Overview
The STM32L071CZY6TR 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 to provide high power efficiency and is suitable for a wide range of applications requiring low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| Maximum 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 |
| Temperature Range | -40 to +125 °C |
| Low-Power Modes | Standby: 0.29 µA (3 wakeup pins), Stop: 0.43 µA (16 wakeup lines), Stop + RTC + 20-Kbyte RAM retention: 0.86 µA |
| ADC | 12-bit, up to 16 channels, 1.14 Msps |
| Timers | 11 timers including 4x 16-bit with up to 4 channels, 1x 16-bit ultra-low-power timer, 1x RTC, 1x SysTick, 2x 16-bit basic, and 2x watchdogs |
| Communication Interfaces | Up to 3x I2C, 2x SPI, 1x I2S, 4x USART (2 with ISO 7816, IrDA), 1x low-power UART |
| Package | WLCSP 49 3.3x3.3x0.6 P 0.4 mm |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.)
- High-speed embedded memories: up to 192 Kbytes of Flash, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM
- Rich analog peripherals: 12-bit ADC, 2 ultra-low-power comparators, and multiple timers
- Extensive range of communication interfaces: I2C, SPI, I2S, USART, and low-power UART
- Real-time clock and backup registers
- Internal voltage adaptation and several clock sources
- Ultra-safe, low-power BOR (brownout reset) and PVD (programmable voltage detector)
- ECOPACK2 compliant packages
Applications
The STM32L071CZY6TR 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 where low power is critical
Q & A
- What is the core architecture of the STM32L071CZY6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+ RISC core. - What is the maximum operating frequency of the STM32L071CZY6TR?
The maximum operating frequency is up to 32 MHz. - What are the memory specifications of the STM32L071CZY6TR?
It includes up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM. - What is the power supply range for the STM32L071CZY6TR?
The power supply range is from 1.65 V to 3.6 V. - What are the low-power modes available in the STM32L071CZY6TR?
The available low-power modes include Standby, Stop, and Stop + RTC + 20-Kbyte RAM retention. - What analog peripherals are available on the STM32L071CZY6TR?
The device features a 12-bit ADC, two ultra-low-power comparators, and multiple timers. - What communication interfaces does the STM32L071CZY6TR support?
It supports up to three I2C interfaces, two SPI interfaces, one I2S interface, four USART interfaces, and one low-power UART. - What is the package type for the STM32L071CZY6TR?
The package type is WLCSP 49 3.3x3.3x0.6 P 0.4 mm. - Is the STM32L071CZY6TR ECOPACK2 compliant?
Yes, the STM32L071CZY6TR is ECOPACK2 compliant. - What is the temperature range for the STM32L071CZY6TR?
The operating temperature range is from -40 to +125 °C.
