Overview
The STM32L151VCT6ATR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It integrates the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for low-power applications, featuring a comprehensive set of power-saving modes and a wide range of peripherals. The STM32L151VCT6ATR includes high-speed embedded memories, advanced communication interfaces, and rich analog peripherals, 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 |
| Flash Memory | 256 Kbytes with ECC |
| RAM | 32 Kbytes |
| EEPROM | 8 Kbytes with ECC |
| Backup Register | 128 bytes |
| Power Supply | 1.8 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 |
| ADC | 12-bit, up to 25 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Timers | 1x 32-bit, 6x 16-bit, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | USB 2.0, 3x USARTs, 3x SPIs, 2x I2Cs, 2x I2S |
| Capacitive Sensing Channels | Up to 23 channels |
| I/Os | Up to 83 fast I/Os (70 I/Os 5V tolerant) |
| Operational Amplifiers | 2 |
| Comparators | 2 ultra-low-power comparators |
Key Features
- Ultra-low-power platform with various power-saving modes.
- High-performance ARM® Cortex®-M3 32-bit RISC core.
- High-speed embedded memories: 256 Kbytes of Flash memory, 32 Kbytes of RAM, and 8 Kbytes of true EEPROM.
- Rich analog peripherals including 2 operational amplifiers, 12-bit ADC, and 12-bit DAC.
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, and I2S.
- Up to 23 capacitive sensing channels for touch sensing functionality.
- Real-time clock and backup registers.
- Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds.
- Programmable voltage detector (PVD) and clock sources including crystal oscillators and internal RC oscillators.
- Serial wire debug, JTAG, and trace supported.
Applications
- Low-power consumer electronics.
- Industrial automation and control systems.
- Medical devices requiring low power consumption.
- Smart home devices and IoT applications.
- Automotive systems where low power and high performance are critical.
- Wearable devices and portable electronics.
Q & A
- What is the core architecture of the STM32L151VCT6ATR?
The STM32L151VCT6ATR features an ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151VCT6ATR?
The maximum operating frequency is up to 32 MHz.
- What types of memory does the STM32L151VCT6ATR have?
The device includes 256 Kbytes of Flash memory, 32 Kbytes of RAM, and 8 Kbytes of true EEPROM.
- What are the power supply requirements for the STM32L151VCT6ATR?
The device operates from a 1.8 to 3.6 V power supply (down to 1.65 V at power down).
- What are the key analog peripherals of the STM32L151VCT6ATR?
The device includes 2 operational amplifiers, a 12-bit ADC, and 2 12-bit DACs.
- Does the STM32L151VCT6ATR support USB and other communication interfaces?
Yes, it supports USB 2.0, USARTs, SPIs, I2Cs, and I2S.
- How many capacitive sensing channels does the STM32L151VCT6ATR offer?
The device offers up to 23 capacitive sensing channels.
- What are the power-saving modes available on the STM32L151VCT6ATR?
The device features various power-saving modes including standby, stop, and low-power run modes.
- Is the STM32L151VCT6ATR suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems due to its robust features and low power consumption.
- Does the STM32L151VCT6ATR support debug and trace functionalities?
Yes, it supports serial wire debug, JTAG, and trace.
- What is the operating temperature range of the STM32L151VCT6ATR?
The operating temperature range is -40°C to +85°C or -40°C to +105°C.
