Overview
The STM32L053R8H6D is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It is based on the Arm® Cortex®-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed for high power efficiency and features a comprehensive set of peripherals and interfaces, making it suitable for a wide range of low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ |
| Flash Memory | Up to 64 KB with ECC |
| RAM | 8 KB |
| Data EEPROM | 2 KB with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, internal high-speed and low-power RC oscillators |
| Timers | 9 timers including 16-bit, ultra-low-power, SysTick, RTC, and watchdogs |
| Communication Interfaces | USB 2.0 crystal-less, 2x USART, 1x UART (low power), up to 4x SPI, 2x I2C |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, 2 ultra-low-power comparators, up to 24 capacitive sensing channels |
| Package | TFBGA 64 5x5x1.2 P 0.5 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, etc.)
- High-performance Arm® Cortex®-M0+ core with MPU
- Rich set of peripherals including LCD driver, DMA controller, and advanced communication interfaces
- Integrated LCD controller with built-in LCD voltage generator
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and ultra-low-power POR/PDR
- Support for capacitive sensing with up to 24 channels
- CRC calculation unit and 96-bit unique ID
- True RNG and firewall protection
Applications
- Low-power IoT 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
- Touch sensing applications with capacitive sensing channels
Q & A
- What is the core architecture of the STM32L053R8H6D?
The STM32L053R8H6D is based on the Arm® Cortex®-M0+ 32-bit RISC core.
- What is the maximum flash memory available on this microcontroller?
Up to 64 KB of flash memory with ECC.
- What is the operating temperature range of the STM32L053R8H6D?
The operating temperature range is from -40 to 125 °C.
- What types of communication interfaces are supported by this microcontroller?
It supports USB 2.0 crystal-less, 2x USART, 1x UART (low power), up to 4x SPI, and 2x I2C.
- Does the STM32L053R8H6D have any analog peripherals?
Yes, it includes a 12-bit ADC, a 12-bit DAC, and 2 ultra-low-power comparators.
- What is the package type of the STM32L053R8H6D?
TFBGA 64 5x5x1.2 P 0.5 mm.
- What are the power-saving modes available on this microcontroller?
It includes Standby, Stop, and other low-power modes with very low current consumption.
- Does the STM32L053R8H6D support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What is the purpose of the integrated LCD controller?
The integrated LCD controller allows driving up to 8 multiplexed LCDs with contrast independent of the supply voltage.
- Are there any security features built into the STM32L053R8H6D?
Yes, it includes a true RNG and firewall protection.
