Overview
The STM32L151V8T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It is based on the ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for low-power applications, offering a wide range of power-saving modes and a comprehensive set of peripherals. The STM32L151V8T6 integrates high-performance embedded memories, including up to 128 Kbytes of Flash memory, up to 16 Kbytes of RAM, and up to 4 Kbytes of true EEPROM. It also features advanced communication interfaces such as USB 2.0, USARTs, SPIs, and I2Cs, making it suitable for various applications requiring low power consumption and high performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 85°C / 105°C (low power dissipation state) |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| ADC | 12-bit, 1 Msps, 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 | 1x USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | LQFP 100 (14x14 mm), UFBGA 100 (7x7 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- High-performance ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs
- Up to 83 fast I/Os (73 I/Os 5V tolerant) with 16 external interrupt vectors
- Integrated LCD controller (except STM32L151x/6/8/B devices) for up to 8x40 segments
- Real-time clock with backup registers and 32 kHz oscillator
- DMA controller with 7 channels and CRC calculation unit
- Capacitive sensing channels supporting touchkey, linear, and rotary touch sensors
Applications
- Low-power IoT devices and smart sensors
- Portable and battery-powered devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as wearables and fitness trackers
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L151V8T6?
The STM32L151V8T6 is based on the ARM® Cortex®-M3 32-bit RISC core.
- What is the operating frequency range of the STM32L151V8T6?
The operating frequency range is from 32 kHz up to 32 MHz.
- What are the power supply voltage ranges for the STM32L151V8T6?
The power supply voltage ranges from 1.65 V to 3.6 V.
- What are the key power-saving modes available in the STM32L151V8T6?
The key power-saving modes include Standby, Stop, and Low-power run modes.
- What types of memory are available on the STM32L151V8T6?
The device includes up to 128 Kbytes of Flash memory, up to 16 Kbytes of RAM, and up to 4 Kbytes of true EEPROM.
- What communication interfaces are supported by the STM32L151V8T6?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L151V8T6 have capacitive sensing capabilities?
Yes, it supports up to 20 capacitive sensing channels.
- What is the temperature range for the STM32L151V8T6?
The operating temperature range is -40°C to 85°C / 105°C (in low power dissipation state).
- What types of timers are available on the STM32L151V8T6?
The device includes 6x 16-bit timers with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, and 2x watchdog timers.
- Does the STM32L151V8T6 have an integrated LCD controller?
No, the integrated LCD controller is not available on the STM32L151x/6/8/B devices.
