Overview
The STM32G431K6U3 is a mainstream Arm Cortex-M4 microcontroller from STMicroelectronics. It is part of the STM32G431 series, which is designed for high-performance applications. The device operates at a frequency of up to 170 MHz and features a 32-bit Arm Cortex-M4 CPU with a single-precision floating-point unit (FPU) and digital signal processing (DSP) instructions. This microcontroller is equipped with advanced analog peripherals, low-power modes, and robust security features, making it versatile and reliable for various industrial and consumer electronics projects.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) |
| Frequency | Up to 170 MHz |
| Flash Memory | 128 Kbytes with ECC support, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP |
| SRAM | 22 Kbytes with hardware parity check implemented on the first 16 Kbytes, 10 Kbytes of SRAM on instruction and data bus (CCM SRAM) |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C (+105 °C junction), -40 °C to +125 °C (+130 °C junction) |
| ADCs | Two fast 12-bit ADCs (4 Msps) |
| DACs | Four DAC channels (2 external and 2 internal) |
| Timers | Seven general-purpose 16-bit timers, two 16-bit PWM timers dedicated to motor control, one 16-bit low-power timer, one general-purpose 32-bit timer |
| Communication Interfaces | Three I2Cs, three SPIs, three USARTs, one UART, one low-power UART, one FDCAN, one SAI, USB 2.0 full-speed interface |
| Package | UFQFPN 32 5x5x0.55 mm |
Key Features
- Arm 32-bit Cortex-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory
- Mathematical hardware accelerators: CORDIC for trigonometric functions acceleration, FMAC: filter mathematical accelerator
- Advanced analog peripherals: two fast 12-bit ADCs, four DAC channels, three operational amplifiers, four comparators
- Low-power modes: sleep, stop, standby, and shutdown
- Robust security features: readout protection, write protection, securable memory area, proprietary code readout protection
- Comprehensive set of communication interfaces: I2C, SPI, USART, UART, FDCAN, SAI, USB 2.0 full-speed interface
- Independent power supplies: analog independent supply input for ADC, DAC, OPAMPs, and comparators; VBAT input for backup of the RTC and the registers
Applications
The STM32G431K6U3 is suitable for a wide range of applications, including:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- IoT devices
- Motor control and power management systems
Q & A
- What is the core of the STM32G431K6U3 microcontroller?
The core is a 32-bit Arm Cortex-M4 CPU with a single-precision floating-point unit (FPU) and digital signal processing (DSP) instructions.
- What is the maximum operating frequency of the STM32G431K6U3?
The maximum operating frequency is up to 170 MHz.
- How much Flash memory does the STM32G431K6U3 have?
The device has 128 Kbytes of Flash memory with ECC support and proprietary code readout protection.
- What are the key analog peripherals of the STM32G431K6U3?
The key analog peripherals include two fast 12-bit ADCs, four DAC channels, three operational amplifiers, and four comparators.
- What are the low-power modes available on the STM32G431K6U3?
The available low-power modes are sleep, stop, standby, and shutdown.
- What communication interfaces does the STM32G431K6U3 support?
The device supports I2C, SPI, USART, UART, FDCAN, SAI, and USB 2.0 full-speed interface.
- What is the operating temperature range of the STM32G431K6U3?
The operating temperature range is -40 °C to +85 °C (+105 °C junction), and -40 °C to +125 °C (+130 °C junction).
- What is the package type of the STM32G431K6U3?
The package type is UFQFPN 32 5x5x0.55 mm.
- Does the STM32G431K6U3 support independent power supplies?
Yes, it supports independent power supplies, including an analog independent supply input for ADC, DAC, OPAMPs, and comparators, and a VBAT input for backup of the RTC and the registers.
- What are some typical applications of the STM32G431K6U3?
Typical applications include industrial control systems, consumer electronics, automotive systems, medical devices, IoT devices, and motor control and power management systems.
