STMicroelectronics STM32G491VET6, 32bit ARM Cortex M4 Microcontroller MCU, STM32G4, 48MHz, 512 kB Flash, 100-Pin LQFP

RS-artikelnummer:: 215-0852
Tillv. art.nr:: STM32G491VET6
Tillverkare / varumärke:: STMicroelectronics

STMicroelectronics STM32G491VET6, 32bit ARM Cortex M4 Microcontroller MCU, STM32G4, 48MHz, 512 kB Flash, 100-Pin LQFP

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RS-artikelnummer:: 215-0852
Tillv. art.nr:: STM32G491VET6
Tillverkare / varumärke:: STMicroelectronics

The 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)
V_BAT 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

Attribute	Value
Family Name	STM32G4
Package Type	LQFP
Mounting Type	Surface Mount
Pin Count	100
Device Core	ARM Cortex M4
Data Bus Width	32bit
Program Memory Size	512 kB
Maximum Frequency	48MHz
Program Memory Type	Flash