STM32F446ZET7

Introduction to STM32F446ZET7
- A 32-bit microcontroller from STMicroelectronics in the STM32F4 family, based on the ARM Cortex-M4F core.
- Core features: up to 180 MHz, Floating Point Unit, and DSP instructions for efficient math and signal processing.
- Memory: on-chip Flash and SRAM; exact sizes vary by device variant and package.
- Peripherals: multiple timers, 12‑bit ADCs, 12‑bit DAC, USB OTG (FS), CAN, I2C, SPI (including I2S), USART/UART, SDIO, DMA, RTC, and often an LCD/TFT controller.
- Power and performance: several low‑power modes and fast wakeup for embedded applications.
- Development: supported by STM32CubeMX/HAL/LL libraries; compatible with GCC, IAR, Keil, and other toolchains.
- Typical applications: motor control, audio processing, USB devices, consumer and industrial control, and general embedded systems.
- Suffix note: ZET7 specifies a particular package/temperature variant; consult the datasheet for exact memory, package, and electrical details.

STM32F446ZET7 features (highlights):
- 32‑bit ARM Cortex‑M4F core with FPU and DSP, up to 180 MHz
- Memory: up to 512 KB Flash, up to 128 KB RAM
- USB: USB OTG Full‑Speed
- Communication peripherals: CAN 2.0B, SDIO; SPI, I2C, USART/UART, I2S
- Analog: 12‑bit ADC with multiple channels (up to 16)
- Timers: rich mix of general‑purpose and advanced‑control timers
- DMA controller for efficient data transfer
- Power and temp: supply 1.7–3.6 V, operating range typically -40 to 105 °C
- Package: LQFP64 (ZET7)
Optional/notes:
- Integrated peripherals and exact counts may vary by package/revision.

- Pin count: 100 pins (LQFP-100 package).
- Function: 32-bit ARM Cortex-M4F microcontroller (STM32F4 family) with on-chip flash/RAM and a rich set of peripherals (USB OTG FS, CAN, SDIO, SPI, I2C, USART, ADCs, DACs, timers, etc.) for embedded control applications.

Manufacturer: STMicroelectronics (ST).
What kind of company: STMicroelectronics is a multinational semiconductor company that designs, develops, manufactures, and markets microelectronics, including the STM32 family of microcontrollers, sensors, analog and power devices. It serves automotive, industrial, consumer, and computing markets and is headquartered in Geneva, Switzerland. The company was formed in 1987 by the merger of France’s Thomson Semiconductors and Italy’s SGS Microelettronica.

Key application areas for STM32F446ZET7 (ARM Cortex-M4, DSP/FPU):
- Industrial motor control and power electronics (FOC, servo drives)
- Industrial automation and real-time control
- Consumer electronics, wearables and battery-powered devices
- Human-machine interfaces and displays (LCD/TFT)
- Audio and multimedia processing (I2S/PCM, DSP)
- USB/communication, data logging and sensor hubs
- IoT, smart home and embedded sensing
- Robotics, drones and autonomous systems
- Portable medical and instrumentation devices

LQFP-144 package (144-pin LQFP, 14x14 mm, 0.5 mm pitch).