My Inquiry
My Account
STMicroelectronics STM32L083RZH6
- Part No.:
- STM32L083RZH6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-TFBGA
- Datasheet:
-
STM32L083RZH6.pdf
- Description:
- IC MCU 32BIT 192KB FLASH 64TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,755
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32L083RZH6 from STMicroelectronics is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller with 192 KB Flash, 20 KB SRAM, and 6 KB EEPROM; features integrated LCD driver, USB 2.0 (crystal-less), dual 12-bit DACs, 12-bit ADC (1.14 Msps), AES-128 encryption, and operates from 1.65 V to 3.6 V across –40 °C to 125 °C - deployed in battery-powered medical sensors and portable industrial HMI.
For engineers reviewing the STM32L083RZH6 datasheet, STM32L083RZH6 pinout, STM32L083RZH6 application, or STM32L083RZH6 equivalent, key selection considerations include ultra-low-power Stop mode current (0.43 µA), 5 µs Flash wakeup time, USB crystal-less operation, LCD segment drive capability (up to 4×52), and hardware AES acceleration for secure firmware updates.
Technical Context
The STM32L083RZH6 implements a single-core Arm Cortex-M0+ with Memory Protection Unit (MPU), supporting dynamic voltage scaling and clock gating across seven low-power modes - including Standby (0.29 µA) and Stop + RTC + 20 KB RAM retention (0.86 µA). Its interconnect matrix enables concurrent peripheral operation without CPU intervention.
It integrates dual independent 12-bit DACs with output buffers (functional down to 1.8 V), a 12-bit ADC with up to 16 channels and 1.14 Msps sampling (down to 1.65 V), two ultra-low-power comparators with window mode and wake-up capability, and a dedicated touch-sensing controller supporting up to 24 capacitive sensing channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32-bit, up to 32 MHz - delivers 0.95 DMIPS/MHz for deterministic real-time control in energy-constrained systems. |
| Flash / EEPROM | 192 KB Flash with ECC & read-while-write; 6 KB data EEPROM with ECC - enables robust firmware storage and nonvolatile parameter retention without external memory. |
| RAM | 20 KB SRAM with hardware parity - supports reliable data buffering and stack operations during extended low-power operation. |
| Power Modes | Standby: 0.29 µA (3 wakeup pins); Stop: 0.43 µA (16 wakeup lines); Stop+RTC+RAM: 0.86 µA - extends battery life in intermittently active devices. |
| Analog Peripherals | 12-bit ADC (1.14 Msps, 16 ch); 2×12-bit DACs w/ buffers; 2×ultra-low-power comparators - enables precision sensor signal chain integration on-chip. |
| USB Interface | USB 2.0 full-speed, crystal-less, with battery charging detection - eliminates external crystal and reduces BOM cost in portable USB peripherals. |
| LCD Driver | Supports up to 4×52 or 8×48 segments with on-board step-up converter and contrast adjustment - drives segmented displays directly without external bias circuitry. |
| Security | AES-128 hardware encryption engine + true RNG + firewall protection - accelerates secure boot, OTA updates, and data confidentiality in connected edge nodes. |
Pinout & Package
LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 84 fast I/Os (78 5V-tolerant), including dedicated LCD segment/common pins, USB D+/D−, VBUS sensing, and multiple wakeup-capable GPIOs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power supply and ground | Supports 1.65–3.6 V operation; decoupling required per datasheet layout guidelines for low-noise analog/digital domains. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE7, PH0–PH1 | General-purpose I/Os | 78 pins 5V-tolerant; configurable as EXTI wakeup sources, timer channels, or analog inputs - critical for flexible sensor/actuator interfacing. |
| PA11/PA12 | USB D+/D− | Dedicated crystal-less USB interface pins; internal transceivers eliminate need for external PHY or oscillator. |
| PC13–PC15 | RTC oscillator inputs | Connect to 32.768 kHz crystal; calibrated RTC with backup register retention enables accurate timekeeping in Stop/Standby modes. |
| VLCD | LCD voltage supply | Output of on-board step-up converter; adjustable contrast via software - simplifies design of low-power segmented displays. |
| NRST | Reset input | Active-low reset with Schmitt trigger; supports external reset button or supervisor IC integration. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power Stop mode | 0.43 µA with 16 wakeup lines - enables long-term sensor monitoring with sub-millisecond response to external events. |
| Crystal-less USB | Internal 48 MHz RC oscillator calibrated via CRS - removes external crystal and matching components, reducing PCB area and cost. |
| Hardware AES-128 | Dedicated encryption engine with DMA support - offloads CPU during secure communication, preserving low-power runtime budget. |
| Integrated LCD driver | Drives up to 208 segments (4×52) with internal charge pump - eliminates external LCD bias generator and simplifies display subsystem design. |
| Capacitive touch controller | 24-channel TSC with built-in acquisition logic - enables touchkey, slider, and rotary implementations without external IC or firmware overhead. |
| True random number generator | Entropy source compliant with NIST SP800-90B - provides cryptographically secure seeds for key generation and challenge-response protocols. |
Applications
| Wearable Health Monitor | Smart Utility Meter |
|---|---|
Use Scenario: Continuous ECG/temperature logging with Bluetooth LE upload during periodic wake-ups. IC Role / Device Role / Timing Role: Main system controller managing analog front-end, LCD display, USB firmware updates, and secure data encryption before transmission. Use Value: 0.43 µA Stop mode and 5 µs Flash wakeup minimize average current draw; integrated AES ensures HIPAA-compliant data handling at rest and in transit. | Use Scenario: Battery-backed electricity meter with tamper detection, LCD display, and optical/IR communication port. IC Role / Device Role / Timing Role: Primary metrology host executing tariff calculation, LCD refresh, RTC-based billing cycles, and secure firmware validation. Use Value: 6 KB EEPROM retains calibration coefficients and billing logs across power loss; LCD driver supports 4×52 segments for multi-language UI without external bias IC. |
| Portable Industrial HMI | Low-Power Environmental Sensor Node |
Use Scenario: Handheld diagnostic tool with tactile buttons, segmented LCD, and USB-C configuration interface. IC Role / Device Role / Timing Role: Real-time UI processor handling touch sensing, display refresh, USB CDC communication, and local data logging. Use Value: 24-channel TSC enables robust touchkey implementation; crystal-less USB allows direct connection to PC for field calibration without additional clock components. | Use Scenario: Solar-powered air quality sensor transmitting CO₂, VOC, and humidity via LoRaWAN every 10 minutes. IC Role / Device Role / Timing Role: Low-duty-cycle data aggregator acquiring from analog sensors, performing ADC averaging, and triggering RF module only on schedule. Use Value: 0.86 µA Stop+RTC+20 KB RAM retention preserves context across sleep intervals; 12-bit ADC achieves ±1.5 LSB INL for high-fidelity gas sensor signal conditioning. |
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 USB interface; same LQFP100 package. | Lacks crystal-less USB and LCD driver - suitable for non-display, non-USB sensor concentrators. | Select when USB/LCD functionality is unnecessary and EEPROM size >1.5 KB is not required. |
| STM32L433RCT6 | Cortex-M4F core, 256 KB Flash, 64 KB SRAM, no EEPROM; includes FPU and higher-performance peripherals; 3.3 V only. | Higher compute throughput and floating-point support, but higher active current (82 µA/MHz vs 93 µA/MHz) and no EEPROM. | Choose when algorithmic complexity (e.g., FFT, filtering) demands M4F, and external EEPROM or FRAM can replace on-chip EEPROM. |
Compared with STM32L073RZT6, the STM32L083RZH6 adds USB and LCD while retaining identical power profiles; versus STM32L433RCT6, it trades processing headroom for lower static power, integrated EEPROM, and broader voltage range - making it optimal for long-life, feature-rich, battery-operated endpoints.
Availability
STM32L083RZH6 is available at Aetrix Electronics and suitable for wearable health monitors, smart utility meters, portable industrial HMIs, and low-power environmental sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for STM32L083RZH6 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 products for industrial, automotive, and consumer markets.
The STM32L0 series targets ultra-low-power embedded applications demanding extended battery life, integrated analog peripherals, and secure firmware execution - optimized for energy harvesting, portable medical, and smart metering use cases.
FAQ
What is the maximum operating frequency and corresponding power consumption in Run mode?
The STM32L083RZH6 operates up to 32 MHz with a typical current draw of 93 µA/MHz when running code from Flash. At full speed (32 MHz), this equates to approximately 2.98 mA total active current under standard conditions (3.0 V, 25 °C), verified in Section 6.3.4 of DS10671 Rev 5.
Does the device support hardware-accelerated cryptographic operations beyond AES-128?
No - the STM32L083RZH6 integrates only a dedicated AES-128 encryption/decryption engine and a true random number generator (TRNG). It does not include SHA, RSA, or ECC accelerators; those capabilities appear in higher-series MCUs like the STM32L4 or STM32H7 families.
Can the internal 32 kHz LSE oscillator be used for RTC calibration without an external crystal?
No - the 32 kHz RTC oscillator requires an external 32.768 kHz crystal connected to PC14/PC15 for accurate timekeeping. The internal LSI (37 kHz RC) may serve as a low-accuracy RTC clock source but lacks factory calibration and exhibits ±40% variation over temperature and voltage.
How many GPIOs support external interrupt/wakeup capability in Stop mode?
The STM32L083RZH6 supports up to 16 wakeup lines from Stop mode, mapped across multiple ports (PA–PE, PH) and including dedicated EXTI lines. This is confirmed in Section 3.1 and Table 5 of DS10671 Rev 5, enabling flexible event-driven wake-up from deep sleep.
STM32L083RZH6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-TFBGA
- Series:
- STM32L0
- Packaging:
- Tray
- 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):
- 1.8V ~ 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:
STM32L083RZH6 FAQ
1.How can I place an order for STM32L083RZH6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L083RZH6 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 STM32L083RZH6 reliable?
The price and inventory of STM32L083RZH6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L083RZH6 is usually 5 days.
3.What payment methods are accepted for STM32L083RZH6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L083RZH6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L083RZH6?
STM32L083RZH6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L083RZH6 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 STM32L083RZH6?
For technical support, including STM32L083RZH6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L083RZH6 requirements.
6.How does Aetrix verify that STM32L083RZH6 is sourced from the original manufacturer or authorized distributors?
All STM32L083RZH6 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 STM32L083RZH6 meets industry standards.
7.What is the process for return or replacement of STM32L083RZH6?
All STM32L083RZH6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32L083RZH6, 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 STM32L083RZH6 part is unused and in its original packaging.
Return procedure for STM32L083RZH6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32L083RZH6 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
