Overview
The STM32G473QET6 is a high-performance microcontroller from STMicroelectronics, part of the STM32G4 series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz with a single-precision floating-point unit (FPU) and DSP instructions. This microcontroller is designed to provide advanced features and robust performance, making it suitable for a wide range of applications, including industrial control, medical devices, and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Device Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Operating Frequency | Up to 170 MHz |
| Program Memory Size | 512 KB Flash memory |
| RAM Memory Size | 128 KB SRAM |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Operating Temperature Range | -40°C to 85°C |
| Number of Pins | 128 pins |
| Number of I/Os | 107 I/Os |
| ADC Channels | 42 channels, 12-bit resolution |
| DAC Channels | 7 channels, 12-bit resolution |
| Timers | 14 timers (including 2 x 32-bit, 11 x 16-bit) |
| Communication Interfaces | CAN, I2C, I2S, SAI, SPI, UART, USART, USB |
| Package Type | LQFP128 |
Key Features
- Includes ST state-of-the-art patented technology such as the Adaptive real-time accelerator (ART Accelerator) for 0-wait-state execution from Flash memory.
- Mathematical hardware accelerators: CORDIC for trigonometric functions and FMAC for filter functions.
- High-speed memories: up to 512 Kbytes of Flash memory with ECC support and 128 Kbytes of SRAM with hardware parity check.
- External memory interface for static memories (FSMC) and Quad-SPI flash memory interface.
- Advanced analog peripherals: 5 fast 12-bit ADCs, 7 DAC channels, 7 ultra-fast rail-to-rail analog comparators, and 6 operational amplifiers.
- Extensive range of communication interfaces: four I2Cs, four SPIs, three USARTs, two UARTs, one low-power UART, three FDCANs, one SAI, and USB device.
- Low-power modes: sleep, stop, standby, and shutdown with VBAT supply for RTC and backup registers.
- Internal voltage reference buffer (VREFBUF) supporting three output voltages.
- Calendar RTC with alarm and periodic wakeup from stop/standby.
- True random number generator (RNG) and CRC calculation unit.
Applications
- Industrial control systems: motor control, power management, and automation.
- Medical devices: diagnostic equipment, patient monitoring systems, and medical imaging.
- Consumer electronics: smart home devices, wearables, and IoT applications.
- Automotive systems: infotainment, driver assistance, and vehicle control systems.
- Aerospace and defense: avionics, navigation, and communication systems.
Q & A
- What is the core of the STM32G473QET6 microcontroller?
The core is the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and DSP instructions.
- What is the maximum operating frequency of the STM32G473QET6?
The maximum operating frequency is up to 170 MHz.
- How much Flash and SRAM memory does the STM32G473QET6 have?
The STM32G473QET6 has 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What are the supply voltage and operating temperature ranges of the STM32G473QET6?
The supply voltage range is 1.71 V to 3.6 V, and the operating temperature range is -40°C to 85°C.
- What communication interfaces are available on the STM32G473QET6?
The microcontroller features CAN, I2C, I2S, SAI, SPI, UART, USART, and USB interfaces.
- Does the STM32G473QET6 support low-power modes?
Yes, it supports sleep, stop, standby, and shutdown modes with VBAT supply for RTC and backup registers.
- What kind of analog peripherals are available on the STM32G473QET6?
The microcontroller includes 5 fast 12-bit ADCs, 7 DAC channels, 7 ultra-fast rail-to-rail analog comparators, and 6 operational amplifiers.
- Does the STM32G473QET6 have any mathematical hardware accelerators?
Yes, it includes CORDIC for trigonometric functions and FMAC for filter functions.
- What is the package type of the STM32G473QET6?
The package type is LQFP128.
- Is the STM32G473QET6 RoHS compliant?
Yes, the STM32G473QET6 is RoHS compliant.
