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STM32G431CBU6

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STM32G431CBU6 Overview

The STM32G431x6/x8/xB devices are based on the high-performance Arm® Cortex®-M4 32-bit RISC core. They operate at a frequency of up to 170 MHz.

The Cortex-M4 core features a single-precision floating-point unit (FPU), which supports all the Arm single-precision data-processing instructions and all the data types. It also implements a full set of DSP (digital signal processing) instructions and a memory protection unit (MPU) which enhances the application’s security.
These devices embed high-speed memories (128 Kbytes of Flash memory, and 32 Kbytes of SRAM), an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.
The devices also embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, securable memory area and proprietary code readout protection.
The devices embed peripherals allowing mathematical/arithmetic function acceleration (CORDIC for trigonometric functions and FMAC unit for filter functions).
They offer two fast 12-bit ADCs (5 Msps), four comparators, three operational amplifiers, four DAC channels (2 external and 2 internal), an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timers, two 16-bit PWM timers dedicated to motor control, seven general-purpose 16-bit timers, and one 16-bit low-power timer.
They also feature standard and advanced communication interfaces such as: three I2Cs, three SPIs multiplexed with two half duplex I2Ss, three USARTs, one UART and one low-power UART, one FDCAN, one SAI, one USB device and one UCPD.
The devices operate in the -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction) temperature ranges from a 1.71 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.
Some independent power supplies are supported including an analog independent supply input for ADC, DAC, OPAMPs and comparators. A VBAT input allows backup of the RTC and the registers.
The STM32G431x6/x8/xB family offers 9 packages from 32-pin to 100-pin.

ECAD Model

Symbol

STM32G431CBU6

Footprint

STM32G431CBU6

Features

  • VDD, VDDA voltage range: 1.71 V to 3.6 V
  • 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 implemented on the first 16 Kbytes
    • Routine booster: 10 Kbytes of SRAM on instruction and data bus, with hardware parity check (CCM SRAM)
  • Reset and supply management
    • Power-on/power-down reset (POR/PDR/BOR)
    • Programmable voltage detector (PVD)
    • Low-power modes: sleep, stop, standby and shutdown
    • VBAT supply for RTC and backup registers
  • Clock management
    • 4 to 48 MHz crystal oscillator
    • 32 kHz oscillator with calibration
    • Internal 16 MHz RC with PLL option (± 1%)
    • Internal 32 kHz RC oscillator (± 5%)
  • Up to 86 fast I/Os
    • All mappable on external interrupt vectors
    • Several I/Os with 5 V tolerant capability
  • Interconnect matrix
  • 12-channel DMA controller
  • 2 x ADCs 0.25 μs(up to 23 channels). Resolution up to 16-bit with hardware oversampling, 0 to 3.6 V conversion range
  • Applications

    STM32G4

    Specifications

    • Core Processor ARM Cortex M4F

    • Speed 170MHz

    • Operating Temperature -40℃ ~ 85℃ (TA)

    • Program Memory Type FLASH

    • RAM Size 32K x 8

    • Number of I/O 42

    • Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT

    • Mounting Type Surface Mount

    • Oscillator Type Internal

    • Supplier Device Package 48-UFQFPN (7x7)

    • Package / Case 48-UFQFN Exposed Pad

    • Core Size 32-Bit

    • Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART

    • Program Memory Size 128KB (128K x 8)

    • Data Converters A/D 18x12b; D/A 4x12b

    • Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V

    Circuit Diagram

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