Overview
The STM32F429IIH6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F429xx series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. The core features a floating-point unit (FPU) and a full set of DSP instructions, along with a memory protection unit (MPU) for enhanced application security. This microcontroller is designed for demanding applications requiring high processing power, advanced graphics capabilities, and extensive peripheral support.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), up to 180 MHz |
| Flash Memory | Up to 2 MB, organized into two banks allowing read-while-write |
| SRAM | Up to 256 KB + 4 KB of backup SRAM, including 64 KB of CCM (core coupled memory) data RAM |
| OTP Memory | 512 bytes |
| External Memory Controller | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, compact flash/NOR/NAND memories |
| 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: up to twelve 16-bit and two 32-bit timers |
| Communication Interfaces | Up to 21 interfaces including USB 2.0, Ethernet, CAN, SPI, USART, I2C, and more |
| Operating Voltage | 1.7 V to 3.6 V application supply and I/Os |
| Operating Temperature | -40°C to 85°C |
| Package | UFBGA 176+25, LQFP 176, and other variants |
Key Features
- Includes ST state-of-the-art patented technology.
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and DSP instructions.
- LCD-TFT controller with fully programmable resolution (up to 4096 pixels width, up to 2048 lines height, and pixel clock up to 83 MHz).
- Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D).
- Flexible external memory controller with up to 32-bit data bus.
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support.
- Up to 168 I/O ports with interrupt capability, including up to 164 fast I/Os up to 90 MHz and up to 166 5 V-tolerant I/Os.
- Advanced connectivity options including USB 2.0, Ethernet, CAN, SPI, USART, I2C, and more.
- Low power modes: Sleep, Stop, and Standby modes.
- RTC with subsecond accuracy, hardware calendar, and backup registers.
- True random number generator and CRC calculation unit.
- ECOPACK2 compliant packages.
Applications
The STM32F429IIH6 is suitable for a wide range of applications that require high processing power, advanced graphics, and extensive peripheral support. These include:
- Industrial automation and control systems.
- Medical devices requiring high precision and reliability.
- Aerospace and defense applications.
- Automotive systems, especially those needing advanced graphics and communication interfaces.
- Consumer electronics such as high-end smart home devices and multimedia systems.
- IoT devices that need robust processing and multiple communication interfaces.
Q & A
- What is the core architecture of the STM32F429IIH6?
The STM32F429IIH6 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU) and DSP instructions.
- What is the maximum operating frequency of the STM32F429IIH6?
The maximum operating frequency is up to 180 MHz.
- How much flash memory does the STM32F429IIH6 have?
The STM32F429IIH6 has up to 2 MB of flash memory, organized into two banks allowing read-while-write.
- What types of communication interfaces are available on the STM32F429IIH6?
The microcontroller features up to 21 communication interfaces, including USB 2.0, Ethernet, CAN, SPI, USART, I2C, and more.
- Does the STM32F429IIH6 support advanced graphics capabilities?
Yes, it includes an LCD-TFT controller with fully programmable resolution and a Chrom-ART Accelerator™ for enhanced graphic content creation.
- What are the operating voltage and temperature ranges for the STM32F429IIH6?
The operating voltage range is 1.7 V to 3.6 V, and the operating temperature range is -40°C to 85°C.
- Does the STM32F429IIH6 have low power modes?
Yes, it supports Sleep, Stop, and Standby modes for low power operation.
- What kind of memory protection does the STM32F429IIH6 offer?
The microcontroller includes a memory protection unit (MPU) for enhanced application security.
- Is the STM32F429IIH6 RoHS compliant?
Yes, the STM32F429IIH6 is ECOPACK2 compliant, which means it is RoHS compliant.
- What is the purpose of the ART Accelerator™ in the STM32F429IIH6?
The ART Accelerator™ allows for 0-wait state execution from flash memory, enhancing performance.
