Overview
The STM32G474CBT6, produced by STMicroelectronics, is a high-performance microcontroller based on the Arm Cortex-M4 32-bit RISC core. This device 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) for enhanced security. It is part of the STM32G474xB/xC/xE family, which is designed to offer a balance of performance, power efficiency, and advanced peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M4 CPU with FPU |
| Frequency | Up to 170 MHz with 213 DMIPS |
| Flash Memory | 512 Kbytes with ECC support, two banks read-while-write, PCROP, securable memory area |
| SRAM | 96 Kbytes with hardware parity check on the first 32 Kbytes, 32 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 | 5 x 12-bit ADCs, up to 42 channels, resolution up to 16-bit with hardware oversampling |
| DACs | 7 x 12-bit DAC channels, 3 external and 4 internal |
| Timers | 14 timers including 2 x 32-bit timers, 3 x 16-bit advanced motor control timers, and others |
| Communication Interfaces | 4 x I2Cs, 4 x SPIs, 3 x USARTs, 3 x FDCANs, USB 2.0 full-speed interface, etc. |
| Package Options | Various packages from 48-pin to 128-pin |
Key Features
- Arm Cortex-M4 32-bit RISC core with FPU, Adaptive real-time accelerator (ART Accelerator), and DSP instructions.
- Mathematical hardware accelerators: CORDIC for trigonometric functions and FMAC for filter functions.
- High-speed memories: 512 Kbytes of Flash memory, 96 Kbytes of SRAM, and 32 Kbytes of CCM SRAM.
- External memory interface for static memories (FSMC) and Quad-SPI memory interface.
- Advanced analog peripherals: 5 x 12-bit ADCs, 7 x 12-bit DAC channels, 7 x ultra-fast rail-to-rail analog comparators, and 6 x operational amplifiers.
- Rich set of timers: 2 x 32-bit timers, 3 x 16-bit advanced motor control timers, and others.
- Comprehensive communication interfaces: I2Cs, SPIs, USARTs, FDCANs, USB 2.0 full-speed interface, etc.
- Low-power modes: sleep, stop, standby, and shutdown.
- 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 automation and control systems.
- Medical devices requiring high precision and reliability.
- Aerospace and defense applications where robustness and security are critical.
- Automotive systems, including advanced driver-assistance systems (ADAS) and vehicle control units.
- Consumer electronics that demand high performance and low power consumption.
- IoT devices requiring advanced analog and digital capabilities.
Q & A
- What is the core architecture of the STM32G474CBT6?
The STM32G474CBT6 is based on the Arm Cortex-M4 32-bit RISC core with a single-precision floating-point unit (FPU) and DSP instructions.
- What is the maximum operating frequency of the STM32G474CBT6?
The maximum operating frequency is up to 170 MHz with 213 DMIPS.
- What types of memory does the STM32G474CBT6 have?
The device features 512 Kbytes of Flash memory, 96 Kbytes of SRAM, and 32 Kbytes of CCM SRAM.
- What are the key analog peripherals of the STM32G474CBT6?
The device includes 5 x 12-bit ADCs, 7 x 12-bit DAC channels, 7 x ultra-fast rail-to-rail analog comparators, and 6 x operational amplifiers.
- What communication interfaces are available on the STM32G474CBT6?
The device supports 4 x I2Cs, 4 x SPIs, 3 x USARTs, 3 x FDCANs, and a USB 2.0 full-speed interface among others.
- What are the low-power modes available on the STM32G474CBT6?
The device features sleep, stop, standby, and shutdown low-power modes.
- What is the operating voltage range of the STM32G474CBT6?
The operating voltage range is from 1.71 V to 3.6 V.
- What is the operating temperature range of the STM32G474CBT6?
The operating temperature range is from -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction).
- Does the STM32G474CBT6 support external memory interfaces?
Yes, it supports external memory interfaces for static memories (FSMC) and a Quad-SPI memory interface.
- What development tools are supported by the STM32G474CBT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell.
