Overview
The STM32G473RET6 is a high-performance microcontroller from STMicroelectronics, part of the STM32G473xB/xC/xE family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz with 213 DMIPS. This device is equipped with a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU) to enhance application security. The STM32G473RET6 is designed for a wide range of applications requiring high computational power, advanced analog capabilities, and robust communication interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 170 MHz |
| Flash Memory | 512 Kbytes with ECC support, two banks read-while-write, PCROP, securable memory area, 1 Kbyte OTP |
| SRAM | 96 Kbytes with hardware parity check on the first 32 Kbytes, 32 Kbytes of CCM SRAM |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction) |
| ADCs | 5 x 12-bit ADCs, up to 42 channels, resolution up to 16-bit with hardware oversampling |
| DACs | 7 x 12-bit DAC channels, 3 external and 4 internal |
| Timers | 14 timers including 2 x 32-bit, 11 x 16-bit, and 1 x low-power timer |
| Communication Interfaces | 3 x FDCAN, 4 x I2C, 5 x USART/UART, 4 x SPI, 1 x SAI, USB 2.0 full-speed |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU and DSP instructions
- Mathematical hardware accelerators: CORDIC for trigonometric functions and FMAC for filter functions
- Advanced analog peripherals: 5 x 12-bit ADCs, 7 x 12-bit DAC channels, 7 x ultra-fast rail-to-rail analog comparators, 6 x operational amplifiers
- Extensive range of communication interfaces: FDCAN, I2C, USART/UART, SPI, SAI, USB 2.0 full-speed
- Low-power modes: sleep, stop, standby, and shutdown
- VBAT supply for RTC and backup registers
- Internal voltage reference buffer (VREFBUF) supporting three output voltages
- 16-channel DMA controller and interconnect matrix
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
- Industrial automation and control systems
- Medical devices requiring advanced analog capabilities
- Automotive systems, including motor control and communication interfaces
- Consumer electronics with high computational demands
- IoT devices needing robust security and low-power operation
Q & A
- What is the core architecture of the STM32G473RET6?
The STM32G473RET6 is based on the Arm® Cortex®-M4 32-bit RISC core with a single-precision floating-point unit (FPU) and DSP instructions.
- What is the maximum operating frequency of the STM32G473RET6?
The maximum operating frequency is up to 170 MHz with 213 DMIPS.
- How much flash and SRAM memory does the STM32G473RET6 have?
The device has 512 Kbytes of flash memory and 96 Kbytes of SRAM.
- What are the operating voltage and temperature ranges for the STM32G473RET6?
The operating voltage range is 1.71 V to 3.6 V, and the operating temperature range is -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction).
- What advanced analog peripherals are available on the STM32G473RET6?
The device features 5 x 12-bit ADCs, 7 x 12-bit DAC channels, 7 x ultra-fast rail-to-rail analog comparators, and 6 x operational amplifiers.
- What communication interfaces are supported by the STM32G473RET6?
The device supports 3 x FDCAN, 4 x I2C, 5 x USART/UART, 4 x SPI, 1 x SAI, and USB 2.0 full-speed interfaces.
- Does the STM32G473RET6 support low-power modes?
Yes, it supports sleep, stop, standby, and shutdown low-power modes.
- What is the purpose of the VBAT supply in the STM32G473RET6?
The VBAT supply is for the backup of the RTC and registers.
- What development tools are available for the STM32G473RET6?
Development support includes serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- What are some typical applications for the STM32G473RET6?
Typical applications include industrial automation, medical devices, automotive systems, consumer electronics, and IoT devices.
- What package options are available for the STM32G473RET6?
The device is available in an LQFP 64 10x10x1.4 mm package.
