STM32G474CEU3
Overview
The STM32G474CEU3 is a mainstream STM32 microcontroller from STMicroelectronics based on the Arm Cortex-M4 core. It combines a 170 MHz CPU with 512 KB of flash and built-in math acceleration, making it a good fit for control-oriented embedded designs. This part is aimed at applications that need strong real-time performance, mixed-signal integration, and efficient code execution on a single chip.
Why Choose This Part
This MCU gives designers a strong balance of performance, flash size, and real-time control capability without moving to a higher-end application processor. The Cortex-M4 core and math acceleration help with control loops, signal processing, and numeric code that would otherwise consume more CPU time. It is also part of the STM32 ecosystem, so firmware reuse, middleware, and board support are widely available.
Applications
Getting Started
For development, start with an STM32 Nucleo or Discovery board that uses the STM32G4 family, then move to the exact CEU3 package once pinout and peripherals are validated. STM32CubeIDE is the most direct starting point for code generation, debug, and HAL/LL-based projects, and ST-Link based programming is well supported across the STM32 line. If you are targeting control applications, use timer, ADC, and DMA examples early in bring-up to validate timing and peripheral interaction before integrating the full application.
Dev Boards
Development boards and breakout modules featuring the STM32G474CEU3 or compatible chips — ready to use for prototyping.
STM32G474 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Flash | I/O Pins | Package | ADC/DAC | Connectivity | Core Processor | Stock |
|---|---|---|---|---|---|---|---|
| STM32G474CEU3 (this part) | — | — | — | — | — | — | 1,439 |
| STM32G474MET3 | 512KB | 66 | LQFP-80 | A/D 41x12b SAR; D/.. | CANbus, I2C, IrDA,.. | ARM Cortex-M4 | 943 |
| STM32G474RET6 | 512KB | 52 | LQFP-64 | A/D 26x12b; D/A 7x.. | CANbus, I2C, IrDA,.. | ARM Cortex-M4F | 3,072 |
| STM32G474CBT6 | 128KB | 38 | LQFP-48 | A/D 20x12b SAR; D/.. | CANbus, I2C, IrDA,.. | ARM Cortex-M4 | — |
Also Consider
STMicroelectronics
- A closely related STM32G474 variant that is useful if you need the same family features in a different package and pin count.
STMicroelectronics
- A proven STM32 control MCU family option when you want a similar mixed-signal, motor-control-oriented design approach.
Categories
