Overview
The STM32G474RET3 is a mainstream microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This device operates at a frequency of up to 170 MHz and features a single-precision floating-point unit (FPU), supporting all Arm single-precision data-processing instructions and DSP instructions. It is designed for applications requiring high analog integration, mathematical and arithmetic function acceleration, and advanced communication interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm Cortex-M4 with FPU |
| Operating Frequency | Up to 170 MHz |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Operating Temperature Range | -40°C to 125°C |
| Flash Memory | Up to 512 Kbytes |
| SRAM | 128 Kbytes |
| Package Type | LQFP 64 10x10x1.4 mm |
| RoHS Compliance | Ecopack2 |
| Grade | Industrial |
Key Features
- High-Performance Core: Arm Cortex-M4 with a single-precision FPU, supporting DSP instructions and a memory protection unit (MPU).
- Memory and Storage: Up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM, along with a flexible external memory controller and Quad-SPI Flash memory interface.
- Analog Integration: Five fast 12-bit ADCs, seven comparators, six operational amplifiers, and seven DAC channels.
- Communication Interfaces: Multiple USARTs, UARTs, SPIs, I2Cs, FDCANs, SAI, USB 2.0 full-speed interface, and UCPD.
- Mathematical Accelerators: CORDIC for trigonometric functions and FMAC unit for filter functions.
- Timers and Peripherals: High-resolution timer with 184 ps resolution, general-purpose timers, and advanced motor control timers.
- Security Features: Readout protection, write protection, securable memory area, and proprietary code readout protection.
Applications
- Industrial Automation: Suitable for motor control, industrial communication, and automation systems due to its advanced timers and communication interfaces.
- Medical Devices: High analog integration makes it suitable for medical devices requiring precise analog measurements and signal processing.
- Consumer Electronics: Can be used in audio and video applications with its SAI and USB interfaces.
- Automotive Systems: Compatible with automotive standards due to its robust operating temperature range and advanced communication features like FDCAN).
Q & A
- What is the core of the STM32G474RET3 microcontroller?
The core is the Arm Cortex-M4 with a single-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32G474RET3?
The maximum operating frequency is up to 170 MHz.
- What is the supply voltage range for the STM32G474RET3?
The supply voltage range is from 1.71 V to 3.6 V.
- How much Flash memory and SRAM does the STM32G474RET3 have?
The device has up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What types of communication interfaces are available on the STM32G474RET3?
The device features multiple USARTs, UARTs, SPIs, I2Cs, FDCANs, SAI, USB 2.0 full-speed interface, and UCPD.
- Does the STM32G474RET3 have any mathematical accelerators?
Yes, it includes CORDIC for trigonometric functions and FMAC unit for filter functions.
- What is the resolution of the high-resolution timer in the STM32G474RET3?
The high-resolution timer has a resolution of 184 ps.
- Is the STM32G474RET3 RoHS compliant?
Yes, it is RoHS compliant with Ecopack2.
- What is the operating temperature range of the STM32G474RET3?
The operating temperature range is from -40°C to 125°C.
- What package type is the STM32G474RET3 available in?
The device is available in an LQFP 64 10x10x1.4 mm package.
