STM32F401CDU6 datasheet(10/135 Pages) STMICROELECTRONICS

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STM32F401xB STM32F401xC

Description

The STM32F401XB/STM32F401XC devices are based on the high-performance

ARM® Cortex® -M4 32-bit RISC core operating at a frequency of up to 84 MHz. The

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 STM32F401xB/STM32F401xC incorporate high-speed embedded memories (up to

256 Kbytes of Flash memory, up to 64 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.

•

Up to three I2Cs

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Up to four SPIs

•

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

•

SDIO interface

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USB 2.0 OTG full speed interface

Refer to Table 2: STM32F401xB/C features and peripheral counts for the peripherals

available for each part number.

The STM32F401xB/STM32F401xC 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 STM32F401xB/STM32F401xC microcontrollers suitable for a

wide range of applications:

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Motor drive and application control

•

Medical equipment

•

Industrial applications: PLC, inverters, circuit breakers

•

Printers, and scanners

•

Alarm systems, video intercom, and HVAC

•

Home audio appliances

•

Mobile phone sensor hub

Figure 3 shows the general block diagram of the devices.

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