Overview
The STM32G431MBT6 is a microcontroller unit (MCU) from STMicroelectronics, part of the STM32G4 series. It is built around the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU), offering high performance and efficiency. This MCU incorporates ST's state-of-the-art patented technologies, including an adaptive real-time accelerator (ART Accelerator) that enables 0-wait-state execution from Flash memory. The device operates at a frequency of up to 170 MHz, achieving 213 DMIPS, and includes memory protection unit (MPU) and DSP instructions.
The STM32G431MBT6 is designed for a wide range of applications requiring advanced analog capabilities, low power consumption, and high processing power. It is available in various package options, including LQFP80 (12 x 12 mm), making it versatile for different design needs.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 170 MHz, 213 DMIPS |
| Flash Memory | 128 Kbytes with ECC support, PCROP, securable memory area, 1 Kbyte OTP |
| SRAM | 22 Kbytes + 10 Kbytes CCM SRAM with hardware parity check |
| Voltage Range | 1.71 V to 3.6 V (VDD, VDDA) |
| Analog Features | 2 x ADCs (up to 23 channels, 16-bit resolution), 4 x DAC channels, 4 x ultra-fast rail-to-rail analog comparators, 3 x operational amplifiers |
| Timers | 14 timers including 32-bit and 16-bit timers, advanced motor control timers, watchdog timers, SysTick timer |
| Communication Interfaces | 1 x FDCAN, 3 x I2C, 4 x USART/UARTs, 1 x LPUART, 3 x SPIs, 1 x SAI, USB 2.0 full-speed interface |
| Package Options | LQFP80 (12 x 12 mm), among others |
Key Features
- High Performance: Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator) for 0-wait-state execution from Flash memory.
- Advanced Analog Capabilities: Includes 2 x ADCs with up to 23 channels, 4 x DAC channels, 4 x ultra-fast rail-to-rail analog comparators, and 3 x operational amplifiers.
- Mathematical Hardware Accelerators: CORDIC for trigonometric functions and FMAC for filter mathematical acceleration.
- Low Power Modes: Sleep, stop, standby, and shutdown modes to reduce power consumption.
- Communication Interfaces: FDCAN, I2C, USART/UARTs, LPUART, SPIs, SAI, and USB 2.0 full-speed interface.
- Development Support: Serial wire debug (SWD), JTAG, Embedded Trace Macrocell™.
- Security Features: True random number generator (RNG), CRC calculation unit, 96-bit unique ID.
Applications
- Industrial Automation: Motor control, power management, and industrial communication.
- Medical Devices: Portable medical devices requiring advanced analog capabilities and low power consumption.
- Aerospace and Defense: Applications needing high reliability and advanced processing capabilities.
- Consumer Electronics: Smart home devices, wearables, and other consumer electronics requiring efficient processing and low power consumption.
- Automotive Systems: In-vehicle systems, including infotainment and driver assistance systems.
Q & A
- What is the core architecture of the STM32G431MBT6?
The core architecture is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum operating frequency of the STM32G431MBT6?
The maximum operating frequency is up to 170 MHz, achieving 213 DMIPS.
- How much Flash and SRAM memory does the STM32G431MBT6 have?
The device has 128 Kbytes of Flash memory and 22 Kbytes of SRAM plus 10 Kbytes of CCM SRAM.
- What are the key analog features of the STM32G431MBT6?
The device includes 2 x ADCs, 4 x DAC channels, 4 x ultra-fast rail-to-rail analog comparators, and 3 x operational amplifiers.
- What communication interfaces are available on the STM32G431MBT6?
The device features FDCAN, I2C, USART/UARTs, LPUART, SPIs, SAI, and USB 2.0 full-speed interface.
- What are the low power modes supported by the STM32G431MBT6?
The device supports sleep, stop, standby, and shutdown modes to reduce power consumption.
- Does the STM32G431MBT6 have any security features?
Yes, it includes a true random number generator (RNG), CRC calculation unit, and a 96-bit unique ID.
- What development tools are supported by the STM32G431MBT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- In what package options is the STM32G431MBT6 available?
The device is available in various package options, including LQFP80 (12 x 12 mm).
- What are some typical applications for the STM32G431MBT6?
Typical applications include industrial automation, medical devices, aerospace and defense, consumer electronics, and automotive systems.
