Overview
The STM32L051C8T6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L051x6/8 series. It features the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a maximum frequency of 32 MHz. This device is designed for high power efficiency and is suitable for a wide range of applications requiring low power consumption.
The STM32L051C8T6TR includes a memory protection unit (MPU), high-speed embedded memories (64 Kbytes of Flash program memory, 2 Kbytes of data EEPROM, and 8 Kbytes of RAM), and an extensive range of enhanced I/Os and peripherals. It operates within a voltage range of 1.65 to 3.6 V and is available in a temperature range of -40 to +125 °C.
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 |
| EEPROM | 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| ADC | 12-bit, up to 16 channels |
| Comparators | 2 ultra-low-power comparators |
| Timers | 9 timers including 16-bit and ultra-low-power timers, SysTick, RTC, and watchdogs |
| Communication Interfaces | Up to 2 I2C, 2 SPI, 1 I2S, 2 USART, 1 low-power UART |
| Package | UFQFPN32 (5x5 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, and Sleep modes)
- High-performance Arm Cortex-M0+ core with MPU
- High-speed embedded memories: 64 Kbytes Flash, 8 Kbytes RAM, and 2 Kbytes EEPROM
- Rich analog peripherals: 12-bit ADC, ultra-low-power comparators, and multiple timers
- Extensive range of communication interfaces: I2C, SPI, I2S, USART, and low-power UART
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD)
- 7-channel DMA controller and CRC calculation unit
- Pre-programmed bootloader and serial wire debug support
Applications
- Low-power IoT devices and sensors
- Portable and battery-powered devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
Q & A
- What is the core architecture of the STM32L051C8T6TR?
The STM32L051C8T6TR features the Arm® 32-bit Cortex®-M0+ core with an MPU.
- What is the maximum operating frequency of the STM32L051C8T6TR?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L051C8T6TR?
The power supply range is from 1.65 V to 3.6 V.
- What types of memory does the STM32L051C8T6TR have?
The device includes up to 64 Kbytes of Flash memory, 8 Kbytes of RAM, and 2 Kbytes of EEPROM.
- What are the key analog features of the STM32L051C8T6TR?
The key analog features include a 12-bit ADC, two ultra-low-power comparators, and multiple timers.
- What communication interfaces are available on the STM32L051C8T6TR?
The device includes up to two I2C, two SPI, one I2S, two USART, and one low-power UART.
- What are the power-saving modes available on the STM32L051C8T6TR?
The device supports multiple power-saving modes including Standby, Stop, and Sleep modes.
- What is the temperature range for the STM32L051C8T6TR?
The operating temperature range is from -40 to +125 °C.
- What package options are available for the STM32L051C8T6TR?
The device is available in the UFQFPN32 (5x5 mm) package.
- Does the STM32L051C8T6TR support serial wire debug?
Yes, the device supports serial wire debug.
