Overview
The STM32G431C8T6TR is a mainstream microcontroller from STMicroelectronics, part of the STM32G431x family. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz. This MCU features a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU) for enhanced security. The device is equipped with 128 Kbytes of Flash memory and 32 Kbytes of SRAM, along with various protection mechanisms for embedded memory. It supports a wide range of operating conditions and power-saving modes, making it suitable for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) |
| Frequency | Up to 170 MHz with 213 DMIPS |
| Memories | 128 Kbytes of Flash memory, 22 Kbytes of SRAM, 10 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 | 2 x ADCs, 0.25 µs conversion time, up to 23 channels, 16-bit resolution |
| DACs | 4 x 12-bit DAC channels |
| Timers | 14 timers including 1 x 32-bit timer, 10 x 16-bit timers |
| 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 |
| I/Os | Up to 86 fast I/Os, several with 5 V tolerant capability |
| Low-Power Modes | Sleep, stop, standby, and shutdown |
Key Features
- Includes ST state-of-the-art patented technology
- Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator), frequency up to 170 MHz with 213 DMIPS, MPU, DSP instructions
- Mathematical hardware accelerators: CORDIC for trigonometric functions acceleration, FMAC: filter mathematical accelerator
- Memories: 128 Kbytes of Flash memory with ECC support, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP; 22 Kbytes of SRAM with hardware parity check; 10 Kbytes of CCM SRAM
- Reset and supply management: Power-on/power-down reset (POR/PDR/BOR), programmable voltage detector (PVD), low-power modes
- Clock management: 4 to 48 MHz crystal oscillator, 32 kHz oscillator with calibration, internal 16 MHz RC with PLL option, internal 32 kHz RC oscillator
- Up to 86 fast I/Os, all mappable on external interrupt vectors, several I/Os with 5 V tolerant capability
- 12-channel DMA controller, 2 x ADCs, 4 x 12-bit DAC channels, 3 x operational amplifiers, 4 x ultra-fast rail-to-rail analog comparators
- Communication interfaces: 1 x FDCAN controller, 3 x I2C Fast mode plus, 4 x USART/UARTs, 1 x LPUART, 3 x SPIs, 1 x SAI, USB 2.0 full-speed interface
- True random number generator (RNG), CRC calculation unit, 96-bit unique ID
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
- Industrial automation and control systems
- Personal electronics and consumer devices
- Medical devices and healthcare equipment
- Automotive systems and infotainment
- IoT and smart home devices
- Motor control and power management systems
Q & A
- What is the core architecture of the STM32G431C8T6TR?
The core is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and Adaptive real-time accelerator (ART Accelerator).
- What is the maximum operating frequency of the STM32G431C8T6TR?
The maximum operating frequency is up to 170 MHz with 213 DMIPS.
- What types of memory does the STM32G431C8T6TR have?
The device has 128 Kbytes of Flash memory, 22 Kbytes of SRAM, and 10 Kbytes of CCM SRAM.
- What are the operating voltage and temperature ranges for the STM32G431C8T6TR?
The operating voltage range is 1.71 V to 3.6 V, and the operating temperature range is -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction).
- What types of communication interfaces are available on the STM32G431C8T6TR?
The device includes 1 x FDCAN controller, 3 x I2C Fast mode plus, 4 x USART/UARTs, 1 x LPUART, 3 x SPIs, 1 x SAI, and a USB 2.0 full-speed interface.
- Does the STM32G431C8T6TR support low-power modes?
Yes, it supports sleep, stop, standby, and shutdown low-power modes.
- What kind of analog peripherals are available on the STM32G431C8T6TR?
The device includes 2 x ADCs, 4 x 12-bit DAC channels, 3 x operational amplifiers, and 4 x ultra-fast rail-to-rail analog comparators.
- Is the STM32G431C8T6TR suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems due to its robust features and operating conditions.
- What development tools are supported by the STM32G431C8T6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development.
- Does the STM32G431C8T6TR have any security features?
Yes, it includes a memory protection unit (MPU), proprietary code readout protection (PCROP), and securable memory area.
- What is the purpose of the ART Accelerator in the STM32G431C8T6TR?
The ART Accelerator allows 0-wait-state execution from Flash memory, enhancing performance.
