Overview
The STM32G474RET6 is a 32-bit microcontroller from STMicroelectronics, based on the Arm® Cortex®-M4 core. This microcontroller is part of the STM32G4 series and is packaged in a 64-pin LQFP (Low Profile Quad Flat Package). It is designed to provide high performance and advanced features, making it suitable for a wide range of applications, including digital power solutions, motor control, and advanced signal processing.
The device is supported by comprehensive development tools such as the B-G474E-DPOW1 Discovery kit, which includes a USB-PD 3.0 interface, a buck-boost converter, and a class-D audio amplifier, among other features. This kit facilitates the development and demonstration of digital power applications and other complex projects.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® Cortex®-M4 32-bit RISC |
| Operating Frequency | Up to 170 MHz |
| Flash Memory | 512 Kbytes |
| SRAM | 128 Kbytes |
| Package | 64-pin LQFP |
| Voltage Range | 1.71 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| ADCs | Five 12-bit ADCs (4 Msps) |
| DACs | Seven DAC channels (3 external, 4 internal) |
| Timers | Eleven 16-bit timers, two 32-bit timers |
| Communication Interfaces | Four I2Cs, four SPIs, three USARTs, two UARTs, three FDCANs, one SAI, USB device |
| Integrated Peripherals | Six operational amplifiers, seven comparators, low-power RTC, high-resolution timer |
Key Features
- Arm® Cortex®-M4 Core: Features a single-precision floating-point unit (FPU) and supports all Arm single-precision data-processing instructions and DSP instructions.
- Memory and Storage: 512 Kbytes of Flash memory and 128 Kbytes of SRAM, along with a flexible external memory controller and Quad-SPI Flash memory interface.
- Math Accelerator Functions: Includes CORDIC for trigonometric functions and FMAC unit for filter functions.
- Communication Interfaces: Four I2Cs, four SPIs multiplexed with two half-duplex I2Ss, three USARTs, two UARTs, one low-power UART, three FDCANs, and one SAI.
- Analog Peripherals: Five fast 12-bit ADCs, seven DAC channels, six operational amplifiers, and seven comparators.
- Timers and Counters: Eleven 16-bit timers, two 32-bit timers, and a high-resolution timer with 184 ps resolution.
- Power Management: Supports various power supply options including ST-LINK, USB VBUS, or external sources.
- Development Tools: Supported by the B-G474E-DPOW1 Discovery kit and the STM32CubeG4 MCU Package with comprehensive free software libraries and examples).
Applications
- Digital Power Solutions: Suitable for applications such as RGB power LED lighting, class-D audio amplifiers, and buck-boost converters).
- Motor Control: Features advanced motor control timers and interfaces, making it ideal for motor control applications).
- Signal Processing: With its DSP instructions and high-speed ADCs, it is suitable for advanced signal processing tasks).
- Industrial Automation: Can be used in various industrial automation applications due to its robust communication interfaces and peripheral set).
- Consumer Electronics: Applicable in consumer electronics requiring high performance and low power consumption, such as audio devices and smart home appliances).
Q & A
- What is the core architecture of the STM32G474RET6?
The STM32G474RET6 is based on the Arm® Cortex®-M4 32-bit RISC core).
- How much Flash memory and SRAM does the STM32G474RET6 have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM).
- What are the key communication interfaces available on the STM32G474RET6?
The device features four I2Cs, four SPIs, three USARTs, two UARTs, three FDCANs, and one SAI).
- What are the power supply options for the STM32G474RET6?
The device can be powered from ST-LINK, USB VBUS, or external sources).
- What development tools are available for the STM32G474RET6?
The device is supported by the B-G474E-DPOW1 Discovery kit and the STM32CubeG4 MCU Package with comprehensive free software libraries and examples).
- What are some of the analog peripherals available on the STM32G474RET6?
The device includes five fast 12-bit ADCs, seven DAC channels, six operational amplifiers, and seven comparators).
- What is the operating frequency of the STM32G474RET6?
The device operates at a frequency of up to 170 MHz).
- What is the temperature range for the STM32G474RET6?
The operating temperature range is from -40°C to 85°C).
- Does the STM32G474RET6 support motor control applications?
Yes, it features advanced motor control timers and interfaces, making it ideal for motor control applications).
- What are some typical applications for the STM32G474RET6?
Typical applications include digital power solutions, motor control, signal processing, industrial automation, and consumer electronics).
