Overview
The STM32L471RGT6 is a microcontroller unit (MCU) from STMicroelectronics, part of the STM32L4 series. This ultra-low-power MCU is based on the Arm® Cortex®-M4 32-bit processor with a floating-point unit (FPU), making it highly efficient for a wide range of applications. The device is designed to offer high performance, low power consumption, and advanced peripherals, making it suitable for IoT, industrial, and consumer electronics.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Maximum Clock Frequency | 80 MHz |
| Program Memory Size | Up to 1 MB Flash |
| Data Memory Size | Up to 128 KB SRAM |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature Range | -40 °C to 85 °C |
| ADC Resolution | 3 x 12-bit ADC |
| DAC Channels | 2 x 12-bit DAC output channels |
| Communication Interfaces | USART, I2C, SPI, CAN, SDMMC, etc. |
| Package Type | LQFP-64 (10x10 mm) |
Key Features
- Ultra-low-power with FlexPowerControl, including modes like VBAT, Shutdown, Standby, and Stop 2 modes.
- Adaptive real-time accelerator (ART Accelerator™) for 0-wait-state execution from Flash memory.
- Rich analog peripherals including 3x 12-bit ADCs, 2x 12-bit DACs, operational amplifiers, and comparators.
- Multiple communication interfaces such as USART, I2C, SPI, CAN, and SDMMC.
- Real-time clock (RTC) with hardware calendar, alarms, and calibration.
- True random number generator and CRC calculation unit.
- Development support with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
Applications
- Internet of Things (IoT) devices
- Industrial automation and control systems
- Consumer electronics such as smart home devices and wearables
- Medical devices requiring low power consumption and high performance
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L471RGT6?
The STM32L471RGT6 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum clock frequency of the STM32L471RGT6?
The maximum clock frequency is 80 MHz.
- What is the power supply voltage range for the STM32L471RGT6?
The power supply voltage range is from 1.71 V to 3.6 V.
- What are the key low-power modes of the STM32L471RGT6?
The key low-power modes include VBAT, Shutdown, Standby, and Stop 2 modes.
- What types of communication interfaces are available on the STM32L471RGT6?
The device includes USART, I2C, SPI, CAN, SDMMC, and other communication interfaces.
- Does the STM32L471RGT6 have any specific features for analog signal processing?
Yes, it includes 3x 12-bit ADCs, 2x 12-bit DACs, operational amplifiers, and comparators.
- What is the package type of the STM32L471RGT6?
The package type is LQFP-64 (10x10 mm).
- Does the STM32L471RGT6 support real-time clock functionality?
Yes, it includes a real-time clock (RTC) with hardware calendar, alarms, and calibration.
- What development tools are supported by the STM32L471RGT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- Is the STM32L471RGT6 suitable for IoT applications?
Yes, it is highly suitable for IoT applications due to its ultra-low-power consumption and advanced peripherals.
