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MCU 32-bit ARM Cortex M4 RISC 256KB Flash 2.5V/3.3V Medical 100-Pin LQFP Tray

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Brands: STMicroelectronics, Inc

Mfr.Part #: STM32F446VCT6

Datasheet: STM32F446VCT6 Datasheet (PDF)

Package/Case: 100-LQFP

Product Type: Embedded Processors & Controllers

RoHS Status:

Stock Condition: 2795 pcs, New Original

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STM32F446VCT6 General 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 supporting 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) that enhances application security.The STM32F446xC/E devices incorporate high-speed embedded memories (Flash memory up to 512 Kbytes, up to 128 Kbytes 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.Evaluation board with STM32F429NI MCU.STM32 Nucleo-144 development board with STM32F44.Discovery kit with STM32F407VG MCU * New order c.STM32 Nucleo-64 development board with STM32F446.ST-LINK/V2 in-circuit debugger/programmer for ST.



  • Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory, frequency up to 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
  • Memories
    • 512 Kbytes of Flash memory
    • 128 Kbytes of SRAM
    • Flexible external memory controller with up to 16-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories
    • Dual mode QuadSPI interface
  • LCD parallel interface, 8080/6800 modes
  • Clock, reset and supply management
    • 1.7 V to 3.6 V application supply and I/Os
    • POR, PDR, PVD and BOR
    • 4 to 26 MHz crystal oscillator
    • Internal 16 MHz factory-trimmed RC (1% accuracy)
    • 32 kHz oscillator for RTC with calibration
    • Internal 32 kHz RC with calibration
  • Low power
    • Sleep, Stop and Standby modes
    • VBAT supply for RTC, 20×32 bit backup registers plus optional 4 KB backup SRAM
  • 3× 12-bit, 2.4 MSPS ADC: up to 24 channels and 7.2 MSPS in triple interleaved mode
  • 2× 12-bit D/A converters
  • General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
  • Up to 17 timers: 2x watchdog, 1x SysTick timer and up to twelve 16-bit and two 32-bit timers up to 180 MHz, each with up to four IC/OC/PWM or pulse counter
  • Debug mode
    • SWD and JTAG interfaces
    • Cortex®-M4 Trace Macrocell™
  • Up to 114 I/O ports with interrupt capability
    • Up to 111 fast I/Os up to 90 MHz
    • Up to 112 5 V-tolerant I/Os
  • Up to 20 communication interfaces
    • SPDIF-Rx
    • Up to 4× I2C interfaces (SMBus/PMBus)
    • Up to four USARTs and two UARTs (11.25 Mbit/s, ISO7816 interface, LIN, IrDA, modem control)
    • Up to four SPIs (45 Mbits/s), three with muxed I2S for audio class accuracy via intern


Parameter Value Parameter Value
Manufacturer: STMicroelectronics Product Category: ARM Microcontrollers - MCU
RoHS: Details Series: STM32F446VC
Mounting Style: SMD/SMT Package / Case: LQFP-100
Core: ARM Cortex M4 Program Memory Size: 256 kB
Data Bus Width: 32 bit ADC Resolution: 3 x 12 bit
Maximum Clock Frequency: 180 MHz Number of I/Os: 81 I/O
Data RAM Size: 128 kB Supply Voltage - Min: 1.7 V
Supply Voltage - Max: 3.6 V Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 85 C Packaging: Tray
Analog Supply Voltage: 3.3 V Brand: STMicroelectronics
DAC Resolution: 12 bit I/O Voltage: 3.3 V
Moisture Sensitive: Yes Product: MCU+FPUs
Product Type: ARM Microcontrollers - MCU Factory Pack Quantity: 540
Subcategory: Microcontrollers - MCU Tradename: STM32
Unit Weight: 0.256653 oz


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Datasheet PDF

Preliminary Specification STM32F446VCT6 PDF Download

Key points

  • The STM32F446VCT6 chip is a microcontroller based on the ARM Cortex-M4 processor. It offers a combination of high performance, low power consumption, and extensive connectivity options for a wide range of applications. With features like 180 MHz clock speed, 512KB flash memory, and a rich set of peripherals, it is suitable for various projects requiring real-time control and advanced functionalities.
  • Equivalent

    There are multiple equivalent products to the STM32F446VCT6 chip, including STM32F446RET6, STM32F446VET6, and STM32F446ZET6. These chips offer similar specifications and functionalities and are compatible with the same development tools and software.
  • Features

    The STM32F446VCT6 is a high-performance microcontroller with 512KB Flash memory, 128KB SRAM, and a maximum operating frequency of 180MHz. It has an advanced ARM Cortex-M4 core, offers a wide range of communication interfaces, has multiple timers and ADCs, and supports a variety of power saving modes.
  • Pinout

    The STM32F446VCT6 is a microcontroller with 100 pins. It has various functions, including providing 512KB of flash memory, 128KB of SRAM, and a range of connectivity options such as USB, CAN, SPI, and I2C. Additionally, it features a high-performance ARM Cortex-M4 core with a floating-point unit.
  • Manufacturer

    The manufacturer of the STM32F446VCT6 is STMicroelectronics. STMicroelectronics is a multinational semiconductor company that designs, develops, manufactures, and markets a wide range of microcontrollers, as well as other electronic components and systems.
  • Application Field

    The STM32F446VCT6 is a microcontroller with extensive application areas. Some of its common usage includes power management, industrial control systems, healthcare devices, home appliances, consumer electronics, and automotive applications. It is also suitable for Internet of Things (IoT) devices, robotics, and smart devices that require advanced processing capabilities and connectivity options.
  • Package

    The STM32F446VCT6 chip is packaged in a LQFP (Low Profile Quad Flat Package) form with 100 pins. Its size is specified with dimensions of 14mm x 14mm.

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