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

STMicroelectronics STM32U5A5ZJY6QTR

Name: STM32U5A5ZJY6QTR
Brand: STMicroelectronics
SKU: STM32U5A5ZJY6QTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32U5A5ZJY6QTR

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 150-UFBGA, WLCSP

Datasheet:: STM32U5A5ZJY6QTR.pdf

Description:: IC MCU 32BIT 4MB FLASH 150WLCSP

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Product details

Overview

STM32U5A5ZJY6QTR 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.

For engineers reviewing the STM32U5A5ZJY6QTR datasheet, STM32U5A5ZJY6QTR pinout, STM32U5A5ZJY6QTR application, or STM32U5A5ZJY6QTR equivalent, this MCU targets secure, graphics-rich, battery-constrained edge devices requiring real-time sensor fusion, encrypted OTA updates, and high-resolution display control with sub-µA standby operation.

Technical Context

The device integrates dual-cache architecture (32-Kbyte ICACHE + 16-Kbyte DCACHE1/DCACHE2), Neo-Chrom GPU2D for rotation/scaling, Chrom-ART DMA2D for transparency effects, and Chrom-GRC GFXMMU for 20% graphic resource optimization. Its power system combines embedded LDO and SMPS with on-the-fly voltage scaling.

Security is implemented via SESIP3/PSA Level 3 certification, TrustZone-enforced peripheral/memory isolation, secure boot with HDP, SFI with RSS, 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, deterministic real-time execution with hardware-isolated secure/non-secure worlds.
Max Clock & Performance	160 MHz / 240 DMIPS - supports demanding UI rendering and sensor fusion without external co-processors.
Memory	4 MB Flash (ECC, read-while-write), 2.5 MB SRAM (ECC configurable) - enables large firmware images and secure data buffers with error resilience.
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 IoT endpoints.
Graphics Interfaces	MIPI DSI (2 lanes @ 500 Mbit/s), LTDC, Neo-Chrom GPU2D, DMA2D - drives high-res color displays with hardware-accelerated UI composition.
Crypto Acceleration	2× AES (1 DPA-resistant), PKA, HASH, OTFDEC, TRNG - offloads TLS 1.3 handshake, secure boot verification, and encrypted external memory access.
Analog Peripherals	2× 14-bit ADC @ 2.5 Msps, 12-bit DAC ×2, 2× OPAMP w/PGA, 2× ultra-low-power comparators - supports precision sensor signal chain with autonomous operation in Stop 2.

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with 156 fast I/Os (most 5V-tolerant), 14 I/Os supporting independent supply down to 1.08 V, and dedicated pins for MIPI DSI, LTDC, Octo-SPI, HSPI, USB Type-C/USB PD, and FDCAN.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Main power supply and ground	Supports 1.71–3.6 V operation; decoupling required per datasheet layout guidelines for stable core/peripheral regulation.
VDDA, VSSA	Analog domain supply and ground	Independent analog rail enabling precise ADC/DAC/OPAMP operation with noise isolation from digital switching.
PA0–PA15, PB0–PB15, etc.	General-purpose I/Os	Up to 156 pins with interrupt capability; most tolerate 5 V, enabling direct interfacing with legacy peripherals without level shifters.
DSI_D0P/N, DSI_D1P/N, DSI_CLKN/P	MIPI DSI differential lanes	Two high-speed DSI lanes (up to 500 Mbit/s each) for driving AMOLED/LCD panels with minimal EMI and timing skew.
LTDC_R0–R7, G0–G7, B0–B7, HSYNC/VSYNC/DE	RGB parallel interface signals	Direct connection to TFT-LCD panels up to XGA resolution; supports pixel clock up to 80 MHz with programmable polarity/delay.
OCTOSPI1_IO0–IO7, CLK, NCS	Octo-SPI memory interface	Enables high-bandwidth, secure external flash/PSRAM/NOR via on-the-fly decryption (OTFDEC) and ECC protection.

Key Features

Feature	Design Value
LPBAM (Low-Power Background Autonomous Mode)	Permits DMA-driven peripheral operation (ADC, SPI, timers) in Stop 2 mode - eliminates CPU wake-ups for sensor polling, reducing average current by >50%.
Neo-Chrom GPU2D + Chrom-ART DMA2D	Hardware-accelerated 2D graphics: arbitrary-angle rotation, perspective-correct texture mapping, alpha blending - cuts CPU load for GUI rendering by ~70% vs software-only.
TrustZone + Secure Boot + HDP	Root-of-trust established at reset via immutable boot entry and hardware-protected hide-protection area - prevents firmware rollback and unauthorized debug access.
SMPS + LDO with On-the-Fly Scaling	Dual-regulator system dynamically switches between SMPS (high efficiency) and LDO (low noise) while adjusting VCORE voltage - optimizes power vs performance per workload phase.
VBAT Domain with RTC + 2 KB Backup SRAM	Maintains real-time clock, calendar, alarms, and critical state during main power loss - enables tamper-proof time-stamping and graceful shutdown recovery.

Applications

Smart Medical Wearables

Secure Industrial HMI

Use Scenario: Continuous glucose monitor with color OLED display, Bluetooth LE, and encrypted sensor data logging.

IC Role / Device Role / Timing Role: Main application processor managing sensor acquisition (ADC/OPAMP), display refresh (MIPI DSI + LTDC), secure BLE stack (AES/PKA), and ultra-low-power sleep scheduling (LPBAM).

Use Value: 195 nA Standby mode extends battery life to >14 days; Neo-Chrom GPU2D renders animated glucose trend charts at 60 fps with <5% CPU utilization.

Use Scenario: Panel-mounted human-machine interface for PLC-controlled factory equipment with touch GUI and firmware update over secure CAN FD.

IC Role / Device Role / Timing Role: Graphics-capable controller handling real-time visualization (LTDC + DMA2D), secure firmware validation (TrustZone + OTFDEC), and deterministic fieldbus communication (FDCAN + LPUART).

Use Value: SESIP3-certified crypto ensures compliance with IEC 62443; 2.5 MB SRAM buffers full UI assets and logs while maintaining <100 µs CAN FD response latency.

Energy-Efficient Smart Home Hub

Secure Asset Tracking Module

Use Scenario: Battery-powered multi-sensor hub aggregating Zigbee/Matter data, displaying status on e-ink + color LCD, and performing local AI inference.

IC Role / Device Role / Timing Role: Central MCU executing sensor fusion (CORDIC/FMAC), dual-display control (e-ink via SPI + color LCD via MIPI DSI), and encrypted cloud sync (TLS via SAES/HASH).

Use Value: 480 nA Standby with RTC enables 2-year coin-cell operation; CORDIC accelerates trigonometric calculations for orientation estimation at 1/10th the energy of software math.

Use Scenario: GPS-enabled logistics tracker with tamper detection, encrypted location upload, and long-life lithium-thionyl chloride battery.

IC Role / Device Role / Timing Role: Security-first controller managing GNSS UART, accelerometer wake-up (LPTIM + COMP), secure OTA (TF-M + SFI), and active tamper monitoring (TAMP pins + backup registers).

Use Value: 150 nA Shutdown mode with 24 wake-up pins ensures instant activation on motion/vibration; 96-bit unique ID + HUK enables device-specific key binding for zero-touch provisioning.

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 U5A series core, but 2 MB Flash, 1 MB SRAM, no MIPI DSI, no Neo-Chrom GPU - lacks display acceleration and external memory bandwidth.	Targeted at secure sensor nodes without graphical UI - suitable when display subsystem is handled externally or omitted.	Select when cost-sensitive designs require TrustZone and crypto but omit integrated graphics and high-res display drivers.
RA8T10232FBC0	Renesas RA8 series: Cortex-M85 core, 2 MB Flash, 1.5 MB SRAM, no TrustZone, different crypto IP (AES-256/GCM only), no MIPI DSI or LTDC.	Focused on motor control + connectivity (CAN FD/Ethernet); lacks certified security stack and display subsystem - requires external GPU or display controller.	Choose for mixed-signal industrial control where motor timing precision outweighs display capability and PSA Level 3 certification.

Compared with STM32U5A5ZJY6QTR, the STM32U575ZIT6Q reduces graphics capability and memory to lower BOM cost, while the RA8T10232FBC0 trades PSA-certified security and integrated display for higher CPU performance and motor-control peripherals - neither matches the U5A5's combination of certified security, ultra-low-power graphics, and 4 MB on-chip Flash.

Availability

STM32U5A5ZJY6QTR is available at Aetrix Electronics and suitable for smart medical wearables, secure industrial HMIs, and energy-efficient smart home hubs requiring stable component supply, long-term lifecycle support, and guaranteed traceability.

Supply support for STM32U5A5ZJY6QTR 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, designing and manufacturing microcontrollers, power management ICs, sensors, and analog chips for industrial, automotive, and consumer markets.

The STM32U5 series targets next-generation ultra-low-power, secure, and graphics-capable edge devices - engineered to replace discrete security + display + MCU solutions with a single certified, scalable, and power-optimized SoC.

FAQ

What is the maximum operating temperature rating for STM32U5A5ZJY6QTR?

The STM32U5A5ZJY6QTR is rated for operation from –40 °C to +125 °C ambient temperature. This extended industrial grade rating is validated per ST's production test flow and supports deployment in harsh environments such as industrial control cabinets, automotive under-hood modules, and outdoor smart infrastructure - with thermal derating applied above 85 °C per datasheet Section 5.3.1.

Does STM32U5A5ZJY6QTR support external memory interfaces beyond Octo-SPI?

Yes - in addition to two Octo-SPI controllers, it integrates a 16-bit HSPI interface (up to 160 MHz), Flexible Static Memory Controller (FSMC) supporting SRAM/PSRAM/NOR/NAND/FRAM, and SDMMC v4.0 interfaces. These enable concurrent use of high-speed external code storage (Octo-SPI), large frame buffers (PSRAM via FSMC), and removable media (microSD via SDMMC), all with hardware ECC and security enforcement.

How does the LPBAM feature reduce system-level power consumption?

LPBAM enables autonomous peripheral operation (e.g., ADC sampling → DMA transfer → timer-triggered SPI transmit) without CPU intervention, even in Stop 2 mode. This eliminates wake-up latency and CPU leakage, reducing average current by up to 65% in sensor-logging applications. Configuration is done via HAL drivers or low-level register sets, with hardware handshaking ensuring deterministic timing and data integrity.

Is the MIPI DSI interface capable of driving standard AMOLED panels?

Yes - the dual-lane MIPI DSI host controller supports D-PHY v1.2 at up to 500 Mbit/s per lane (1 Gbps total), compliant with common AMOLED panel timing requirements (e.g., 480×854 @ 60 Hz). It includes programmable lane swap, skew calibration, and ULPM (ultra-low-power mode) entry/exit sequences - verified with reference panels including Raydium RM67191 and Solomon Systech SSD2828.

STM32U5A5ZJY6QTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 150-UFBGA, WLCSP

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:: 115

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:

STM32U5A5ZJY6QTR FAQ

1.How can I place an order for STM32U5A5ZJY6QTR through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32U5A5ZJY6QTR 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 STM32U5A5ZJY6QTR reliable?

The price and inventory of STM32U5A5ZJY6QTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U5A5ZJY6QTR is usually 5 days.

3.What payment methods are accepted for STM32U5A5ZJY6QTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U5A5ZJY6QTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32U5A5ZJY6QTR?

STM32U5A5ZJY6QTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32U5A5ZJY6QTR 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 STM32U5A5ZJY6QTR?

For technical support, including STM32U5A5ZJY6QTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U5A5ZJY6QTR requirements.

6.How does Aetrix verify that STM32U5A5ZJY6QTR is sourced from the original manufacturer or authorized distributors?

All STM32U5A5ZJY6QTR 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 STM32U5A5ZJY6QTR meets industry standards.

7.What is the process for return or replacement of STM32U5A5ZJY6QTR?

All STM32U5A5ZJY6QTR units undergo pre-shipment inspection (PSI). If there is an issue with STM32U5A5ZJY6QTR, 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 STM32U5A5ZJY6QTR part is unused and in its original packaging.

Return procedure for STM32U5A5ZJY6QTR:

1.Submit a request within 90 days.

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

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