Product Overview
The STM32L053C8T6 is a high-performance 32-bit microcontroller from STMicroelectronics, featuring ARM Cortex-M0+ 32-bit RISC (ultra-low-power). The device integrates 64 KB of Flash memory and 8 KB (with ECC) + 2KB EEPROM of SRAM, providing extensive memory resources for demanding embedded applications. Housed in a LQFP-48 package with 37 (up to 36 fast I/Os) I/O pins, this MCU offers an exceptional combination of processing power, peripheral integration, and power efficiency. The device operates from 1.65V to 3.6V and supports industrial temperature range of -40°C to +125°C.
Key Specifications
| Core | ARM Cortex-M0+ 32-bit RISC (ultra-low-power) |
| Maximum Frequency | 32 MHz |
| Flash Memory | 64 KB |
| SRAM | 8 KB (with ECC) + 2KB EEPROM |
| Package | LQFP-48 |
| Operating Voltage | 1.65V to 3.6V |
| Operating Temperature | -40°C to +125°C |
| I/O Pins | 37 (up to 36 fast I/Os) |
| 1x 12-bit ADC | up to 16 channels, hardware oversampling, 16-bit max resolution |
| DAC | 2x 12-bit with output buffer, DMA capable |
| DMA | 7-channel DMA controller with flexible mapping |
| Timers | Up to 11: 3x 16-bit GP, 2x 16-bit low-power, 1x SysTick, 2x WDT, 1x RTC, 2x LPTIM |
| USART/UART | 2x USART + 1x LPUART (LIN, IrDA, auto baud rate, ISO 7816) |
| SPI/I2S | 2x SPI (up to 16 Mbit/s) |
| I2C | 2x I2C (1x FM+ 1Mbit/s, 1x standard/smbus) |
| USB | USB 2.0 Full Speed Device/Host/OTG with on-chip PHY (crystal-less) |
| Other Peripherals | 2KB EEPROM + CRC + True RNG + RTC calendar + Capacitive sensing (24 ch) + LCD controller (8×20 or 4×24) + 2x Comparators + 2x Op-Amp + temperature sensor |
| Performance | ~32 DMIPS (Cortex-M0+) |
Features
- High-performance ARM core with FPU and DSP: ~32 DMIPS (Cortex-M0+) performance
- Efficient memory architecture with low-power design
- Rich analog subsystem: 1x 12-bit ADC, 2x 12-bit with output buffer, DMA capable
- Multiple DMA controllers for autonomous data transfers
- Advanced timers including motor control PWM, high-resolution timer, low-power timers
- Extensive communication: 2x I2C (1x FM+ 1Mbit/s, 1x standard/smbus), 2x USART + 1x LPUART, 2x SPI
- Ultra-low-power modes for battery operation
- LCD controller and capacitive sensing for user interfaces
- Industrial temperature range, RoHS compliant, ECOPACK2 packaging
Applications
- USB-connected low-power sensors and data loggers
- Wearable devices with USB charging
- IoT nodes with USB connectivity
- Smart accessories and USB peripherals
- Portable medical devices with USB interface
- Industrial USB dongles and adapters
- Consumer electronics with USB FS
- Battery-powered devices requiring USB OTG
- Home automation USB gateway modules
- Educational and prototyping platforms