Overview
The STM32L051C6T6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L051x6/8 series. It features the high-performance Arm® 32-bit Cortex®-M0+ core, operating at a maximum frequency of 32 MHz. This MCU is designed for low-power applications, offering a wide range of power-saving modes and a comprehensive set of peripherals and interfaces.
The device includes high-speed embedded memories such as 64 Kbytes of Flash program memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM. It also features an extensive range of enhanced I/Os and peripherals, including analog and communication interfaces.
The STM32L051C6T6TR operates from a 1.65 V to 3.6 V power supply and is available in various packages, including LQFP 48-pin and UFQFPN 48-pin options. It supports a temperature range of -40 to +125 °C, making it suitable for a variety of industrial and consumer applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ with MPU |
| Maximum Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to +125 °C |
| Flash Memory | Up to 64 Kbytes with ECC |
| RAM | 8 Kbytes |
| Data EEPROM | 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, internal high-speed and low-power RC oscillators |
| Power Modes | Standby: 0.27 µA, Stop: 0.4 µA, Stop + RTC + RAM retention: 0.8 µA, Run: 88 µA/MHz |
| Wakeup Time | 3.5 µs from RAM, 5 µs from Flash memory |
| Analog Peripherals | 12-bit ADC, 2 ultra-low-power comparators, 7-channel DMA controller |
| Communication Interfaces | Up to 2 I2C, 2 SPI, 1 I2S, 2 USART, 1 low-power UART |
| Timers | 9 timers including 16-bit, ultra-low-power, SysTick, RTC, and watchdogs |
Key Features
- Ultra-low-power platform: Optimized for low-power consumption with various power-saving modes.
- High-performance core: Arm® 32-bit Cortex®-M0+ with MPU, operating up to 32 MHz.
- Extensive memory options: Up to 64 Kbytes of Flash memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM.
- Rich analog peripherals: 12-bit ADC, ultra-low-power comparators, and a 7-channel DMA controller.
- Multiple communication interfaces: USART, SPI, I2C, I2S, and low-power UART.
- Comprehensive clock sources: Including crystal oscillators, internal high-speed and low-power RC oscillators, and a PLL for CPU clock.
- Development support: Serial wire debug supported and pre-programmed bootloader.
- Reset and supply management: Ultra-safe, low-power BOR with 5 selectable thresholds and programmable voltage detector (PVD).
- ECOPACK2 compliant packages: Available in LQFP and UFQFPN packages.
Applications
The STM32L051C6T6TR is suitable for a wide range of applications that require low power consumption and high performance. These include:
- Industrial automation: For applications requiring low power and reliable operation in harsh environments.
- Consumer electronics: Such as smart home devices, wearables, and portable electronics.
- Medical devices: Where low power consumption and high reliability are critical.
- IoT devices: For internet-connected devices that need to operate efficiently on battery power.
- Automotive systems: For applications requiring robustness and low power consumption.
Q & A
- What is the core architecture of the STM32L051C6T6TR?
The core architecture is based on the Arm® 32-bit Cortex®-M0+ with a Memory Protection Unit (MPU).
- What is the maximum operating frequency of the STM32L051C6T6TR?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L051C6T6TR?
The power supply range is from 1.65 V to 3.6 V.
- What are the available memory options for the STM32L051C6T6TR?
The device includes up to 64 Kbytes of Flash memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM.
- What are the key analog peripherals of the STM32L051C6T6TR?
The key analog peripherals include a 12-bit ADC, two ultra-low-power comparators, and a 7-channel DMA controller.
- What communication interfaces are available on the STM32L051C6T6TR?
The device supports up to two I2C, two SPI, one I2S, two USART, and one low-power UART.
- What are the power-saving modes available on the STM32L051C6T6TR?
The device features Standby, Stop, and Stop + RTC + RAM retention modes, with consumption as low as 0.27 µA in Standby mode.
- What is the temperature range for the STM32L051C6T6TR?
The operating temperature range is from -40 to +125 °C.
- What development tools and support are available for the STM32L051C6T6TR?
The device supports serial wire debug and includes a pre-programmed bootloader.
- What packages are available for the STM32L051C6T6TR?
The device is available in LQFP 48-pin and UFQFPN 48-pin packages.
