STMicroelectronics STM32L063R8T6TR
- Part No.:
- STM32L063R8T6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32L063R8T6TR.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,695
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Product details
Overview
STM32L063R8T6TR from STMicroelectronics is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller with 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, integrated LCD driver, USB 2.0 (crystal-less), 12-bit ADC (1.14 Msps), and hardware AES-128 encryption - deployed in battery-powered smart meters, portable medical sensors, and industrial IoT edge nodes.
For engineers reviewing the STM32L063R8T6TR datasheet, STM32L063R8T6TR pinout, STM32L063R8T6TR application, or STM32L063R8T6TR equivalent, key selection criteria include standby current (0.27 µA), RTC + RAM retention in Stop mode (0.8 µA), USB crystal-less operation, 45 5V-tolerant I/Os, and ECC-protected Flash/EEPROM for mission-critical firmware integrity.
Technical Context
The STM32L063R8T6TR integrates a Cortex-M0+ core with MPU, operating from 32 kHz to 32 MHz, delivering 0.95 DMIPS/MHz. Its clock system includes factory-trimmed 16 MHz HSI (+/-1%), self-calibrating 48 MHz HSI for USB, and 32 kHz LSE for RTC with calibration support.
Low-power architecture features five operational modes: Run (88 µA/MHz), Sleep, Low-power Run/Sleep, Stop (0.4 µA), and Standby (0.27 µA). Wakeup latency is 3.5 µs from RAM and 5 µs from Flash, enabled by dedicated wakeup pins and lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+ with MPU, 32 MHz max - enables deterministic real-time control with memory protection for secure firmware partitioning. |
| Memory | 64 KB Flash (ECC), 8 KB SRAM, 2 KB EEPROM (ECC) - supports robust firmware storage, data logging, and parameter retention across power cycles. |
| Power Consumption | 0.27 µA Standby, 0.8 µA Stop + RTC + 8 KB RAM retention - extends battery life to >10 years in coin-cell-powered applications. |
| Analog Peripherals | 12-bit ADC (16 ch, 1.14 Msps), 12-bit DAC (1 ch), 2x ultra-low-power comparators - enables high-fidelity sensor acquisition and analog output without external ICs. |
| Connectivity | USB 2.0 crystal-less, 2x USART (ISO 7816/IrDA), 1x LPUART, 4x SPI, 2x I2C - supports direct USB device connectivity and multi-protocol sensor hub interfacing. |
| Special Functions | LCD driver (8×28 segments), AES-128 hardware engine, TSC (24 capacitive sensing channels) - integrates display, security, and touch UI into single-chip solution. |
Pinout & Package
LQFP64 (10 × 10 mm, 0.5 mm pitch) package with 51 fast I/Os (45 5V tolerant), including dedicated LCD segment/common pins, USB D+/D−, and multiple wakeup-capable GPIOs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Power supply / Ground | Primary 1.65–3.6 V supply domain; dual VDD/VSS pairs ensure stable core/peripheral rail decoupling. |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD12, PH0–PH1 | General-purpose I/O | 51 total I/Os; 45 support 5V tolerance - simplifies level-shifting in mixed-voltage systems. |
| PA11/PA12 | USB D−/D+ | Crystal-less USB 2.0 interface - eliminates external oscillator, reducing BOM cost and PCB area. |
| PC13–PC15 | RTC oscillator inputs | Support 32.768 kHz crystal connection with built-in calibration - ensures ±1 ppm RTC accuracy over temperature. |
| VLCD | LCD voltage supply | On-chip step-up converter powers LCD panel up to 3.3 V - enables direct drive of segmented displays without external charge pump. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power standby | 0.27 µA with two wakeup pins active - enables instant wake on button press or interrupt while preserving battery for >5 years on CR2032. |
| Hardware AES-128 | Dedicated encryption engine with DMA support - offloads CPU for secure OTA updates and encrypted sensor data transmission. |
| Integrated LCD controller | Drives up to 8 commons × 28 segments with contrast adjustment and blinking - reduces component count in metering and medical displays. |
| Self-calibrating 48 MHz RC | Meets USB full-speed timing without external crystal - cuts BOM cost and improves reliability in space-constrained designs. |
| Capacitive touch sensing (TSC) | 24-channel hardware-accelerated touch controller - enables robust touchkey/rotary UI without external IC or firmware overhead. |
Applications
| Smart Utility Meter | Portable ECG Monitor |
|---|---|
Use Scenario: Battery-operated electricity/water meter with LCD display, tamper detection, and periodic RF upload. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, LCD refresh, RTC-based billing intervals, and secure AES-encrypted data packaging. Use Value: 0.27 µA Standby and 2 KB EEPROM enable 15-year battery life and reliable parameter retention across firmware updates. | Use Scenario: Handheld ECG device with analog front-end, OLED/LCD display, and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Signal acquisition controller handling 12-bit ADC sampling at 1 kHz, real-time waveform rendering via LCD driver, and low-power BLE packet prep. Use Value: 0.8 µA Stop mode + RTC + 8 KB RAM retention allows continuous heartbeat monitoring with sub-second wakeup latency. |
| Industrial Wireless Sensor Node | Secure Access Token |
Use Scenario: LoRaWAN node measuring temperature/humidity/pressure with solar charging and deep sleep between transmissions. IC Role / Device Role / Timing Role: Power-aware host MCU coordinating sensor reads, AES-encrypted payload generation, and precise 15-minute wakeup scheduling via LPTIM. Use Value: 5 µs Flash wakeup and 88 µA/MHz Run efficiency maximize energy harvesting utilization per transmission cycle. | Use Scenario: Physical security token storing cryptographic keys and performing challenge-response authentication. IC Role / Device Role / Timing Role: Secure element with firewall protection, true RNG, and hardware AES-128 for FIPS-compliant key derivation and signing. Use Value: 96-bit unique ID + ECC-protected Flash/EEPROM prevents cloning and ensures firmware integrity against physical attacks. |
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 RAM, no LCD driver, adds CAN FD interface | Suitable for higher-firmware-complexity nodes requiring CAN bus integration but no display | Select when code size exceeds 64 KB or CAN communication is required; forfeits LCD capability. |
| STM32L432KCU6 | Cortex-M4F core, 256 KB Flash, 64 KB SRAM, no EEPROM, no LCD, adds FPU and ART Accelerator | Better suited for floating-point sensor fusion or real-time FFT processing, not display-centric low-power devices | Choose for math-intensive edge AI preprocessing; higher active power (116 µA/MHz) and no EEPROM limit use in simple metering. |
Compared with STM32L073RZT6 and STM32L432KCU6, the STM32L063R8T6TR uniquely balances ultra-low standby current, integrated LCD, hardware AES, and EEPROM - making it optimal for cost-sensitive, display-equipped, long-life battery applications where code footprint stays under 64 KB.
Availability
STM32L063R8T6TR is available at Aetrix Electronics and suitable for smart utility meters, portable medical sensors, industrial wireless sensor nodes, and secure access tokens requiring stable component supply and long-term lifecycle assurance.
Supply support for STM32L063R8T6TR 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 multi-year battery life, secure firmware execution, and rich peripheral integration - especially where LCD, USB, and cryptographic acceleration are essential.
FAQ
What is the maximum operating frequency and core type of the STM32L063R8T6TR?
The STM32L063R8T6TR features an Arm Cortex-M0+ core with a maximum CPU frequency of 32 MHz and delivers 0.95 DMIPS/MHz. It supports dynamic voltage scaling and operates across the full 1.65–3.6 V supply range, enabling optimized performance-per-watt in both active and low-power modes.
Does the STM32L063R8T6TR support USB without an external crystal?
Yes - it integrates a self-calibrating 48 MHz RC oscillator (HSI48) qualified for USB full-speed (12 Mbps) operation, eliminating the need for an external crystal or oscillator. This reduces BOM cost, PCB area, and improves system reliability in space-constrained, battery-powered designs.
How many I/O pins are 5V tolerant, and what is the total I/O count?
The STM32L063R8T6TR provides up to 51 fast I/Os, of which 45 are 5V tolerant. This allows direct interfacing with legacy 5V peripherals (e.g., sensors, logic ICs) without external level shifters - critical for industrial retrofit and mixed-voltage system design.
What low-power modes does the STM32L063R8T6TR support, and what is the lowest current draw?
It supports five low-power modes: Sleep, Low-power Run/Sleep, Stop (0.4 µA), and Standby (0.27 µA with two wakeup pins). In Standby mode, it retains the 20-byte backup register and wakes in 5 µs from Flash - enabling decade-long operation on a single CR2032 coin cell in infrequently active applications.
STM32L063R8T6TR 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, 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:
STM32L063R8T6TR FAQ
1.How can I place an order for STM32L063R8T6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L063R8T6TR 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 STM32L063R8T6TR reliable?
The price and inventory of STM32L063R8T6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L063R8T6TR is usually 5 days.
3.What payment methods are accepted for STM32L063R8T6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L063R8T6TR transactions.
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4.How is shipping managed for STM32L063R8T6TR?
STM32L063R8T6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L063R8T6TR 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 STM32L063R8T6TR?
For technical support, including STM32L063R8T6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L063R8T6TR requirements.
6.How does Aetrix verify that STM32L063R8T6TR is sourced from the original manufacturer or authorized distributors?
All STM32L063R8T6TR 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 STM32L063R8T6TR meets industry standards.
7.What is the process for return or replacement of STM32L063R8T6TR?
All STM32L063R8T6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32L063R8T6TR, 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 STM32L063R8T6TR part is unused and in its original packaging.
Return procedure for STM32L063R8T6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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