My Inquiry
My Account
STMicroelectronics STM32U5A9ZJT6Q
- Part No.:
- STM32U5A9ZJT6Q
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32U5A9ZJT6Q.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:324
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32U5A9ZJT6Q from STMicroelectronics is an ultra-low-power Arm® Cortex®-M33 32-bit microcontroller with TrustZone® security, 4 MB Flash, 2.5 MB SRAM, LTDC display controller, MIPI® DSI host interface, 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 nodes.
For engineers reviewing the STM32U5A9ZJT6Q datasheet, STM32U5A9ZJT6Q pinout, STM32U5A9ZJT6Q application, or STM32U5A9ZJT6Q equivalent, key selection criteria include TrustZone-certified secure boot, sub-2 µA Stop 3 current with 2.5-MB SRAM retention, dual Octo-SPI interfaces for encrypted external memory, Neo-Chrom GPU acceleration, and PSA Level 3/SESIP3 certification for IoT endpoint trust anchors.
Technical Context
The STM32U5A9ZJT6Q integrates a dual-cache Arm Cortex-M33 core (32 KB I-Cache, 16 KB D-Cache1/D-Cache2) with TrustZone-enforced memory and peripheral isolation, enabling secure firmware partitioning between secure/non-secure worlds. Its FlexPowerControl architecture combines SMPS + LDO regulation, voltage scaling, and 7 low-power modes - including 480 nA Standby with RTC and 2 μA Stop 3 with 40-KB SRAM retention.
Graphics and connectivity are co-architected: the Neo-Chrom GPU (GPU2D), Chrom-ART Accelerator (DMA2D), and Chrom-GRC (GFXMMU) jointly enable real-time UI rendering on TFT-LCD or MIPI-DSI panels, while the dual Octo-SPI interfaces support on-the-fly decryption (OTFDEC) of external flash via two AES coprocessors - one DPA-resistant - and a PSA-certified public key accelerator (PKA).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 with TrustZone, FPU, MPU, DSP - enables secure real-time control and cryptographic operations in isolated execution environments. |
| Max Clock / Performance | 160 MHz / 240 DMIPS - supports high-throughput sensor fusion, audio processing, and UI rendering without external co-processors. |
| Memory | 4 MB Flash (ECC, read-while-write), 2.5 MB SRAM (with configurable ECC) - allows large OTA firmware images and runtime data buffers with fault resilience. |
| Low-Power Modes | 2 μA Stop 3 (40-KB SRAM), 17.5 μA Stop 2 (2.5-MB SRAM), 480 nA Standby with RTC - extends battery life in always-on industrial HMIs and medical wearables. |
| Security | PSA Level 3 & SESIP3 certified; TrustZone, secure boot, HUK, SFI, OTFDEC, DPA-resistant AES/PKA - meets stringent IoT device attestation and firmware integrity requirements. |
| Graphics Interface | LTDC + MIPI DSI (2 lanes @ 500 Mbit/s each) + Neo-Chrom GPU - drives high-resolution color displays with hardware-accelerated rotation, scaling, and texture mapping. |
| Analog Peripherals | Two 14-bit ADCs (2.5 Msps), 12-bit DAC (2 ch), 2 op-amps with PGA, 2 ultra-low-power comparators - supports precision sensor acquisition and analog actuation in mixed-signal edge nodes. |
Pinout & Package
LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 pins. Pin functions include VDD/VSS power rails, BOOT0 reset configuration, NRST, 32-bit address/data bus for FSMC, dual Octo-SPI I/Os, MIPI DSI differential pairs (CLKP/N, DAT0P/N–DAT1P/N), LTDC RGB888 signals, USB HS DP/DM, UCPD CC1/CC2, and 156 GPIOs (most 5V-tolerant).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| NRST | Active-low reset input | Asynchronous hard reset with internal pull-up; triggers system-wide initialization and TrustZone state reset. |
| BOOT0 | Boot mode selection | High at power-up selects system memory bootloader; used for field firmware recovery without debugger. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 156 total fast I/Os; most tolerate 5 V, supporting mixed-voltage interfacing with legacy peripherals and sensors. |
| PD0–PD15 | FSMC address/data bus | Enables direct connection to external SRAM, PSRAM, NOR, NAND, or FRAM up to 16-bit width and 100 MHz timing. |
| PE2–PE15 | LTDC RGB888 + HSYNC/VSYNC/DE | Drives parallel RGB interface for TFT-LCD panels up to XGA resolution with hardware pixel blending and alpha compositing. |
| PF0–PF15 | MIPI DSI clock and data lanes | Differential CLKP/N and DAT0P/N–DAT1P/N support dual-lane DSI at 500 Mbit/s per lane for compact high-speed display links. |
Key Features
| Feature | Design Value |
|---|---|
| FlexPowerControl with SMPS + LDO | Reduces active-mode current by up to 30% vs. LDO-only designs; enables dynamic voltage scaling during runtime for optimal energy-per-instruction. |
| LPBAM (Low-Power Background Autonomous Mode) | Permits DMA-driven peripheral chains (e.g., ADC → AES → SRAM) to execute without CPU wake-up - cutting average system power in sensor logging applications. |
| Neo-Chrom GPU (GPU2D) + Chrom-ART (DMA2D) | Accelerates UI rendering tasks (rotation, scaling, transparency) in parallel with CPU, freeing core cycles for application logic and cryptography. |
| On-the-fly decryption (OTFDEC) for Octo-SPI | Decrypts external flash contents transparently during fetch - enabling secure code execution from cost-effective off-chip memory without software overhead. |
| Secure Root of Trust with HDP & unique boot entry | Guarantees immutable first instruction fetch from protected ROM; prevents rollback attacks and unauthorized debug access via hardware-enforced life-cycle states. |
Applications
| Industrial HMI Panel | Secure Medical Wearable |
|---|---|
Use Scenario: A battery-powered, tamper-resistant operator interface for PLC-controlled machinery with touch-enabled GUI and real-time alarm visualization. IC Role / Device Role / Timing Role: Main application processor executing RTOS, rendering UI via LTDC+MIPI DSI, acquiring analog sensor inputs, and enforcing secure firmware updates over CAN FD. Use Value: 2.5-MB SRAM retains full GUI context during Stop 2 mode; TrustZone isolates BLE stack from safety-critical control logic; LPBAM reduces polling overhead on temperature/humidity sensors. | Use Scenario: A Class IIa wearable ECG monitor requiring FDA-compliant data encryption, long-term battery life, and clinical-grade analog signal fidelity. IC Role / Device Role / Timing Role: Secure data acquisition hub managing 14-bit ADC sampling, real-time QRS detection, AES-256 encryption, and Bluetooth LE transmission with PSA-certified key storage. Use Value: Dual 14-bit ADCs achieve <1 LSB INL for diagnostic waveform accuracy; 480 nA Standby with RTC enables multi-week shelf life; HUK-backed secure storage protects patient identifiers. |
| Smart Energy Gateway | Automotive Cabin Controller |
Use Scenario: DIN-rail-mounted gateway aggregating Modbus, M-Bus, and pulse-count metering data, with TLS-secured cloud upload and local web UI. IC Role / Device Role / Timing Role: Secure network edge node running TF-M, handling TLS handshake via hardware crypto engines, managing dual Octo-SPI encrypted firmware partitions, and driving local LCD via LTDC. Use Value: 120000 SecureMark™-TLS score validates hardware-accelerated TLS 1.3 performance; 4-MB Flash supports A/B firmware updates; OTFDEC ensures encrypted OTA delivery. | Use Scenario: In-vehicle infotainment companion module controlling ambient lighting, HVAC feedback, and capacitive touch buttons with ASIL-B functional safety support. IC Role / Device Role / Timing Role: Safety-monitored subsystem MCU providing redundant status reporting, touch sensing (TSC), PWM dimming, and CAN FD communication with main head unit. Use Value: Dual watchdogs (IWDG + WWDG) and RDP-level debug lock meet ISO 26262 tool qualification requirements; 156 GPIOs support mixed-voltage automotive sensors and actuators. |
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 |
|---|---|---|---|
| STM32U575ZIT6Q | Same package and pinout; 2 MB Flash, 1 MB SRAM, no MIPI DSI or Neo-Chrom GPU; lower crypto engine count. | Suitable for secure sensor hubs or BLE gateways without display requirements. | Select when display graphics and >2 MB external memory bandwidth are unnecessary - reduces BOM cost and layout complexity. |
| RA8T10232FBC0 | Arm Cortex-M85 core, 4 MB Flash, 2 MB SRAM, no TrustZone but Arm CCA support; lacks MIPI DSI and LTDC; includes Ethernet MAC. | Better suited for industrial controllers needing deterministic real-time networking over Ethernet. | Choose for time-sensitive networking stacks where Ethernet PHY integration outweighs display capability and PSA Level 3 certification. |
Compared with STM32U575ZIT6Q, the STM32U5A9ZJT6Q adds MIPI DSI, LTDC, Neo-Chrom GPU, and enhanced crypto (dual AES, PKA, OTFDEC) - critical for secure, graphics-rich edge devices. Versus RA8T10232FBC0, it offers superior low-power graphics throughput and PSA-certified security, but omits Ethernet - making it ideal for display-centric, battery-operated endpoints rather than wired industrial controllers.
Availability
STM32U5A9ZJT6Q is available at Aetrix Electronics and suitable for industrial HMI panels, secure medical wearables, smart energy gateways, and automotive cabin controllers requiring stable component supply across extended product lifecycles.
Supply support for STM32U5A9ZJT6Q 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 analog components for industrial, automotive, and consumer markets.
The STM32U5 series targets ultra-low-power, secure edge computing - combining Arm TrustZone, PSA-certified security, advanced graphics acceleration, and sub-μA low-power modes to enable next-generation battery-operated IoT endpoints and human-machine interfaces.
FAQ
What is the maximum operating temperature range for STM32U5A9ZJT6Q?
The STM32U5A9ZJT6Q is rated for operation from –40 °C to +125 °C (ambient temperature), qualified per AEC-Q100 Grade 1 for automotive use cases and validated for industrial environments with extended thermal cycling. This rating applies under specified voltage and load conditions per DS13543 Rev 3 Section 5.3.1.
Does STM32U5A9ZJT6Q support hardware-based secure boot with anti-rollback protection?
Yes - it implements a hardware-rooted secure boot using a unique boot entry vector, secure hide-protection area (HDP), and flexible life-cycle management with Read-Out Protection (RDP) levels. Anti-rollback is enforced via monotonic counters stored in tamper-protected registers and verified during each boot sequence before non-secure code execution.
Can the Neo-Chrom GPU operate independently of the CPU during low-power modes?
No - the Neo-Chrom GPU requires active clocking and power domain activation, and is disabled in Stop 2 and deeper low-power modes. However, the LTDC controller retains frame buffer content in SRAM during Stop 2, allowing instant display resume upon wake-up without GPU reinitialization or frame reload.
How many independent power domains does STM32U5A9ZJT6Q support for mixed-voltage I/O operation?
The device supports two independent I/O supply domains: VDDIO2 (1.08 V to 3.6 V) for up to 14 pins (e.g., OCTOSPI, UCPD), and VDDIO1 (1.62 V to 3.6 V) for the remaining 142 GPIOs - enabling simultaneous interfacing with 1.2-V sensors, 1.8-V memories, and 3.3-V peripherals without level shifters.
STM32U5A9ZJT6Q Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-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, LCD, PWM, SHA, Temp Sensor, TRNG, WDT
- Number of I/O:
- 111
- 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 22x12/14b SAR; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32U5A9ZJT6Q FAQ
1.How can I place an order for STM32U5A9ZJT6Q through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32U5A9ZJT6Q 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 STM32U5A9ZJT6Q reliable?
The price and inventory of STM32U5A9ZJT6Q are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U5A9ZJT6Q is usually 5 days.
3.What payment methods are accepted for STM32U5A9ZJT6Q?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U5A9ZJT6Q transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32U5A9ZJT6Q?
STM32U5A9ZJT6Q orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32U5A9ZJT6Q 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 STM32U5A9ZJT6Q?
For technical support, including STM32U5A9ZJT6Q datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U5A9ZJT6Q requirements.
6.How does Aetrix verify that STM32U5A9ZJT6Q is sourced from the original manufacturer or authorized distributors?
All STM32U5A9ZJT6Q 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 STM32U5A9ZJT6Q meets industry standards.
7.What is the process for return or replacement of STM32U5A9ZJT6Q?
All STM32U5A9ZJT6Q units undergo pre-shipment inspection (PSI). If there is an issue with STM32U5A9ZJT6Q, 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 STM32U5A9ZJT6Q part is unused and in its original packaging.
Return procedure for STM32U5A9ZJT6Q:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32U5A9ZJT6Q Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
