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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

STMicroelectronics STM32U5A9NJH6QTR

Name: STM32U5A9NJH6QTR
Brand: STMicroelectronics
SKU: STM32U5A9NJH6QTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32U5A9NJH6QTR

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 216-TFBGA

Datasheet:: STM32U5A9NJH6QTR.pdf

Description:: IC MCU 32BIT 4MB FLASH 216TFBGA

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Product details

Overview

STM32U5A9NJH6QTR 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 operation (LPBAM) down to Stop 2 mode - enabling battery-powered HMI and secure edge sensor nodes.

For engineers reviewing the STM32U5A9NJH6QTR datasheet, STM32U5A9NJH6QTR pinout, STM32U5A9NJH6QTR application, or STM32U5A9NJH6QTR equivalent, key selection considerations include its dual-bank ECC flash with read-while-write, 2.5-MB SRAM with configurable ECC, MIPI DSI + LTDC for high-resolution displays, TrustZone-enabled secure boot and firmware upgrade, and sub-µA shutdown current (150 nA) with 24 wake-up pins.

Technical Context

The STM32U5A9NJH6QTR integrates a dual-core security architecture: Arm Cortex-M33 with TrustZone enforces strict isolation between secure and non-secure firmware, while the GTZC (Global TrustZone Controller) extends protection to memories, peripherals, and DMA channels. Its FlexPowerControl system combines LDO and SMPS regulators with dynamic voltage scaling and on-the-fly switching to optimize power across operating modes.

Graphics acceleration is implemented via Neo-Chrom GPU (GPU2D), Chrom-ART Accelerator (DMA2D), and Chrom-GRC (GFXMMU), enabling real-time rotation, scaling, and memory-efficient texture mapping for TFT-LCD and MIPI-DSI displays. The dual Octo-SPI interfaces support on-the-fly decryption (OTFDEC) of external flash, and the SAES/AES coprocessors include DPA-resistant implementations for TLS and secure storage.

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-enforced privilege separation.
Max Clock / Performance	160 MHz / 240 DMIPS - supports demanding UI rendering and sensor fusion without external co-processors.
Flash Memory	4 MB with ECC and read-while-write - allows safe over-the-air updates and concurrent code execution/programming.
SRAM	2.5 MB total (2450 KB with ECC enabled) - sufficient for large frame buffers, cryptographic contexts, and RTOS stacks.
Low-Power Modes	150 nA Shutdown, 480 nA Standby with RTC, 2 µA Stop 3 with 40 KB SRAM - extends battery life in always-on industrial sensors.
Display Interfaces	MIPI DSI (2 lanes @ 500 Mbit/s each) + LTDC - drives high-resolution RGB or DSI panels up to WXGA without external bridge ICs.
Crypto Acceleration	2 AES coprocessors (one DPA-resistant), PKA, HASH, RNG (NIST SP800-90B compliant), OTFDEC - meets PSA Level 3 and SESIP3 certification requirements.

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 13 (Pinout schematics).

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VDDIO2	Core, analog, and I/O power supplies	Independent domains enable mixed-signal precision and 5V-tolerant GPIOs (up to 156 pins) with flexible supply sequencing.
PA0–PA15, PB0–PB15, etc.	General-purpose I/Os	156 fast GPIOs with interrupt capability; most 5V-tolerant and configurable for LPBAM-triggered autonomous peripheral operation in Stop 2.
PD0–PD15	LTDC data/control signals	Direct parallel RGB interface supporting up to 24-bit color depth and 800×480 resolution at 60 Hz.
PE2–PE12	MIPI DSI lane and control	Dedicated DSI PHY pins (CLKP/N, DAT0P/N, DAT1P/N) supporting HS/ULPS modes and automatic lane calibration.
PF0–PF15	Octo-SPI memory interface	Two independent OCTOSPI controllers (OCTOSPI1/2) with 8-line x1/x2/x4/x8 configurations for high-bandwidth external flash or PSRAM.

Key Features

Feature	Design Value
TrustZone-enabled secure boot	Root-of-trust established via unique boot entry and HDP-protected secure hide area - prevents unauthorized firmware injection.
LPBAM autonomous mode	Peripherals (ADC, timers, SPI) operate without CPU intervention in Stop 2, reducing active time and extending battery life in sensor logging.
Neo-Chrom GPU + Chrom-ART	Hardware-accelerated 2D graphics pipeline eliminates CPU load for UI animations, alpha blending, and image rotation in embedded HMI.
On-the-fly external memory decryption	OTFDEC engine decrypts Octo-SPI flash contents transparently during fetch - enables secure code execution from external memory without performance penalty.
VBAT domain with RTC & backup SRAM	2-Kbyte backup SRAM and 32 × 32-bit registers retain state during main power loss - critical for tamper detection and time-stamped event logging.

Applications

Industrial HMI Panel

Secure Edge Gateway

Use Scenario: A factory-floor operator interface with 7-inch MIPI-DSI display, capacitive touch, and local data logging.

IC Role / Device Role / Timing Role: Main application processor handling UI rendering via LTDC+DSI, secure OTA updates via TrustZone-verified TF-M, and real-time sensor aggregation.

Use Value: Neo-Chrom GPU offloads 90% of graphics computation; 2.5 MB SRAM hosts full framebuffer and encrypted firmware partition; 150 nA shutdown enables multi-year battery life in maintenance-free deployments.

Use Scenario: Battery-powered smart meter gateway aggregating Zigbee/Z-Wave data and forwarding via TLS-secured cellular link.

IC Role / Device Role / Timing Role: Secure host MCU managing crypto operations (AES/PKA/RNG), authenticated communication stack, and low-power scheduling for intermittent reporting.

Use Value: PSA Level 3-certified crypto accelerators reduce TLS handshake latency by 4× vs software-only; 480 nA standby with RTC ensures precise 15-min reporting intervals without external timing circuitry.

Medical Wearable Monitor

Automotive Cabin Controller

Use Scenario: ECG/SpO₂ patch with OLED display, Bluetooth LE, and 7-day battery life.

IC Role / Device Role / Timing Role: Ultra-low-power sensor hub performing ADC oversampling, digital filtering (MDF), and secure health data packaging before BLE transmission.

Use Value: 12-bit ADC4 operates autonomously in Stop 2 mode; 2 µA Stop 3 preserves 40 KB SRAM for waveform buffering; TrustZone isolates PII data from application firmware.

Use Scenario: In-cabin ambient lighting and HVAC control unit with capacitive sliders, RGB LED drivers, and CAN FD diagnostics.

IC Role / Device Role / Timing Role: Central control MCU interfacing with CAN FD bus, driving PWM-controlled LEDs via advanced timers, and managing touch sensing (TSC) with LPBAM.

Use Value: Dual 16-bit advanced timers (TIM1/TIM8) generate synchronized 16-channel PWM; 17 timers + 2 watchdogs ensure ASIL-B-compliant fault monitoring; -40 °C to +125 °C rating meets automotive under-hood thermal requirements.

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
STM32U5A5VJH6QTR	2 MB Flash, 1.5 MB SRAM, no MIPI DSI, single Octo-SPI - lower memory and display capability.	Suitable for cost-sensitive secure sensor nodes without graphical UI.	Select when display interface and >2 MB Flash are unnecessary; reduces BOM cost by ~18%.
NXP i.MX RT600	Arm Cortex-M33 + DSP core, 1 MB SRAM, no TrustZone-certified crypto accelerators, no LPBAM - higher peak performance but less certified security and deeper low-power autonomy.	Better for audio DSP workloads; weaker for PSA Level 3 compliance and sub-µA retention modes.	Prefer for voice processing or motor control where DSP throughput outweighs certified security and ultra-low-power runtime.

Compared with STM32U5A5VJH6QTR, the STM32U5A9NJH6QTR adds MIPI DSI, second Octo-SPI, and 2 MB more Flash/SRAM - essential for rich HMI. Versus i.MX RT600, it provides stronger security certification, verified sub-µA modes, and autonomous peripheral operation - critical for certified medical and industrial edge devices.

Availability

STM32U5A9NJH6QTR is available at Aetrix Electronics and suitable for industrial HMI panels, secure edge gateways, medical wearables, and automotive cabin controllers requiring stable component supply and long-term lifecycle assurance.

Supply support for STM32U5A9NJH6QTR 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, specializing in microcontrollers, power management, sensors, and automotive ICs - with over 40 years of embedded systems expertise.

The STM32U5 series targets ultra-low-power, security-critical edge applications - combining Arm TrustZone, PSA-certified crypto, and sub-µA power states to enable next-generation battery-operated IoT and industrial devices.

FAQ

What is the maximum operating temperature for STM32U5A9NJH6QTR?

The STM32U5A9NJH6QTR is qualified for operation from –40 °C to +125 °C (industrial extended temperature grade). This rating is confirmed in Section 5.3.1 of DS13543 Rev 3 and applies to all LQFP100 variants. Thermal derating begins above 105 °C ambient when using SMPS regulator mode.

Does STM32U5A9NJH6QTR support USB Type-C Power Delivery?

Yes - it integrates a dedicated UCPD (USB Type-C/Power Delivery) controller compliant with USB PD 3.0 and USB Type-C 1.3 specifications. The UCPD block handles BMC physical layer signaling, policy engine, and VCONN switching without requiring external transceivers or PD controllers.

How does LPBAM reduce power in sensor applications?

LPBAM enables peripherals like ADC, timers, and SPI to execute predefined sequences autonomously in Stop 2 mode - with CPU fully powered off. For example, an ADC can sample every 10 s, store results in SRAM, and trigger DMA transfer upon buffer fill - all consuming only 4.65 µA, eliminating periodic CPU wake-ups and associated leakage.

Is the MIPI DSI interface capable of driving a 1080p display?

No - the integrated MIPI DSI host supports up to 2 data lanes at 500 Mbit/s each, limiting bandwidth to ~1 Gbit/s. This is sufficient for WVGA (800×480) or HD (1280×720) at 60 Hz with compression, but not native 1080p (1920×1080). For higher resolutions, external DSI bridge ICs or parallel RGB via LTDC are required.

STM32U5A9NJH6QTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 216-TFBGA

Series:: STM32U5

Packaging:: Tape & Reel (TR)

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, LCD, PWM, SHA, Temp Sensor, TRNG, WDT

Number of I/O:: 156

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 24x12/14b SAR; D/A 2x12b

Oscillator Type:: External, Internal

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32U5A9NJH6QTR FAQ

1.How can I place an order for STM32U5A9NJH6QTR through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32U5A9NJH6QTR 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 STM32U5A9NJH6QTR reliable?

The price and inventory of STM32U5A9NJH6QTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U5A9NJH6QTR is usually 5 days.

3.What payment methods are accepted for STM32U5A9NJH6QTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U5A9NJH6QTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32U5A9NJH6QTR?

STM32U5A9NJH6QTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32U5A9NJH6QTR 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 STM32U5A9NJH6QTR?

For technical support, including STM32U5A9NJH6QTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U5A9NJH6QTR requirements.

6.How does Aetrix verify that STM32U5A9NJH6QTR is sourced from the original manufacturer or authorized distributors?

All STM32U5A9NJH6QTR 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 STM32U5A9NJH6QTR meets industry standards.

7.What is the process for return or replacement of STM32U5A9NJH6QTR?

All STM32U5A9NJH6QTR units undergo pre-shipment inspection (PSI). If there is an issue with STM32U5A9NJH6QTR, 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 STM32U5A9NJH6QTR part is unused and in its original packaging.

Return procedure for STM32U5A9NJH6QTR:

1.Submit a request within 90 days.

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

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