Overview
The STM32F427IIT7 is a high-performance microcontroller from STMicroelectronics, part of the STM32F427xx and STM32F429xx family. 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) to enhance application security. This microcontroller is designed for applications requiring high processing power, advanced graphics capabilities, and extensive peripheral support.
Key Specifications
| Specification | Details |
|---|---|
| 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 |
| External Memory | 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 ADC: 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 communication interfaces including USB 2.0, Ethernet, CAN, SPI, I2C, USART, and more |
| Package | LQFP 176 24x24x1.4 mm |
| Operating Temperature | -40°C to 105°C |
| Supply Voltage | 1.7 V to 3.6 V |
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.
- Up to 2 MB of flash memory and up to 256+4 KB of SRAM.
- LCD-TFT controller with fully programmable resolution and Chrom-ART Accelerator™ for enhanced graphic content creation.
- Advanced connectivity options including USB 2.0, Ethernet, CAN, SPI, I2C, and USART.
- Low power modes: Sleep, Stop, and Standby.
- True random number generator, CRC calculation unit, and RTC with subsecond accuracy.
- ECOPACK2 compliant packages.
Applications
The STM32F427IIT7 is suitable for a wide range of applications that require high performance, advanced graphics, and extensive peripheral support. These include:
- Industrial automation and control systems.
- Medical devices requiring precise data processing and graphics capabilities.
- Automotive systems, especially those needing advanced communication interfaces and real-time processing.
- Consumer electronics such as smart home devices and multimedia systems.
- IoT devices that require robust connectivity and low power consumption.
Q & A
- What is the core architecture of the STM32F427IIT7?
The STM32F427IIT7 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU) and DSP instructions.
- What is the maximum frequency of the STM32F427IIT7?
The maximum frequency is up to 180 MHz.
- How much flash and SRAM memory does the STM32F427IIT7 have?
It has up to 2 MB of flash memory and up to 256+4 KB of SRAM.
- What types of ADCs and DACs are available on the STM32F427IIT7?
It features 3 × 12-bit ADCs and 2 × 12-bit DACs.
- What are the low power modes available on the STM32F427IIT7?
The available low power modes are Sleep, Stop, and Standby.
- Does the STM32F427IIT7 support Ethernet and USB connectivity?
- What is the operating temperature range of the STM32F427IIT7?
The operating temperature range is -40°C to 105°C.
- What is the supply voltage range for the STM32F427IIT7?
The supply voltage range is 1.7 V to 3.6 V.
- Does the STM32F427IIT7 have a true random number generator?
- Is the STM32F427IIT7 RoHS compliant?
