Overview
The STM32L071RZT6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It incorporates the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a maximum frequency of 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 memory protection unit (MPU) and sector protection against R/W operations.
The STM32L071RZT6TR offers a comprehensive set of peripherals and interfaces, including multiple timers, watchdogs, and communication interfaces such as USART, SPI, I2C, and I2S. The device operates within a temperature range of -40 to +125 °C and supports various low-power modes to minimize energy consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| Maximum Clock Frequency | 32 MHz |
| Flash Memory | Up to 192 Kbytes |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes |
| Backup Register | 20 bytes |
| I/Os | Up to 84 fast I/Os (51 high current) |
| ADC Resolution | 12-bit |
| ADC Channels | Up to 16 channels |
| Timers | 11 timers (including 4x 16-bit, 2x 16-bit basic, 1x 16-bit ultra-low-power, 1x SysTick, 1x RTC, 2x watchdogs) |
| Communication Interfaces | Up to 3x I2C, 2x SPI, 1x I2S, 4x USART (including 1x low-power UART) |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to +125 °C |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.)
- High-performance Arm Cortex-M0+ 32-bit RISC core with MPU
- High-speed embedded memories: up to 192 Kbytes of Flash, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM
- Extensive range of enhanced I/Os and peripherals
- Rich analog peripherals: 12-bit ADC, ultra-low-power comparators, timers, and RTC
- Multiple communication interfaces: I2C, SPI, I2S, USART, and low-power UART
- Ultra-safe, low-power BOR (brownout reset) and PVD (programmable voltage detector)
- Internal and external clock sources, including crystal oscillators and internal RC oscillators
- Pre-programmed bootloader and serial wire debug support
- All packages are ECOPACK2 compliant
Applications
The STM32L071RZT6TR is suitable for a variety of low-power applications, including:
- Industrial automation and control systems
- IoT devices and smart sensors
- Medical devices requiring low power consumption
- Consumer electronics with battery-powered designs
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L071RZT6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+ RISC core.
- What is the maximum clock frequency of the STM32L071RZT6TR?
The maximum clock frequency is 32 MHz.
- How much Flash memory does the STM32L071RZT6TR have?
It has up to 192 Kbytes of Flash program memory.
- What are the low-power modes available on the STM32L071RZT6TR?
The device supports Standby, Stop, and other low-power modes to minimize energy consumption.
- What is the temperature range for the STM32L071RZT6TR?
The operating temperature range is -40 to +125 °C.
- What communication interfaces are available on the STM32L071RZT6TR?
The device includes I2C, SPI, I2S, USART, and a low-power UART.
- Does the STM32L071RZT6TR support serial wire debug?
Yes, it supports serial wire debug.
- What is the package type for the STM32L071RZT6TR?
The package type is LQFP 64 10x10x1.4 mm.
- Is the STM32L071RZT6TR ECOPACK2 compliant?
Yes, all packages are ECOPACK2 compliant.
- What are some typical applications for the STM32L071RZT6TR?
Typical applications include industrial automation, IoT devices, medical devices, consumer electronics, and automotive systems.
