Overview
The STM32F401CBU6TR 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, supporting all Arm single-precision data-processing instructions and data types, as well as a full set of DSP instructions and a Memory Protection Unit (MPU) for enhanced application security.
The device features high-speed embedded memories, including up to 256 Kbytes of Flash memory and up to 64 Kbytes of SRAM. It also includes an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit RISC core |
| Operating Frequency | Up to 84 MHz |
| Flash Memory | Up to 256 Kbytes |
| SRAM | Up to 64 Kbytes |
| Operating Temperature | -40 to +125 °C |
| Power Supply | 1.7 V to 3.6 V |
| ADC | 1 x 12-bit ADC |
| Timers | 6 x 16-bit timers, 2 x 32-bit timers |
| I/O Ports | Up to 81 I/O ports with interrupt capability |
| Communication Interfaces | Up to 11 interfaces including USARTs, SPIs, I2C, USB 2.0 |
| RTC | Low-power RTC with subsecond accuracy, hardware calendar |
Key Features
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU and DSP instructions.
- High-speed embedded memories: up to 256 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- Extensive range of enhanced I/Os and peripherals.
- Up to 81 I/O ports with interrupt capability, all 5 V tolerant.
- Advanced communication interfaces including up to 3 USARTs, 4 SPIs, 3 I2C interfaces, and USB 2.0 full-speed device/host/OTG controller.
- Low-power RTC with subsecond accuracy and hardware calendar.
- Comprehensive set of power-saving modes for low-power applications.
- ECOPACK2 compliant packages.
Applications
The STM32F401CBU6TR microcontroller is suitable for a wide range of applications due to its high performance, extensive peripheral set, and low-power capabilities. These applications include:
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Consumer electronics.
- IoT devices.
- Motor control and power management systems.
Q & A
- What is the core architecture of the STM32F401CBU6TR?
The STM32F401CBU6TR is based on the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32F401CBU6TR?
The maximum operating frequency is up to 84 MHz.
- How much Flash and SRAM memory does the STM32F401CBU6TR have?
It has up to 256 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- What is the operating temperature range of the STM32F401CBU6TR?
The operating temperature range is -40 to +125 °C.
- What types of communication interfaces are available on the STM32F401CBU6TR?
It includes USARTs, SPIs, I2C interfaces, and a USB 2.0 full-speed device/host/OTG controller.
- Does the STM32F401CBU6TR have any power-saving features?
Yes, it has a comprehensive set of power-saving modes for low-power applications.
- What is the purpose of the Memory Protection Unit (MPU) in the STM32F401CBU6TR?
The MPU enhances application security by providing memory protection.
- How many I/O ports does the STM32F401CBU6TR have?
It has up to 81 I/O ports with interrupt capability.
- Is the STM32F401CBU6TR compliant with any environmental standards?
Yes, it is ECOPACK2 compliant.
- What are some typical applications for the STM32F401CBU6TR?
It is suitable for industrial control systems, medical devices, automotive systems, consumer electronics, IoT devices, and motor control and power management systems.
