Overview
The STM32F401VBH6 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 128 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 multiple buses, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), frequency up to 84 MHz |
| Memories | Up to 128 Kbytes of Flash memory, 512 bytes of OTP memory, up to 64 Kbytes of SRAM |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Temperature Range | -40 °C to 85/105/125 °C |
| Clock and Reset | 4-to-26 MHz crystal oscillator, internal 16 MHz factory-trimmed RC, 32 kHz oscillator for RTC with calibration |
| ADC | 1 × 12-bit, 2.4 MSPS A/D converter, up to 16 channels |
| Timers | Up to six 16-bit timers, two 32-bit timers, two watchdog timers, and a SysTick timer |
| Communication Interfaces | Up to 3 × I2C interfaces, up to 3 USARTs, up to 4 SPIs, USB 2.0 full-speed device/host/OTG controller |
| I/Os | Up to 81 I/O ports with interrupt capability, all IO ports 5 V tolerant |
| Power Consumption | Run: 128 μA/MHz (peripheral off), Stop: down to 10 μA typ @ 25 °C, Standby: 2.4 μA @25 °C / 1.7 V without RTC |
Key Features
- Dynamic efficiency line with Batch Acquisition Mode (BAM)
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™)
- High-speed embedded memories: up to 128 Kbytes of Flash memory, up to 64 Kbytes of SRAM
- Extensive range of enhanced I/Os and peripherals connected to multiple buses
- Low-power modes: Stop, Standby, and Deep power down modes for low-power applications
- Advanced communication interfaces: I2C, USART, SPI, USB 2.0 full-speed device/host/OTG controller
- General-purpose DMA: 16-stream DMA controllers with FIFOs and burst support
- RTC with subsecond accuracy, hardware calendar
- Serial wire debug (SWD) & JTAG interfaces, Cortex®-M4 Embedded Trace Macrocell™
Applications
The STM32F401VBH6 is suitable for a wide range of applications due to its high performance, low power consumption, and extensive peripheral set. Some typical 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 STM32F401VBH6?
The STM32F401VBH6 is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU) and Adaptive real-time accelerator (ART Accelerator™).
- What is the maximum clock frequency of the STM32F401VBH6?
The maximum clock frequency is up to 84 MHz.
- What are the memory specifications of the STM32F401VBH6?
It features up to 128 Kbytes of Flash memory, 512 bytes of OTP memory, and up to 64 Kbytes of SRAM.
- What is the power supply range for the STM32F401VBH6?
The power supply range is from 1.7 V to 3.6 V.
- What are the temperature operating ranges for the STM32F401VBH6?
The device operates in the -40 °C to 85/105/125 °C temperature range.
- What communication interfaces are available on the STM32F401VBH6?
The device includes I2C, USART, SPI, and USB 2.0 full-speed device/host/OTG controller interfaces.
- How many I/O ports does the STM32F401VBH6 have?
It has up to 81 I/O ports with interrupt capability, all of which are 5 V tolerant.
- What are the power consumption modes of the STM32F401VBH6?
The device features Run, Stop, and Standby modes, with power consumption as low as 10 μA in Deep power down mode.
- Does the STM32F401VBH6 support debug modes?
Yes, it supports serial wire debug (SWD) & JTAG interfaces and Cortex®-M4 Embedded Trace Macrocell™.
- What is the RTC accuracy of the STM32F401VBH6?
The RTC has subsecond accuracy and includes a hardware calendar.
- Is the STM32F401VBH6 RoHS compliant?
Yes, the STM32F401VBH6 is RoHS compliant with an Ecopack2 grade.
