STM32G474QET6 pin diagram and parameter introduction

STMicroelectronics' model STM32G474QET6 is a 32-bit MCU microcontroller, based on the high-performance Arm® Cortex®-M4 32-bit RISC core and operating frequency up to 170MHz. The Cortex-M4 core features a single-precision floating-point unit (FPU) that supports all Arm single-precision data processing instructions and all data types. It also implements a complete set of DSP (digital signal processing) instructions and a Memory Protection Unit (MPU) that enhances application security.

The STM32G474QET6 embeds high-speed memory (512KB of Flash and 128KB of SRAM), a Flexible External Memory Controller (FSMC) for static memory (for devices packaged in 100-pin and above), a Quad SPI flash interface, and connectivity to two A large number of enhanced I/O and peripherals for the APB bus, two AHB buses and a 32-bit multi-AHB bus matrix.

STM32G474QET6 also embeds several protection mechanisms for embedded flash and SRAM: read protection, write protection, secure memory area and proprietary code read protection. The STM32G474QET6 embeds peripherals that allow acceleration of mathematical/arithmetic functions (CORDIC for trigonometric functions, FMAC unit for filtering functions).

STM32G474QET6 provides five fast 12-bit ADCs (5 Msps), seven comparators, six operational amplifiers, seven DAC channels (3 external and 4 internal), an internal voltage reference buffer, a low-power RTC, Two general-purpose 32-bit timers, three 16-bit PWM timers dedicated to motor control, seven general-purpose 16-bit timers, a 16-bit low-power timer, and a high-resolution timer with 184 ps resolution.

Functional features of STM32G474QET6

1. High performance: Equipped with an ARM Cortex-M4 core with a maximum frequency of 170MHz, it has high-performance computing power and response speed, and can meet the needs of a variety of complex applications.

2. Rich peripheral interfaces: It has rich peripheral interfaces, including USB, CAN, SPI, I2C, UART and other communication interfaces, as well as analog-to-digital conversion interfaces such as ADC and DAC, which can meet the needs of different application scenarios for peripheral interfaces. need.

3. Low power consumption design: Supports multiple low power consumption modes, including standby mode, sleep mode and shutdown mode, which can effectively reduce power consumption and extend system battery life.

4. Security: It has hardware encryption module, secure memory and secure boot function, which can provide advanced system security protection and prevent data leakage and system intrusion risks.

5. Comprehensive peripheral support: Supports advanced functions and features of various peripherals, such as advanced timers, PWM controllers, on-chip temperature sensors, etc., to meet the needs of a variety of applications.

6. Rich software support: Provides a wealth of software development tools and support, including Cortex-M4 processor software development tool chain, real-time operating system (RTOS) support, code library and sample code, etc.

Application fields of STM32G474QET6

STM32G474QET6 is a high-performance 32-bit ARM Cortex-M4 microcontroller suitable for various application fields. Its main application areas are as follows:

1. Industrial control and automation: STM32G474QET6 has rich peripheral interfaces and high-performance processing capabilities, and can be used in PLC (programmable logic controller), industrial robots, sensor interfaces and data acquisition applications in the field of industrial automation.

2. Intelligent power system: STM32G474QET6 is suitable for power system monitoring, power quality analysis, smart meters and energy management systems, with real-time control and high-precision measurement functions.

3. IoT devices: STM32G474QET6 supports a variety of communication interfaces, including SPI, I2C, UART and USB, and is suitable for sensor nodes, smart home devices and industrial IoT solutions in IoT devices.

4. Consumer electronics: Due to its low power consumption and rich connectivity capabilities, STM32G474QET6 can also be used in consumer electronics, such as smart watches, smart home devices, drones and wearable devices.

Parameters of STM32G474QET6

Brand: STMicroelectronics

Product Category: 32-bit MCU

Package: 128-LQFP(14x14)

Packaging: Pallet

Core processor: ARM Cortex-M4F

Kernel specification: 32-bit

Speed: 170MHz

Connectivity: CANbus, I2C, IrDA, LINbus, QSPI, SPI, UART/USART

Peripherals: Undervoltage detection/reset, DMA, I2S, POR, PWM, WDT

Number of I/Os: 107

Program storage capacity: 512KB (512K x 8)

Program memory type: Flash

EEPROM capacity:-

RAM size: 128K x 8

Voltage-power supply (Vcc/Vdd): 1.71V ~ 3.6V

Data converter: A/D 42x12b; D/A 7x12b

Oscillator type: Internal

Working temperature: -40°C ~ 85°C(TA)

Installation type: surface mount type

Basic product number: STM32

HTSUS: 8542.31.0001

Product application: high performance MCU

Pin diagram of STM32G474QET6

Schematic diagram of STM32G474QET6

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