STM32G474RBT3TR

STM32G474RBT3TR is a member of STMicroelectronics’ STM32G4 series, a high‑performance MCU family based on the ARM Cortex‑M4F core. It targets motor control, power electronics, audio, and mixed‑signal applications.
Key points:
- Core: Cortex‑M4F with DSP and single‑precision FPU, up to about 170 MHz.
- Memory: up to 1 MB Flash and hundreds of KB RAM (exact amounts depend on the device variant).
- Peripherals: rich mix including ADCs, DACs, op‑amps, comparators, and a variety of timers (including PWM/advanced-control), USB FS, CAN (and/or CAN FD on some SKUs), SPI, I2C, UART; LCD controller; DMA/MDMA and CRC; plus security features on some parts.
- Power and packaging: flexible power pins and low‑power modes; “RBT3TR” denotes a specific device variant and package/ tape‑and‑reel option.
- Ecosystem: supported by STM32CubeMX/HAL/LL, with GCC/MDK/IAR toolchains.
Typical use cases: motor control, power supplies, audio processing, and sensor‑rich embedded systems.
For exact memory, pinout, and package details, refer to the STM32G474RBT3TR datasheet and product page.

Key features of STM32G474RBT3TR (concise):
- Core: 32-bit ARM Cortex-M4F with single-precision FPU and DSP instructions
- Speed: Up to about 170 MHz
- Memory (typical): up to 256 KB Flash and up to 64 KB RAM
- Crypto and security: hardware AES crypto engine, RNG, and MPU for memory protection
- Communications: USB 2.0 Full-Speed, CAN FD, plus multiple SPI, I2C, and USART/UART (including LPUART)
- Analog: up to 3 × 12-bit ADCs (with DMA support), 1 × 12-bit DAC, plus analog comparators and internal op-amps
- Timers: TIM1 advanced-control timer, TIM2–TIM4 general-purpose timers, and High-Resolution Timer (HRTIM) for precise motor control
- DMA: DMAC with multiple channels and DMAMUX
- Power: multiple low-power modes; wide operating voltage (roughly 1.65–3.6 V)
- Temperature grade: industrial range (typical -40°C to 105°C)
Notes:
- Specific memory sizes and peripheral counts may vary by exact package/variant; consult the datasheet for final numbers.

The STM32G474RBT3TR uses a LQFP package, specifically LQFP-100 (14×14 mm). TR denotes Tape & Reel packaging.

- Pin count: 100 pins (LQFP-100 package)
- Function: STMicroelectronics STM32G474RBT3TR is a 32-bit ARM Cortex‑M4F microcontroller (STM32G4 family) for general embedded control, with integrated flash/RAM and a rich peripheral set (host of peripherals for mixed-signal and control applications).

- Manufacturer: STMicroelectronics (ST).
- What kind of company: A global European multinational semiconductor company that designs, develops, and manufactures integrated circuits and electronic components (including the STM32 microcontroller family).

STMicroelectronics STM32G474RBT3TR is suited for:
- Motor control (BLDC/PMSM/stepper) with advanced timers and DSP
- Power conversion and motor-drive electronics (inverters, DC-DC/AC-DC)
- Industrial automation and servo drive applications
- Automotive/body electronics and sensor interfaces
- Audio/consumer electronics (DSP, DAC/ADC, class-D)
- Smart sensors and IoT (sensor hubs, data acquisition, battery-powered devices)
Supports mixed-signal needs (analog front-end, USB/CAN/UART/SPI) for embedded control.