STMicroelectronics STM32G491MET6, 32 bit ARM Cortex M4, STM32G491 Microcontroller, 48 MHz, 512kB FLASH, 100-Pin BGA

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Verpakkingsopties
RS-stocknr.:
215-0845
Fabrikantnummer:
STM32G491MET6
Fabrikant:
STMicroelectronics

Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration


The STMicroelectronics STM32G491xC/xE 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 (512 Kbytes of Flash memory, and 112 Kbytes of SRAM), a Quad SPI Flash memory interface, 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 three fast 12-bit ADCs (5 Msps), four comparators, four 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, three 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, two UARTs and one low-power UART.
    • ;
  • Two FDCANs
    • ;
  • One SAI
    • ;
  • USB device
    • ;
  • 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 STM32G491xC/xE family offers 9 packages from 32-pin to 100-pin.

    Key Features


    Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory, frequency up to 170 MHz with 213 DMIPS, MPU, DSP instructions

    Operating conditions:

    • VDD, VDDA voltage range: 1.71 V to 3.6 V

    Mathematical hardware accelerators

    • CORDIC for trigonometric functions acceleration
    • FMAC: filter mathematical accelerator

    Memories

    • 512 Kbytes of Flash memory with ECC support, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP
    • 96 Kbytes of SRAM, with hardware parity check implemented on the first 32 Kbytes
    • Routine booster: 16 Kbytes of SRAM on instruction and data bus, with hardware parity check (CCM SRAM)
    • Quad-SPI memory interface

    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

    16-channel DMA controller

    3 x ADCs 0.25 µs (up to 36 channels). Resolution up to 16-bit with hardware oversampling, 0 to 3.6 V conversion range

    4 x 12-bit DAC channels

    • 2 x buffered external channels 1 MSPS
    • 2 x unbuffered internal channels 15 MSPS

    4 x ultra-fast rail-to-rail analog comparators

    4 x operational amplifiers that can be used in PGA mode, all terminals accessible

    Internal voltage reference


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