Overview
The STM32F439BIT6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32 F4 series. It is based on the ARM Cortex-M4 core and includes a floating-point unit (FPU), enabling high-performance processing. Introduced on February 14, 2013, this microcontroller is designed for a wide range of applications requiring advanced processing capabilities, low power consumption, and extensive peripheral support. The device operates within a voltage range of 1.8 V to 3.6 V and is packaged in a 208-pin LQFP (Low Profile Quad Flat Package) tray, making it suitable for various embedded systems and industrial applications.
Key Specifications
| Description | Specification |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Core Processor | ARM Cortex-M4 |
| Core Size | 32-Bit |
| Speed | Up to 180 MHz |
| Program Memory Size | 2 MB Flash |
| RAM Size | 256 KB + 4 KB |
| Voltage - Supply (Vcc/Vdd) | 1.8 V ~ 3.6 V |
| Package / Case | 208-LQFP |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Data Converters | 3 × 12-bit ADC, 2 × 12-bit DAC |
| Number of I/O | Up to 168 I/O ports |
| Connectivity | CAN, EBI/EMI, Ethernet, I2C, IrDA, LIN, SPI, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT |
Key Features
- Core and Performance: ARM 32-bit Cortex-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory, up to 180 MHz frequency, and DSP instructions.
- Memory: Up to 2 MB of Flash memory, 256 KB + 4 KB of SRAM, and flexible external memory controller supporting SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories.
- Graphics and Display: LCD-TFT controller with fully programmable resolution, Chrom-ART Accelerator™ for enhanced graphic content creation.
- Communication Interfaces: USB 2.0 full-speed device/host/OTG controller, up to 3 I2C interfaces, up to 4 USARTs/4 UARTs, up to 6 SPIs, 2 CAN interfaces, and Ethernet.
- Analog and Digital Converters: 3 × 12-bit ADCs (up to 24 channels), 2 × 12-bit DACs.
- Timers and Counters: Up to 17 timers, including 16-bit and 32-bit timers with IC/OC/PWM or pulse counter and quadrature (incremental) encoder input.
- Low Power Modes: Sleep, Stop, and Standby modes, VBAT supply for RTC, and backup SRAM.
Applications
- Industrial Automation: The STM32F439BIT6 is suitable for industrial control systems, motor control, and automation due to its robust processing capabilities and extensive peripheral set.
- Medical Devices: It can be used in medical devices requiring advanced processing, such as patient monitoring systems and diagnostic equipment.
- Aerospace and Defense: The microcontroller's reliability and performance make it a candidate for various aerospace and defense applications.
- Consumer Electronics: It is applicable in advanced consumer electronics, such as smart home devices, wearables, and high-performance audio equipment.
- Automotive Systems: Although not AEC-Q100 qualified, it can still be used in non-safety-critical automotive applications due to its robust feature set.
Q & A
- What is the core processor of the STM32F439BIT6?
The core processor is the ARM 32-bit Cortex-M4 CPU with FPU.
- What is the maximum clock frequency of the STM32F439BIT6?
The maximum clock frequency is up to 180 MHz.
- How much Flash and RAM memory does the STM32F439BIT6 have?
The device has up to 2 MB of Flash memory and 256 KB + 4 KB of SRAM.
- What are the operating voltage and temperature ranges of the STM32F439BIT6?
The operating voltage range is 1.8 V to 3.6 V, and the operating temperature range is -40°C to 85°C.
- Does the STM32F439BIT6 support Ethernet and USB interfaces?
Yes, it supports Ethernet and USB 2.0 full-speed device/host/OTG interfaces.
- How many ADC and DAC channels does the STM32F439BIT6 have?
The device has 3 × 12-bit ADCs (up to 24 channels) and 2 × 12-bit DACs.
- What is the package type of the STM32F439BIT6?
The package type is 208-pin LQFP (Low Profile Quad Flat Package).
- Is the STM32F439BIT6 RoHS compliant?
Yes, the STM32F439BIT6 is RoHS compliant.
- What are some of the low power modes available in the STM32F439BIT6?
The device supports Sleep, Stop, and Standby modes to reduce power consumption.
- Does the STM32F439BIT6 have a built-in LCD-TFT controller?
Yes, it includes an LCD-TFT controller with fully programmable resolution.
