ARM Microcontrollers - MCU – Mouser Hong Kong

.hide-partial { max-height: none; } .show-more { display: none; }

STM32U3 Ultra-Low-Power 32-Bit Microcontrollers

STMicroelectronics STM32U3 Ultra-Low-Power Arm^® Cortex^®-M33 32-Bit Microcontrollers with TrustZone^® and a Floating-Point Unit (FPU) operate at up to 96MHz. The single‑precision FPU supports all the Arm single‑precision data‑processing instructions and data types. The Cortex-M33 core also implements a full set of digital signal processing (DSP) instructions and a memory protection unit (MPU) that enhances application security. Based on near-threshold voltage technology, the STM32U3 devices reduce the active consumption down to 10µA/MHz, resulting in far longer battery life for any application.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 61

Applied Filters:

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

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Package/Case	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 96 MHz with 512 Kby STM32U375REY6QTR STMicroelectronics 1: HK$51.70 162In Stock New Product	Mfr. Part No. STM32U375REY6QTR Mouser Part No 511-STM32U375REY6QTR New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 96 MHz with 512 Kby Learn More about STMicroelectronics stm32u3 mcus	Datasheet	162In Stock	Cut Tape HK$51.70 HK$36.50 HK$34.03 HK$29.92 View Reel HK$22.85 HK$27.29 HK$25.15 HK$24.82 HK$24.41 HK$22.85	Min.: 1 Mult.: 1 : 5,000	STM32U3				Reel, Cut Tape
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	STM32U3	LQFP-48	- 40 C	+ 85 C	Tray
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	STM32U3	UFQFPN-48	- 40 C	+ 85 C	Tray
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	STM32U3	UFQFPN-48	- 40 C	+ 85 C	Tray
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	STM32U3	LQFP-64	- 40 C	+ 85 C	Tray
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	STM32U3	LQFP-64	- 40 C	+ 85 C	Tray
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	STM32U3	LQFP-144	- 40 C	+ 85 C	Tray
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	STM32U3				Tray
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	STM32U3				Tray
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	STM32U3				Tray
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	STM32U3				Tray
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	STM32U3				Tray
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	STM32U3				Tray
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	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU 96 MHz with 512 Kbytes STM32U375CET6Q STMicroelectronics 1: HK$46.03 1,971In Stock New Product	Mfr. Part No. STM32U375CET6Q Mouser Part No 511-STM32U375CET6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU 96 MHz with 512 Kbytes Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,971In Stock	HK$46.03 HK$35.02 HK$30.66 HK$29.26 View HK$27.54 HK$22.93	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375CGU6Q STMicroelectronics 1: HK$55.73 3,017In Stock New Product	Mfr. Part No. STM32U375CGU6Q Mouser Part No 511-STM32U375CGU6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	3,017In Stock	HK$55.73 HK$42.74 HK$37.48 HK$35.92 View HK$34.11 HK$33.13 HK$28.61 HK$28.28	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375KGU6 STMicroelectronics 1: HK$57.13 1,620In Stock New Product	Mfr. Part No. STM32U375KGU6 Mouser Part No 511-STM32U375KGU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,620In Stock	HK$57.13 HK$43.81 HK$38.55 HK$36.83 View HK$34.11 HK$32.96 HK$29.59 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375RGI6Q STMicroelectronics 1: HK$60.50 2,916In Stock New Product	Mfr. Part No. STM32U375RGI6Q Mouser Part No 511-STM32U375RGI6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	2,916In Stock	HK$60.50 HK$46.53 HK$40.94 HK$39.21 View HK$38.55 HK$35.43 HK$33.54 HK$33.37 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375RGT6Q STMicroelectronics 1: HK$62.64 1,853In Stock New Product	Mfr. Part No. STM32U375RGT6Q Mouser Part No 511-STM32U375RGT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,853In Stock	HK$62.64 HK$47.43 HK$42.33 HK$37.81 HK$31.07	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375VET6 STMicroelectronics 1: HK$64.03 634In Stock 540Expected 1/10/2026 New Product	Mfr. Part No. STM32U375VET6 Mouser Part No 511-STM32U375VET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	634In Stock 540Expected 1/10/2026	HK$64.03 HK$44.72 HK$42.66 HK$37.32 View HK$34.44 HK$32.06 HK$31.65 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375VGT6 STMicroelectronics 1: HK$66.25 630In Stock New Product	Mfr. Part No. STM32U375VGT6 Mouser Part No 511-STM32U375VGT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	630In Stock	HK$66.25 HK$51.13 HK$45.05 HK$44.06 View HK$43.98 HK$40.77 HK$38.39 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375VGT6Q STMicroelectronics 1: HK$66.25 546In Stock 540Expected 16/11/2026 New Product	Mfr. Part No. STM32U375VGT6Q Mouser Part No 511-STM32U375VGT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	546In Stock 540Expected 16/11/2026	HK$66.25 HK$51.13 HK$43.40 HK$42.66 View HK$42.09 HK$40.61 HK$38.31 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U385CGT6 STMicroelectronics 1: HK$58.12 789In Stock New Product	Mfr. Part No. STM32U385CGT6 Mouser Part No 511-STM32U385CGT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	789In Stock	HK$58.12 HK$44.63 HK$39.21 HK$37.57 View HK$36.91 HK$34.69 HK$34.61	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U385CGT6Q STMicroelectronics 1: HK$58.12 1,555In Stock New Product	Mfr. Part No. STM32U385CGT6Q Mouser Part No 511-STM32U385CGT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,555In Stock	HK$58.12 HK$44.63 HK$39.21 HK$37.57 View HK$35.76 HK$34.69 HK$34.61	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U385CGU6 STMicroelectronics 1: HK$58.12 1,568In Stock 3,120Expected 9/10/2026 New Product	Mfr. Part No. STM32U385CGU6 Mouser Part No 511-STM32U385CGU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,568In Stock 3,120Expected 9/10/2026	HK$58.12 HK$44.63 HK$39.21 HK$37.57 View HK$36.91 HK$34.69 HK$34.61	Min.: 1 Mult.: 1	STM32U3				Tray

STM32U3 Ultra-Low-Power 32-Bit Microcontrollers

Applied Filters:

Customer Service Office

Company

Resources

Support