STMicroelectronics STM32F439IIH7

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F4
Packaging Tray | NULL
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 180MHz
Connectivity CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTG
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Number of I/O 140
Program Memory Size 2MB (2M x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 256K x 8
Voltage - Supply (Vcc/Vdd) 1.7V ~ 3.6V
Data Converters A/D 24x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 176+25UFBGA (10x10)
Package / Case 201-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F439IIH7 is a high-performance microcontroller from STMicroelectronics, built on the ARM Cortex-M4 core. It delivers 180 MHz processing speed, 2 MB of Flash memory, and 256 KB of RAM, making it suitable for complex embedded applications. Its feature set includes DMA, PWM, WDT, and an integrated LCD controller, all within a compact 201-UFBGA package. Designed for industrial, medical, and automotive environments, it operates reliably across a wide temperature range.

  • High Processing Power: 180 MHz Cortex-M4 core accelerates complex algorithms and real-time tasks.
  • Large Memory Capacity: 2 MB Flash and 256 KB RAM support extensive application code and data buffering.
  • Integrated LCD Controller: Reduces external component count and simplifies display interface design.
  • Wide Temperature Range: -40°C to 105°C ensures reliable operation in harsh environments.

High-Performance Industrial Control

With a 180 MHz ARM Cortex-M4 core and 2 MB Flash, the STM32F439IIH7 handles complex real-time control loops and predictive maintenance algorithms in PLCs and robotic controllers.

Advanced Human-Machine Interfaces (HMI)

The integrated LCD controller and rich PWM channels enable vibrant graphical displays and precise backlight dimming in medical devices and industrial panels.

Smart Grid and Energy Management

Its low-voltage operation (1.7V) and multiple communication interfaces make it ideal for smart meters and power monitoring units that require energy-efficient, reliable data acquisition.

Medical Monitoring Equipment

The DMA controller and high-speed ADC support continuous, low-latency data streaming for patient vital sign monitors, ensuring accurate real-time readings.

Automotive Body Electronics

Operating from -40°C to 105°C, this MCU suits automotive body control modules, managing lighting, wipers, and seat controls with robust PWM and WDT features.

IoT Gateway Processors

Combining high memory density and multiple I2S interfaces, it serves as a central processor in IoT gateways, handling protocol conversion and local data processing.

Q: What is the maximum clock speed of the STM32F439IIH7?
A: The STM32F439IIH7 operates at up to 180 MHz.
Q: What is the program memory size?
A: It has 2 MB of Flash memory.
Q: What is the operating voltage range?
A: It operates from 1.7V to 3.6V.
Q: Does it include an LCD controller?
A: Yes, it features an integrated LCD controller.
Base Product Number : STM32F439II
180MHz 2MB Flash 32-bit MCU ARM Cortex-M4 automotive industrial LCD controller medical STM32F439IIH7 UFBGA
Q: What is the maximum clock speed of the STM32F439IIH7?
A: The STM32F439IIH7 operates at up to 180 MHz.
Q: What is the program memory size?
A: It has 2 MB of Flash memory.
Q: What is the operating voltage range?
A: It operates from 1.7V to 3.6V.
Q: Does it include an LCD controller?
A: Yes, it features an integrated LCD controller.