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STMicroelectronics STM32U5A5AJH6TR
- Part No.:
- STM32U5A5AJH6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 169-TFBGA
- Datasheet:
-
STM32U5A5AJH6TR.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 169TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,827
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Product details
Overview
STM32U5A5AJH6TR 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 STM32U5A5AJH6TR datasheet, STM32U5A5AJH6TR pinout, STM32U5A5AJH6TR application, or STM32U5A5AJH6TR equivalent, key selection criteria include TrustZone-certified secure boot, sub-µA shutdown current (150 nA), dual 14-bit ADCs with Stop 2 autonomy, Neo-Chrom GPU acceleration, and Octo-SPI/HSPI external memory support for graphics-rich IoT endpoints.
Technical Context
The device integrates a dual-cache Arm Cortex-M33 core (32 KB I-Cache, 16 KB D-Cache1/D-Cache2) with TrustZone-enforced memory isolation, MPU, FPU, and DSP extensions. Its power architecture combines embedded LDO and SMPS step-down converter with dynamic voltage scaling and on-the-fly switching.
Security is implemented via SESIP3/PSA Level 3 certification, secure root of trust (unique boot entry + HDP), embedded Root Secure Services (RSS), two AES coprocessors (one DPA-resistant), PKA, HASH, OTFDEC for Octo-SPI decryption, 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-enforced privilege separation. |
| Max Clock / Performance | 160 MHz / 240 DMIPS - supports high-throughput signal processing and graphics rendering without external clock sources. |
| Memory | 4 MB Flash (ECC, read-while-write), 2.5 MB SRAM (ECC configurable) - enables large firmware images and secure data buffers for OTA updates. |
| 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 and wearable applications. |
| Graphics Interface | MIPI DSI host (2 lanes @ 500 Mbit/s each) + LTDC + Neo-Chrom GPU2D - drives high-resolution color displays with hardware-accelerated rotation/scaling. |
| Security Features | SESIP3/PSA Level 3 certified; TrustZone peripherals; secure firmware installation (SFI); OTFDEC; HUK; 96-bit UID - meets industrial and medical device security requirements. |
| 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 with minimal active power. |
Pinout & Package
LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 pins - suitable for industrial HMI and portable medical devices requiring thermal reliability and manual reworkability.
| 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 I/Os (up to 156 pins). |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/Os | 156 fast GPIOs with interrupt capability; up to 14 support independent 1.08–3.6 V supply for ultra-low-voltage interfaces. |
| PC0–PC15 (LTDC) | RGB interface signals | Dedicated 24-bit parallel RGB output with sync controls - directly drives TFT panels without external timing controllers. |
| PD0–PD10 (DSI) | MIPI DSI host differential pairs | Two DSI lanes (CLKP/N, DAT0P/N) supporting 500 Mbit/s per lane - enables compact, EMI-efficient display interconnect. |
| PF0–PF15 (OCTOSPI) | Octo-SPI memory interface | 8-line x1/x2/x4/x8 configuration for high-bandwidth external flash/PSRAM - offloads graphics assets from internal memory. |
| NRST | Active-low reset input | Asynchronous reset with Schmitt trigger; supports external pull-up and debouncing for robust system initialization. |
Key Features
| Feature | Design Value |
|---|---|
| LPBAM (Low-Power Background Autonomous Mode) | Enables DMA-driven peripheral chains (ADC→DMA→Crypto→SRAM) while CPU sleeps in Stop 2 - eliminates wake-up latency for continuous sensor logging. |
| Neo-Chrom GPU2D + Chrom-ART Accelerator | Hardware-accelerated 2D graphics: rotation, scaling, alpha blending, and perspective-correct texture mapping - reduces CPU load by >70 % in GUI rendering. |
| TrustZone + GTZC Peripheral Protection | Configurable secure/non-secure memory regions and peripheral access rights - enforces hardware-rooted separation between trusted firmware and application code. |
| On-the-Fly Decryption (OTFDEC) | Real-time AES-128/256 decryption of Octo-SPI external memory contents - allows secure storage of firmware/assets outside internal Flash without performance penalty. |
| VBAT Domain with RTC & Backup SRAM | Retains RTC time, calendar, alarms, and 2 KB backup SRAM during main power loss - enables tamper-proof timestamping and state persistence. |
Applications
| Smart Medical Wearables | Industrial HMI Panels |
|---|---|
Use Scenario: Continuous physiological monitoring (ECG, SpO₂) with local analytics and Bluetooth LE telemetry. IC Role / Device Role / Timing Role: Main application processor with integrated ADCs, crypto, and LPBAM - handles sensor fusion, secure data signing, and display refresh autonomously. Use Value: 2 µA Stop 3 mode preserves battery for >1 year; TrustZone isolates BLE stack from clinical algorithms; MIPI DSI drives compact OLED displays. | Use Scenario: Factory-floor operator interface with touch-enabled GUI, real-time diagnostics, and secure firmware updates. IC Role / Device Role / Timing Role: Graphics-capable MCU managing LTDC + Neo-Chrom GPU + touch controller - renders responsive UIs while running deterministic PLC communication stacks. Use Value: 4 MB Flash stores dual firmware images; OTFDEC secures update payloads; 125 °C rating ensures reliability in uncooled enclosures. |
| Secure Edge Gateways | Portable Diagnostic Devices |
Use Scenario: Field-deployed gateway aggregating Modbus/RS485 sensor data, performing TLS-secured cloud uploads, and enforcing access policies. IC Role / Device Role / Timing Role: Secure network node with FDCAN, USB PD, SAI audio, and PSA-certified crypto - executes TF-M-based secure services and TLS 1.3 handshakes in TrustZone-protected environment. Use Value: Dual AES coprocessors accelerate TLS record encryption; UCPD controller manages USB-C power negotiation; 17 timers coordinate multi-protocol scheduling. | Use Scenario: Handheld ultrasound or point-of-care imaging device requiring low-latency image capture, processing, and display. IC Role / Device Role / Timing Role: Image acquisition and rendering engine with DCMI, LTDC, MIPI DSI, and Chrom-GRC GFXMMU - pipelines raw sensor data to display with <10 ms end-to-end latency. Use Value: 2.5 Msps ADCs digitize analog front-end signals; Neo-Chrom GPU rotates/scals B-mode frames in real time; 2.5 MB SRAM buffers full-frame buffers. |
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, no Neo-Chrom GPU - lacks display acceleration and external memory bandwidth. | Suitable for non-graphical secure endpoints (e.g., smart meters, asset trackers) where display is absent and memory footprint is smaller. | Select when display interface and >2 MB SRAM are unnecessary - lower cost and reduced PCB layer count. |
| NXP i.MX RT1176AVM8B | Arm Cortex-M7 + M4 dual-core, 1 MB SRAM, no TrustZone, no PSA Level 3 certification, no LPBAM - higher peak performance but significantly higher active power (≈30 mA vs. 18.5 µA/MHz). | Better for Linux-capable edge AI inference, but unsuitable for battery-operated secure sensors requiring sub-µA sleep states. | Choose only if dual-core deterministic control + AI acceleration outweighs ultra-low-power and security certification requirements. |
Compared with STM32U5A5AJH6TR, the STM32U575ZIT6 sacrifices display capability and memory for cost-sensitive secure nodes, while the i.MX RT1176 trades verified PSA Level 3 assurance and 150 nA shutdown for raw compute - making the U5A5AJH6TR uniquely balanced for graphics-rich, battery-powered, certifiable edge devices.
Availability
STM32U5A5AJH6TR is available at Aetrix Electronics and suitable for industrial HMI, portable medical diagnostics, secure edge gateways, and battery-powered smart wearables requiring stable component supply and long-term lifecycle support.
Supply support for STM32U5A5AJH6TR 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 targets ultra-low-power, security-critical embedded applications - combining Arm TrustZone, PSA-certified firmware, and sub-µA power modes to serve medical, industrial, and consumer IoT markets demanding both longevity and compliance.
FAQ
What is the maximum operating temperature for STM32U5A5AJH6TR?
The STM32U5A5AJH6TR is rated for operation from –40 °C to +125 °C ambient temperature, validated per industrial-grade specifications. This extended range supports deployment in uncooled industrial enclosures, automotive under-hood environments, and medical equipment requiring thermal resilience without derating.
Does STM32U5A5AJH6TR support external memory interfaces beyond Octo-SPI?
Yes - in addition to two Octo-SPI interfaces, it supports HSPI (Hexadeca-SPI) up to 160 MHz, FSMC for SRAM/PSRAM/NOR/NAND/FRAM, and SDMMC v4.0 for eMMC and SDIO cards. These interfaces enable flexible external memory expansion for graphics frame buffers, firmware storage, and data logging without external logic.
How does LPBAM reduce system power in sensor applications?
LPBAM enables autonomous peripheral chains (e.g., ADC → DMA → Crypto → SRAM) to execute in Stop 2 mode without CPU intervention. This eliminates wake-up latency and CPU overhead, reducing average current to ~4.65 µA in Stop 2 with 40 KB SRAM retained - ideal for periodic sensor sampling with on-chip encryption.
Is the MIPI DSI interface compatible with standard DSI display modules?
Yes - the MIPI DSI host controller supports two DSI lanes operating at up to 500 Mbit/s each, compliant with MIPI DSI v1.2. It interfaces directly with standard DSI display modules (e.g., 720p OLED, 1080p LCD) using standard D-PHY signaling, requiring only matching impedance layout and proper termination per JEDEC JESD220.
STM32U5A5AJH6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 169-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, PWM, SHA, Temp Sensor, TRNG, WDT
- Number of I/O:
- 136
- 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:
STM32U5A5AJH6TR FAQ
1.How can I place an order for STM32U5A5AJH6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32U5A5AJH6TR 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 STM32U5A5AJH6TR reliable?
The price and inventory of STM32U5A5AJH6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U5A5AJH6TR is usually 5 days.
3.What payment methods are accepted for STM32U5A5AJH6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U5A5AJH6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32U5A5AJH6TR?
STM32U5A5AJH6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32U5A5AJH6TR 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 STM32U5A5AJH6TR?
For technical support, including STM32U5A5AJH6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U5A5AJH6TR requirements.
6.How does Aetrix verify that STM32U5A5AJH6TR is sourced from the original manufacturer or authorized distributors?
All STM32U5A5AJH6TR 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 STM32U5A5AJH6TR meets industry standards.
7.What is the process for return or replacement of STM32U5A5AJH6TR?
All STM32U5A5AJH6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32U5A5AJH6TR, 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 STM32U5A5AJH6TR part is unused and in its original packaging.
Return procedure for STM32U5A5AJH6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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