Overview
The STM32L071CZT6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32L0 series. It is designed for low-power applications and features an ARM Cortex-M0+ core operating at a maximum clock speed of 32 MHz. This microcontroller is equipped with 192 KB of Flash memory and 20 KB of RAM, making it suitable for a wide range of applications that require a balance between performance and power efficiency. The STM32L071CZT6 supports multiple power modes and includes various communication interfaces such as SPI, I2C, USART, and USB, along with rich analog peripherals like a 12-bit ADC with up to 13 channels.
Key Specifications
| Attribute | Value |
|---|---|
| Family Name | STM32L0 |
| Package Type | LQFP-48 |
| Mounting Type | Surface Mount |
| Pin Count | 48 |
| Device Core | ARM Cortex M0+ |
| Data Bus Width | 32-bit |
| Program Memory Size | 192 kB Flash |
| Maximum Frequency | 32 MHz |
| RAM Size | 20 kB |
| Number of SPI Channels | 4 |
| Number of UART Channels | 1 |
| Number of I2C Channels | 3 |
| Number of USART Channels | 4 |
| Typical Operating Supply Voltage | 1.8 V to 3.6 V |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Number of ADC Units | 1 (13-ch x 12-bit) |
| Watchdog Timers | 2 |
| Number of Timers | 7 (including 4 general-purpose 16-bit timers and 2 basic timers) |
Key Features
- ARM Cortex-M0+ 32-bit low-power core with a maximum clock speed of 32 MHz
- 192 KB of Flash memory with ECC (2 banks with read-while-write capability)
- 20 KB of SRAM and 6 KB of data EEPROM with ECC
- Ultra-low-power operation with multiple low-power modes
- Multiple communication interfaces: SPI, I2C, USART, and USB
- Rich analog peripherals including a 12-bit ADC with up to 13 channels
- Secure firmware update capability
- High-performance analog peripherals
- Two ultra-low-power comparators and several timers (including LPTIM, general-purpose 16-bit timers, and basic timers)
- RTC and SysTick timer
Applications
The STM32L071CZT6 is targeted at various low-power applications, including:
- Sensor interfacing and data acquisition systems
- Industrial automation and control systems
- Consumer electronics requiring low power consumption
- Medical devices and health monitoring systems
- IoT devices and smart home applications
Q & A
- What is the core processor of the STM32L071CZT6?
The core processor is an ARM Cortex-M0+ 32-bit low-power core.
- How much Flash memory does the STM32L071CZT6 have?
The STM32L071CZT6 has 192 KB of Flash memory.
- What is the maximum clock speed of the STM32L071CZT6?
The maximum clock speed is 32 MHz.
- What are the typical operating supply voltage ranges for the STM32L071CZT6?
The typical operating supply voltage ranges from 1.8 V to 3.6 V.
- How many ADC channels does the STM32L071CZT6 have?
The STM32L071CZT6 has a 12-bit ADC with up to 13 channels.
- What are the operating temperature ranges for the STM32L071CZT6?
The operating temperature ranges from -40°C to +85°C.
- Does the STM32L071CZT6 support secure firmware updates?
Yes, it supports secure firmware updates.
- What types of communication interfaces are available on the STM32L071CZT6?
The available communication interfaces include SPI, I2C, USART, and USB.
- How many timers does the STM32L071CZT6 have?
The STM32L071CZT6 has 7 timers, including 4 general-purpose 16-bit timers and 2 basic timers.
- What is the package type of the STM32L071CZT6?
The package type is LQFP-48.
- Is the STM32L071CZT6 suitable for low-power applications?
Yes, it is specifically designed for ultra-low-power applications.
