Overview
The STM32F439IIH6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F439xx family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at frequencies up to 180 MHz. This core includes a Floating Point Unit (FPU) and a full set of DSP instructions, along with a Memory Protection Unit (MPU) for enhanced application security. The device features advanced peripherals and interfaces, making it suitable for a wide range of applications requiring high computational power and extensive connectivity.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), up to 180 MHz |
| Memories | Up to 2 MB of Flash memory, up to 256+4 KB of SRAM, 512 bytes of OTP memory |
| ADCs | 3 × 12-bit, 2.4 MSPS, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | 2 × 12-bit D/A converters |
| Timers | Up to 17 timers: 12 × 16-bit and 2 × 32-bit timers |
| Communication Interfaces | Up to 4 USARTs/4 UARTs, up to 6 SPIs, 2 × CAN (2.0B Active), USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC |
| Power and Clock Management | 1.7 V to 3.6 V application supply, Sleep, Stop, and Standby modes, VBAT supply for RTC |
| Package | UFBGA 176+25 10x10x0.6 P 0.65 mm |
| Operating Temperature | -40°C to 105°C |
Key Features
- Includes ST state-of-the-art patented technology.
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), frequency up to 180 MHz, MPU, and DSP instructions.
- High-speed embedded memories: up to 2 MB of Flash memory, up to 256+4 KB of SRAM.
- Flexible external memory controller with up to 32-bit data bus.
- LCD-TFT controller with fully programmable resolution.
- Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D).
- Advanced connectivity: USB 2.0, 10/100 Ethernet MAC, up to 3 × I2C interfaces, up to 4 USARTs/4 UARTs.
- Cryptographic acceleration: hardware acceleration for AES, Triple DES, HASH (MD5, SHA-1, SHA-2), and HMAC.
- True random number generator and CRC calculation unit.
- RTC with subsecond accuracy and hardware calendar.
- 96-bit unique ID.
Applications
The STM32F439IIH6 is versatile and can be used in various applications such as:
- Industrial automation and control systems.
- Medical devices requiring high computational power and precision.
- Automotive systems, including advanced driver-assistance systems (ADAS).
- Consumer electronics, such as smart home devices and multimedia systems.
- IoT devices that require robust security and connectivity features.
Q & A
- What is the core architecture of the STM32F439IIH6?
The STM32F439IIH6 is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU) and Adaptive real-time accelerator (ART Accelerator™).
- What is the maximum frequency of the CPU?
The CPU operates at frequencies up to 180 MHz.
- How much Flash and SRAM memory does the device have?
The device has up to 2 MB of Flash memory and up to 256+4 KB of SRAM.
- What types of communication interfaces are available?
The device features USB 2.0, 10/100 Ethernet MAC, up to 3 × I2C interfaces, up to 4 USARTs/4 UARTs, and more.
- Does the device support cryptographic functions?
Yes, it supports hardware acceleration for AES, Triple DES, HASH (MD5, SHA-1, SHA-2), and HMAC.
- What is the operating temperature range of the device?
The operating temperature range is -40°C to 105°C.
- What package options are available for the STM32F439IIH6?
The device is available in UFBGA 176+25 10x10x0.6 P 0.65 mm package.
- Does the device have a real-time clock (RTC)?
Yes, it features an RTC with subsecond accuracy and a hardware calendar.
- What is the purpose of the Chrom-ART Accelerator™?
The Chrom-ART Accelerator™ is used for enhanced graphic content creation (DMA2D).
- Is the device suitable for low-power applications?
Yes, it supports Sleep, Stop, and Standby modes to reduce power consumption.
