Overview
The STM32F427IIH7 is a high-performance microcontroller from STMicroelectronics, part of the STM32F427xx and STM32F429xx series. It is based on the Arm® 32-bit Cortex®-M4 core, which operates at a frequency of up to 180 MHz and includes a floating-point unit (FPU) and DSP instructions. This microcontroller is designed for applications requiring high computational power, advanced graphics, and extensive peripheral support.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) |
| Frequency | 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 | Supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, compact flash/NOR/NAND memories |
| 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 timers |
| Communication Interfaces | Up to 21 interfaces including USB 2.0, Ethernet, CAN, SPI, USART, I2C, etc. |
| Power Management | 1.7 V to 3.6 V application supply and I/Os, Sleep, Stop, and Standby modes |
| Package Options | LQFP100, LQFP144, UFBGA176, LQFP176, LQFP208, WLCSP143, TFBGA216, UFBGA169 |
Key Features
- Includes ST state-of-the-art patented technology.
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from flash memory.
- Memory Protection Unit (MPU) for enhanced application security.
- LCD-TFT controller with fully programmable resolution up to 4096 pixels width and 2048 lines height.
- Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D).
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support.
- Advanced connectivity: USB 2.0 full-speed/device/host/OTG, USB 2.0 high-speed/device/host/OTG, 10/100 Ethernet MAC.
- True random number generator, CRC calculation unit, and RTC with subsecond accuracy.
- ECOPACK2 compliant packages.
Applications
- Industrial automation and control systems.
- Medical devices requiring high computational power and advanced graphics.
- Aerospace and defense applications.
- Automotive systems, including advanced driver-assistance systems (ADAS).
- Consumer electronics, such as smart home devices and multimedia systems.
- Internet of Things (IoT) devices and smart sensors.
Q & A
- What is the core architecture of the STM32F427IIH7?
The STM32F427IIH7 is based on the Arm® 32-bit Cortex®-M4 core with a floating-point unit (FPU) and DSP instructions.
- What is the maximum frequency of the STM32F427IIH7?
The maximum frequency is up to 180 MHz.
- How much flash memory does the STM32F427IIH7 have?
Up to 2 MB of flash memory, organized into two banks allowing read-while-write.
- What types of communication interfaces are available on the STM32F427IIH7?
Up to 21 communication interfaces including USB 2.0, Ethernet, CAN, SPI, USART, I2C, etc.
- Does the STM32F427IIH7 support advanced graphics?
- What are the power management features of the STM32F427IIH7?
It includes Sleep, Stop, and Standby modes, and supports a 1.7 V to 3.6 V application supply and I/Os.
- Is the STM32F427IIH7 suitable for low-power applications?
- What is the purpose of the ART Accelerator™ in the STM32F427IIH7?
The ART Accelerator™ allows 0-wait state execution from flash memory, enhancing performance.
- Does the STM32F427IIH7 have a built-in Ethernet interface?
- What is the unique feature of the STM32F427IIH7's ADC?
The ADC is 3 × 12-bit, 2.4 MSPS, with up to 24 channels and 7.2 MSPS in triple interleaved mode.
- Is the STM32F427IIH7 environmentally friendly?
