STM32F401CD datasheet(10/135 Pages) STMICROELECTRONICS

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Description

STM32F401xD STM32F401xE

10/135

DocID025644 Rev 3

Description

The STM32F401XD/XE devices are based on the high-performance ARM® Cortex® -M4 32-

bit RISC core operating at a frequency of up to 84 MHz. Its Cortex®-M4 core features a

Floating point unit (FPU) single precision which supports all ARM single-precision data-

processing instructions and data types. It also implements a full set of DSP instructions and

a memory protection unit (MPU) which enhances application security.

The STM32F401xD/xE incorporate high-speed embedded memories (512 Kbytes of Flash

memory, 96 Kbytes of SRAM), and 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.

All devices offer one 12-bit ADC, a low-power RTC, six general-purpose 16-bit timers

including one PWM timer for motor control, two general-purpose 32-bit timers. They also

feature standard and advanced communication interfaces.

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Up to three I2Cs

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Up to four SPIs

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Two full duplex I2Ss. To achieve audio class accuracy, the I2S peripherals can be

clocked via a dedicated internal audio PLL or via an external clock to allow

synchronization.

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Three USARTs

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SDIO interface

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USB 2.0 OTG full speed interface

Refer to for the peripherals available for each part number.

The STM32F401xD/xE operate in the –40 to +105 °C temperature range from a 1.7 (PDR

OFF) to 3.6 V power supply. A comprehensive set of power-saving mode allows the design

of low-power applications.

These features make the STM32F401xD/xE microcontrollers suitable for a wide range of

applications:

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Motor drive and application control

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Medical equipment

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Industrial applications: PLC, inverters, circuit breakers

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Printers, and scanners

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Alarm systems, video intercom, and HVAC

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Home audio appliances

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Mobile phone sensor hub

Figure 3 shows the general block diagram of the devices.

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