Overview
The STM32L053C6T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L053x6/8 series. It integrates the Arm® 32-bit Cortex®-M0+ core, operating at a frequency of up to 32 MHz. This MCU is designed for high power efficiency and features a wide range of peripherals and interfaces, including USB 2.0, LCD controller, and various communication interfaces. The device is suitable for applications requiring low power consumption and high performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Standby Mode Current | 0.27 μA (2 wakeup pins) |
| Stop Mode Current | 0.4 μA (16 wakeup lines), 0.8 μA with RTC + 8 KB RAM retention |
| Run Mode Current | 88 μA/MHz |
| Wakeup Time | 3.5 μs from RAM, 5 μs from Flash memory |
| Core | Arm® 32-bit Cortex®-M0+ with MPU |
| Clock Frequency | Up to 32 MHz |
| Memories | Up to 64 KB Flash, 8 KB RAM, 2 KB data EEPROM |
| 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, 2x USART, 1x UART (low power), up to 4x SPI, 2x I2C |
| Timers | 9 timers including 16-bit, ultra-low-power timer, RTC, and SysTick |
| Capacitive Sensing Channels | Up to 24 channels |
| Package | LQFP 48 7x7x1.4 mm, UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, etc.)
- High-performance Arm® 32-bit Cortex®-M0+ core with MPU
- Integrated LCD controller supporting up to 8x28 segments
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USART, UART, SPI, I2C
- Up to 24 capacitive sensing channels for touch sensing
- 7-channel DMA controller supporting various peripherals
- Internal voltage adaptation and multiple clock sources
- Ultra-safe, low-power BOR and POR/PDR
- Programmable voltage detector (PVD)
Applications
- Low-power IoT devices
- 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
- Automotive systems where low power is crucial
Q & A
- What is the power supply range of the STM32L053C6T6?
The power supply range is from 1.65 V to 3.6 V.
- What is the temperature range for the STM32L053C6T6?
The temperature range is from -40 to 125 °C.
- What are the standby and stop mode current consumptions?
The standby mode current is 0.27 μA (2 wakeup pins), and the stop mode current is 0.4 μA (16 wakeup lines) or 0.8 μA with RTC + 8 KB RAM retention.
- What is the maximum clock frequency of the STM32L053C6T6?
The maximum clock frequency is up to 32 MHz.
- What types of memory does the STM32L053C6T6 have?
The device has up to 64 KB Flash memory, 8 KB RAM, and 2 KB data EEPROM.
- What are the key analog peripherals of the STM32L053C6T6?
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 STM32L053C6T6?
The device features USB 2.0, two USARTs, one low-power UART, up to four SPIs, and two I2Cs.
- How many capacitive sensing channels does the STM32L053C6T6 support?
The device supports up to 24 capacitive sensing channels.
- What is the purpose of the integrated LCD controller?
The integrated LCD controller supports up to 8x28 segments and includes features like contrast adjustment and blinking mode.
- What are the package options for the STM32L053C6T6?
The device is available in LQFP 48 7x7x1.4 mm and UFQFPN 48 7x7x0.55 mm packages.
