Overview
The STM32F401CBU3 is a high-performance microcontroller from STMicroelectronics, part of the STM32F401xB/STM32F401xC family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 84 MHz. The Cortex®-M4 core includes a Floating Point Unit (FPU) single precision, a memory protection unit (MPU), and a full set of DSP instructions. This microcontroller is designed for a wide range of applications, particularly those requiring high performance, low power consumption, and advanced peripherals.
Key Specifications
| Specification | Value |
|---|---|
| Core Processor | Arm® Cortex®-M4 32-bit RISC core |
| Maximum Clock Frequency | 84 MHz |
| Program Memory Size | Up to 256 Kbytes of Flash memory |
| SRAM | Up to 64 Kbytes |
| ADC Resolution | 12-bit, up to 16 channels |
| Timers | Up to six 16-bit timers, two 32-bit timers |
| Communication Interfaces | Up to 3 × I2C, 3 × USART, 4 × SPI, USB 2.0 full-speed device/host/OTG |
| Power Supply | 1.7 V to 3.6 V |
| Operating Temperature | -40 °C to +125 °C |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU, ART Accelerator™, and DSP instructions.
- Up to 256 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- 1.7 V to 3.6 V power supply with comprehensive power-saving modes.
- Operating temperature range from -40 °C to +125 °C.
- Advanced peripherals including 12-bit ADC, low-power RTC, and multiple timers.
- Extensive range of communication interfaces: I2C, USART, SPI, and USB 2.0.
- Dynamic efficiency line with batch acquisition mode (BAM).
- Up to 81 I/O ports with interrupt capability and 5 V tolerant.
- Serial wire debug (SWD) and JTAG interfaces for debugging.
- CRC calculation unit and 96-bit unique ID.
Applications
The STM32F401CBU3 microcontroller is suitable for a wide range of applications due to its high performance, low power consumption, and rich set of peripherals. These applications include:
- Industrial automation and control systems.
- Medical devices requiring precise control and low power consumption.
- Aerospace and defense systems where reliability and performance are critical.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, including motor control and advanced driver-assistance systems (ADAS).
- IoT devices that require efficient processing and communication capabilities.
Q & A
- What is the core processor of the STM32F401CBU3?
The core processor is the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum clock frequency of the STM32F401CBU3?
The maximum clock frequency is up to 84 MHz.
- How much Flash memory does the STM32F401CBU3 have?
The STM32F401CBU3 has up to 256 Kbytes of Flash memory.
- What is the resolution of the ADC in the STM32F401CBU3?
The ADC resolution is 12-bit with up to 16 channels.
- What are the power supply requirements for the STM32F401CBU3?
The power supply range is from 1.7 V to 3.6 V.
- What is the operating temperature range of the STM32F401CBU3?
The operating temperature range is from -40 °C to +125 °C.
- What communication interfaces are available on the STM32F401CBU3?
The microcontroller features I2C, USART, SPI, and USB 2.0 full-speed device/host/OTG interfaces.
- Does the STM32F401CBU3 support debugging interfaces?
- What is the package type of the STM32F401CBU3?
The package type is UFQFPN 48 7x7x0.55 mm.
- Is the STM32F401CBU3 RoHS compliant?
