Overview
The STM32L053R8T6D is an ultra-low-power microcontroller from STMicroelectronics, based on the Arm® Cortex®-M0+ 32-bit RISC core. This device is part of the STM32L053x6/8 series, which combines high performance with low power consumption. It operates at a frequency of up to 32 MHz and features a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals. The microcontroller is designed for a wide range of applications requiring low power and high efficiency, making it suitable for battery-powered devices and other power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 64 Kbytes |
| SRAM | 8 Kbytes |
| EEPROM | 2 Kbytes |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| ADC | 12-bit, up to 16 channels |
| DAC | 12-bit, 1 channel |
| Comparators | 2 ultra-low-power comparators |
| Capacitive Sensing Channels | Up to 24 channels |
| Communication Interfaces | USB 2.0 crystal-less, 2x USART, 2x SPI, 2x I2C, 1x I2S, 1x LPUART |
| Timers | 9 timers including 16-bit and 32-bit timers, RTC, and watchdogs |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, etc.)
- High-performance Arm® Cortex®-M0+ core with MPU
- Integrated LCD controller with LCD voltage generator for up to 8 multiplexed LCDs
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- Comprehensive set of communication interfaces (USB, USART, SPI, I2C, I2S)
- Internal clock sources including crystal oscillators and internal RC oscillators
- Pre-programmed bootloader and serial wire debug support
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD)
Applications
- Battery-powered devices such as smart meters, fitness trackers, and wearable devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as remote controls and gaming devices
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and smart home appliances
Q & A
- What is the core architecture of the STM32L053R8T6D?
The STM32L053R8T6D is based on the Arm® Cortex®-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L053R8T6D?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L053R8T6D?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the key power-saving modes of the STM32L053R8T6D?
The device features Standby, Stop, and other low-power modes to minimize power consumption.
- Does the STM32L053R8T6D support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L053R8T6D?
The device includes USB 2.0 crystal-less, USART, SPI, I2C, I2S, and LPUART interfaces.
- What is the temperature range for the STM32L053R8T6D?
The operating temperature range is from -40°C to 125°C.
- Does the STM32L053R8T6D have an integrated LCD controller?
Yes, it has an integrated LCD controller with an LCD voltage generator for up to 8 multiplexed LCDs.
- What are the key analog peripherals of the STM32L053R8T6D?
The device includes a 12-bit ADC, a 12-bit DAC, and ultra-low-power comparators.
- Is the STM32L053R8T6D suitable for battery-powered devices?
Yes, it is highly suitable due to its ultra-low-power consumption and various power-saving modes.
