ARM® Cortex®-M4F STM32G4 Microcontroller IC 32-Bit 170MHz 512KB (512K x 8) FLASH 64-LQFP (10x10)

The STM32G491RET6 from STMicroelectronics is a high-performance 32-bit microcontroller based on the Arm® Cortex®-M4 core with Floating Point Unit (FPU), designed for advanced embedded applications requiring high computational performance, precise analog processing, and real-time control. It belongs to the STM32G4 series and integrates enhanced analog peripherals, motor-control timers, communication interfaces, security features, and hardware accelerators such as CORDIC and FMAC.

The device operates at up to 170 MHz, provides 512 KB Flash memory, and includes 96 KB SRAM, making it suitable for applications such as motor control, digital power conversion, industrial automation, robotics, and embedded control systems.

Key Features Core: Arm® Cortex®-M4 32-bit CPU with FPU, DSP instructions, and MPU Maximum CPU Frequency: Up to 170 MHz (up to 213 DMIPS) Memory: 512 KB Flash memory with ECC support 96 KB SRAM with parity checking features Quad-SPI memory interface Operating Voltage: 1.71 V to 3.6 V Package: LQFP-64 Advanced Analog Features: 3 × 12-bit ADCs with high-speed conversion 4 × 12-bit DAC channels 4 × Rail-to-Rail operational amplifiers 4 × Fast analog comparators Internal voltage reference buffer Hardware Accelerators: CORDIC accelerator for trigonometric calculations FMAC (Filter Math Accelerator) for digital filtering applications Timers & Motor Control: Advanced PWM timers for motor-control applications Multiple 16-bit and 32-bit timers Support for encoder and PWM control Communication Interfaces: 2 × FDCAN interfaces 5 × USART/UART 3 × SPI interfaces 3 × I²C interfaces USB 2.0 Full-Speed interface SAI audio interface Security Features: True Random Number Generator (TRNG) CRC calculation unit Unique device ID Debug & Programming: SWD and JTAG debugging support

Typical Applications Motor control and BLDC controllers Digital power converters Industrial automation equipment Robotics and motion control Smart sensors and embedded control systems Power management applications

#STM32G491RET6 #STM32G4 #STMicroelectronics #ARM_CortexM4 #Microcontroller #MCU #EmbeddedSystems #MotorControl #DigitalPower #IndustrialAutomation #Robotics #IoT #ElectronicsDesign #PCBDesign