Overview
The STM32F427IIT6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F427xx and STM32F429xx 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, DSP instructions, and a memory protection unit (MPU) to enhance application security.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 180 MHz |
| Flash Memory | Up to 2 MB |
| SRAM | Up to 256 Kbytes + 4 Kbytes of backup SRAM |
| ADC | 3×12-bit, 2.4 MSPS, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| D/A Converters | 2×12-bit |
| Timers | Up to 17 timers: up to twelve 16-bit and two 32-bit |
| I/Os | Up to 168 I/O ports with interrupt capability, up to 164 fast I/Os up to 90 MHz, up to 166 5 V-tolerant I/Os |
| Communication Interfaces | Up to 21 interfaces including 4 USARTs/UARTs, 6 SPIs, 3 I2C interfaces, 100Mbps Ethernet (IEEE 1588) |
| Operating Temperature | Min and Max temperatures vary by package, typically -40°C to 105°C |
Key Features
- Adaptive real-time accelerator (ART Accelerator™) for 0-wait state execution from Flash memory
- Flexible external memory controller supporting SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories
- LCD parallel interface and LCD-TFT controller with fully programmable resolution
- Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D)
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
- Debug mode with SWD & JTAG interfaces and Cortex®-M4 Trace Macrocell™
- Power-saving modes: Sleep, Stop, and Standby
- VBAT supply for RTC, 20×32-bit backup registers + optional 4 KB backup SRAM
Applications
The STM32F427IIT6 is suitable for a wide range of applications, including industrial control, medical devices, automotive systems, consumer electronics, and IoT devices. Its high-performance capabilities, extensive peripheral set, and power-saving features make it an ideal choice for complex and demanding projects.
Q & A
- What is the core architecture of the STM32F427IIT6?
The STM32F427IIT6 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU). - What is the maximum operating frequency of the STM32F427IIT6?
The maximum operating frequency is up to 180 MHz. - How much Flash and SRAM memory does the STM32F427IIT6 have?
It has up to 2 MB of Flash memory and up to 256 Kbytes of SRAM, including 4 Kbytes of backup SRAM. - What types of ADCs are available on the STM32F427IIT6?
It features 3×12-bit ADCs with up to 24 channels and 7.2 MSPS in triple interleaved mode. - Does the STM32F427IIT6 support Ethernet?
Yes, it supports 100Mbps Ethernet (IEEE 1588). - What are the power-saving modes available on the STM32F427IIT6?
The device supports Sleep, Stop, and Standby modes. - How many communication interfaces does the STM32F427IIT6 have?
It has up to 21 communication interfaces, including USARTs, SPIs, I2C, and Ethernet. - Is the STM32F427IIT6 suitable for industrial applications?
Yes, it is suitable for industrial control and other demanding applications due to its high-performance and extensive peripheral set. - What is the Chrom-ART Accelerator™ used for?
The Chrom-ART Accelerator™ is used for enhanced graphic content creation (DMA2D). - Does the STM32F427IIT6 support LCD-TFT displays?
Yes, it has an LCD-TFT controller with fully programmable resolution.
