Overview
The STM32G474CCU3 is a high-performance microcontroller from STMicroelectronics, part of the STM32G474xB/xC/xE family. It is based on the Arm® 32-bit Cortex®-M4 CPU, which includes a single-precision floating-point unit (FPU) and supports all Arm single-precision data-processing instructions and DSP instructions. This microcontroller operates at a frequency of up to 170 MHz and features an Adaptive real-time accelerator (ART Accelerator) for 0-wait-state execution from Flash memory. The device is designed to enhance application security with a memory protection unit (MPU) and various protection mechanisms for embedded Flash memory and SRAM.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) |
| Frequency | Up to 170 MHz with 213 DMIPS |
| Flash Memory | 512 Kbytes with ECC support, two banks read-while-write, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP |
| SRAM | 96 Kbytes with hardware parity check implemented on the first 32 Kbytes, 32 Kbytes of SRAM on instruction and data bus (CCM SRAM) |
| External Memory Interface | Flexible external memory controller (FSMC) for static memories, Quad-SPI Flash memory interface |
| 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 | Five fast 12-bit ADCs (4 Msps), up to 42 channels, resolution up to 16-bit with hardware oversampling |
| DACs | Seven 12-bit DAC channels (3 external and 4 internal) |
| Timers | Two 32-bit timers, eleven 16-bit timers, one 16-bit low-power timer, high resolution timer with 184 ps resolution |
| Communication Interfaces | Four I2Cs, four SPIs, three USARTs, two UARTs, one low-power UART, three FDCANs, one SAI, USB 2.0 full-speed interface, UCPD |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Mathematical hardware accelerators: CORDIC for trigonometric functions and FMAC for filter functions.
- High-speed memories: 512 Kbytes of Flash memory and 96 Kbytes of SRAM.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix.
- Protection mechanisms: readout protection, write protection, securable memory area, and proprietary code readout protection.
- Analog peripherals: five fast 12-bit ADCs, seven comparators, six operational amplifiers, and seven DAC channels.
- Communication interfaces: I2Cs, SPIs, USARTs, UARTs, FDCANs, SAI, USB 2.0 full-speed interface, and UCPD.
- Low-power modes: sleep, stop, standby, and shutdown.
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™.
Applications
- Industrial automation and control systems.
- Medical devices requiring high precision and reliability.
- Automotive systems, including advanced motor control and safety features.
- Consumer electronics needing advanced analog and digital capabilities.
- IoT devices requiring low power consumption and robust communication interfaces.
Q & A
- What is the core architecture of the STM32G474CCU3?
The STM32G474CCU3 is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and Adaptive real-time accelerator (ART Accelerator).
- What is the maximum operating frequency of the STM32G474CCU3?
The maximum operating frequency is up to 170 MHz with 213 DMIPS.
- How much Flash and SRAM memory does the STM32G474CCU3 have?
The device has 512 Kbytes of Flash memory and 96 Kbytes of SRAM.
- What are the key protection mechanisms in the STM32G474CCU3?
The device features readout protection, write protection, securable memory area, and proprietary code readout protection.
- What types of communication interfaces are available on the STM32G474CCU3?
The device includes I2Cs, SPIs, USARTs, UARTs, FDCANs, SAI, USB 2.0 full-speed interface, and UCPD.
- What are the operating voltage and temperature ranges for the STM32G474CCU3?
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).
- Does the STM32G474CCU3 support low-power modes?
Yes, it supports sleep, stop, standby, and shutdown low-power modes.
- What kind of development support does the STM32G474CCU3 offer?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- What is the package type of the STM32G474CCU3?
The package type is UFQFPN 48 7x7x0.55 mm.
- What are some of the key analog peripherals available on the STM32G474CCU3?
The device includes five fast 12-bit ADCs, seven comparators, six operational amplifiers, and seven DAC channels.
