Overview
The STM32G431RBI6 is a high-performance microcontroller from STMicroelectronics, part of the STM32G431x6/x8/xB family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz with 213 DMIPS. This microcontroller features a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU) to enhance application security. It is designed for a wide range of applications requiring high computational power, rich analog capabilities, and advanced communication interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| 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 | Two fast 12-bit ADCs (up to 23 channels) |
| DACs | Four 12-bit DAC channels (2 external, 2 internal) |
| Timers | One 32-bit timer, ten 16-bit timers, two watchdog timers |
| Communication Interfaces | Three I2Cs, three SPIs, three USARTs, one UART, one LPUART, one FDCAN, one SAI, USB 2.0 full-speed interface |
| Package | UFBGA 64 5x5x0.6 P 0.5 mm, LQFP 64 10x10x1.4 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 and FMAC for filter functions
- Rich analog peripherals: two fast 12-bit ADCs, four 12-bit DAC channels, three operational amplifiers, four ultra-fast rail-to-rail analog comparators
- Advanced communication interfaces: three I2Cs, three SPIs, three USARTs, one UART, one LPUART, one FDCAN, one SAI, USB 2.0 full-speed interface
- Low-power modes: sleep, stop, standby, and shutdown
- VBAT supply for RTC and backup registers
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
- Industrial control systems, including PLC solutions targeting SIL3 applications
- Battery-operated brushless power tools
- Automotive and transportation systems
- Medical devices requiring high computational power and low power consumption
- Consumer electronics and IoT devices
Q & A
- What is the core architecture of the STM32G431RBI6?
The STM32G431RBI6 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 STM32G431RBI6?
The maximum operating frequency is up to 170 MHz.
- How much Flash and SRAM memory does the STM32G431RBI6 have?
The device has 128 Kbytes of Flash memory and 22 Kbytes of SRAM.
- What are the operating voltage and temperature ranges for the STM32G431RBI6?
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), -40 to +125 °C (+130 °C junction).
- What types of analog peripherals are available on the STM32G431RBI6?
The device features two fast 12-bit ADCs, four 12-bit DAC channels, three operational amplifiers, and four ultra-fast rail-to-rail analog comparators.
- What communication interfaces are supported by the STM32G431RBI6?
The device supports three I2Cs, three SPIs, three USARTs, one UART, one LPUART, one FDCAN, one SAI, and a USB 2.0 full-speed interface.
- Does the STM32G431RBI6 support low-power modes?
Yes, it supports sleep, stop, standby, and shutdown low-power modes.
- What development tools are available for the STM32G431RBI6?
Development support includes serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- What are some typical applications for the STM32G431RBI6?
Typical applications include industrial control systems, battery-operated brushless power tools, automotive and transportation systems, medical devices, and consumer electronics.
- What packages are available for the STM32G431RBI6?
The device is available in UFBGA 64 5x5x0.6 P 0.5 mm and LQFP 64 10x10x1.4 mm packages.
