STMicroelectronics STM32G474RET6TR

Overview

STM32G474RET6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating up to 170 MHz (213 DMIPS), featuring 512 KB Flash with ECC, 128 KB SRAM (96 KB + 32 KB CCM), and integrated analog peripherals including 5×12-bit ADCs (0.25 µs), 7×12-bit DACs, 6 operational amplifiers, and HRTIM with 184 ps resolution. It targets high-precision motor control, digital power conversion, and industrial sensing systems.

For engineers reviewing the STM32G474RET6TR datasheet, STM32G474RET6TR pinout, STM32G474RET6TR application, or STM32G474RET6TR equivalent, key selection criteria include HRTIM timing precision, dual-bank Flash read-while-write capability, CORDIC/FMAC hardware acceleration, and FDCAN FD support for real-time embedded control.

Technical Context

The STM32G474RET6TR implements an adaptive real-time accelerator (ART) enabling zero-wait-state execution from Flash at 170 MHz. Its interconnect matrix supports concurrent access to Flash, SRAM, and peripherals without bus contention.

It integrates three FDCAN controllers compliant with ISO 11898-1:2015 (FD mode), a dedicated USB Type-C™/PD controller (UCPD), and a high-resolution timer (HRTIM) with six 16-bit counters, 12 PWM outputs, and 184 ps timing resolution-designed for synchronous multi-phase power stage control.

Key Specifications

Pinout & Package

LQFP64 (10 × 10 mm, 0.5 mm pitch) package with 64 pins. Pin functions validated per STMicroelectronics DS12288 Rev 6, Section 4.3 (LQFP64 pinout description) and Table 12 (pin definition).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance mixed-signal microcontroller applications.

Compared with STM32G474RET6TR, the G473 offers reduced analog/timing capability at lower cost, while the H743 trades specialized power-control features for raw compute and connectivity-making the G474RET6TR uniquely balanced for digital power and precision motor control.

Availability

STM32G474RET6TR is available at Aetrix Electronics and suitable for industrial motor drives, digital power supplies, smart grid instrumentation, and medical infusion systems requiring stable component supply across extended product lifecycles.

Supply support for STM32G474RET6TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and analog components for industrial, automotive, and consumer markets.

The STM32G4 series is engineered for real-time, analog-intensive embedded applications-specifically targeting digital power conversion, motor control, and industrial automation where timing precision, mathematical acceleration, and integrated high-resolution peripherals are critical.

FAQ

What is the maximum operating frequency and associated performance metric?

The STM32G474RET6TR operates at up to 170 MHz, delivering 213 DMIPS (Dhrystone MIPS) with the ART Accelerator enabled. This performance level is sustained with zero-wait-state execution from Flash memory, verified under standard conditions (VDD = 3.3 V, TA = 25 °C) per DS12288 Rev 6, Section 3.1.

Does this MCU support USB Type-C™ power delivery negotiation?

Yes-it integrates a dedicated USB Type-C™/Power Delivery controller (UCPD) with hardware-based PD message handling, VBUS monitoring, and port configuration logic. No external PD controller IC is required, reducing system complexity and PCB area as confirmed in Section 3.35 of the datasheet.

How many independent 12-bit DAC channels does it provide, and what are their output characteristics?

The device provides seven 12-bit DAC channels: three buffered external outputs rated at 1 MSPS, and four unbuffered internal outputs rated at 15 MSPS. Buffering enables direct drive of low-impedance loads; unbuffered outputs are intended for internal signal routing (e.g., to OPAMPs or comparators), per Section 3.19 and Table 20.

Is the HRTIM compatible with advanced motor control topologies like three-phase interleaved PFC?

Yes-the HRTIM supports complex waveform generation with six independent 16-bit timers, 12 complementary PWM outputs, programmable dead-time insertion, and emergency shutdown. Its 184 ps resolution and synchronous update capability make it suitable for three-phase interleaved PFC and multi-level inverters, as detailed in Section 3.24.1 and Application Note AN5247.