STM32F439BIT6

STM32F439BIT6 is a high-performance microcontroller in ST’s STM32F4 family, built around an ARM Cortex-M4F core with DSP instructions and a floating-point unit, running up to 180 MHz. It can include up to 2 MB of Flash and up to 256 KB of RAM (sizes depend on the exact package).
Key peripherals and features:
- USB OTG Full-Speed, CAN, multiple UART/SPI/I2C, SDIO, and an external memory interface (FSMC)
- LCD-TFT controller (LTDC) for graphics/display
- Timers including advanced-control timers, 12-bit ADCs and DAC outputs
- DMA, various cryptographic/hash accelerators on some variants
- Flexible low-power modes
Package variants differ (BIT6 denotes a specific package/pin count); verify exact memory, pins, and peripherals in the datasheet for this exact device. Development supported via STM32CubeMX/HAL or LL libraries. Suitable for embedded graphics, multimedia, motor control, and industrial/consumer applications.

Key features of STM32F439BIT6 (STM32F439 family):
- CPU: ARM Cortex-M4F core with floating-point unit and DSP instructions, up to 180 MHz
- Memory: up to 2 MB Flash; up to 256 KB SRAM
- Peripherals: USB OTG full-speed/high-speed, CAN, SDIO, SPI, I2C, UART/USART, I2S
- Analog: multiple 12-bit ADC channels and DAC outputs
- Display/graphics: LCD-TFT controller (LTDC) and DMA2D for graphics acceleration
- Timers: advanced-control and general-purpose timers with PWM
- Memory interfaces: FSMC-compatible external memory interface
- Security/crypto: hardware CRYP, HASH and RNG accelerators
- DMA: multiple DMA streams for peripherals and memory
- Debug/trace: standard SWD/JTAG support
- Power/voltage: wide operating voltage (typical 1.7–3.6 V) with various low-power modes
- Package/temperature: industrial temperature range options available
Note: exact memory sizes and peripheral counts can vary by exact device variant within the STM32F439BIT6 family.

- Pin count: 100 pins (LQFP-100/package)
- Function: 32‑bit ARM Cortex‑M4 microcontroller (STM32F439 series) with on‑chip Flash/RAM and embedded peripherals for embedded applications.

Manufacturer: STMicroelectronics (commonly called ST).
What kind of company: STMicroelectronics is a multinational semiconductor company that designs and manufactures integrated circuits and discrete semiconductor devices — including microcontrollers (the STM32 family), analog and mixed‑signal ICs, power management, sensors (MEMS), and imaging solutions. It is headquartered in Geneva, Switzerland, with global R&D and manufacturing operations.

STM32F439BIT6 is a high‑performance Cortex‑M4 MCU with LCD‑TFT support, DSP, USB, CAN, multiple ADC/DAC, and rich timers. Common application areas include:
- HMI and graphic LCD/tFT displays (embedded GUI, digital signage)
- Industrial automation and motor control (PWM, DSP, data acquisition, CAN)
- Consumer multimedia devices (USB audio/video, I2S/DAC)
- Automotive instrument clusters and body electronics
- Medical and portable instrumentation (real-time DSP)
- Embedded GUI appliances and IoT gateways (CAN/SPI/I2S interfaces)

LQFP package — specifically the 100-pin LQFP (LQFP-100, 7x7 mm, 0.5 mm pitch).