Overview
The STM32L053R8T6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It features the high-performance Arm® Cortex®-M0+ 32-bit RISC core operating at a frequency of up to 32 MHz. This device is designed for applications requiring high power efficiency and advanced connectivity options, including USB 2.0 crystal-less, multiple serial communication interfaces, and an integrated LCD controller. The microcontroller operates within a wide temperature range of -40 to 125 °C and supports various low-power modes to minimize energy consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 64 Kbytes |
| SRAM | 8 Kbytes |
| Data EEPROM | 2 Kbytes |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40 to 125 °C |
| I/Os (High Current) | Up to 51 |
| ADC | 12-bit, up to 16 channels |
| DAC | 12-bit, 1 channel |
| Comparators | 2 ultra-low-power comparators |
| SPI | Up to 4, 16 Mbits/s |
| USART | Up to 2, ISO 7816, IrDA |
| I2C | Up to 2, SMBus/PMBus |
| USB | USB 2.0 crystal-less |
| Timers | 9 timers including 16-bit and ultra-low-power timers |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.) and low current consumption (e.g., 0.27 µA in Standby mode).
- Integrated LCD controller supporting up to 8 multiplexed LCDs with contrast independent of the supply voltage.
- Advanced communication interfaces including USB 2.0 crystal-less, SPI, USART, I2C, and a low-power UART.
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors).
- Rich analog peripherals including a 12-bit ADC, a 12-bit DAC, and ultra-low-power comparators).
- 7-channel DMA controller supporting various peripherals like ADC, SPI, I2C, USART, DAC, and timers).
- Internal clock sources including crystal oscillators, high-speed internal RC, and low-power RC oscillators).
- Pre-programmed bootloader and serial wire debug support for development).
Applications
- Low-power IoT devices and smart sensors.
- Portable and battery-powered devices requiring high energy efficiency.
- Industrial automation and control systems.
- Medical devices and healthcare equipment.
- Consumer electronics such as wearables and home appliances.
- Automotive systems, especially those requiring low power consumption and high reliability.
Q & A
- What is the core architecture of the STM32L053R8T6TR?
The core architecture is based on the Arm® 32-bit Cortex®-M0+ RISC core.
- What is the maximum operating frequency of the STM32L053R8T6TR?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L053R8T6TR?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the key low-power modes available in the STM32L053R8T6TR?
The device supports Standby, Stop, and other low-power modes to minimize energy consumption.
- Does the STM32L053R8T6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L053R8T6TR?
The device includes USB 2.0 crystal-less, SPI, USART, I2C, and a low-power UART.
- What is the temperature range for the STM32L053R8T6TR?
The operating temperature range is -40 to 125 °C.
- Does the STM32L053R8T6TR have an integrated LCD controller?
Yes, it has an integrated LCD controller that can drive up to 8 multiplexed LCDs.
- What are the memory specifications of the STM32L053R8T6TR?
The device has up to 64 Kbytes of Flash memory, 8 Kbytes of SRAM, and 2 Kbytes of data EEPROM.
- Is the STM32L053R8T6TR suitable for industrial applications?
Yes, it is suitable due to its low power consumption, high reliability, and wide operating temperature range.
