Overview
The STM32L475RGT6 is a member of the STM32L475xx family of ultra-low-power microcontrollers from STMicroelectronics. This device is based on the Arm® Cortex®-M4 32-bit processor with a floating-point unit (FPU), offering high performance and low power consumption. The STM32L475RGT6 is designed for applications requiring high processing capabilities, low energy consumption, and a wide range of peripherals.
With its advanced power management features, including multiple low-power modes and a flexible power control system, this MCU is ideal for battery-powered devices and other energy-sensitive applications. The device also features a rich set of peripherals, including analog, digital, and communication interfaces, making it versatile for various use cases.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Performance | 100 DMIPS, 1.25 DMIPS/MHz (Drystone 2.1), 273.55 CoreMark® |
| Memory | Up to 1 MB Flash, 128 KB SRAM |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/105/125 °C |
| Low-Power Modes | 300 nA in VBAT mode, 30 nA Shutdown mode, 120 nA Standby mode, 1.1 µA Stop 2 mode |
| Clock Sources | 4 to 48 MHz crystal oscillator, 32 kHz crystal oscillator for RTC, internal 16 MHz RC oscillator |
| Peripherals | Up to 114 fast I/Os, RTC, up to 21 capacitive sensing channels, 16x timers, 20x communication interfaces |
| Analog Peripherals | 3x 12-bit ADC, 2x 12-bit DAC, 2x operational amplifiers, 2x ultra-low-power comparators |
Key Features
- Ultra-Low Power Consumption: Multiple low-power modes including VBAT, Shutdown, Standby, and Stop 2 modes.
- High Performance: Arm® Cortex®-M4 CPU with FPU, up to 80 MHz, and adaptive real-time accelerator (ART Accelerator™).
- Rich Peripherals: Includes RTC, up to 21 capacitive sensing channels, 16x timers, and 20x communication interfaces.
- Analog Capabilities: 3x 12-bit ADC, 2x 12-bit DAC, 2x operational amplifiers, and 2x ultra-low-power comparators.
- Memory and Storage: Up to 1 MB Flash, 128 KB SRAM, and external memory interface for static memories.
- Development Support: Serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- Environmental Robustness: Operating temperature range from -40 °C to 85/105/125 °C.
Applications
- IoT Devices: Ideal for Internet of Things applications requiring low power consumption and high processing capabilities.
- Industrial Automation: Suitable for industrial control systems, sensors, and actuators due to its robust peripherals and low power modes.
- Medical Devices: Can be used in medical devices that require precise analog measurements and low power consumption.
- Consumer Electronics: Applicable in various consumer electronics such as smart home devices, wearables, and portable electronics.
- Automotive Systems: Suitable for automotive applications requiring high reliability and low power consumption.
Q & A
- What is the core processor of the STM32L475RGT6?
The core processor is the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum frequency of the STM32L475RGT6?
The maximum frequency is up to 80 MHz.
- What are the low-power modes available in the STM32L475RGT6?
The device features VBAT, Shutdown, Standby, and Stop 2 modes among others.
- What is the temperature range of the STM32L475RGT6?
The operating temperature range is from -40 °C to 85/105/125 °C.
- What types of analog peripherals are available on the STM32L475RGT6?
The device includes 3x 12-bit ADC, 2x 12-bit DAC, 2x operational amplifiers, and 2x ultra-low-power comparators.
- Does the STM32L475RGT6 support external memory interfaces?
- What communication interfaces are available on the STM32L475RGT6?
The device includes USB OTG 2.0, SAIs, I2C, USARTs, LPUART, SPIs, CAN, and SDMMC interface.
- Is the STM32L475RGT6 suitable for IoT applications?
- What development tools are supported by the STM32L475RGT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- Is the STM32L475RGT6 environmentally robust?
