Overview
The STM32L151VET6TR is an ultra-low-power microcontroller from STMicroelectronics, based on the Arm Cortex-M3 32-bit RISC core. It operates at a frequency of up to 32 MHz and features a comprehensive set of peripherals and interfaces, making it suitable for a wide range of low-power applications. The device includes high-speed embedded memories, extensive I/Os, and advanced communication interfaces, ensuring high performance and efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM Cortex-M3 32-bit RISC core |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | 512 Kbytes with ECC (2 banks of 256 Kbytes enabling RWW capability) |
| RAM | 80 Kbytes |
| EEPROM | 16 Kbytes with ECC |
| Backup Register | 128-byte backup register |
| Power Supply | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40 °C to +85 °C (or -40 °C to +105 °C for some variants) |
| Number of I/Os | Up to 83 high-current I/Os (5V tolerant) |
| Analog Peripherals | 2 operational amplifiers, 12-bit ADC (up to 40 channels), 12-bit DAC (2 channels), 2 ultra-low-power comparators |
| Communication Interfaces | 1x USB 2.0, 5x USARTs, up to 8x SPIs (including 2x I2S), 2x I2Cs (SMBus/PMBus) |
| Timers | 1x 32-bit timer, 6x 16-bit timers with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Package | 100-LQFP (14x14 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, and Low-power sleep modes)
- High-performance Arm Cortex-M3 32-bit RISC core with up to 32 MHz frequency and 1.25 DMIPS/MHz (Dhrystone 2.1)
- Memory protection unit (MPU) and CRC calculation unit with 96-bit unique ID
- Rich analog peripherals including operational amplifiers, ADC, DAC, and ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, and I2S
- Up to 34 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers for persistent data storage in Standby mode
- Internal oscillators and PLL for flexible clock management
- Development support with serial wire debug, JTAG, and trace capabilities
Applications
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and sensor networks
- Energy metering and smart grid applications
Q & A
- What is the core processor of the STM32L151VET6TR?
The core processor is the Arm Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151VET6TR?
The maximum operating frequency is up to 32 MHz.
- How much Flash memory does the STM32L151VET6TR have?
The device has 512 Kbytes of Flash memory with ECC.
- What are the power supply voltage ranges for the STM32L151VET6TR?
The power supply voltage ranges from 1.8 V to 3.6 V (down to 1.65 V at power down).
- What are the operating temperature ranges for the STM32L151VET6TR?
The operating temperature ranges from -40 °C to +85 °C (or -40 °C to +105 °C for some variants).
- What types of communication interfaces does the STM32L151VET6TR support?
The device supports USB 2.0, USARTs, SPIs, I2Cs, and I2S interfaces.
- Does the STM32L151VET6TR have any analog peripherals?
Yes, it includes operational amplifiers, a 12-bit ADC, a 12-bit DAC, and ultra-low-power comparators.
- What is the package type of the STM32L151VET6TR?
The package type is 100-LQFP (14x14 mm).
- What are the power-saving modes available on the STM32L151VET6TR?
The device features Standby, Stop, Low-power run, and Low-power sleep modes.
- Does the STM32L151VET6TR support touch sensing functionality?
Yes, it supports up to 34 capacitive sensing channels for touch sensing.
