Overview
The STM32L071CBY6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It is based on 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 is suitable for a wide range of applications requiring low power consumption.
The device features extensive memory options, including up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM. It also includes a variety of peripherals and interfaces, such as multiple timers, watchdogs, and communication interfaces like I2C, SPI, and USART.
The STM32L071CBY6TR operates within a voltage range of 1.65 to 3.6 V and is available in a 49-pin UFBGA (Ultra Fine Pitch Ball Grid Array) package. It supports various low-power modes and has a comprehensive set of power-saving features, making it ideal for battery-powered devices and other low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit |
| Operating Frequency | Up to 32 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 20 KB |
| EEPROM Size | 6 KB |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| Package Type | 49-UFBGA, WLCSP |
| Number of I/Os | 37 |
| Connectivity | I²C, IrDA, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Data Converters | 13x12-bit ADC |
Key Features
- Ultra-Low Power Consumption: The STM32L071CBY6TR is designed to operate in various low-power modes, including Standby, Stop, and Sleep modes, making it highly efficient for battery-powered applications.
- High-Performance Core: Based on the Arm Cortex-M0+ 32-bit RISC core, operating at up to 32 MHz, providing high performance with low power consumption.
- Extensive Memory Options: Includes up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM with ECC.
- Advanced Communication Interfaces: Supports multiple communication interfaces such as up to three I2Cs, two SPIs, one I2S, four USARTs, and a low-power UART (LPUART).
- Analog Features: Features a 12-bit ADC with hardware oversampling, two ultra-low-power comparators, and multiple timers including a real-time clock (RTC) and a SysTick timer.
- Power Management: Includes ultra-safe, low-power BOR (brownout reset), ultra-low-power POR/PDR, and programmable voltage detector (PVD).
- Development Support: Supports serial wire debug and includes a pre-programmed bootloader for easy development and programming.
Applications
- Battery-Powered Devices: Ideal for applications requiring low power consumption, such as smart meters, fitness trackers, and other wearable devices.
- Industrial Automation: Suitable for industrial control systems, sensors, and actuators due to its robust set of peripherals and low power modes.
- Consumer Electronics: Used in various consumer electronics such as remote controls, home automation devices, and other low-power consumer products.
- Medical Devices: Can be used in medical devices that require low power consumption and high reliability, such as portable medical equipment and health monitoring devices.
- Automotive Systems: Suitable for automotive applications requiring low power and high reliability, such as in-car infotainment systems and vehicle sensors.
Q & A
- What is the core processor of the STM32L071CBY6TR?
The core processor is the ARM® Cortex®-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L071CBY6TR?
The maximum operating frequency is up to 32 MHz.
- What are the memory specifications of the STM32L071CBY6TR?
It includes up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM.
- What is the supply voltage range of the STM32L071CBY6TR?
The supply voltage range is from 1.65 V to 3.6 V.
- What are the key communication interfaces supported by the STM32L071CBY6TR?
It supports multiple communication interfaces such as I2C, SPI, I2S, and USART.
- What are the low-power modes available in the STM32L071CBY6TR?
The device supports various low-power modes including Standby, Stop, and Sleep modes.
- What is the package type of the STM32L071CBY6TR?
The package type is 49-UFBGA (Ultra Fine Pitch Ball Grid Array).
- What are the analog features of the STM32L071CBY6TR?
It features a 12-bit ADC with hardware oversampling and two ultra-low-power comparators.
- Does the STM32L071CBY6TR support serial wire debug?
Yes, it supports serial wire debug and includes a pre-programmed bootloader.
- What is the operating temperature range of the STM32L071CBY6TR?
The operating temperature range is from -40°C to 125°C.
