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ST STM32L151V8T6A Ultra-Low Power 32MHz 32-Bit Single-Core ARM Cortex-M3 MCU
ST STM32L151V8T6A Ultra-Low Power 32MHz 32-Bit Single-Core ARM Cortex-M3 MCUShenzhen Mingjiada Electronics Co., Ltd. is a well-known distributor of electronic components, providing a stable supply of the STM32L151V8T6A, an ultra-low power 32-bit micro…
ST STM32L151V8T6A Ultra-Low Power 32MHz 32-Bit Single-Core ARM Cortex-M3 MCU
Shenzhen Mingjiada Electronics Co., Ltd. is a well-known distributor of electronic components, providing a stable supply of the STM32L151V8T6A, an ultra-low power 32-bit microcontroller based on the ARM Cortex-M3 core. The STM32L151V8T6A device, with its exceptional energy efficiency, rich peripheral interfaces, and reliable performance, is an ideal choice for IoT terminal devices, portable medical instruments, smart sensors, and consumer electronics.
STM32L151V8T6A Product Overview and Technical Features
The STM32L151V8T6A is an ultra-low-power 32-bit single-core ARM® Cortex®-M3 microcontroller packaged in an LQFP100 format.
The STM32L151V8T6A integrates USB connectivity functionality with a high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of 32 MHz (33.3 DMIPS), an integrated memory protection unit (MPU), high-speed embedded memory (up to 128 kilobytes of flash and up to 32 kilobytes of RAM), and a rich set of enhanced I/O and peripherals connected via two APB buses.
STM32L151V8T6A Specifications
Core: ARM Cortex M3
Program memory capacity: 128 kB
Data bus width: 32-bit
ADC resolution: 12-bit
Maximum clock frequency: 32 MHz
Number of I/O pins: 83 I/O pins
Data RAM capacity: 32 kB
Supply Voltage - Minimum: 1.65 V
Supply Voltage - Maximum: 3.6 V
Minimum Operating Temperature: -40 °C
Maximum Operating Temperature: +85 °C
Analogue Supply Voltage: 1.65 V to 3.6 V
DAC Resolution: 12-bit
Data RAM Type: SRAM
Data ROM Capacity: 4 kB
Data ROM type: EEPROM
I/O voltage: 1.65 V to 3.6 V
Interface type: I2C, SPI, USART, USB
ADC channel count: 24 channels
Timer/counter count: 8 timers
The STM32L151V8T6A is specifically designed for power-sensitive applications and features the following key characteristics:
Ultra-low power architecture:
Multiple low-power modes: operating mode as low as 214 μA/MHz, standby mode as low as 1.3 μA (with SRAM retained), shutdown mode as low as 0.4 μA1
Dynamic voltage regulation technology automatically adjusts the supply voltage based on CPU frequency
Ultra-fast wake-up mechanism: wake-up from stop mode in just 4.7 μs
Rich peripheral interfaces:
Up to 5 USART interfaces supporting ISO7816, LIN, IrDA, and modem control
3 SPI interfaces (18 Mbit/s) and 2 I2C interfaces (supporting SMBus/PMBus)
USB 2.0 full-speed device interface (supporting crystal-less design)
12-bit ADC (1 Msps sampling rate) and 12-bit DAC
7-channel DMA controller to reduce CPU load
Enhanced security features:
Hardware CRC calculation unit to ensure data transmission integrity
96-bit unique ID for device identification and security applications
Memory protection unit (MPU) to enhance system security
Supports AES-128/192/256 hardware encryption acceleration
Industrial-grade reliability:
Operating temperature range: -40°C to +85°C (industrial-grade) or -40°C to +105°C (extended industrial-grade)
ESD protection: up to 4kV (human body model)
Compliant with IEC 60335 Class B standards, suitable for home appliance applications
Typical application scenarios for the STM32L151V8T6A
The STM32L151V8T6A demonstrates exceptional application value across multiple fields thanks to its ultra-low power consumption and rich peripheral resources:
1. IoT terminal devices:
Serves as the main control chip for wireless sensor nodes, connecting various environmental sensors via SPI/I2C interfaces
Integrates with low-power wireless modules (e.g., LoRa, BLE) for data collection and transmission
Utilises USB interfaces for firmware updates or data transfer
2. Portable medical devices:
Core controller for handheld medical instruments such as blood glucose meters and pulse oximeters
Precisely collects bioelectric signals via the built-in ADC
Ultra-low power consumption significantly extends battery life
3. Smart home control systems:
Applications such as smart door locks, thermostats, and lighting control
Supports multiple communication protocols (USART/SPI/I2C) to connect peripheral devices
Hardware encryption functionality ensures home network security
4. Industrial sensors and instruments:
Sensor signal processing in industrial process control
Industrial field communication via CAN interface (external transceiver required)
Wide temperature range for harsh industrial environments
5. Consumer electronics:
Wearable devices such as smartwatches and fitness trackers
Personal care products such as e-cigarettes and electric toothbrushes
Wireless control devices such as game controllers and remote controls
Time:2025-07-11
Time:2025-07-11
Time:2025-07-11
Time:2025-07-11
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