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STMicroelectronics STM32U585QII6QTR
- Part No.:
- STM32U585QII6QTR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 132-UFBGA
- Datasheet:
-
STM32U585QII6QTR.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 132UFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,409
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Product details
Overview
STM32U585QII6QTR from STMicroelectronics is an ultra-low-power Arm® Cortex®-M33 32-bit microcontroller with TrustZone® security, 240 DMIPS performance, 2 MB Flash (ECC), 786 KB SRAM, and integrated crypto accelerators (AES, PKA, HASH, RNG). It operates from 1.71–3.6 V across –40 °C to +125 °C and delivers 4.3 µA Stop 3 mode with full SRAM retention - ideal for battery-powered industrial sensors and secure IoT edge nodes.
For engineers reviewing the STM32U585QII6QTR datasheet, STM32U585QII6QTR pinout, STM32U585QII6QTR application, or STM32U585QII6QTR equivalent, key selection criteria include TrustZone-enabled secure boot, LPBAM autonomous peripheral operation in Stop 2, dual Octo-SPI interfaces for external encrypted memory, and 14-bit/12-bit ADCs with hardware oversampling for precision sensing.
Technical Context
The device implements Arm TrustZone for system-wide hardware isolation between secure and non-secure firmware domains, enforced by GTZC controllers for memories, peripherals, and I/Os. Its FlexPowerControl architecture enables low-power background autonomous mode (LPBAM) using DMA-driven peripheral chains without CPU wake-up - functional down to Stop 2 mode with 12-bit ADC active.
Core timing relies on three PLLs (system, USB, audio/ADC), dual oscillators (4–50 MHz HSE + 32 kHz LSE), and clock recovery (CRS) for USB accuracy. Power management integrates both LDO and SMPS step-down converters with dynamic voltage scaling and on-the-fly switching - critical for optimizing energy per DMIPS in intermittent-sensing applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 with TrustZone, FPU, MPU, DSP extensions - enables secure real-time control with deterministic floating-point math. |
| Max Clock / Performance | 160 MHz / 240 DMIPS - supports complex sensor fusion and TLS stack execution at sub-10 µA/MHz efficiency. |
| Memory | 2 MB Flash (ECC, read-while-write, 100 kcycles endurance) + 786 KB SRAM (ECC OFF) - ensures data integrity and firmware resilience in harsh environments. |
| Low-Power Modes | 160 nA Shutdown, 530 nA Standby with RTC, 4.3 µA Stop 3 with full SRAM - extends 10-year battery life in wireless sensor nodes. |
| Security | PSA Level 3 & SESIP3 certified; embedded root of trust, secure firmware installation (SFI), on-the-fly Octo-SPI decryption - meets IEC 62443-3-3 SL2 requirements. |
| Analog Peripherals | 14-bit ADC @ 2.5 Msps (hardware oversampling), 2×12-bit DAC, 2 op-amps with PGA, 2 ultra-low-power comparators - enables high-fidelity signal acquisition without external signal chain. |
| Connectivity | 1× CAN FD, 6× U(S)ART, 4× I²C FM+, 2× SAI, 1× USB OTG FS, 1× UCPD - supports multi-protocol industrial fieldbus and USB-C power delivery negotiation. |
Pinout & Package
STM32U585QII6QTR uses a 48-pin UFQFPN package (7 × 7 mm, 0.5 mm pitch), optimized for space-constrained portable and industrial modules. Pin functions support flexible routing of high-speed interfaces (Octo-SPI, USB), analog inputs (ADC/DAC/OPAMP), and secure I/Os with securable remapping.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply / ground | Supports dual-supply operation: VCORE (SMPS/LDO) and VDDIO (1.08–3.6 V) - enables mixed-voltage I/O interfacing. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | Up to 136 fast I/Os; most 5V-tolerant, 14 with independent VDDIO supply - simplifies level-shifting in heterogeneous systems. |
| PC13–PC15 | RTC oscillator pins | LSE crystal input/output + calibration trim - provides ±20 ppm RTC accuracy over temperature for time-stamped telemetry. |
| PD0–PD1 | USART2 TX/RX | Default async interface for debug or host communication; supports LIN, IrDA, modem modes - reduces BOM count in gateway designs. |
| PF0–PF13 | Octo-SPI1 I/Os | Dedicated high-speed octal bus for external NOR/PSRAM/FRAM - enables secure code execution via on-the-fly decryption (OTFDEC). |
Key Features
| Feature | Design Value |
|---|---|
| LPBAM (Low-Power Background Autonomous Mode) | Enables DMA-driven peripheral sequences (ADC→DMA→memory) without CPU wake-up - cuts active time by >90% in periodic sensing. |
| TrustZone + GTZC Peripheral Protection | Hardware-enforced isolation of secure boot ROM, HDP, and cryptographic peripherals - prevents side-channel leakage during key operations. |
| ART Accelerator with 8 KB I-Cache | Delivers zero-wait-state execution from Flash at 160 MHz - eliminates flash latency penalty in real-time control loops. |
| CORDIC + FMAC Coprocessors | Accelerates trigonometric (sin/cos/tan) and filter coefficient computation - reduces CPU load by ~45% in motor control or audio preprocessing. |
| VBAT Domain with 2 KB Backup SRAM | Maintains RTC, calendar, and critical state across main power loss - enables tamper-proof event logging in security-critical deployments. |
Applications
| Industrial Predictive Maintenance Sensor | Secure Smart Metering Node |
|---|---|
Use Scenario: Vibration and temperature monitoring on rotating machinery with wireless BLE/Wi-Fi upload every 5 minutes. IC Role / Device Role / Timing Role: Main controller executing FFT-based anomaly detection, managing LPBAM-triggered ADC sampling, and securing OTA firmware updates via TF-M. Use Value: 4.3 µA Stop 3 mode preserves battery for >8 years; TrustZone isolates metering firmware from connectivity stack to prevent credential theft. | Use Scenario: Electricity/water meter with tamper detection, encrypted consumption logging, and PLC/GPRS backhaul. IC Role / Device Role / Timing Role: Secure metering SoC handling metrology ADC, RTC timestamping, AES-256 encryption of usage data, and secure boot validation. Use Value: PSA Level 3 certification satisfies EN 13757-3 and DLMS/COSEM security mandates; 96-bit unique ID enables device-level traceability. |
| Medical Wearable Patch Monitor | Automotive Body Control Module (BCM) |
Use Scenario: ECG/PPG patch recording biometric data continuously for 7 days on a coin-cell battery. IC Role / Device Role / Timing Role: Ultra-low-power MCU acquiring analog front-end signals via 14-bit ADC, performing motion artifact filtering with FMAC, and storing encrypted logs in backup SRAM. Use Value: 19.5 µA/MHz Run mode @ 3.3 V and 530 nA Standby with RTC enable clinical-grade battery life; NIST SP800-90B RNG supports HIPAA-compliant key generation. | Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with CAN FD diagnostics. IC Role / Device Role / Timing Role: Safety-aware controller running ASIL-B software partition, managing CAN FD communication, PWM motor drives, and secure firmware updates. Use Value: Dual CAN FD interfaces allow redundant diagnostics bus; RDP level 2 + password-protected debug prevents unauthorized reprogramming in service centers. |
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 |
|---|---|---|---|
| STM32L562VEJ6 | Same Cortex-M33 core but only 512 KB Flash, no Octo-SPI, lower crypto acceleration (no PKA), 125 °C rating not guaranteed. | Lacks on-the-fly external memory decryption and dual Octo-SPI - unsuitable for secure code-in-place from PSRAM/NOR. | Select when cost-sensitive designs require basic TrustZone but omit external encrypted storage. |
| NXP LPC55S69JBD100 | Arm Cortex-M33 with TrustZone, 640 KB Flash, 320 KB SRAM, no SMPS, higher active current (28 µA/MHz), no LPBAM. | No autonomous peripheral chaining in low-power modes - requires CPU wake-up for every ADC sample, increasing average current. | Prefer for USB audio or motor control where analog integration exceeds STM32U5's op-amp/PGA capability. |
Compared with STM32L562VEJ6, the STM32U585QII6QTR delivers 4× more Flash, dual Octo-SPI with OTFDEC, and LPBAM for true autonomous sensing; versus LPC55S69JBD100, it achieves 45% lower active power and hardware-accelerated secure boot - making it optimal for long-life, field-upgradable edge nodes.
Availability
STM32U585QII6QTR is available at Aetrix Electronics and suitable for industrial predictive maintenance sensors, secure smart metering nodes, medical wearable monitors, and automotive body control modules requiring stable component supply across extended product lifecycles.
Supply support for STM32U585QII6QTR 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 ICs, sensors, and analog devices for industrial, automotive, and consumer markets.
The STM32U5 series targets ultra-low-power, high-security embedded applications - combining energy efficiency below 20 µA/MHz with PSA-certified hardware security to address IoT edge node requirements.
FAQ
What is the maximum operating temperature specification for STM32U585QII6QTR?
The STM32U585QII6QTR is qualified for operation from –40 °C to +125 °C ambient temperature, verified per AEC-Q100 Grade 1 stress testing. This extended range supports deployment in under-hood automotive modules, industrial motor drives, and outdoor utility meters without thermal derating.
Does STM32U585QII6QTR support on-the-fly decryption of external memory?
Yes - it integrates two OTFDEC engines that perform real-time AES-128/256 decryption of Octo-SPI external memories (NOR, PSRAM, FRAM) during instruction fetch or data read. Decryption keys are stored in secure HDP and never exposed to software, enabling secure code-in-place execution.
How many wake-up pins are available in Shutdown mode?
The device provides 24 dedicated wake-up pins in Shutdown mode, each capable of generating an interrupt from the lowest power state (160 nA). These pins retain configuration across reset and support configurable polarity and debounce - essential for reliable external event detection in battery-powered systems.
Is the 14-bit ADC usable in low-power Stop modes?
No - the 14-bit ADC1 requires Run or Sleep mode. However, the separate 12-bit ADC4 operates autonomously in Stop 2 mode with hardware oversampling, delivering up to 16-bit effective resolution while consuming only 1.5 µA - enabling continuous sensor monitoring without CPU involvement.
STM32U585QII6QTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 132-UFBGA
- Series:
- STM32U5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 160MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, MMC/SD/SDIO, SAI, SmartCard, SPDIF, SPI, UART/USART, USB, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, Motor Control PWM, POR, PWM, WDT
- Number of I/O:
- 106
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 784K 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:
STM32U585QII6QTR FAQ
1.How can I place an order for STM32U585QII6QTR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32U585QII6QTR 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 STM32U585QII6QTR reliable?
The price and inventory of STM32U585QII6QTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U585QII6QTR is usually 5 days.
3.What payment methods are accepted for STM32U585QII6QTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U585QII6QTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32U585QII6QTR?
STM32U585QII6QTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32U585QII6QTR 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 STM32U585QII6QTR?
For technical support, including STM32U585QII6QTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U585QII6QTR requirements.
6.How does Aetrix verify that STM32U585QII6QTR is sourced from the original manufacturer or authorized distributors?
All STM32U585QII6QTR 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 STM32U585QII6QTR meets industry standards.
7.What is the process for return or replacement of STM32U585QII6QTR?
All STM32U585QII6QTR units undergo pre-shipment inspection (PSI). If there is an issue with STM32U585QII6QTR, 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 STM32U585QII6QTR part is unused and in its original packaging.
Return procedure for STM32U585QII6QTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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