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STMicroelectronics STM32L4R5ZIT6
- Part No.:
- STM32L4R5ZIT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32L4R5ZIT6.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:879
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Product details
Overview
STM32L4R5ZIT6 from STMicroelectronics is an ultra-low-power Arm® Cortex®-M4 32-bit MCU with FPU, 120 MHz max frequency, 2 MB Flash, 640 KB SRAM, and integrated MIPI DSI host controller + LCD-TFT controller. It delivers 150 DMIPS and supports external SMPS for 43 µA/MHz active efficiency, targeting battery-powered HMI, portable medical devices, and smart industrial sensors.
For engineers reviewing the STM32L4R5ZIT6 datasheet, STM32L4R5ZIT6 pinout, STM32L4R5ZIT6 application, or STM32L4R5ZIT6 equivalent, key selection criteria include its dual-bank read-while-write Flash, hardware parity-protected SRAM, 125 °C extended temperature rating, and verified support for MIPI DSI displays up to 500 Mbit/s per lane.
Technical Context
This MCU integrates an adaptive real-time accelerator (ART) enabling zero-wait-state execution from Flash at 120 MHz, alongside a dedicated Chrom-ART Accelerator (DMA2D) for 2D graphics composition and Chrom-GRC (GFXMMU) for 20% graphic resource optimization. Its interconnect matrix enables concurrent access to Flash, SRAM, and peripherals without bus contention.
The device features three independent PLLs - one for system clock, one for USB/SDMMC, and one for audio/ADC - plus dual OctoSPI interfaces supporting XIP and memory-mapped execution from external flash. Power management includes Batch Acquisition Mode (BAM) and five low-power modes with sub-µA RTC retention (420 nA Standby+RTC).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max, 150 DMIPS - enables real-time signal processing and floating-point math in portable edge nodes. |
| Memory | 2 MB dual-bank Flash (read-while-write), 640 KB SRAM (64 KB with hardware parity) - supports secure firmware updates and robust data logging. |
| Power Efficiency | 43 µA/MHz in SMPS mode, 420 nA Standby+RTC - extends battery life in always-on sensor hubs and wearable displays. |
| Display Interface | MIPI DSI Host (2 lanes @ 500 Mbit/s each) + LCD-TFT controller - drives high-resolution color TFT panels without external GPU. |
| Analog Peripherals | 12-bit ADC @ 5 Msps (with 16-bit oversampling), 2× DAC, 2× op-amps, 2× comparators - enables precision analog sensing and closed-loop control. |
| Package & Temp | LQFP144 (20 × 20 mm), -40 °C to +125 °C - suitable for industrial-grade PCB assembly and harsh thermal environments. |
| Security | Proprietary code readout protection, 96-bit unique ID, true RNG - meets baseline requirements for firmware integrity and device authentication. |
Pinout & Package
LQFP144 package: 144-pin quad flat pack with 0.5 mm pitch, exposed thermal pad, RoHS-compliant, rated for industrial temperature range (-40 °C to +125 °C).
| 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 voltage. |
| VDDA, VSSA | Analog power and ground | Independent analog domain supply - critical for ADC/DAC accuracy; must be filtered separately from digital rails. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/Os | Up to 136 fast I/Os; most 5 V-tolerant; 14 pins support independent 1.08–3.6 V supply for mixed-voltage interfacing. |
| PC6–PC11 | MIPI DSI lane signals | DSI_CLK, DSI_D0, DSI_D1 - differential pairs routed as controlled-impedance traces (100 Ω) for reliable 500 Mbit/s signaling. |
| PF10–PF15 | LCD-TFT interface | Drive RGB888/TTL parallel display timing (HSYNC, VSYNC, DE, PCLK, DATA[23:0]) - supports up to WXGA resolution. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; compatible with external reset supervisors and pushbutton debouncing circuits. |
Key Features
| Feature | Design Value |
|---|---|
| FlexPowerControl architecture | Enables 33 nA Shutdown mode and 5 µs wakeup from Stop - ideal for intermittent-sensing applications like gas detectors. |
| Chrom-ART Accelerator (DMA2D) | Offloads CPU from bitmap blending, image rotation, and ARGB8888 → RGB565 conversion - reduces HMI rendering latency by >70%. |
| Dual OctoSPI interfaces | Supports XIP from external flash and seamless firmware update via bank-swapping - eliminates boot-time interruption during field upgrades. |
| Hardware crypto acceleration | AES-128/192/256, SHA-256, PKA (RSA/ECC) - accelerates TLS handshake and secure OTA updates without software overhead. |
| Capacitive touch sensing (TSC) | 24-channel hardware touch controller with noise immunity - enables robust touchkey/slider/rotary interfaces without external ICs. |
Applications
| Smart Medical Wearables | Industrial HMI Panels |
|---|---|
Use Scenario: Continuous glucose monitor with color TFT display and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Main application processor handling sensor fusion, display rendering via MIPI DSI, and secure BLE stack execution. Use Value: 43 µA/MHz SMPS efficiency extends single-cell Li-ion runtime beyond 7 days; Chrom-ART enables smooth 60 fps UI animation. | Use Scenario: Panel-mounted PLC operator interface with resistive/capacitive touchscreen and real-time diagnostics. IC Role / Device Role / Timing Role: System-on-chip managing display controller, touch sensing, CAN bus communication, and local data logging. Use Value: Dual-bank Flash allows safe firmware updates while maintaining operational uptime; 125 °C rating ensures reliability in enclosed control cabinets. |
| Portable Test Equipment | Smart Energy Meters |
Use Scenario: Handheld oscilloscope with 2.4-inch TFT display, analog front-end, and USB OTG data export. IC Role / Device Role / Timing Role: Real-time waveform acquisition engine with DMA-driven ADC sampling, FFT computation, and MIPI DSI display output. Use Value: 12-bit ADC @ 5 Msps + hardware oversampling achieves effective 14-bit ENOB; 5 µs wakeup enables instant-on responsiveness. | Use Scenario: DIN-rail mounted electricity meter with LCD-TFT display, tamper detection, and secure metrology data storage. IC Role / Device Role / Timing Role: Metrology co-processor interfacing with isolated sigma-delta ADCs and managing secure FRAM/NOR memory via FSMC. Use Value: DFSDM filters enable precise current/voltage measurement; true RNG and AES engine meet IEC 62056-47 security requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L4R7ZIT6 | Same core, memory, and peripherals but adds cryptographic accelerator (AES-GCM, SHA, PKA) and additional 32 KB SRAM. | Required for TLS 1.2/1.3 endpoint security and public-key cryptography in IoT gateways. | Select when hardware crypto offload and larger SRAM for protocol stacks are mandatory. |
| STM32L4R9ZIJ6 | Same feature set but in UFBGA169 package with enhanced thermal performance (θJA = 25.5 °C/W vs. LQFP144's 35.2 °C/W) and higher 144 MHz max CPU frequency. | Better suited for thermally constrained designs requiring sustained 120+ MHz operation under ambient >85 °C. | Select when board space is limited and thermal headroom is critical for long-term reliability. |
Compared with STM32L4R5ZIT6, the STM32L4R7ZIT6 adds essential crypto acceleration for secure cloud connectivity, while the STM32L4R9ZIJ6 trades package size for superior thermal dissipation and marginally higher clock capability - both retain identical peripheral sets and software compatibility.
Availability
STM32L4R5ZIT6 is available at Aetrix Electronics and suitable for smart medical wearables, industrial HMI panels, and portable test equipment requiring stable component supply across multi-year production cycles.
Supply support for STM32L4R5ZIT6 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, specializing in microcontrollers, power management, and automotive ICs with over 40 years of embedded systems expertise.
The STM32L4 series targets ultra-low-power applications demanding high performance-per-milliwatt, combining energy efficiency with rich graphics, connectivity, and security features for next-generation edge devices.
FAQ
What is the maximum operating temperature for STM32L4R5ZIT6?
The STM32L4R5ZIT6 is qualified for industrial operation from -40 °C to +125 °C ambient temperature. This extended range is validated per JEDEC JESD22-A104 and confirmed in Section 6.3.1 of DS12023 Rev 5, making it suitable for deployment in sealed enclosures or outdoor industrial environments where passive cooling is limited.
Does STM32L4R5ZIT6 support external memory expansion?
Yes - it integrates a Flexible Static Memory Controller (FSMC) supporting SRAM, PSRAM, NOR, NAND, and FRAM, plus two OctoSPI interfaces capable of XIP and memory-mapped execution. The FSMC provides 8-/16-bit data bus width and programmable timing, enabling direct attachment of up to 64 MB of external memory without glue logic.
Can STM32L4R5ZIT6 drive a MIPI DSI display without external level shifters?
Yes - its MIPI DSI Host controller outputs compliant 1.2 V differential signals (DSI_CLK, DSI_D0, DSI_D1) meeting MIPI D-PHY v1.2 specifications. No external level shifters are needed when interfacing with standard DSI receivers; however, proper PCB layout (100 Ω differential impedance, length matching <5 mm) is mandatory per Section 6.3.10 of the datasheet.
Is the 2 MB Flash truly dual-bank and independently erasable?
Yes - the Flash is physically divided into two 1 MB banks (Bank 1 and Bank 2), each supporting independent erase operations (sector/whole-bank). This enables true read-while-write functionality: firmware can execute from one bank while updating the other, a capability verified in RM0351 Reference Manual Section 3.3.3 and used in ST's official X-CUBE-SBSFU secure boot implementation.
STM32L4R5ZIT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- Series:
- STM32L4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 115
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 640K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32L4R5ZIT6 FAQ
1.How can I place an order for STM32L4R5ZIT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L4R5ZIT6 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 STM32L4R5ZIT6 reliable?
The price and inventory of STM32L4R5ZIT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L4R5ZIT6 is usually 5 days.
3.What payment methods are accepted for STM32L4R5ZIT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L4R5ZIT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L4R5ZIT6?
STM32L4R5ZIT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L4R5ZIT6 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 STM32L4R5ZIT6?
For technical support, including STM32L4R5ZIT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L4R5ZIT6 requirements.
6.How does Aetrix verify that STM32L4R5ZIT6 is sourced from the original manufacturer or authorized distributors?
All STM32L4R5ZIT6 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 STM32L4R5ZIT6 meets industry standards.
7.What is the process for return or replacement of STM32L4R5ZIT6?
All STM32L4R5ZIT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32L4R5ZIT6, 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 STM32L4R5ZIT6 part is unused and in its original packaging.
Return procedure for STM32L4R5ZIT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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