Overview
The STM32L071KZU6 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 frequency of up to 32 MHz. This microcontroller is designed for high power efficiency and features a range of enhanced I/Os and peripherals, making it suitable for a wide range of low-power applications.
The device includes high-speed embedded memories such as up to 192 Kbytes of Flash program memory, 6 Kbytes of data EEPROM, and 20 Kbytes of RAM. It also features a real-time clock, backup registers, and various low-power modes to minimize energy consumption.
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: 0.29 µA, Stop: 0.43 µA, Stop + RTC + 20-Kbyte RAM retention: 0.86 µA |
| Wakeup Time | 5 µs from Flash memory |
| ADC Conversion | 41 µA at 10 ksps |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| Communication Interfaces | Up to three I2Cs, two SPIs, one I2S, four USARTs, one low-power UART (LPUART) |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.)
- High-performance Arm Cortex-M0+ core with MPU
- High-speed embedded memories: up to 192 Kbytes Flash, 6 Kbytes data EEPROM, 20 Kbytes RAM
- Rich analog peripherals: 12-bit ADC, ultra-low-power comparators, timers (including LPTIM and RTC)
- Extensive range of communication interfaces: I2C, SPI, I2S, USART, LPUART
- Real-time clock and backup registers
- Ultra-safe, low-power BOR (brownout reset) and PVD (programmable voltage detector)
- Support for serial wire debug and pre-programmed bootloader
- All packages are ECOPACK2 compliant
Applications
The STM32L071KZU6 is suitable for a variety of low-power applications, including:
- IoT devices and smart sensors
- Wearable electronics and health monitors
- Industrial automation and control systems
- Consumer electronics requiring low power consumption
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L071KZU6?
The STM32L071KZU6 features an Arm 32-bit Cortex-M0+ core.
- What is the maximum frequency of the STM32L071KZU6?
The maximum frequency is up to 32 MHz.
- How much Flash memory does the STM32L071KZU6 have?
It has up to 192 Kbytes of Flash memory with ECC.
- What are the power supply voltage ranges for the STM32L071KZU6?
The device operates from 1.65 V to 3.6 V (down to 1.65 V at power down).
- What are the low-power modes available on the STM32L071KZU6?
The device features Standby, Stop, and Stop + RTC + 20-Kbyte RAM retention modes.
- How many communication interfaces does the STM32L071KZU6 support?
It supports up to three I2Cs, two SPIs, one I2S, four USARTs, and one low-power UART (LPUART).
- Does the STM32L071KZU6 have a real-time clock?
Yes, it includes a real-time clock and backup registers.
- What is the temperature range for the STM32L071KZU6?
The operating temperature range is -40 to +125 °C.
- Is the STM32L071KZU6 compliant with any environmental standards?
Yes, all packages are ECOPACK2 compliant.
- What kind of development support does the STM32L071KZU6 offer?
The device supports serial wire debug and has a pre-programmed bootloader.
