STMicroelectronics STM32G474MCT3TR

Overview

STM32G474MCT3TR 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 high-resolution timer (HRTIM) with 184 ps resolution. It integrates CORDIC and FMAC hardware accelerators, six operational amplifiers, seven 12-bit DACs, five 12-bit ADCs (up to 42 channels), and three FDCAN controllers - deployed in motor control, digital power conversion, and industrial automation systems.

For engineers reviewing the STM32G474MCT3TR datasheet, STM32G474MCT3TR pinout, STM32G474MCT3TR application, or STM32G474MCT3TR equivalent, key selection considerations include HRTIM timing precision for PWM generation, dual-bank Flash with read-while-write capability for firmware updates, analog integration (OPAMPs, VREFBUF, COMP), FDCAN FD support for automotive/industrial networks, and UCPD interface for USB Type-C power delivery control.

Technical Context

The STM32G474MCT3TR implements an adaptive real-time accelerator (ART) enabling zero-wait-state execution from Flash memory, paired with a memory protection unit (MPU) and securable memory areas including PCROP and 1 KB OTP. Its interconnect matrix supports concurrent access to peripherals and memories by multiple masters (CPU, DMA, timers).

It features a comprehensive analog subsystem: seven rail-to-rail comparators, six programmable-gain operational amplifiers (all terminals accessible), internal voltage reference buffer (VREFBUF) with selectable outputs (2.048 V / 2.5 V / 2.9 V), and a 17-timer suite anchored by the HRTIM - delivering 184 ps resolution across six 16-bit counters for complex waveform synthesis in digital power and motor drive applications.

Key Specifications

Pinout & Package

STM32G474MCT3TR is packaged in UFQFPN48 (7 × 7 mm, 0.5 mm pitch), a lead-free, near-chip-scale package suitable for space-constrained industrial and motor control PCBs. Pin functions are validated per ST's DS12288 Rev 6, Section 4.2 (LQFP48) and Section 4.1 (UFQFPN48) - both share identical signal mapping and alternate function assignments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32G474RCT6, the STM32G474MCT3TR trades pin count and peripheral density for compact UFQFPN48 packaging and lower BOM cost - ideal for space-constrained motor drives. Versus STM32H743VIT6, it delivers superior analog integration and sub-nanosecond PWM control at lower power and cost, but lacks high-end connectivity and compute headroom.

Availability

STM32G474MCT3TR is available at Aetrix Electronics and suitable for industrial motor control, digital power conversion, and USB-C power delivery systems requiring stable component supply, long-term lifecycle assurance, and full production traceability.

Supply support for STM32G474MCT3TR 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 devices, sensors, and analog ICs for industrial, automotive, and consumer markets.

The STM32G4 series targets high-efficiency digital power, motor control, and USB-C applications - combining Cortex-M4 performance with patented analog IP (HRTIM, CORDIC, FMAC) and robust security features for certified industrial deployments.

FAQ

What is the maximum operating frequency and associated performance metric of the STM32G474MCT3TR?

The STM32G474MCT3TR operates at up to 170 MHz with an integer performance rating of 213 DMIPS (Dhrystone MIPS), measured under conditions of zero-wait-state execution enabled by the ART Accelerator. This frequency is achievable across the full industrial temperature range (–40 °C to +85 °C) with VDD ≥ 2.7 V, and sustained with proper thermal management in the UFQFPN48 package.

Does the STM32G474MCT3TR support true hardware encryption or secure boot features?

The STM32G474MCT3TR does not include dedicated cryptographic accelerators (AES, PKA, HASH) or ROM-based secure boot. However, it supports securable memory areas via PCROP (Proprietary Code Read-Out Protection), 1 KB one-time-programmable (OTP) memory for keys, and hardware write protection for Flash/SRAM regions - enabling customer-implemented secure boot flows compliant with IEC 62443 Level 1 requirements.

How many independent PWM channels can be generated simultaneously with nanosecond-level timing control?

The HRTIM peripheral provides 12 fully independent, complementary PWM outputs with 184 ps resolution - enabling precise, phase-aligned waveforms across all channels. These outputs are distributed across six 16-bit timers within HRTIM, each supporting independent carrier modulation, fault input synchronization, and dead-time insertion - critical for multi-phase inverter topologies like three-level NPC or SiC gate drivers.

Is the UFQFPN48 package of the STM32G474MCT3TR compatible with standard reflow profiles and automated optical inspection (AOI)?

Yes - the UFQFPN48 package uses standard JEDEC J-STD-020 moisture sensitivity level (MSL) 3 and complies with IPC/JEDEC J-STD-020D reflow profiles. Its 0.5 mm pitch and exposed thermal pad support reliable solder joint formation under standard convection reflow; AOI is feasible using top-down imaging with appropriate lighting angles to capture solder fillet geometry on all 48 leads and the central thermal pad.