARM Cortex M3	140 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192 Kbytes of Flash , 32 MHz CPu STM32L071CZT3 STMicroelectronics 1: HK$56.06 444In Stock	Mfr. Part No. STM32L071CZT3 Mouser Part No 511-STM32L071CZT3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192 Kbytes of Flash , 32 MHz CPu Learn More about STMicroelectronics stm32l0	Datasheet	444In Stock	HK$56.06 HK$41.18 HK$38.39 HK$33.78 View HK$32.06 HK$28.77 HK$25.89 HK$24.91 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M0+	40 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High performance Arm Cortex-M55 MCU, 800MHz, 4.2MB SRAM, NeoChrom GPU JPEG Codec STM32N645Z0H3Q STMicroelectronics 1: HK$150.92 1,547In Stock New Product	Mfr. Part No. STM32N645Z0H3Q Mouser Part No 511-STM32N645Z0H3Q New Product	STMicroelectronics	ARM Microcontrollers - MCU High performance Arm Cortex-M55 MCU, 800MHz, 4.2MB SRAM, NeoChrom GPU JPEG Codec Learn More about STMicroelectronics stm stm32n6 mcus	Datasheet	1,547In Stock	HK$150.92 HK$117.63 HK$108.59 HK$101.43 HK$94.94	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU High performance Arm Cortex-M55 MCU 800MHz 4.2MB SRAM Neural-ART accelerator 600 GOPS NeoChrom GPU JPEG Codec H-264 enc STM32N647L0H3Q STMicroelectronics 1: HK$182.16 3,023In Stock New Product	Mfr. Part No. STM32N647L0H3Q Mouser Part No 511-STM32N647L0H3Q New Product	STMicroelectronics	ARM Microcontrollers - MCU High performance Arm Cortex-M55 MCU 800MHz 4.2MB SRAM Neural-ART accelerator 600 GOPS NeoChrom GPU JPEG Codec H-264 enc Learn More about STMicroelectronics stm stm32n6 mcus	Datasheet	3,023In Stock	HK$182.16 HK$144.34 HK$136.95 HK$124.53 View HK$120.42 HK$116.64	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU High performance Arm Cortex-M55 MCU 800MHz 4.2MB SRAM Neural-ART accelerator 600 GOPS NeoChrom GPU JPEG Codec H-264 enc STM32N647Z0H3Q STMicroelectronics 1: HK$172.13 1,552In Stock New Product	Mfr. Part No. STM32N647Z0H3Q Mouser Part No 511-STM32N647Z0H3Q New Product	STMicroelectronics	ARM Microcontrollers - MCU High performance Arm Cortex-M55 MCU 800MHz 4.2MB SRAM Neural-ART accelerator 600 GOPS NeoChrom GPU JPEG Codec H-264 enc Learn More about STMicroelectronics stm stm32n6 mcus	Datasheet	1,552In Stock	HK$172.13 HK$136.86 HK$127.99 HK$118.37 View HK$110.97 Quote	Min.: 1 Mult.: 1
ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity STM32F205REY6TR STMicroelectronics 1: HK$77.43 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$77.43 HK$64.77 HK$60.91 HK$56.31 View Reel HK$52.85 HK$54.99 HK$52.94 HK$52.85 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$46.94 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$46.94 HK$22.85 HK$21.78 HK$19.97 View Reel HK$17.34 HK$19.32 HK$18.00 HK$17.92 HK$17.34 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-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542CCU6 STMicroelectronics 1: HK$25.15 1,116In Stock 1,560Expected 19/3/2027 New Product	Mfr. Part No. STM32C542CCU6 Mouser Part No 511-STM32C542CCU6 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	1,116In Stock 1,560Expected 19/3/2027	HK$25.15 HK$18.17 HK$16.03	Min.: 1 Mult.: 1 Max.: 50	SMD/SMT	UFQFPN-48	ARM Cortex M33	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C STM32C551VET6 STMicroelectronics 1: HK$31.48 545In Stock 540Expected 30/11/2026 New Product	Mfr. Part No. STM32C551VET6 Mouser Part No 511-STM32C551VET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	545In Stock 540Expected 30/11/2026	HK$31.48 HK$21.95 HK$19.23 HK$17.18	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-100	ARM Cortex M33	86 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN STM32C552CET6 STMicroelectronics 1: HK$22.44 943In Stock New Product	Mfr. Part No. STM32C552CET6 Mouser Part No 511-STM32C552CET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	943In Stock	HK$22.44 HK$16.69 HK$14.39 HK$13.65	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-48	ARM Cortex M33	38 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN STM32C552MET6 STMicroelectronics 1: HK$25.89 736In Stock New Product	Mfr. Part No. STM32C552MET6 Mouser Part No 511-STM32C552MET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	736In Stock	HK$25.89 HK$19.32 HK$16.69	Min.: 1 Mult.: 1 Max.: 50	SMD/SMT	LQFP-80	ARM Cortex M33	66 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 STM32C562CET6 STMicroelectronics 1: HK$24.25 819In Stock New Product	Mfr. Part No. STM32C562CET6 Mouser Part No 511-STM32C562CET6 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	819In Stock	HK$24.25 HK$18.08 HK$15.62	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-48	ARM Cortex M33	38 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 STM32C562RET6 STMicroelectronics 1: HK$33.87 494In Stock 2,880On 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	494In Stock 2,880On Order On Order Ship Dates Mfr. No: STM32C562RET6 Stock: 494 Can Dispatch Immediately On Order: 960 Expected 11/2/2027 960 Expected 26/4/2027 960 TBD Factory Lead Time: 52 Weeks	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 365In 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	365In 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 STM32H5E4IJT6 STMicroelectronics 1: HK$119.11 114In Stock 400Expected 9/4/2027 New Product	Mfr. Part No. STM32H5E4IJT6 Mouser Part No 511-STM32H5E4IJT6 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	114In Stock 400Expected 9/4/2027	HK$119.11 HK$105.38 HK$81.30	Min.: 1 Mult.: 1 Max.: 50
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 100In Stock 400Expected 3/5/2027 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	100In Stock 400Expected 3/5/2027	HK$124.94 HK$110.81 HK$85.49	Min.: 1 Mult.: 1 Max.: 25
ARM Microcontrollers - MCU High-performance, Arm Cortex-M33 with TrustZone, MCU with 4-Mbyte Flash, 1504-Kbyte RAM, 250 MHz CPU STM32H5F4ZJT6 STMicroelectronics 1: HK$114.01 75In Stock 360Expected 10/5/2027 New Product	Mfr. Part No. STM32H5F4ZJT6 Mouser Part No 511-STM32H5F4ZJT6 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	75In Stock 360Expected 10/5/2027	HK$114.01 HK$89.52 HK$78.83	Min.: 1 Mult.: 1 Max.: 50
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIT6 STMicroelectronics 1: HK$76.45 100In Stock 1,500Expected 29/10/2026 New Product	Mfr. Part No. STM32U3B5CIT6 Mouser Part No 511-STM32U3B5CIT6 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	100In Stock 1,500Expected 29/10/2026	HK$76.45 HK$58.94 HK$52.20	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 90In 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	90In 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