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STMicroelectronics STM32U5A5VJT6Q

Name: STM32U5A5VJT6Q
Brand: STMicroelectronics
SKU: STM32U5A5VJT6Q
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32U5A5VJT6Q

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: STM32U5A5VJT6Q.pdf

Description:: IC MCU 32BIT 4MB FLASH 100LQFP

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Product details

Overview

STM32U5A5VJT6Q from STMicroelectronics is an ultra-low-power Arm® Cortex®-M33 32-bit microcontroller with TrustZone® security, 4 MB Flash, 2.5 MB SRAM, MIPI® DSI host controller, LTDC, and hardware crypto accelerators. It operates from 1.71 V to 3.6 V across –40 °C to +125 °C, delivers 240 DMIPS at 160 MHz, and supports autonomous low-power background mode (LPBAM) down to Stop 2. It targets secure, graphics-rich IoT edge nodes and battery-powered HMI systems.

For engineers reviewing the STM32U5A5VJT6Q datasheet, STM32U5A5VJT6Q pinout, STM32U5A5VJT6Q application, or STM32U5A5VJT6Q equivalent, key selection criteria include TrustZone-certified secure boot, sub-2 µA Shutdown current, 2.5-MB SRAM retention in Stop 3, dual 14-bit ADCs with Stop 2 autonomy, and MIPI DSI + LTDC for embedded display control.

Technical Context

The device integrates a dual-cache Arm Cortex-M33 core (32 KB I-Cache, 16 KB D-Cache1/2) with TrustZone-enforced memory isolation, MPU, FPU, and DSP extensions. Its power architecture combines LDO and SMPS with dynamic voltage scaling and on-the-fly switching-enabling 18.5 µA/MHz Run mode and 480 nA Standby with RTC.

Security is implemented via SESIP3/PSA Level 3 certification, root-of-trust boot, secure firmware installation (SFI), hardware unique key (HUK), and dedicated crypto blocks: two AES coprocessors (one DPA-resistant), PKA, HASH, OTFDEC for Octo-SPI, and NIST SP800-90B-compliant TRNG.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M33 with TrustZone, FPU, MPU, DSP - enables secure real-time control with hardware-isolated secure/non-secure worlds.
Max Clock / Performance	160 MHz / 240 DMIPS - supports high-throughput signal processing and graphics rendering without external co-processors.
Memory	4 MB Flash (ECC, read-while-write), 2.5 MB SRAM (ECC configurable) - ensures data integrity and large buffer space for OTA updates and UI assets.
Low-Power Modes	150 nA Shutdown, 480 nA Standby w/RTC, 2 µA Stop 3 w/40 KB SRAM - extends battery life in always-on sensor or display standby applications.
Graphics Interfaces	MIPI DSI (2 lanes @ 500 Mbit/s), LTDC, Neo-Chrom GPU2D, Chrom-ART DMA2D - drives high-resolution TFT displays with hardware-accelerated rotation, scaling, and transparency.
Analog Peripherals	2×14-bit ADC @ 2.5 Msps (oversampling), 1×12-bit ADC autonomous in Stop 2, 2×DAC, 2×OPAMP, 2×COMP - supports precision sensor acquisition and analog control during ultra-low-power operation.
Security Features	SESIP3/PSA Level 3 certified, secure boot, HUK, SFI, TF-M support, OTFDEC, DPA-resistant AES/PKA - meets industrial and medical requirements for firmware authenticity and data confidentiality.

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 leads. Pin functions validated per STMicroelectronics DS13543 Rev 3, Section 4.2 (Pin description) and Table 12 (Pinout for LQFP100).

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VDDIO2	Main, analog, and I/O supply rails	Independent 1.71–3.6 V domains enable mixed-signal integrity and 5 V-tolerant GPIOs (up to 156 pins).
PA0–PA15, PB0–PB15, etc.	General-purpose I/Os	156 fast I/Os with interrupt capability; up to 14 support independent 1.08–3.6 V supply for interfacing with low-voltage peripherals.
PC13–PC15	RTC oscillator inputs	Support 32.768 kHz crystal for hardware calendar, alarms, and calibration in VBAT mode.
PD0–PD1	MIPI DSI clock/data lanes	Dedicated differential pairs for high-speed display interface up to 500 Mbit/s per lane.
PE0–PE15	LTDC data/control signals	24-bit RGB + sync/control bus for parallel LCD-TFT panels up to WXGA resolution.
PF0–PF15	Octo-SPI I/Os	Configurable for x1/x2/x4/x8 SPI modes; supports external PSRAM/NOR/FRAM with on-the-fly decryption (OTFDEC).

Key Features

Feature	Design Value
LPBAM (Low-Power Background Autonomous Mode)	Enables DMA-driven peripheral chains (ADC→DMA→memory) without CPU wake-up - reduces active time in Stop 2 mode.
Neo-Chrom GPU2D + Chrom-ART Accelerator	Hardware-accelerated 2D graphics: arbitrary-angle rotation, perspective-correct texture mapping, alpha blending - offloads GUI rendering from CPU.
TrustZone + GTZC (Global TrustZone Controller)	Configurable secure/non-secure memory/peripheral partitioning at runtime - enforces isolation between firmware components and peripherals.
On-the-fly Decryption (OTFDEC)	Decrypts external Octo-SPI memory contents transparently during fetch - enables secure code execution from external flash without exposing plaintext.
VBAT Domain with Backup SRAM	2 KB backup SRAM + 32×32-bit registers retain state during main power loss - preserves RTC, configuration, and critical context across power cycles.

Applications

Smart Wearable Display

Secure Industrial Gateway

Use Scenario: Battery-powered smartwatch with color TFT display, biometric sensors, and BLE connectivity.

IC Role / Device Role / Timing Role: Main application MCU managing display (via MIPI DSI + LTDC), sensor fusion (dual ADCs + CORDIC/FMAC), secure BLE stack (TrustZone-protected crypto), and ultra-low-power scheduling (LPBAM).

Use Value: 18.5 µA/MHz Run mode and 480 nA Standby with RTC extend battery life >7 days; Neo-Chrom GPU2D renders smooth animations without CPU load.

Use Scenario: DIN-rail mounted gateway aggregating Modbus RTU, CAN FD, and Ethernet fieldbus data with TLS-secured cloud upload.

IC Role / Device Role / Timing Role: Secure edge processor executing TF-M-based PSA-compliant firmware, handling crypto (AES/PKA/HASH), CAN FD comms, and deterministic real-time tasks via advanced timers.

Use Value: SESIP3/PSA Level 3 certification validates secure boot and firmware update; 2×CAN FD controllers enable dual-fieldbus redundancy.

Medical Patient Monitor

Energy-Efficient HMI Terminal

Use Scenario: Portable ECG monitor with analog front-end, OLED display, and encrypted patient data storage.

IC Role / Device Role / Timing Role: Signal acquisition MCU with 14-bit ADC oversampling, autonomous Stop 2 ADC/DAC operation, secure data encryption (SAES + OTFDEC), and display control (LTDC + Chrom-ART).

Use Value: Dual 14-bit ADCs achieve <10 µV ENOB for clinical-grade signal fidelity; VBAT domain retains calibration data during battery swaps.

Use Scenario: Factory-floor HMI panel with resistive/capacitive touch, multi-language GUI, and local data logging.

IC Role / Device Role / Timing Role: Graphics-centric controller using Chrom-GRC (GFXMMU) for resource optimization, TSC for touch sensing, and SDMMC for log storage - all coordinated under TrustZone-secured RTOS.

Use Value: Chrom-GRC reduces GPU memory bandwidth by up to 20 %; 2.5 MB SRAM buffers full GUI assets and touch event queues without external DRAM.

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power secure MCU applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32U575ZIT6	Same U5A series core, but 2 MB Flash, 1 MB SRAM, no MIPI DSI, only single 14-bit ADC	Suitable for cost-sensitive secure IoT nodes without display or high-resolution analog acquisition	Select when display interface and >2 MB SRAM are unnecessary; lower BOM cost and smaller footprint (LQFP144 vs LQFP100).
RA8T10232FBC0	Arm Cortex-M85 core, 2 MB Flash, 1.5 MB SRAM, no TrustZone, no MIPI DSI, different crypto IP (AES-256 only)	Targets motor control + basic connectivity; lacks PSA Level 3 certification and display acceleration	Choose for Renesas ecosystem alignment or specific motor-control peripherals; not drop-in for secure display applications.

Compared with STM32U5A5VJT6Q, STM32U575ZIT6 trades display/analog capability for lower cost and power, while RA8T10232FBC0 offers higher CPU performance but lacks PSA-certified security, MIPI DSI, and ultra-low-power graphics features essential for battery-powered HMIs.

Availability

STM32U5A5VJT6Q is available at Aetrix Electronics and suitable for secure edge IoT devices, battery-powered medical monitors, industrial HMIs, and graphics-rich wearable systems requiring stable component supply and long-term lifecycle assurance.

Supply support for STM32U5A5VJT6Q includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and automotive semiconductors since 1987.

The STM32U5 series is ST's flagship ultra-low-power secure MCU line, engineered for energy-constrained, safety-critical, and privacy-sensitive applications including wearables, medical devices, and industrial gateways.

FAQ

What is the maximum operating temperature rating for STM32U5A5VJT6Q?

The STM32U5A5VJT6Q is rated for operation from –40 °C to +125 °C ambient temperature, validated per DS13543 Rev 3 Section 5.3.1. This extended range supports deployment in harsh industrial environments and under-hood automotive applications where thermal margin is critical.

Does STM32U5A5VJT6Q support external memory interfaces beyond Octo-SPI?

Yes - it supports Flexible Static Memory Controller (FSMC) for NOR/PSRAM/NAND/FRAM and a 16-bit HSPI interface running up to 160 MHz. These interfaces complement Octo-SPI, enabling flexible memory expansion with different latency, density, and cost trade-offs for code/data storage.

How does TrustZone implementation differ between STM32U5A5VJT6Q and earlier STM32L5 devices?

STM32U5A5VJT6Q adds Global TrustZone Controller (GTZC) enhancements including securable LPGPIOs, enhanced GTZC firewall granularity, and tighter integration with PWR/EXTI/RCC peripherals. It also achieves SESIP3 and PSA Level 3 certification - exceeding STM32L5's PSA Level 1 validation scope.

Can the MIPI DSI interface drive standard mobile display panels?

Yes - the dual-lane MIPI DSI host controller complies with MIPI D-PHY v1.2 and supports data rates up to 500 Mbit/s per lane (1 Gbit/s aggregate), compatible with common AMOLED/LCD panels used in smartphones and tablets. Timing parameters align with JEDEC JESD-220 specifications per DS13543 Section 5.3.33.

STM32U5A5VJT6Q Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 100-LQFP

Series:: STM32U5

Packaging:: Tray

Product Status:: Active

Programmable:: -

Core Processor:: ARM® Cortex®-M33

Core Size:: 32-Bit

Speed:: 160MHz

Connectivity:: CANbus, EBI/EMI, FIFO, I2C, IrDA, LINbus, MMC/SD, SPI, UART/USART/USB

Peripherals:: Brown-out Detect/Reset, Crypto - AES, DMA, PWM, SHA, Temp Sensor, TRNG, WDT

Number of I/O:: 79

Program Memory Size:: 4MB (4M x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 2.5M x 8

Voltage - Supply (Vcc/Vdd):: 1.71V ~ 3.6V

Data Converters:: A/D 18x12/14b SAR; D/A 2x12b

Oscillator Type:: External, Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32U5A5VJT6Q FAQ

1.How can I place an order for STM32U5A5VJT6Q through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32U5A5VJT6Q on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for STM32U5A5VJT6Q reliable?

The price and inventory of STM32U5A5VJT6Q are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U5A5VJT6Q is usually 5 days.

3.What payment methods are accepted for STM32U5A5VJT6Q?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U5A5VJT6Q transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32U5A5VJT6Q?

STM32U5A5VJT6Q orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32U5A5VJT6Q order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for STM32U5A5VJT6Q?

For technical support, including STM32U5A5VJT6Q datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U5A5VJT6Q requirements.

6.How does Aetrix verify that STM32U5A5VJT6Q is sourced from the original manufacturer or authorized distributors?

All STM32U5A5VJT6Q products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32U5A5VJT6Q meets industry standards.

7.What is the process for return or replacement of STM32U5A5VJT6Q?

All STM32U5A5VJT6Q units undergo pre-shipment inspection (PSI). If there is an issue with STM32U5A5VJT6Q, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The STM32U5A5VJT6Q part is unused and in its original packaging.

Return procedure for STM32U5A5VJT6Q:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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