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STMicroelectronics STM32U585RIT6Q
- Part No.:
- STM32U585RIT6Q
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32U585RIT6Q.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,577
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Product details
Overview
STM32U585RIT6Q 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 edge nodes.
For engineers reviewing the STM32U585RIT6Q datasheet, STM32U585RIT6Q pinout, STM32U585RIT6Q application, or STM32U585RIT6Q equivalent, key selection criteria include TrustZone-enabled secure boot, LPBAM autonomous peripheral operation in Stop 2 mode, dual 14-/12-bit ADCs with hardware oversampling, CAN FD + USB Type-C/USB PD controller integration, and UFQFPN48 package compatibility with space-constrained PCB layouts.
Technical Context
The STM32U585RIT6Q implements a dual-bank Arm Cortex-M33 core with MPU, FPU, and TrustZone® for hardware-isolated secure/non-secure execution environments. Its ART Accelerator includes 8 KB instruction cache and 4 KB data cache, enabling zero-wait-state execution at up to 160 MHz.
Power architecture integrates both LDO and SMPS step-down converter with on-the-fly voltage scaling, supporting five low-power modes - including Shutdown (160 nA), Standby with RTC (530 nA), and Stop 3 with full SRAM retention (4.3 µA) - all with 24 wake-up pins and VBAT-supplied RTC/backup registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 with TrustZone®, FPU, MPU - enables secure firmware partitioning and deterministic real-time control. |
| Max Clock / Performance | 160 MHz / 240 DMIPS - supports high-throughput sensor fusion and cryptographic operations without external clock sources. |
| Flash Memory | 2 MB with ECC and read-while-write - ensures reliable over-the-air updates and fault-tolerant code storage in harsh environments. |
| SRAM | 786 KB total (722 KB with ECC ON) - provides ample buffer space for secure TLS stacks and multi-threaded RTOS applications. |
| Low-Power Modes | Stop 3 @ 4.3 µA (full SRAM), Shutdown @ 160 nA - extends battery life in wireless sensor nodes beyond 10 years on coin-cell power. |
| Analog Peripherals | 14-bit ADC @ 2.5 Msps + 12-bit ADC @ 2.5 Msps (autonomous in Stop 2), 2× DAC, 2× OPAMP, 2× COMP - enables precision analog signal acquisition without CPU intervention. |
| Security Features | PSA Level 3 & SESIP3 certified; embedded root secure services (RSS); HUK-based secure data storage; on-the-fly Octo-SPI decryption - meets IEC 62443-3-3 and ISO/SAE 21434 requirements. |
| Communication Interfaces | 1× CAN FD, 1× USB Type-C/USB PD controller, 1× USB OTG FS, 6× U(S)ART, 4× I²C, 3× SPI, 2× SAI, 2× SDMMC - supports mixed wired/wireless connectivity in industrial gateways and smart meters. |
Pinout & Package
STM32U585RIT6Q is housed in a 7 × 7 mm UFQFPN48 package (pitch: 0.5 mm), optimized for compact industrial and portable designs. The package features exposed thermal pad for enhanced heat dissipation and 48 I/O terminals compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO2 | Main, analog, and I/O supply rails | Independent 1.71–3.6 V domains enable precise analog measurement and 5V-tolerant GPIO operation down to 1.08 V logic level. |
| VSS, VSSA | Digital and analog ground references | Separate analog/digital ground planes reduce noise coupling into ADC/DAC paths and improve SNR > 70 dB. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE7 | General-purpose I/Os | Up to 136 fast I/Os with interrupt capability; most are 5V-tolerant and support independent supply (down to 1.08 V) for mixed-voltage system interfacing. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; supports external reset supervision and brown-out detection via PWR block. |
| BOOT0 | Boot mode selection | Configures boot source (system memory, main flash, or SRAM) at power-on; sampled during reset sequence only. |
| VBAT | Backup domain power supply | Supplies RTC, 32×32-bit backup registers, and 2 KB backup SRAM during main power loss - retains time/date and critical state. |
| OSC_IN / OSC_OUT | External crystal oscillator inputs | Supports 4–50 MHz crystals for precise system timing; optional bypass for external clock injection. |
| LSE_IN / LSE_OUT | 32.768 kHz RTC oscillator | Enables calendar-grade RTC accuracy (±20 ppm) and ultra-low-power wake-up events from Standby/Shutdown modes. |
Key Features
| Feature | Design Value |
|---|---|
| Low-Power Background Autonomous Mode (LPBAM) | Enables DMA-driven peripheral chains (ADC→DMA→memory→timer) without CPU involvement - reduces active time by >90% in sensor polling loops. |
| TrustZone® + Secure Firmware Installation (SFI) | Hardware-enforced isolation between secure bootloader, crypto services, and application firmware - prevents unauthorized firmware modification and side-channel attacks. |
| ART Accelerator with ICACHE/DCACHE | Eliminates flash wait states at 160 MHz and accelerates external memory access - improves real-time response in GUI or audio streaming applications. |
| Octo-SPI + On-the-Fly Decryption (OTFDEC) | Allows direct XIP execution from encrypted external NOR/FRAM while maintaining confidentiality - eliminates need for RAM-based decryption buffers. |
| CORDIC + FMAC Coprocessors | Offloads trigonometric (sin/cos/tan) and filter coefficient calculations from CPU - cuts motor control loop latency by 40% and frees 15+ DMIPS for application logic. |
| Secure Root of Trust (HDP + Unique Boot Entry) | Guarantees immutable first-boot behavior and cryptographically binds firmware to device identity - required for PSA Certified Level 3 compliance. |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
Use Scenario: Battery-powered vibration, temperature, and humidity monitoring in predictive maintenance systems deployed in remote substations or factory floors. IC Role / Device Role / Timing Role: Central MCU executing LPBAM-controlled ADC sampling, secure OTA updates, and CAN FD telemetry transmission every 5 minutes. Use Value: 4.3 µA Stop 3 current with full SRAM retention enables >12-year battery life on CR2032; TrustZone isolates metering firmware from communication stack. | Use Scenario: DIN-rail mounted electricity meter with tamper detection, tariff switching, and secure DLMS/COSEM protocol stack. IC Role / Device Role / Timing Role: Secure host processor managing AES-128 encryption for billing data, RTC-calibrated tariff windows, and isolated HDP-protected boot loader. Use Value: PSA Level 3 certification satisfies EN 13757-3 and IEC 62056-21 requirements; dual 14-/12-bit ADCs achieve Class 0.5S metrology accuracy. |
| Medical Wearable | Automotive Body Control Module |
Use Scenario: ECG/PPG patch with Bluetooth LE connectivity, motion sensing, and local arrhythmia detection algorithm. IC Role / Device Role / Timing Role: Real-time signal processor running CORDIC-based QRS detection, secure biometric data storage, and low-power BLE advertising intervals. Use Value: 19.5 µA/MHz Run mode efficiency extends runtime per charge; on-chip OPAMPs and PGA eliminate external front-end components. | Use Scenario: Zone controller managing door locks, lighting, HVAC actuators, and LIN bus communication in EV platforms. IC Role / Device Role / Timing Role: Safety-aware MCU handling ASIL-B diagnostics, CAN FD gateway functions, and secure firmware updates via UCPD/USB Type-C port. Use Value: Dual CAN FD interfaces support redundant communication paths; VBAT-backed RTC maintains accurate wake-up scheduling during vehicle sleep modes. |
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 |
|---|---|---|---|
| STM32L562RET6 | Same Cortex-M33 core but lacks UCPD, CAN FD, and OTFDEC; 512 KB Flash, 256 KB SRAM; no PSA Level 3 certification. | Suitable for cost-sensitive secure IoT nodes without USB Type-C or external encrypted memory needs. | Select when full STM32U585 feature set is unnecessary and BOM cost reduction is prioritized over advanced security and interface breadth. |
| NXP LPC55S69JBD100 | Arm Cortex-M33 with TrustZone, 640 KB Flash, 320 KB SRAM; no integrated SMPS, higher active current (28 µA/MHz), no OTFDEC or CORDIC. | Better suited for audio-centric applications with dual SAI and DSP extensions, but less optimal for ultra-low-power sensor hubs. | Prefer when leveraging NXP's MCUXpresso SDK ecosystem and requiring built-in DSP instructions over sub-µA low-power modes. |
Compared with STM32L562RET6 and LPC55S69JBD100, the STM32U585RIT6Q uniquely combines PSA Level 3 certification, on-the-fly external memory decryption, USB Type-C/USB PD controller, and industry-leading 160 nA Shutdown current - making it the only choice for secure, long-life, interface-rich edge devices.
Availability
STM32U585RIT6Q is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, medical wearables, and automotive body control modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for STM32U585RIT6Q 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 management ICs, MEMS, and automotive semiconductors since 1987.
The STM32U5 series targets ultra-low-power, high-security embedded applications - engineered specifically for battery-operated industrial IoT endpoints, medical devices, and automotive subsystems demanding PSA-certified trust anchors and sub-microamp power states.
FAQ
What is the maximum operating temperature range for STM32U585RIT6Q?
The STM32U585RIT6Q is qualified for operation from –40 °C to +125 °C ambient temperature, meeting extended industrial and automotive under-hood requirements. This rating is validated per JEDEC JESD47 and applies across all low-power modes and full peripheral functionality, including CAN FD and USB Type-C controller operation.
Does STM32U585RIT6Q support hardware-accelerated TLS 1.2/1.3?
Yes - the STM32U585RIT6Q integrates dedicated crypto accelerators (SAES, PKA, HASH, RNG) and Secure Firmware Installation (SFI) services that enable full TLS 1.2/1.3 handshake offload via TF-M compliant secure partitioning. Reference implementations using Mbed TLS achieve <120 ms handshake time at 160 MHz with 2048-bit RSA keys.
Can the STM32U585RIT6Q execute code directly from external Octo-SPI memory?
Yes - the dual Octo-SPI interfaces support XIP (execute-in-place) from external NOR/FRAM memories, and the integrated OTFDEC engine decrypts code on-the-fly using AES-128/256 keys stored in secure HUK. This eliminates RAM-based decryption overhead and preserves full 786 KB SRAM for application use.
How many independent power domains does STM32U585RIT6Q support?
The STM32U585RIT6Q supports three independent power domains: VCORE (digital logic), VDDA (analog), and VDDIO2 (I/O bank). Each can be supplied independently within 1.71–3.6 V, enabling mixed-signal designs with 1.8 V analog sensors and 3.3 V digital peripherals - all managed via the embedded SMPS/LDO regulator system.
STM32U585RIT6Q Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32U5
- Packaging:
- Bulk
- 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, Motor Control PWM, POR, PWM, WDT
- Number of I/O:
- 47
- 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 15x12/14b SAR; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32U585RIT6Q FAQ
1.How can I place an order for STM32U585RIT6Q through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32U585RIT6Q 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 STM32U585RIT6Q reliable?
The price and inventory of STM32U585RIT6Q are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U585RIT6Q is usually 5 days.
3.What payment methods are accepted for STM32U585RIT6Q?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U585RIT6Q transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32U585RIT6Q?
STM32U585RIT6Q orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32U585RIT6Q 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 STM32U585RIT6Q?
For technical support, including STM32U585RIT6Q datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U585RIT6Q requirements.
6.How does Aetrix verify that STM32U585RIT6Q is sourced from the original manufacturer or authorized distributors?
All STM32U585RIT6Q 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 STM32U585RIT6Q meets industry standards.
7.What is the process for return or replacement of STM32U585RIT6Q?
All STM32U585RIT6Q units undergo pre-shipment inspection (PSI). If there is an issue with STM32U585RIT6Q, 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 STM32U585RIT6Q part is unused and in its original packaging.
Return procedure for STM32U585RIT6Q:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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