STMicroelectronics STM32G491CCT6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32G4
Packaging Bulk | NULL
Core Processor ARM® Cortex®-M4
Core Size 32-Bit
Speed 170MHz
Connectivity CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 38
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 112K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 18x12b SAR; D/A 4x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32G491CCT6 from STMicroelectronics is a high-performance 32-bit microcontroller built on the ARM Cortex-M4 core. It delivers 170 MHz processing speed with 256KB flash and 112KB SRAM, ideal for compute-intensive embedded applications. The device integrates advanced analog peripherals, multiple communication interfaces, and robust power management features. Its 48-LQFP package and wide voltage range make it a versatile choice for industrial, automotive, and consumer electronics.

  • High-Speed Processing: 170 MHz Cortex-M4 core accelerates complex algorithms and real-time control tasks.
  • Large Memory Footprint: 256KB flash and 112KB RAM support data-intensive applications without external memory.
  • Rich Peripheral Set: DMA, I2S, PWM, and watchdog timers reduce external component count and simplify design.
  • Wide Voltage Range: 1.71V to 3.6V operation enables flexible power supply design for battery or regulated systems.

Industrial Motor Control

The 170 MHz Cortex-M4 core with advanced PWM timers enables precise, high-frequency motor control loops for brushless DC and stepper motors, improving efficiency and reducing acoustic noise.

Digital Power Conversion

With fast ADC and high-resolution timers, the STM32G491CCT6 supports digital switch-mode power supplies (SMPS) requiring tight voltage regulation and fast transient response.

Embedded Audio Processing

The integrated I2S interface and DMA controller allow low-latency audio data streaming for applications like voice assistants, audio effects processors, and smart speakers.

Automotive Body Electronics

Operating from 1.71V to 3.6V and with a -40°C to 85°C range, it suits automotive body control modules, lighting systems, and sensor hubs requiring reliable low-power operation.

Smart Sensors and IoT Nodes

The 256KB flash and 112KB RAM provide ample space for sensor fusion algorithms, while low-power modes extend battery life in wireless IoT edge devices.

Robotics and Drones

High-speed PWM and multiple communication interfaces enable real-time control of servos, ESCs, and navigation sensors in compact robotic platforms.

Q: What is the maximum operating frequency of the STM32G491CCT6?
A: The STM32G491CCT6 operates at up to 170 MHz, providing high-performance computation for real-time control applications.
Q: What is the supply voltage range?
A: It supports a supply voltage range of 1.71V to 3.6V, enabling flexible power design for battery or regulated supplies.
Q: What package is available?
A: It comes in a 48-LQFP package, suitable for compact PCB layouts in industrial and consumer designs.
Q: Does it include advanced peripherals?
A: Yes, it features DMA, I2S, PWM, and watchdog timers, along with brown-out detection and power-on reset for robust operation.
Base Product Number : STM32G491CCT6
112KB RAM 170MHz 256KB Flash 32-bit MCU 48-LQFP ARM Cortex-M4 audio processing automotive digital power industrial control IoT motor control STM32G4 STM32G491CCT6
Q: What is the maximum operating frequency of the STM32G491CCT6?
A: The STM32G491CCT6 operates at up to 170 MHz, providing high-performance computation for real-time control applications.
Q: What is the supply voltage range?
A: It supports a supply voltage range of 1.71V to 3.6V, enabling flexible power design for battery or regulated supplies.
Q: What package is available?
A: It comes in a 48-LQFP package, suitable for compact PCB layouts in industrial and consumer designs.
Q: Does it include advanced peripherals?
A: Yes, it features DMA, I2S, PWM, and watchdog timers, along with brown-out detection and power-on reset for robust operation.