Overview
The STM32G491CCU6 is a high-performance microcontroller from STMicroelectronics, part of the STM32G491xC/xE family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz with a single-precision floating-point unit (FPU) and DSP instructions. This microcontroller is designed for applications requiring high computational power, advanced peripherals, and robust security features.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) |
| Frequency | Up to 170 MHz with 213 DMIPS |
| Memories | 512 Kbytes of flash memory, 96 Kbytes of SRAM, 16 Kbytes of CCM SRAM |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction) |
| ADCs | Three 12-bit ADCs (4 Msps), up to 36 channels |
| DACs | Four 12-bit DAC channels (two external, two internal) |
| Timers | One 32-bit timer, eleven 16-bit timers, two watchdog timers |
| Communication Interfaces | Three I2Cs, three SPIs, five USART/UARTs, two FDCAN controllers, USB 2.0 full-speed interface |
| Power Modes | Sleep, stop, standby, and shutdown |
| Package Options | Nine packages from 32-pin to 100-pin |
Key Features
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from flash memory
- Mathematical hardware accelerators: CORDIC for trigonometric functions and FMAC for filter functions
- High-speed memories: 512 Kbytes of flash memory with ECC support, 96 Kbytes of SRAM with hardware parity check
- Quad-SPI flash memory interface
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix
- Advanced communication interfaces including I2C, SPI, USART, FDCAN, USB 2.0 full-speed, and SAI
- Low-power modes: sleep, stop, standby, and shutdown
- VBAT supply for RTC and backup registers
- True random number generator (RNG), CRC calculation unit, and 96-bit unique ID
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
- Industrial control systems
- Medical devices requiring high computational power and precision
- Automotive systems, including advanced motor control and safety features
- Consumer electronics needing robust security and low power consumption
- IoT devices requiring advanced communication interfaces and low power modes
Q & A
- What is the core architecture of the STM32G491CCU6?
The STM32G491CCU6 is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and DSP instructions.
- What is the maximum operating frequency of the STM32G491CCU6?
The maximum operating frequency is up to 170 MHz with 213 DMIPS.
- What types of memories are available on the STM32G491CCU6?
The device features 512 Kbytes of flash memory, 96 Kbytes of SRAM, and 16 Kbytes of CCM SRAM.
- What are the operating voltage and temperature ranges for the STM32G491CCU6?
The operating voltage range is 1.71 V to 3.6 V, and the operating temperature range is -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction).
- What types of analog-to-digital converters (ADCs) are available on the STM32G491CCU6?
The device includes three 12-bit ADCs with a conversion speed of up to 4 Msps and up to 36 channels.
- What communication interfaces are supported by the STM32G491CCU6?
The device supports various communication interfaces including I2C, SPI, USART, FDCAN, USB 2.0 full-speed, and SAI.
- What power-saving modes are available on the STM32G491CCU6?
The device features sleep, stop, standby, and shutdown power-saving modes.
- Does the STM32G491CCU6 support any specific security features?
Yes, it includes features such as readout protection, write protection, securable memory area, and proprietary code readout protection (PCROP).
- What development tools are supported by the STM32G491CCU6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development.
- Is the STM32G491CCU6 compliant with any environmental standards?
Yes, all packages are ECOPACK2 compliant.
- What are the package options available for the STM32G491CCU6?
The device is available in nine packages ranging from 32-pin to 100-pin).
