Overview
The STM32L072RBI6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It integrates the high-performance 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 wide range of enhanced I/Os and peripherals. It includes advanced communication interfaces, extensive analog capabilities, and multiple power-saving modes, making it suitable for a variety of low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes with ECC (2 banks with read-while-write capability) |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +125 °C |
| Low-Power Modes | Standby, Stop, and low-power modes (e.g., 0.29 µA in Standby mode) |
| Analog Features | 12-bit ADC, 2x 12-bit DACs, 2 ultra-low-power comparators |
| Communication Interfaces | Up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, 1 low-power UART, crystal-less USB 2.0 |
| Timers | 11 timers including 16-bit and ultra-low-power timers, RTC, and SysTick |
| Capacitive Sensing Channels | Up to 24 channels |
| Package Options | TFBGA 64, UFBGA 64, LQFP 64 |
Key Features
- Ultra-low-power platform: Offers high power efficiency with multiple low-power modes.
- Advanced Analog Peripherals: Includes a 12-bit ADC, two 12-bit DACs, and two ultra-low-power comparators.
- Extensive Communication Interfaces: Supports up to three I2Cs, two SPIs, one I2S, four USARTs, a low-power UART, and a crystal-less USB 2.0.
- Capacitive Sensing: Up to 24 capacitive sensing channels for touch sensing functionality.
- Timers and Clocks: Features 11 timers, including 16-bit and ultra-low-power timers, an RTC, and a SysTick.
- Memory Protection: Includes a memory protection unit (MPU) and sector protection against R/W operations.
- Reset and Supply Management: Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and programmable voltage detector (PVD).
Applications
- Low-Power IoT Devices: Ideal for battery-powered IoT devices requiring low energy consumption.
- Industrial Automation: Suitable for industrial control systems, PLCs, and inverters.
- Consumer Electronics: Used in hand-held equipment, A/V receivers, digital TV, PC peripherals, and gaming platforms.
- Medical Devices: Can be used in medical devices that require low power consumption and high reliability.
- Automotive Systems: Applicable in automotive systems such as GPS platforms and vehicle control units.
Q & A
- What is the core architecture of the STM32L072RBI6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+.
- What is the maximum operating frequency of the STM32L072RBI6TR?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L072RBI6TR?
The power supply voltage ranges from 1.65 V to 3.6 V.
- What are the low-power modes available in the STM32L072RBI6TR?
The available low-power modes include Standby, Stop, and other low-power modes.
- What analog features does the STM32L072RBI6TR include?
It includes a 12-bit ADC, two 12-bit DACs, and two ultra-low-power comparators.
- What communication interfaces are supported by the STM32L072RBI6TR?
It supports up to three I2Cs, two SPIs, one I2S, four USARTs, a low-power UART, and a crystal-less USB 2.0.
- How many capacitive sensing channels does the STM32L072RBI6TR offer?
It offers up to 24 capacitive sensing channels.
- What are the package options available for the STM32L072RBI6TR?
The package options include TFBGA 64, UFBGA 64, and LQFP 64.
- What is the temperature range for the STM32L072RBI6TR?
The operating temperature range is from -40 to +125 °C.
- Does the STM32L072RBI6TR have any memory protection features?
Yes, it includes a memory protection unit (MPU) and sector protection against R/W operations.
