STM32F446MC datasheet(12/201 Pages) STMICROELECTRONICS

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Description

STM32F446xC/E

12/201

DocID027107 Rev 5

Description

The STM32F446xC/E devices are based on the high-performance ARM® Cortex®-M4 32-bit

RISC core operating at a frequency of up to 180 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 STM32F446xC/E devices incorporate high-speed embedded memories (Flash memory

up to 512 Kbyte, up to 128 Kbyte of SRAM), up to 4 Kbytes of backup 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 three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose

16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers.

They also feature standard and advanced communication interfaces.

•

Up to four I2Cs;

•

Four SPIs, three I2Ss full simplex. 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;

•

Four USARTs plus two UARTs;

•

An USB OTG full-speed and an USB OTG high-speed with full-speed capability (with

the ULPI), both with dedicated power rails allowing to use them throughout the entire

power range;

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Two CANs;

•

Two SAIs serial audio interfaces. To achieve audio class accuracy, the SAIs can be

clocked via a dedicated internal audio PLL;

•

An SDIO/MMC interface;

•

Camera interface;

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HDMI-CEC;

•

SPDIF Receiver (SPDIFRx);

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QuadSPI.

Advanced peripherals include an SDIO, a flexible memory control (FMC) interface, a

camera interface for CMOS sensors. Refer to Table 2: STM32F446xC/E features and

peripheral counts for the list of peripherals available on each part number.

The STM32F446xC/E devices operates in the –40 to +105 °C temperature range from a 1.7

to 3.6 V power supply.

The supply voltage can drop to 1.7 V with the use of an external power supply supervisor

(refer to Section 3.16.2: Internal reset OFF). A comprehensive set of power-saving mode

allows the design of low-power applications.

The STM32F446xC/E devices offer devices in 6 packages ranging from 64 pins to 144 pins.

The set of included peripherals changes with the device chosen.

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