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STMicroelectronics STM32L063R8T6
- Part No.:
- STM32L063R8T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32L063R8T6.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,002
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Product details
Overview
STM32L063R8T6 from STMicroelectronics is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller featuring 64 KB Flash, 8 KB SRAM, 2 KB EEPROM with ECC, integrated LCD driver (up to 8×28 segments), USB 2.0 crystal-less interface, and hardware AES-128 encryption. It operates from 1.65 V to 3.6 V across –40 °C to +125 °C, delivers 0.27 µA Standby current with 2 wakeup pins, and supports real-time clock with 8 KB RAM retention in Stop mode - ideal for battery-powered smart meters and portable medical sensors.
For engineers reviewing the STM32L063R8T6 datasheet, STM32L063R8T6 pinout, STM32L063R8T6 application, or STM32L063R8T6 equivalent, key selection considerations include its 12-bit ADC (1.14 Msps, 16-channel), dual ultra-low-power comparators (down to 1.65 V), on-chip step-up LCD converter, USB battery charging detection, and 24-channel capacitive touch sensing - all within LQFP64 package constraints.
Technical Context
The STM32L063R8T6 integrates a Cortex-M0+ core with MPU, running at up to 32 MHz with 0.95 DMIPS/MHz performance. Its clock system combines multiple internal oscillators - including factory-trimmed 16 MHz HSI (±1%), self-calibrating 48 MHz HSI48 for USB, and 37 kHz LSI - plus external 1–25 MHz crystal and 32 kHz RTC oscillator with calibration support.
Power architecture enables five low-power modes: Standby (0.27 µA), Stop (0.4 µA), Stop+RTC+RAM retention (0.8 µA), Low-power Run, and Run (88 µA/MHz). The device includes dedicated peripherals for energy-constrained applications: 7-channel DMA, true RNG, CRC unit, 96-bit unique ID, and firewall protection alongside AES-128 hardware encryption engine.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+ with MPU, 32 MHz max frequency, 0.95 DMIPS/MHz - enables deterministic real-time control in ultra-low-power systems. |
| Memory | 64 KB Flash with ECC, 8 KB SRAM, 2 KB data EEPROM with ECC - ensures firmware integrity and nonvolatile parameter storage without external components. |
| ADC | 12-bit, 1.14 Msps, up to 16 channels, operational down to 1.65 V - supports high-resolution sensor acquisition in wide supply ranges. |
| DAC | 12-bit, single channel with output buffer, functional down to 1.8 V - provides precise analog output for calibration or actuator control. |
| USB Interface | Crystal-less USB 2.0 full-speed, with battery charging detection and LPM - eliminates external crystal, reduces BOM cost and board space. |
| Low-Power Modes | Standby: 0.27 µA (2 wakeup pins); Stop: 0.4 µA (16 wakeup lines); Stop+RTC+8KB RAM: 0.8 µA - extends battery life in intermittent-sensing applications. |
| LCD Driver | Supports up to 8×28 segments with on-board step-up converter and contrast adjustment - enables direct drive of segmented LCDs without external bias circuitry. |
Pinout & Package
LQFP64 (10 × 10 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant and ECOPACK2 certified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core & I/O power supply | 1.65–3.6 V main supply; powers CPU, memories, and digital I/Os; requires local decoupling. |
| VSS | Ground reference | Digital ground return path; must be connected to PCB ground plane with low-inductance routing. |
| NRST | Active-low reset input | Asynchronous reset pin; internal pull-up; accepts external push-button or supervisor IC assertion. |
| PA0–PA15 | General-purpose I/Os | Up to 45 5V-tolerant GPIOs; configurable as analog inputs, alternate functions (USART, SPI, etc.), or capacitive touch sense channels. |
| PC13–PC15 | RTC-related pins | PC13: RTC_OUT; PC14/PC15: 32.768 kHz crystal oscillator inputs - critical for accurate timekeeping and low-power wakeups. |
| PA11/PA12 | USB D+/D− | Differential USB 2.0 full-speed interface; crystal-less operation enabled via internal HSI48 calibration; no external oscillator required. |
| VLCD | LCD voltage supply | Output of internal step-up converter; supplies LCD bias voltage; adjustable via software-controlled contrast register. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power standby | 0.27 µA with two wakeup pins active - enables multi-year battery life in infrequently polled IoT endpoints. |
| Hardware AES-128 engine | Dedicated cryptographic accelerator with DMA support - offloads encryption/decryption from CPU, preserving low-power runtime. |
| Capacitive touch controller | 24-channel TSC supporting touchkey, linear, and rotary sensors - eliminates need for external touch IC in human-interface designs. |
| Integrated LCD driver | 8×28 segment support with on-chip step-up converter and blinking mode - reduces component count and PCB area for display-based devices. |
| USB crystal-less operation | HSI48 oscillator auto-calibrated against USB SOF packets - removes 48 MHz crystal, lowering cost and improving reliability. |
Applications
| Smart Utility Metering | Portable Medical Sensors |
|---|---|
Use Scenario: Battery-operated gas/water meter with LCD display, tamper detection, and periodic RF transmission. IC Role / Device Role / Timing Role: Main system controller managing sensor readout (ADC), LCD refresh (LCD driver), secure data logging (AES + EEPROM), and low-power scheduling (RTC + Stop mode). Use Value: 0.27 µA Standby current and 0.8 µA Stop+RTC mode enable >10-year battery life; integrated LCD driver eliminates external bias IC. |
Use Scenario: Handheld ECG or blood glucose monitor requiring analog front-end precision, user interface, and data security. IC Role / Device Role / Timing Role: Signal acquisition hub using 12-bit ADC (1.14 Msps) and 12-bit DAC for calibration, with AES-128 encrypting patient data before storage or BLE transmission. Use Value: Dual ultra-low-power comparators detect lead-off conditions; 5V-tolerant I/Os simplify connection to external op-amp stages. |
| Industrial Wireless Sensor Node | Home Automation Controller |
Use Scenario: LoRaWAN node monitoring temperature/humidity with local LCD feedback and scheduled wakeups. IC Role / Device Role / Timing Role: Central MCU coordinating capacitive touch UI, environmental sensing (ADC + temp sensor), and USB-based firmware updates. Use Value: 24-channel TSC enables intuitive button/slider interface; crystal-less USB simplifies programming port design without extra timing components. |
Use Scenario: Zigbee/Z-Wave thermostat with segmented LCD, ambient light sensing, and relay control. IC Role / Device Role / Timing Role: System-on-chip managing HVAC logic, LCD display, capacitive touch buttons, and secure OTA update handling via AES-128. Use Value: 2 KB EEPROM stores calibration offsets and user preferences with ECC protection; 3.6 V max supply supports direct coin-cell + booster operation. |
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, same peripherals but higher memory density; identical LQFP64 package and pinout. | Preferred for firmware-rich applications requiring larger bootloader or OTA update partition. | Select when code size exceeds 64 KB or additional RAM is needed for complex protocol stacks. |
| STM32L432KCU6 | Cortex-M4F core, FPU, 256 KB Flash, 64 KB SRAM, no LCD driver, higher active current (116 µA/MHz), different package (UFQFPN32). | Suitable for math-intensive tasks (e.g., sensor fusion) but lacks integrated LCD and capacitive touch. | Choose only if floating-point computation or larger memory is mandatory and LCD/touch are handled externally. |
Compared with STM32L073RZT6, the STM32L063R8T6 trades memory capacity for lower cost and identical ultra-low-power behavior; versus STM32L432KCU6, it offers superior standby efficiency and integrated human-interface peripherals at the expense of computational throughput.
Availability
STM32L063R8T6 is available at Aetrix Electronics and suitable for smart utility metering, portable medical sensors, industrial wireless sensor nodes, and home automation controllers requiring stable component supply across extended product lifecycles.
Supply support for STM32L063R8T6 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, emphasizing energy efficiency, integrated peripherals (LCD, USB, AES), and robustness across extended temperature and voltage ranges - optimized for battery-operated and energy-harvesting systems.
FAQ
Does STM32L063R8T6 support crystal-less USB operation?
Yes. The device integrates a self-calibrating 48 MHz HSI48 oscillator that synchronizes to USB Start-of-Frame (SOF) tokens, enabling full-speed USB 2.0 communication without an external crystal. This reduces BOM cost and improves system reliability in space-constrained designs.
What is the minimum operating voltage for the 12-bit ADC?
The 12-bit ADC operates down to 1.65 V supply voltage, maintaining full 1.14 Msps sampling rate and 16-channel capability. At this voltage, it retains ±2.5 LSB INL and ±1.5 LSB DNL accuracy per DS10090 Rev 8 Section 6.3.15, enabling high-fidelity sensing in brownout conditions.
How many capacitive touch channels does STM32L063R8T6 support?
The device supports up to 24 capacitive sensing channels via its integrated Touch Sensing Controller (TSC), compatible with touchkey, linear, and rotary sensor topologies. All channels share common charge-transfer architecture and are mapped to specific GPIOs listed in Table 8 of the datasheet.
Is the 2 KB EEPROM truly EEPROM or emulated in Flash?
It is dedicated hardware EEPROM with ECC protection, not Flash-emulated. ST specifies 100,000 write/erase cycles and 20-year data retention at 55 °C (DS10090 Rev 8, Table 52), and supports byte-level writes - distinct from Flash-based emulation which requires block erasure and wear leveling.
STM32L063R8T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- 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, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32L063R8T6 FAQ
1.How can I place an order for STM32L063R8T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L063R8T6 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 STM32L063R8T6 reliable?
The price and inventory of STM32L063R8T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L063R8T6 is usually 5 days.
3.What payment methods are accepted for STM32L063R8T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L063R8T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L063R8T6?
STM32L063R8T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L063R8T6 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 STM32L063R8T6?
For technical support, including STM32L063R8T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L063R8T6 requirements.
6.How does Aetrix verify that STM32L063R8T6 is sourced from the original manufacturer or authorized distributors?
All STM32L063R8T6 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 STM32L063R8T6 meets industry standards.
7.What is the process for return or replacement of STM32L063R8T6?
All STM32L063R8T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32L063R8T6, 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 STM32L063R8T6 part is unused and in its original packaging.
Return procedure for STM32L063R8T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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