Overview
The STM32G431RBT6U is a microcontroller from STMicroelectronics, part of the STM32G4 series. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz. This core includes a single-precision floating-point unit (FPU) and supports all Arm single-precision data-processing instructions and DSP (digital signal processing) instructions. The device also features a memory protection unit (MPU) for enhanced security.
The microcontroller is designed to offer a balance of performance, power consumption, and features, making it suitable for a wide range of applications. It is available in a 64-pin LQFP package and supports various development tools and boards, such as the STM32G4 Nucleo-64 boards.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 170 MHz |
| Flash Memory | 128 Kbytes with ECC support, PCROP, securable memory area, 1 Kbyte OTP |
| SRAM | 22 Kbytes with hardware parity check on the first 16 Kbytes, 10 Kbytes CCM SRAM |
| ADCs | Two 12-bit ADCs (4 Msps), up to 23 channels |
| DACs | Four 12-bit DAC channels (2 external, 2 internal) |
| Timers | One 32-bit timer, seven 16-bit timers, two 16-bit advanced motor control timers |
| Communication Interfaces | Three I2Cs, three SPIs, three USARTs, one UART, one low-power UART, one FDCAN, one SAI, USB 2.0 full-speed interface |
| Operational Amplifiers | Three operational amplifiers |
| Comparators | Four ultra-fast rail-to-rail analog comparators |
| Power Management | Power-on/power-down reset, programmable voltage detector, low-power modes (sleep, stop, standby, shutdown) |
| Package | 64-pin LQFP |
| Operating Temperature | -40°C to 85°C |
Key Features
- Mathematical Hardware Accelerators: CORDIC for trigonometric functions acceleration and FMAC for filter mathematical acceleration.
- Analog Peripherals: Two 12-bit ADCs, four 12-bit DAC channels, three operational amplifiers, and four ultra-fast rail-to-rail analog comparators.
- Communication Interfaces: Three I2Cs, three SPIs multiplexed with two half duplex I2Ss, three USARTs, one UART, one low-power UART, one FDCAN, and one SAI.
- Timers and Counters: One 32-bit timer, seven 16-bit timers, and two 16-bit advanced motor control timers.
- Power Management: Power-on/power-down reset, programmable voltage detector, and low-power modes (sleep, stop, standby, shutdown).
- Development Support: Integrated STLINK-V3E debugger/programmer on Nucleo boards, support for various IDEs, and comprehensive free software libraries.
Applications
The STM32G431RBT6U is versatile and can be used in a variety of applications, including:
- Industrial Automation: Motor control, power management, and industrial communication protocols.
- Consumer Electronics: Audio and video processing, USB peripherals, and low-power devices.
- Medical Devices: Medical instrumentation, patient monitoring systems, and portable medical devices.
- Automotive Systems: In-vehicle infotainment, driver assistance systems, and automotive control units.
- IoT and Wearables: Internet of Things (IoT) devices, wearables, and other low-power, connected devices.
Q & A
- What is the core architecture of the STM32G431RBT6U?
The STM32G431RBT6U is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32G431RBT6U?
The maximum operating frequency is up to 170 MHz.
- How much Flash and SRAM memory does the STM32G431RBT6U have?
The device has 128 Kbytes of Flash memory and 22 Kbytes of SRAM.
- What types of ADCs and DACs are available on the STM32G431RBT6U?
The device features two 12-bit ADCs and four 12-bit DAC channels.
- What communication interfaces are supported by the STM32G431RBT6U?
The device supports three I2Cs, three SPIs, three USARTs, one UART, one low-power UART, one FDCAN, and one SAI.
- Does the STM32G431RBT6U have any built-in mathematical accelerators?
Yes, it includes CORDIC for trigonometric functions acceleration and FMAC for filter mathematical acceleration.
- What are the power management features of the STM32G431RBT6U?
The device features power-on/power-down reset, programmable voltage detector, and low-power modes (sleep, stop, standby, shutdown).
- What is the package type of the STM32G431RBT6U?
The device is available in a 64-pin LQFP package.
- What is the operating temperature range of the STM32G431RBT6U?
The operating temperature range is -40°C to 85°C.
- Are there any development boards available for the STM32G431RBT6U?
Yes, the STM32G4 Nucleo-64 boards are available for development and prototyping.
