Overview
The STM32F439IIH6TR 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) for single-precision data processing, a full set of 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 and up to 256 Kbytes of SRAM, along with extensive I/Os and peripherals connected to multiple bus systems.
Key Specifications
| Parameter | Value |
|---|---|
| Core Processor | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Operating Frequency | Up to 180 MHz |
| Flash Memory | Up to 2 MB |
| SRAM | Up to 256 Kbytes + 4 Kbytes of backup SRAM |
| ADCs | 3 x 12-bit ADCs |
| DACs | 2 x 12-bit DACs |
| Timers | 12 x 16-bit timers, 2 x 32-bit timers |
| Communication Interfaces | USB 2.0 OTG, Ethernet 100Mbps (IEEE 1588), CAN 2.0, SPI, I2C, UART/USART, I2S |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 1.8V to 3.6V |
| Package | 201-UFBGA (10x10 mm) |
| Number of I/Os | 140 high-current I/Os |
Key Features
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory.
- High-speed embedded memories: up to 2 MB of Flash memory and up to 256 Kbytes of SRAM.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix.
- Three 12-bit ADCs, two DACs, a low-power RTC, and multiple timers including PWM timers for motor control.
- True random number generator (RNG) and a cryptographic acceleration cell.
- Standard and advanced communication interfaces: USB 2.0 OTG, Ethernet 100Mbps (IEEE 1588), CAN 2.0, SPI, I2C, UART/USART, I2S.
- LCD-TFT controller with fully programmable resolution and Chrom-ART Accelerator™ for enhanced graphic content creation.
- Sleep, Stop, and Standby modes for power management.
Applications
- Industrial automation and control systems.
- Medical devices requiring high precision and reliability.
- 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 processor of the STM32F439IIH6TR?
The core processor is the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU).
- What is the maximum operating frequency of the STM32F439IIH6TR?
The maximum operating frequency is up to 180 MHz.
- How much Flash memory and SRAM does the STM32F439IIH6TR have?
It has up to 2 MB of Flash memory and up to 256 Kbytes of SRAM.
- What communication interfaces are available on the STM32F439IIH6TR?
The available interfaces include USB 2.0 OTG, Ethernet 100Mbps (IEEE 1588), CAN 2.0, SPI, I2C, UART/USART, and I2S.
- What is the operating temperature range of the STM32F439IIH6TR?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the STM32F439IIH6TR?
The supply voltage range is 1.8V to 3.6V.
- How many I/Os does the STM32F439IIH6TR have?
It has 140 high-current I/Os.
- What type of package does the STM32F439IIH6TR come in?
It comes in a 201-UFBGA (10x10 mm) package.
- Does the STM32F439IIH6TR support LCD-TFT displays?
Yes, it features an LCD-TFT controller with fully programmable resolution.
- What power management modes are available on the STM32F439IIH6TR?
The available modes include Sleep, Stop, and Standby.
