Overview
The STM32L071RZH6TR is a member of the STM32L0 series of ultra-low-power microcontrollers from STMicroelectronics. This device is based on the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. It is designed for low-power applications and features a comprehensive set of peripherals and interfaces, making it suitable for a wide range of uses.
The microcontroller includes high-speed embedded memories such as up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM. It also incorporates several low-power modes, including Standby, Stop, and Run modes, which enable the design of highly efficient battery-powered applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M0+ with MPU |
| Operating 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 |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| Package | 64-pin TFBGA (5x5 mm) |
| ADC Resolution | 12-bit, up to 16 channels |
| Timers | 11 timers including 4x 16-bit timers, 1x 16-bit ultra-low-power timer, 1x RTC, 1x SysTick, and 2x watchdogs |
| Communication Interfaces | Up to 3x I2C, 2x SPI, 1x I2S, 4x USART, 1x low-power UART (LPUART) |
Key Features
- Ultra-low-power platform: Features multiple low-power modes including Standby, Stop, and Run modes, with power consumption as low as 0.29 µA in Standby mode and 93 µA/MHz in Run mode.
- High-performance core: Arm 32-bit Cortex-M0+ core with a memory protection unit (MPU) and up to 32 MHz operating frequency.
- Rich analog peripherals: Includes a 12-bit ADC with hardware oversampling, two ultra-low-power comparators, and multiple timers.
- Extensive communication interfaces: Supports up to three I2Cs, two SPIs, one I2S, four USARTs, and a low-power UART.
- Power management: Features ultra-safe, low-power BOR (brownout reset), ultra-low-power POR/PDR, and programmable voltage detector (PVD).
- Development support: Includes serial wire debug support and a comprehensive development ecosystem.
Applications
- Wearable devices: Ideal for battery-powered wearable devices due to its ultra-low power consumption.
- Industrial automation: Suitable for industrial control and automation systems requiring low power and high reliability.
- Building automation: Used in building automation systems for energy-efficient and reliable control.
- Medical equipment: Applicable in medical devices that require low power and precise control.
- Consumer electronics: Used in various consumer electronics products that need efficient power management.
Q & A
- What is the core architecture of the STM32L071RZH6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+ with a memory protection unit (MPU).
- What is the maximum operating frequency of the STM32L071RZH6TR?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L071RZH6TR?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the key low-power modes of the STM32L071RZH6TR?
The key low-power modes include Standby, Stop, and Run modes, with specific power consumption levels for each mode.
- What types of communication interfaces does the STM32L071RZH6TR support?
The device supports up to three I2Cs, two SPIs, one I2S, four USARTs, and a low-power UART (LPUART).
- What is the temperature range for the STM32L071RZH6TR?
The operating temperature range is from -40°C to 125°C.
- What is the package type for the STM32L071RZH6TR?
The device is available in a 64-pin TFBGA (5x5 mm) package.
- Does the STM32L071RZH6TR have any specific power management features?
Yes, it features ultra-safe, low-power BOR (brownout reset), ultra-low-power POR/PDR, and a programmable voltage detector (PVD).
- What kind of development support does the STM32L071RZH6TR offer?
The device includes serial wire debug support and a comprehensive development ecosystem.
- What are some typical applications for the STM32L071RZH6TR?
Typical applications include wearable devices, industrial automation, building automation, medical equipment, and consumer electronics.
- Is the STM32L071RZH6TR RoHS compliant?
Yes, the device is RoHS3 compliant.
