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STMicroelectronics STM32L083RZT6TR
- Part No.:
- STM32L083RZT6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32L083RZT6TR.pdf
- Description:
- IC MCU 32BIT 192KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,764
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Product details
Overview
STM32L083RZT6TR from STMicroelectronics is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller with 192 KB Flash, 20 KB SRAM, 6 KB EEPROM, integrated LCD driver, USB 2.0 (crystal-less), and hardware AES-128 encryption. It operates from 1.65 V to 3.6 V across –40 °C to +125 °C and delivers 0.86 µA Stop mode + RTC with 20-KB RAM retention-ideal for battery-powered industrial sensors and portable medical devices.
For engineers reviewing the STM32L083RZT6TR datasheet, STM32L083RZT6TR pinout, STM32L083RZT6TR application, or STM32L083RZT6TR equivalent, key selection criteria include ultra-low-power mode timing (5 µs wakeup), dual 12-bit DACs with output buffers, 12-bit ADC at 1.14 Msps, USB crystal-less operation, and 78 I/Os with 5V tolerance-critical for energy-constrained embedded designs requiring mixed-signal integration and secure firmware updates.
Technical Context
The STM32L083RZT6TR integrates a Cortex-M0+ core with MPU, supporting dynamic voltage scaling and clock gating to achieve sub-1 µA Stop mode with RTC and RAM retention. Its clock system includes factory-trimmed 16 MHz HSI, self-calibrating 48 MHz HSI48 for USB, 32 kHz LSE for RTC, and PLL for CPU frequency up to 32 MHz.
Analog subsystem comprises two 12-bit DACs (buffered, down to 1.8 V), a 12-bit ADC (1.14 Msps, 16 channels, down to 1.65 V), two ultra-low-power comparators (window mode + wake-up), and a 24-channel capacitive sensing controller-enabling high-precision sensor interface and touch UI in single-chip solutions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+ with MPU, 32 MHz max, 0.95 DMIPS/MHz-enables deterministic real-time control with memory protection. |
| Memory | 192 KB Flash (ECC, read-while-write), 20 KB SRAM, 6 KB EEPROM (ECC)-supports robust firmware storage and data logging without external memory. |
| Power Modes | 0.86 µA Stop + RTC + 20 KB RAM retention; 0.29 µA Standby with 3 wakeup pins-extends battery life in intermittent-sensing applications. |
| ADC/DAC | 12-bit ADC @ 1.14 Msps (16 ch); 2× 12-bit buffered DACs (down to 1.8 V)-enables simultaneous analog acquisition and precision waveform generation. |
| USB | USB 2.0 full-speed, crystal-less, with battery charging detection and LPM-eliminates external crystal, reduces BOM cost and board space. |
| Security | Hardware AES-128 engine + True RNG + firewall protection-provides authenticated firmware updates and secure sensor data transmission. |
| I/O | 78 GPIOs (5V tolerant), 24 capacitive sensing channels-supports direct connection to legacy peripherals and multi-touch interfaces. |
Pinout & Package
LQFP100 (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant, ECOPACK2 certified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Power supply / Ground | Dual power domains support independent analog/digital regulation; VDDA must be ≥ VDD for ADC/DAC accuracy. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE7, PH0–PH1 | General-purpose I/O | 78 pins configurable as GPIO, alternate functions (USART, SPI, I2C, etc.), or capacitive sensing inputs; 5V-tolerant on most ports. |
| PA1, PA2, PA3, PA4, PA5, PA6, PA7, PB0, PB1, PB2, PB10, PB11, PC0–PC7, PD0–PD7, PH0, PH1 | ADC input channels | 16-channel 12-bit ADC supports single-ended and differential sampling down to 1.65 V supply. |
| PA4, PA5 | DAC outputs | Two buffered 12-bit DAC outputs with rail-to-rail capability down to 1.8 V-suitable for sensor biasing or analog actuator control. |
| PA11, PA12 | USB D+/D− | Crystal-less USB 2.0 full-speed interface with internal transceiver and battery charging detection logic. |
| PC13–PC15 | RTC/LSE | 32.768 kHz crystal oscillator pins for RTC calendar and alarm functions with ±20 ppm stability over temperature. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power modes | 0.29 µA Standby (3 wakeup pins), 0.43 µA Stop (16 wakeup lines), 0.86 µA Stop + RTC + 20 KB RAM retention-enables >10-year coin-cell operation in metering. |
| LCD controller | Drives up to 4×52 or 8×48 segments with on-board step-up converter and contrast adjustment-replaces external LCD bias ICs. |
| Hardware crypto | AES-128 engine + True RNG + firewall-accelerates secure boot and OTA updates without CPU overhead or software vulnerability exposure. |
| Capacitive sensing | 24-channel TSC supporting touchkey, linear, and rotary sensors with built-in noise immunity-enables robust HMI in noisy industrial environments. |
| Pre-programmed bootloader | Factory-loaded USB and USART bootloader-permits field firmware updates without debug probe or external programmer. |
Applications
| Smart Utility Meter | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered electricity/water/gas meter with hourly pulse logging, tamper detection, and RF communication. IC Role / Device Role / Timing Role: Main MCU handling metrology ADC sampling, RTC-based time-stamping, LCD display, and secure firmware updates via USB or UART. Use Value: 0.86 µA Stop + RTC enables 15+ year battery life; hardware AES ensures regulatory compliance for encrypted consumption data. | Use Scenario: Handheld ECG or SpO₂ monitor with analog front-end, OLED/LCD display, and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Signal acquisition MCU managing dual-channel 12-bit ADC, dual DAC for calibration reference, and low-power USB for clinical data export. Use Value: 12-bit ADC at 1.14 Msps captures high-fidelity biosignals; 5 µs wakeup from Flash ensures responsive button interaction without latency. |
| Industrial Sensor Node | Secure IoT Edge Controller |
Use Scenario: Wireless vibration/temperature/humidity node deployed in factory machinery with 10-year maintenance cycles. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog (thermistor, RTD), capacitive (touch), and digital (I2C temp/humid) inputs; manages LoRaWAN stack timing. Use Value: 24-channel TSC enables multi-zone panel control; 78 5V-tolerant I/Os simplify interfacing with legacy 5V industrial sensors. | Use Scenario: Edge gateway for smart building HVAC control with encrypted local policy enforcement and remote firmware validation. IC Role / Device Role / Timing Role: Secure execution environment hosting trusted firmware, validating signed configuration updates, and isolating critical control loops via MPU. Use Value: Firewall protection prevents unauthorized memory access; True RNG seeds TLS handshakes for secure cloud telemetry transport. |
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 |
|---|---|---|---|
| STM32L073RZT6 | 192 KB Flash, 20 KB SRAM, but only 1.5 KB EEPROM; no LCD controller; same core and USB capability. | Lacks integrated LCD driver and reduced EEPROM-unsuitable for display-integrated meters or long-term parameter storage. | Select when display is external and EEPROM demand < 2 KB; saves cost where LCD/TSC not required. |
| STM32L433RCT6 | Cortex-M4F core, 256 KB Flash, 64 KB SRAM, no EEPROM; higher performance (80 MHz), FPU, but 1.1 µA Stop mode (no RTC+RAM retention). | Higher compute throughput for DSP tasks, but lacks ultra-low-power RTC retention and EEPROM-requires external non-volatile memory. | Select for sensor fusion algorithms needing floating-point math; avoid if >10-year battery life with RTC logging is mandatory. |
Compared with STM32L073RZT6, the STM32L083RZT6TR adds LCD driver and 6 KB EEPROM for self-contained metering UI and calibration storage; versus STM32L433RCT6, it trades CPU performance for guaranteed sub-1 µA RTC-retained operation-making it optimal for decade-long deployments where display and secure non-volatile storage are essential.
Availability
STM32L083RZT6TR is available at Aetrix Electronics and suitable for smart utility meters, portable medical monitors, industrial sensor nodes, and secure IoT edge controllers requiring stable component supply across extended product lifecycles.
Supply support for STM32L083RZT6TR 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, sensors, and analog components for industrial, automotive, and consumer markets.
The STM32L0 series targets ultra-low-power embedded applications demanding multi-year battery life, secure firmware execution, and rich analog integration-optimized for metering, wearables, and wireless sensor endpoints.
FAQ
What is the maximum operating temperature range for STM32L083RZT6TR?
The STM32L083RZT6TR is rated for operation from –40 °C to +125 °C ambient temperature, validated per JEDEC JESD22-A108. This extended range supports deployment in harsh industrial environments such as motor control cabinets, outdoor utility enclosures, and automotive under-hood sensor modules without derating.
Does STM32L083RZT6TR support crystal-less USB operation?
Yes-STM32L083RZT6TR integrates a self-calibrating 48 MHz HSI48 RC oscillator qualified for USB 2.0 full-speed (12 Mbps) operation without external crystal. It includes built-in battery charging detection (BCD) and link power management (LPM), enabling compact, low-BOM USB device implementations.
How much EEPROM is available, and is it ECC-protected?
The device provides 6 KB of data EEPROM with built-in Error Correction Code (ECC) protection, ensuring bit-error resilience during write/erase cycles. This memory is independently managed from Flash, supports byte/word programming, and retains data for 40k cycles minimum with 20-year data retention at 85 °C.
Can the LCD controller drive segment-based displays without external components?
Yes-the integrated LCD controller supports up to 4×52 or 8×48 segments with programmable contrast, blinking mode, and on-board step-up converter. It eliminates need for external charge pumps or bias generators, reducing bill-of-materials and PCB area in metering and portable HMI designs.
STM32L083RZT6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32L0
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 192KB (192K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 6K x 8
- RAM Size:
- 20K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 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:
STM32L083RZT6TR FAQ
1.How can I place an order for STM32L083RZT6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L083RZT6TR 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 STM32L083RZT6TR reliable?
The price and inventory of STM32L083RZT6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L083RZT6TR is usually 5 days.
3.What payment methods are accepted for STM32L083RZT6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L083RZT6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L083RZT6TR?
STM32L083RZT6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L083RZT6TR 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 STM32L083RZT6TR?
For technical support, including STM32L083RZT6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L083RZT6TR requirements.
6.How does Aetrix verify that STM32L083RZT6TR is sourced from the original manufacturer or authorized distributors?
All STM32L083RZT6TR 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 STM32L083RZT6TR meets industry standards.
7.What is the process for return or replacement of STM32L083RZT6TR?
All STM32L083RZT6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32L083RZT6TR, 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 STM32L083RZT6TR part is unused and in its original packaging.
Return procedure for STM32L083RZT6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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