Overview
The STM32L152V8T6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It is based on the ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed for low-power applications, featuring a comprehensive set of power-saving modes and a wide range of peripherals and interfaces. The device includes high-speed embedded memories such as 64 Kbytes of Flash memory, 10 Kbytes of RAM, and 4 Kbytes of true EEPROM. It also supports various communication interfaces like USB 2.0, USARTs, SPIs, and I2Cs, making it versatile for different applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM® Cortex®-M3 32-bit RISC |
| Core Frequency | Up to 32 MHz |
| Program Memory | 64 Kbytes Flash |
| RAM | 10 Kbytes |
| EEPROM | 4 Kbytes |
| Package | 100-LQFP |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 85°C (up to 105°C in low power dissipation state) |
| ADC | 12-bit, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Timers | 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- High-speed internal 16 MHz factory-trimmed RC oscillator and 32 kHz oscillator for RTC with calibration
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, and I2Cs
- Up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- LCD controller (except for some models) with built-in LCD voltage generator
- DMA controller with 7 channels and CRC calculation unit
- Real-time clock and backup registers that remain powered in Standby mode
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
Applications
- Low-power consumer electronics
- Industrial automation and control systems
- Medical devices requiring low power consumption
- IoT devices and smart home appliances
- Automotive systems, especially those requiring low power and high reliability
- Portable and battery-powered devices
Q & A
- What is the core processor of the STM32L152V8T6TR?
The core processor is the ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L152V8T6TR?
The maximum operating frequency is up to 32 MHz.
- What is the program memory size of the STM32L152V8T6TR?
The program memory size is 64 Kbytes of Flash memory.
- What are the power-saving modes available in the STM32L152V8T6TR?
The device features Standby, Stop, and Low-power run modes.
- Does the STM32L152V8T6TR support capacitive sensing?
- What communication interfaces are available on the STM32L152V8T6TR?
The device includes USB 2.0, USARTs, SPIs, and I2Cs.
- What is the operating temperature range of the STM32L152V8T6TR?
The operating temperature range is -40°C to 85°C (up to 105°C in low power dissipation state).
- Does the STM32L152V8T6TR have an LCD controller?
- What is the supply voltage range for the STM32L152V8T6TR?
The supply voltage range is 1.65 V to 3.6 V.
- How many I/Os does the STM32L152V8T6TR have?
The device has up to 83 fast I/Os (73 I/Os 5V tolerant).
