Overview
The STM32G474RCT3 is a high-performance microcontroller from STMicroelectronics, based on the Arm Cortex-M4 32-bit RISC core. It operates at a frequency of up to 170 MHz and features a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU), enhancing security and data processing capabilities. This device is equipped with high-speed memories, a flexible external memory controller, a Quad-SPI Flash memory interface, and an extensive range of I/Os and peripherals, making it suitable for various applications including IoT, automotive, and industrial projects.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | STMicroelectronics | Series | STM32G4 |
| Core | Arm Cortex-M4 | Operating Frequency | Up to 170 MHz |
| Supply Voltage Min | 1.71 V | Supply Voltage Max | 3.6 V |
| Operating Temperature Min | -40 °C | Operating Temperature Max | 125 °C |
| Flash Memory | Up to 512 Kbytes | SRAM | Up to 128 Kbytes |
| Package | LQFP 64 10x10x1.4 mm | RoHS Compliance | Ecopack2 |
| ADCs | 5 x 12-bit (4 Msps) | DACs | 7 channels (3 external, 4 internal) |
| Timers | 2 x 32-bit, 11 x 16-bit | USART/UART | 5 x USART/UARTs |
| SPI | 4 x SPIs | I2C | 4 x I2Cs |
| CAN | 3 x FDCANs | USB | USB 2.0 full-speed interface |
Key Features
- Core and Performance: Arm Cortex-M4 32-bit RISC core with a single-precision floating-point unit (FPU) and DSP instructions, operating at up to 170 MHz.
- Memory and Storage: Up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM, with a flexible external memory controller and Quad-SPI Flash memory interface.
- Analog and Digital Peripherals: Five fast 12-bit ADCs, seven DAC channels, six operational amplifiers, and seven comparators.
- Communication Interfaces: Four I2Cs, four SPIs, three USARTs, two UARTs, one low-power UART, three FDCANs, and a USB 2.0 full-speed interface.
- Power Management: Low-power modes (sleep, stop, standby, and shutdown), voltage regulation, and independent power supplies for analog components.
- Mathematical Accelerators: CORDIC for trigonometric functions and FMAC for filter functions.
- Security Features: Memory protection unit (MPU), readout protection, write protection, securable memory area, and proprietary code readout protection).
Applications
- IoT Projects: Suitable for various Internet of Things applications due to its low power consumption and extensive range of peripherals.
- Automotive Systems: Used in automotive applications requiring high performance, security, and reliability).
- Industrial Control: Ideal for industrial control systems that need advanced analog and digital capabilities).
- Communications Equipment: Can be used in communications equipment and computers due to its advanced communication interfaces).
Q & A
- Q: What is the core architecture of the STM32G474RCT3?
A: The STM32G474RCT3 is based on the Arm Cortex-M4 32-bit RISC core with a single-precision floating-point unit (FPU) and DSP instructions).
- Q: What is the maximum operating frequency of the STM32G474RCT3?
A: The maximum operating frequency is up to 170 MHz).
- Q: What types of memory does the STM32G474RCT3 have?
A: It has up to 512 Kbytes of Flash memory and 128 Kbytes of SRAM).
- Q: What are the key analog peripherals of the STM32G474RCT3?
A: It includes five fast 12-bit ADCs, seven DAC channels, six operational amplifiers, and seven comparators).
- Q: What communication interfaces are available on the STM32G474RCT3?
A: It features four I2Cs, four SPIs, three USARTs, two UARTs, one low-power UART, three FDCANs, and a USB 2.0 full-speed interface).
- Q: What are the power management capabilities of the STM32G474RCT3?
A: It includes low-power modes (sleep, stop, standby, and shutdown), voltage regulation, and independent power supplies for analog components).
- Q: How does the STM32G474RCT3 ensure security?
A: It includes a memory protection unit (MPU), readout protection, write protection, securable memory area, and proprietary code readout protection).
- Q: What is the operating temperature range of the STM32G474RCT3?
A: The operating temperature range is from -40 °C to 125 °C).
- Q: Is the STM32G474RCT3 RoHS compliant?
A: Yes, it is RoHS compliant with Ecopack2 certification).
- Q: Where can I find detailed documentation and datasheets for the STM32G474RCT3?
A: Detailed documentation and datasheets can be found on the STMicroelectronics official website and through authorized distributors).
