STMicroelectronics STM32G473CCU6TR

Overview

STM32G473CCU6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, 512 KB Flash (ECC-enabled), 128 KB SRAM (96 KB + 32 KB CCM), and integrated analog peripherals including five 12-bit ADCs (0.25 µs conversion), seven 12-bit DACs, six rail-to-rail op-amps, and CORDIC/FMAC math accelerators - deployed in industrial motor control, digital power supplies, and precision sensor signal conditioning.

For engineers reviewing the STM32G473CCU6TR datasheet, STM32G473CCU6TR pinout, STM32G473CCU6TR application, or STM32G473CCU6TR equivalent, key selection criteria include dual-bank Flash read-while-write capability, 170 MHz max CPU frequency with ART Accelerator, 5 V-tolerant I/Os, FDCAN support for automotive-grade communication, and UCPD interface for USB Type-C™ power delivery control.

Technical Context

The device implements an Adaptive Real-Time (ART) Accelerator enabling zero-wait-state execution from Flash at 170 MHz, paired with a Memory Protection Unit (MPU) and dual-bank Flash architecture supporting seamless firmware updates. Its analog subsystem integrates three buffered DAC outputs (1 MSPS), four unbuffered internal DAC channels (15 MSPS), and seven ultra-fast comparators with programmable hysteresis.

Clock management includes four oscillators (4–48 MHz HSE, 32 kHz LSE with calibration, 16 MHz HSI ±1%, 32 kHz LSI ±5%), three PLLs (including dedicated ADC/DAC PLL), and a Clock Recovery System (CRS) for USB synchronization. The interconnect matrix supports concurrent access to Flash, SRAM, and peripherals without bus contention.

Key Specifications

Pinout & Package

STM32G473CCU6TR is housed in a 48-pin UFQFPN package (7 × 7 mm, 0.5 mm pitch), optimized for compact industrial and portable designs requiring high peripheral density and thermal efficiency.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32G474RET6, the STM32G473CCU6TR trades audio interface and pin count for USB-C PD control and math acceleration; versus STM32G431CBU6, it delivers 4× more Flash, full analog richness, and hardware compute engines essential for high-fidelity real-time control.

Availability

STM32G473CCU6TR is available at Aetrix Electronics and suitable for industrial motor control, digital power conversion, precision sensor signal conditioning, and USB-C enabled portable instrumentation requiring stable component supply and long-term manufacturing continuity.

Supply support for STM32G473CCU6TR 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, specializing in microcontrollers, power management, analog, MEMS, and automotive ICs.

The STM32G4 series targets high-performance, analog-rich embedded applications - combining real-time control, mathematical computation, and mixed-signal integration for industrial automation, digital power, and smart sensing.

FAQ

What is the maximum operating frequency and how is it achieved?

The STM32G473CCU6TR achieves a maximum CPU frequency of 170 MHz using its Adaptive Real-Time (ART) Accelerator, which enables zero-wait-state execution from Flash memory. This is validated under 1.71–3.6 V supply conditions with the internal 16 MHz RC oscillator fed into the PLL, and requires proper Flash latency configuration (2 wait states at 170 MHz per DS12712 Rev 5, Section 5.3.9).

Does this MCU support true hardware-based USB Power Delivery?

Yes - the STM32G473CCU6TR integrates a dedicated USB Type-C™ and Power Delivery (UCPD) controller with hardware PD protocol stack, CC line transceivers, and VCONN switch control. It supports USB PD 3.0 sink/source roles, programmable power rules, and hardware-based fault protection without CPU intervention (DS12712 Rev 5, Sections 3.35 and 5.3.29).

How many ADC channels can be sampled simultaneously, and what is the timing precision?

Up to 42 ADC channels are supported across five independent 12-bit ADCs, with hardware-synchronized sampling possible via trigger routing from timers or external events. Each ADC achieves 0.25 µs conversion time (4 MSPS), and hardware oversampling up to 16× yields 16-bit effective resolution at reduced throughput (DS12712 Rev 5, Section 3.18).

Is the UFQFPN48 package RoHS-compliant and suitable for reflow assembly?

Yes - the UFQFPN48 package (A0B9 footprint) is lead-free, RoHS-compliant, and qualified for standard Pb-free reflow soldering per JEDEC J-STD-020. Its 0.5 mm pitch and exposed thermal pad support automated assembly and efficient thermal dissipation in compact industrial PCB layouts (DS12712 Rev 5, Section 6.3).