Overview
The STM32G474VCT6 is a mainstream Arm Cortex-M4 microcontroller from STMicroelectronics. It is part of the STM32G4 series, known for its high-performance and rich feature set. This microcontroller operates at a frequency of up to 170 MHz and features an Arm 32-bit Cortex-M4 CPU with a single-precision floating-point unit (FPU), adaptive real-time accelerator (ART Accelerator), and DSP instructions. The device is designed to provide high analog integration, mathematical hardware accelerators, and extensive communication interfaces, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M4 CPU with FPU, ART Accelerator, up to 170 MHz, 213 DMIPS, MPU, DSP instructions |
| Flash Memory | 256 Kbytes (STM32G474VCT6), up to 512 Kbytes in other variants, with ECC support, two banks read-while-write, PCROP, securable memory area, 1 Kbyte OTP |
| SRAM | 96 Kbytes, with hardware parity check on the first 32 Kbytes, 32 Kbytes of CCM SRAM |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction) |
| ADCs | 5 x 12-bit ADCs, up to 42 channels, resolution up to 16-bit with hardware oversampling |
| DACs | 7 x 12-bit DAC channels, 3 external and 4 internal |
| Timers | 17 timers including 2 x 32-bit timers, 11 x 16-bit timers, and 1 x 16-bit low-power timer |
| Communication Interfaces | 4 x I2Cs, 4 x SPIs, 3 x USARTs, 2 x UARTs, 1 x LPUART, 3 x FDCANs, 1 x SAI, USB 2.0 full-speed interface |
| Package | 100-LQFP (14x14) |
Key Features
- Mathematical hardware accelerators: CORDIC for trigonometric functions and FMAC for filter functions
- High-speed memories: Flash, SRAM, and external memory interface for static memories
- Quad-SPI Flash memory interface
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix
- Advanced analog peripherals: 5 x 12-bit ADCs, 7 x 12-bit DAC channels, 7 x ultra-fast rail-to-rail analog comparators, 6 x operational amplifiers
- Low-power modes: sleep, stop, standby, and shutdown
- VBAT supply for RTC and backup registers
- Clock management: 4 to 48 MHz crystal oscillator, 32 kHz oscillator with calibration, internal 16 MHz RC with PLL option
- Up to 107 fast I/Os, all mappable on external interrupt vectors
- 16-channel DMA controller
- True random number generator (RNG), CRC calculation unit, 96-bit unique ID
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
The STM32G474VCT6 is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Medical devices requiring high precision and low power consumption
- Automotive systems, especially those needing advanced motor control and communication interfaces
- Consumer electronics, such as smart home devices and IoT applications
- Energy management and metering systems
Q & A
- What is the core architecture of the STM32G474VCT6?
The STM32G474VCT6 features an Arm 32-bit Cortex-M4 CPU with a single-precision floating-point unit (FPU), adaptive real-time accelerator (ART Accelerator), and DSP instructions.
- What is the maximum operating frequency of the STM32G474VCT6?
The maximum operating frequency is up to 170 MHz.
- How much Flash memory does the STM32G474VCT6 have?
The STM32G474VCT6 has 256 Kbytes of Flash memory.
- What are the key analog peripherals of the STM32G474VCT6?
The device includes 5 x 12-bit ADCs, 7 x 12-bit DAC channels, 7 x ultra-fast rail-to-rail analog comparators, and 6 x operational amplifiers.
- What communication interfaces are available on the STM32G474VCT6?
The device features 4 x I2Cs, 4 x SPIs, 3 x USARTs, 2 x UARTs, 1 x LPUART, 3 x FDCANs, 1 x SAI, and a USB 2.0 full-speed interface.
- What are the low-power modes supported by the STM32G474VCT6?
The device supports sleep, stop, standby, and shutdown low-power modes.
- What is the operating temperature range of the STM32G474VCT6?
The operating temperature range is -40 to +85 °C (+105 °C junction), and -40 to +125 °C (+130 °C junction).
- Does the STM32G474VCT6 support external memory interfaces?
Yes, it supports an external memory interface for static memories (FSMC) and a Quad-SPI Flash memory interface.
- What development tools are available for the STM32G474VCT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- What is the package type of the STM32G474VCT6?
The package type is 100-LQFP (14x14).
- Does the STM32G474VCT6 have any specific power management features?
Yes, it includes power-on/power-down reset (POR/PDR/BOR), programmable voltage detector (PVD), and VBAT supply for RTC and backup registers.
