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STMicroelectronics STM32L152V8T6A
- Part No.:
- STM32L152V8T6A
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32L152V8T6A.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:230
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Product details
Overview
STM32L152V8T6A from STMicroelectronics is an ultra-low-power 32-bit ARM® Cortex®-M3 microcontroller featuring 128 KB Flash, 32 KB SRAM, 4 KB EEPROM with ECC, 12-bit ADC (1 Msps, 24 channels), and dual 12-bit DACs - deployed in battery-powered medical sensors, portable industrial loggers, and smart utility meters requiring sub-µA standby operation.
For engineers reviewing the STM32L152V8T6A datasheet, STM32L152V8T6A pinout, STM32L152V8T6A application, or STM32L152V8T6A equivalent, key selection criteria include verified ultra-low-power mode current (0.28 µA Standby), LCD driver support (8×40 segments), USB 2.0 full-speed interface with internal 48 MHz PLL, and 73 5V-tolerant I/Os with capacitive touch sensing capability.
Technical Context
The device implements dynamic voltage scaling across six low-power modes (Run, Sleep, Low-power Run, Low-power Sleep, Stop, Standby), with hardware-accelerated power state transitions and <8 µs wakeup from Stop mode. Its memory protection unit (MPU) enforces privilege separation for secure firmware execution.
Clock architecture integrates five independent sources: HSE (1–24 MHz), LSE (32.768 kHz RTC), HSI (16 MHz ±1%), LSI (37 kHz), and MSI (65 kHz–4.2 MHz), plus a programmable PLL supporting CPU and USB clock domains - enabling precise timing control for mixed-signal sensor fusion and real-time communication stacks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 @ up to 32 MHz; delivers 1.25 DMIPS/MHz for deterministic real-time control loops. |
| Memory | 128 KB Flash with ECC, 32 KB SRAM, 4 KB true EEPROM with ECC - ensures data integrity in field-deployed devices. |
| Power Modes | 0.28 µA Standby (3 wakeup pins), 0.44 µA Stop (16 wakeup lines), 10.9 µA Low-power Run - enables multi-year battery life in IoT endpoints. |
| Analog Peripherals | 12-bit ADC (1 Msps, 24 channels), 2×12-bit DACs with buffers, 2 ultra-low-power comparators - supports precision sensor signal conditioning without external ICs. |
| Connectivity | USB 2.0 FS (48 MHz PLL), 3×USART (IrDA/ISO 7816), 2×SPI (16 Mbit/s), 2×I²C (SMBus/PMBus) - enables wired diagnostics, secure firmware updates, and multi-sensor bus integration. |
| I/O & Timing | 73 I/Os (5V tolerant), 10 timers including 6×16-bit GP timers (4 PWM/OC/IC channels each), CRC unit, 96-bit unique ID - simplifies PCB layout and enhances system traceability. |
Pinout & Package
LQFP100 package (14 × 14 mm, 0.5 mm pitch) with 100 leads; thermally optimized for industrial ambient temperatures up to +105°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core & I/O supply | 1.65–3.6 V input; powers CPU, memories, and all digital peripherals - requires local 100 nF decoupling per VDD pin. |
| VSS | Ground reference | Digital ground return; must be connected to low-impedance PCB plane to maintain ADC/DAC accuracy and EMI immunity. |
| PA0–PA15 | General-purpose I/O | 5V-tolerant GPIOs; configurable as analog inputs, timer channels, or USART/SPI/I²C alternate functions - enables flexible peripheral mapping. |
| PC13–PC15 | RTC oscillator terminals | Support 32.768 kHz crystal connection; PC14/PC15 are dedicated LSE pins with built-in load capacitance calibration. |
| PA11/PA12 | USB D+/D− | Full-speed USB 2.0 differential pair; integrated transceivers eliminate external PHY - reduces BOM count and board area. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power design | 0.28 µA Standby mode with 3 wakeup pins - extends coin-cell battery life beyond 10 years in always-on monitoring applications. |
| Embedded EEPROM | 4 KB true EEPROM with ECC - eliminates need for external serial EEPROM in parameter storage and calibration data retention. |
| LCD controller | Supports up to 8×40 segment displays with on-board step-up converter and contrast adjustment - enables direct drive of segmented LCDs without external bias circuitry. |
| Capacitive touch sensing | 20-channel CTSU supporting touchkey, linear, and rotary sensors - allows intuitive HMI implementation using standard PCB copper traces. |
| Security & reliability | Memory Protection Unit (MPU), 96-bit unique ID, Flash/ECC and EEPROM/ECC - meets IEC 61508 SIL-2 requirements for functional safety-critical firmware. |
Applications
| Wearable Health Monitor | Smart Gas Meter |
|---|---|
Use Scenario: Continuous ECG/temperature logging with Bluetooth LE telemetry and rechargeable coin-cell backup. IC Role / Device Role / Timing Role: Central MCU managing analog front-end sampling, real-time FFT processing, USB-based firmware updates, and RTC-synchronized data timestamping. Use Value: Sub-µA Stop mode current and 12-bit ADC linearity (<±1 LSB INL) ensure >3-year runtime and clinical-grade measurement repeatability. |
Use Scenario: Battery-powered ultrasonic gas flow meter with pulse output, tamper detection, and 10-year metrology certification. IC Role / Device Role / Timing Role: System controller executing ultrasonic time-of-flight calculations, EEPROM-based calibration storage, and ISO 7816-compliant secure element interface. Use Value: 4 KB EEPROM with ECC guarantees 100k write cycles and 40-year data retention at 85°C - satisfying OIML R137 compliance requirements. |
| Industrial Wireless Sensor Node | Portable Data Logger |
Use Scenario: LoRaWAN-enabled vibration/temperature node deployed in remote pump stations with solar harvesting. IC Role / Device Role / Timing Role: Power-aware host MCU coordinating ADC sampling, SPI flash logging, LoRa transceiver control, and adaptive duty cycling via WWDG. Use Value: 10.9 µA Low-power Run mode and <8 µs wakeup enable 99% sleep duty cycle - maximizing energy harvest efficiency under intermittent light. |
Use Scenario: Handheld environmental logger capturing temperature, humidity, and CO₂ over 30-day deployments using AA batteries. IC Role / Device Role / Timing Role: Dual-role controller performing sensor fusion (ADC+DAC+comparator), SD card file system management, and USB mass storage enumeration. Use Value: Integrated USB 2.0 FS with internal 48 MHz PLL eliminates external crystal and PHY - reducing component count by 4 and PCB footprint by 25 mm². |
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 |
|---|---|---|---|
| STM32L432KCU6 | ARM Cortex-M4F core, 256 KB Flash, no EEPROM, lower standby current (150 nA), no LCD driver | Better for DSP-intensive tasks (e.g., motor control), unsuitable where EEPROM-based calibration persistence is required | Select when floating-point math or higher code density is prioritized over EEPROM and LCD integration. |
| EFM32PG12B500F1024GL125 | ARM Cortex-M4, 1024 KB Flash, 256 KB RAM, 32 KB EEPROM, no USB, higher active current (120 µA/MHz) | Stronger for deep-sleep sensor hubs without wired connectivity; lacks USB and LCD support | Choose for long-life battery nodes needing large local storage but no USB diagnostics or display. |
Compared with STM32L152V8T6A, the STM32L432KCU6 offers superior computational throughput and lower ultra-deep-sleep current but sacrifices EEPROM and LCD functionality; the EFM32PG12B500F1024GL125 provides larger memory and EEPROM endurance but lacks USB and increases active power consumption by 2.3×.
Availability
STM32L152V8T6A is available at Aetrix Electronics and suitable for wearable health monitors, smart utility meters, industrial wireless sensor nodes, and portable data loggers requiring stable component supply across extended product lifecycles.
Supply support for STM32L152V8T6A 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 STM32L1 series targets ultra-low-power embedded applications demanding multi-year battery life, robust analog integration, and certified functional safety - with the STM32L152V8T6A specifically optimized for LCD-equipped, USB-connected, and EEPROM-dependent metering and HMI systems.
FAQ
Does STM32L152V8T6A support USB device mode without external crystal?
Yes. The device integrates a 48 MHz PLL fed by its internal 16 MHz HSI RC oscillator, enabling full-speed USB 2.0 device operation without an external crystal. This is confirmed in Section 3.4 and Table 34 of the datasheet, where USB clock generation is explicitly supported via HSI+PLL configuration.
What is the maximum operating temperature for STM32L152V8T6A?
The STM32L152V8T6A is rated for operation from –40°C to +105°C, as specified in Section 6.3.1 (General operating conditions) and Table 14 of the datasheet. This extended temperature range qualifies it for deployment in industrial enclosures and outdoor utility metering environments.
How many I/O pins are 5V tolerant on this MCU?
73 I/O pins are 5V tolerant, as stated in the "Features" section (page 1) and confirmed in Section 3.6 (GPIOs) and Table 43 (I/O static characteristics). This tolerance applies across all power supply voltages (1.65–3.6 V) and enables direct interfacing with legacy 5V logic without level shifters.
Is the LCD controller present in STM32L152V8T6A?
Yes. Unlike the STM32L151x6/8/B-A variants, the STM32L152x6/8/B-A family - including STM32L152V8T6A - includes an integrated LCD controller supporting up to 8×40 segments, as documented in Section 3.9 and Table 63 of the datasheet.
STM32L152V8T6A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32L1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, Cap Sense, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 24x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32L152V8T6A FAQ
1.How can I place an order for STM32L152V8T6A through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L152V8T6A 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 STM32L152V8T6A reliable?
The price and inventory of STM32L152V8T6A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L152V8T6A is usually 5 days.
3.What payment methods are accepted for STM32L152V8T6A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L152V8T6A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L152V8T6A?
STM32L152V8T6A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L152V8T6A 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 STM32L152V8T6A?
For technical support, including STM32L152V8T6A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L152V8T6A requirements.
6.How does Aetrix verify that STM32L152V8T6A is sourced from the original manufacturer or authorized distributors?
All STM32L152V8T6A 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 STM32L152V8T6A meets industry standards.
7.What is the process for return or replacement of STM32L152V8T6A?
All STM32L152V8T6A units undergo pre-shipment inspection (PSI). If there is an issue with STM32L152V8T6A, 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 STM32L152V8T6A part is unused and in its original packaging.
Return procedure for STM32L152V8T6A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32L152V8T6A Tags
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