Overview
The STM32F401CBU6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F401xB/STM32F401xC series. 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) 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.
The STM32F401CBU6 operates in a temperature range of -40 to +125 °C and is powered by a 1.7 to 3.6 V supply. It offers various power-saving modes, making it suitable for low-power applications.
Key Specifications
| Attribute | Specification |
|---|---|
| Core Processor | ARM Cortex-M4 |
| Program Memory Type | Flash |
| Flash Size | 128 kB |
| RAM Size | 64 kB |
| Speed | Up to 84 MHz |
| Number of I/O Lines | 36 |
| Number of Timers | 7 (6 x 16-bit, 2 x 32-bit) |
| Supply Voltage | 1.7 V to 3.6 V |
| Operating Temperature | -40 °C to +125 °C |
| On-Chip ADC | 1 x 12-bit, up to 16 channels |
| Watchdog Timers | 2 (independent and window) |
| Package Style | UFQFPN-48 |
| Mounting Method | Surface Mount |
Key Features
- High-Performance Core: Arm® Cortex®-M4 32-bit RISC core with FPU, operating at up to 84 MHz.
- Memory and Storage: Up to 256 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- Communication Interfaces: Up to 11 communication interfaces, including up to 3 I2C interfaces, up to 3 USARTs, up to 4 SPIs, and an SDIO interface.
- Advanced Connectivity: USB 2.0 full-speed device/host/OTG controller with on-chip PHY.
- Timers and Counters: Six 16-bit timers and two 32-bit timers, along with two watchdog timers.
- ADC and DAC: One 12-bit ADC with up to 16 channels.
- Power Management: Dynamic efficiency line with batch acquisition mode (BAM), and various low-power modes.
- Security Features: Memory protection unit (MPU) and a CRC calculation unit.
- I/O Capabilities: Up to 81 I/O ports with interrupt capability, all 5 V tolerant.
Applications
The STM32F401CBU6 is suitable for a wide range of applications due to its high performance, extensive peripheral set, and low-power capabilities. Some of the key application areas include:
- Industrial Automation: Motor control, industrial control systems, and automation equipment.
- Consumer Electronics: Audio and video devices, gaming consoles, and other consumer electronic products.
- Medical Devices: Medical diagnostic equipment, patient monitoring systems, and other medical applications requiring high precision and reliability.
- Aerospace and Defense: Various military and aerospace applications where high performance and reliability are critical.
- Automotive Systems: In-vehicle infotainment, driver assistance systems, and other automotive electronics.
Q & A
- What is the core processor of the STM32F401CBU6?
The core processor is the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32F401CBU6?
The maximum operating frequency is up to 84 MHz.
- How much Flash and RAM memory does the STM32F401CBU6 have?
The device has up to 256 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- What is the operating temperature range of the STM32F401CBU6?
The operating temperature range is -40 °C to +125 °C.
- What types of communication interfaces are available on the STM32F401CBU6?
The device includes up to 3 I2C interfaces, up to 3 USARTs, up to 4 SPIs, and an SDIO interface.
- Does the STM32F401CBU6 support USB connectivity?
Yes, it supports USB 2.0 full-speed device/host/OTG controller with on-chip PHY.
- How many timers does the STM32F401CBU6 have?
The device has six 16-bit timers and two 32-bit timers, along with two watchdog timers.
- What is the package style of the STM32F401CBU6?
The package style is UFQFPN-48.
- Is the STM32F401CBU6 suitable for low-power applications?
Yes, it offers various power-saving modes, including dynamic efficiency line with batch acquisition mode (BAM).
- Does the STM32F401CBU6 have any security features?
Yes, it includes a memory protection unit (MPU) and a CRC calculation unit.
