Overview
The STM32L053C8T7 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It is based on the Arm® 32-bit Cortex®-M0+ core and is designed for applications requiring high performance and low power consumption. This MCU integrates a range of peripherals and interfaces, including USB, LCD, ADC, DAC, and various communication interfaces, making it suitable for a wide range of applications such as IoT devices, industrial control, and consumer electronics.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ with MPU |
| 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 KB with ECC |
| RAM | 8 KB |
| Data EEPROM | 2 KB with ECC |
| Backup Register | 20 bytes |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| Low-Power Modes | Standby: 0.27 μA, Stop: 0.4 μA, Stop + RTC + 8 KB RAM retention: 0.8 μA |
| Wakeup Time | 3.5 μs from RAM, 5 μs from Flash memory |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, internal RC oscillators |
| Communication Interfaces | USB 2.0 crystal-less, 2x USART, 2x SPI, 2x I2C, 1x I2S, 1x LPUART |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, 2 ultra-low-power comparators, capacitive sensing channels |
| Timers | 3x 16-bit timers, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, 2x watchdogs |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, etc.)
- High-performance Arm® 32-bit Cortex®-M0+ core with MPU
- High-speed embedded memories: up to 64 KB Flash, 8 KB RAM, 2 KB data EEPROM
- Extensive range of peripherals: ADC, DAC, comparators, timers, RTC, and watchdogs
- Advanced communication interfaces: USB 2.0 crystal-less, USART, SPI, I2C, I2S, and LPUART
- Integrated LCD controller with LCD voltage generator for up to 8 multiplexed LCDs
- Capacitive sensing channels for touch sensing functionality
- Ultra-safe, low-power BOR and PVD, and programmable voltage detector
- Serial wire debug supported and pre-programmed bootloader
Applications
The STM32L053C8T7 is versatile and can be used in a variety of applications, including:
- Internet of Things (IoT) devices
- Industrial control systems
- Consumer electronics
- Medical devices
- Automotive systems
- Smart home devices
Q & A
- What is the core architecture of the STM32L053C8T7?
The core is based on the Arm® 32-bit Cortex®-M0+ with a Memory Protection Unit (MPU). - What is the operating voltage range of the STM32L053C8T7?
The operating voltage range is from 1.65 V to 3.6 V. - What are the low-power modes available on the STM32L053C8T7?
The device supports Standby, Stop, and Stop + RTC + 8 KB RAM retention modes, among others. - What are the key communication interfaces available on this MCU?
The key interfaces include USB 2.0 crystal-less, USART, SPI, I2C, I2S, and LPUART. - Does the STM32L053C8T7 support touch sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors. - What is the maximum frequency of the CPU?
The CPU can operate up to 32 MHz. - What are the memory specifications of the STM32L053C8T7?
The device has up to 64 KB Flash memory, 8 KB RAM, and 2 KB data EEPROM. - Is the STM32L053C8T7 suitable for industrial applications?
Yes, it is suitable due to its wide temperature range (-40 to 125 °C) and robust peripherals. - Does the STM32L053C8T7 have an integrated LCD controller?
Yes, it has an integrated LCD controller with an LCD voltage generator. - What are the power consumption figures for the low-power modes?
The power consumption is 0.27 μA in Standby mode, 0.4 μA in Stop mode, and 0.8 μA in Stop mode + RTC + 8 KB RAM retention.
