Overview
The STM32L053C8T6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L053x6/8 series. It features the high-performance Arm® Cortex®-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for applications requiring high power efficiency and advanced peripherals. It includes a memory protection unit (MPU), high-speed embedded memories (up to 64 Kbytes of Flash program memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM), and an extensive range of enhanced I/Os and peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ with MPU |
| Operating Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40 to 125 °C |
| Flash Memory | Up to 64 Kbytes with ECC |
| SRAM | 8 Kbytes |
| EEPROM | 2 Kbytes with ECC |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, 2 ultra-low-power comparators |
| Communication Interfaces | USB 2.0 crystal-less, 2x USART, 1x UART (low power), up to 4x SPI, 2x I2C |
| Timers | 9 timers including 16-bit, ultra-low-power timer, SysTick, RTC, and watchdogs |
| Capacitive Sensing Channels | Up to 24 channels |
| Low-Power Modes | Standby mode (0.27 µA), Stop mode (0.4 µA), Stop mode + RTC + 8-Kbyte RAM retention (0.8 µA) |
Key Features
- Ultra-low-power platform with various low-power modes (Standby, Stop, etc.)
- High-performance Arm® Cortex®-M0+ core with MPU
- High-speed embedded memories: up to 64 Kbytes Flash, 8 Kbytes RAM, 2 Kbytes EEPROM
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, ultra-low-power comparators
- Advanced communication interfaces: USB 2.0 crystal-less, USART, UART, SPI, I2C
- Multiple timers and watchdogs: 16-bit timers, ultra-low-power timer, SysTick, RTC
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- 7-channel DMA controller supporting ADC, SPI, I2C, USART, DAC, Timers
- LCD driver for up to 8×28 segments with contrast adjustment and blinking mode
- Ultra-safe, low-power BOR and programmable voltage detector (PVD)
Applications
- IoT devices requiring low power consumption
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics with touch sensing capabilities
- Automotive systems needing high reliability and low power
- Smart home devices and energy management systems
Q & A
- What is the core architecture of the STM32L053C8T6TR?
The core architecture is based on the Arm® 32-bit Cortex®-M0+ with a memory protection unit (MPU).
- What is the operating frequency range of the STM32L053C8T6TR?
The operating frequency range is up to 32 MHz.
- What are the power supply and operating temperature ranges?
The power supply range is 1.65 V to 3.6 V, and the operating temperature range is -40 to 125 °C.
- What types of memory does the STM32L053C8T6TR have?
The device has up to 64 Kbytes of Flash memory, 8 Kbytes of SRAM, and 2 Kbytes of EEPROM.
- What are the key analog peripherals of the STM32L053C8T6TR?
The key analog peripherals include a 12-bit ADC, a 12-bit DAC, and two ultra-low-power comparators.
- What communication interfaces are available on the STM32L053C8T6TR?
The device features USB 2.0 crystal-less, two USARTs, one low-power UART, up to four SPI interfaces, and two I2C interfaces.
- How many capacitive sensing channels does the STM32L053C8T6TR support?
The device supports up to 24 capacitive sensing channels.
- What are the low-power modes available on the STM32L053C8T6TR?
The device offers Standby mode (0.27 µA), Stop mode (0.4 µA), and Stop mode + RTC + 8-Kbyte RAM retention (0.8 µA).
- Does the STM32L053C8T6TR support LCD driving?
Yes, it supports an LCD driver for up to 8×28 segments with contrast adjustment and blinking mode.
- What development tools and support are available for the STM32L053C8T6TR?
The device supports serial wire debug, pre-programmed bootloader for USART and SPI, and other development tools.
