STM32G491RET6

STM32G491RET6 is a mainstream Arm Cortex-M4 MCU. It is based on the high-performance Arm® Cortex®-M4 32bit RISC core. It operates at a frequency of upto 170MHz. 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. This device also embeds several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, securable memory area, and proprietary code readout protection. The device embeds peripherals allowing mathematical/arithmetic function acceleration (CORDIC for trigonometric functions and FMAC unit for filter functions). A comprehensive set of power-saving modes allows the design of low-power applications.

• 512Kbytes code size, 80Kbytes SRAM1, 16Kbytes SRAM2, 16Kbytes CCM SRAM, QUADSPI
• (3 (16bit) advanced motor control, 5 (16bit), 1 (32bit) general purpose) timers
• 2 (16bit) basic, 1 (16bit) low power, SysTick, watchdog (independent, window) timers
• (3 SPI, 2 I²S, 3 I²C, 3 USART, LPUART, 2 FDCANs, USB, UCPD, SAI) comm interfaces
• RTC, 2 tamper pins, random number generator, CORDIC, FMAC, 52 GPIOs, 4 wakeup pins
• (3) 12bit ADCs, 24 channels, (2) 12bit DAC, number of channel is 4 (2 external + 2 internal)
• Internal voltage reference buffer, 4 analogue comparator, 4 operational amplifiers
• 170MHz maximum CPU frequency, operating voltage range from 1.71V to 3.6V
• Programmable voltage detector (PVD), low-power modes: sleep, stop, standby and shutdown
• Operating temperature range from -40°C to 85°C, LQFP64 package