Overview
The STM32F439IIT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F437xx and STM32F439xx series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. The Cortex-M4 core includes a Floating Point Unit (FPU) single precision, DSP instructions, and a Memory Protection Unit (MPU) for enhanced application security.
This microcontroller features high-speed embedded memories, including up to 2 Mbytes of Flash memory, up to 256 Kbytes of SRAM, and 4 Kbytes of backup SRAM. It also includes an extensive range of enhanced I/Os and peripherals connected to multiple buses.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), frequency up to 180 MHz, MPU |
| Memories | Up to 2 MB of Flash memory, up to 256+4 KB of SRAM, 64-KB of CCM (core coupled memory) data RAM |
| External Memory Controller | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories |
| Supply and I/Os | 1.7 V to 3.6 V application supply and I/Os |
| Timers | Up to twelve 16-bit timers, two 32-bit timers |
| ADCs and DACs | Three 12-bit ADCs, two 12-bit D/A converters |
| Communication Interfaces | Up to 4 USARTs/4 UARTs, up to 6 SPIs, 2 I2S interfaces, 2 CAN (2.0B Active), USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC |
| Package | LQFP 176 24x24x1.4 mm |
| Operating Temperature | Industrial grade, -40°C to 85°C |
Key Features
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and DSP instructions
- High-speed embedded memories: up to 2 Mbytes of Flash memory, up to 256 Kbytes of SRAM, and 4 Kbytes of backup SRAM
- Flexible external memory controller supporting various memory types
- Advanced I/Os and peripherals: three 12-bit ADCs, two 12-bit D/A converters, twelve 16-bit timers, two 32-bit timers
- Low-power RTC, true random number generator (RNG), and cryptographic acceleration cell
- Multiple communication interfaces: USARTs, SPIs, I2S, CAN, USB, and Ethernet
- Chrom-ART Accelerator™ for enhanced graphic content creation
- LCD-TFT controller with fully programmable resolution
- Debug mode with SWD & JTAG interfaces and Cortex-M4 Trace Macrocell™
Applications
- Industrial automation and control systems
- Medical devices requiring high performance and low power consumption
- Aerospace and defense applications
- Automotive systems, including advanced driver-assistance systems (ADAS)
- Consumer electronics such as smart home devices and IoT applications
- Motor control and power management systems
Q & A
- What is the core architecture of the STM32F439IIT6?
The STM32F439IIT6 is based on the Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions.
- What is the maximum operating frequency of the STM32F439IIT6?
The maximum operating frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F439IIT6 have?
It has up to 2 Mbytes of Flash memory and up to 256 Kbytes of SRAM.
- What types of communication interfaces are available on the STM32F439IIT6?
The microcontroller features USARTs, SPIs, I2S, CAN, USB, and Ethernet interfaces.
- Does the STM32F439IIT6 support cryptographic functions?
Yes, it includes a cryptographic acceleration cell for AES, Triple DES, HASH, and HMAC.
- What is the operating temperature range for the STM32F439IIT6?
The operating temperature range is -40°C to 85°C.
- What package options are available for the STM32F439IIT6?
It is available in LQFP 176 24x24x1.4 mm package.
- Does the STM32F439IIT6 have a built-in LCD controller?
Yes, it features an LCD-TFT controller with fully programmable resolution.
- What is the purpose of the Chrom-ART Accelerator™ in the STM32F439IIT6?
The Chrom-ART Accelerator™ is used for enhanced graphic content creation.
- Does the STM32F439IIT6 support real-time clock (RTC) functionality?
Yes, it includes a low-power RTC with subsecond accuracy and hardware calendar.
