Overview
The STM32F427IGH6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F427xx and STM32F429xx series. It is based on the Arm® 32-bit Cortex®-M4 CPU, which includes a floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions and data types. The device operates at a frequency of up to 180 MHz and features an Adaptive Real-Time (ART) Accelerator™, allowing 0-wait state execution from flash memory. This microcontroller is designed for applications requiring high computational performance, advanced peripherals, and low power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, 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 backup SRAM, including 64 KB of CCM (core coupled memory) data RAM |
| OTP Memory | 512 bytes |
| ADCs | 3 × 12-bit, 2.4 MSPS, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | 2 × 12-bit |
| Timers | Up to 17 timers: 12 × 16-bit and 2 × 32-bit |
| Communication Interfaces | Up to 21 interfaces, including 4 USARTs/UARTs, 6 SPIs, 3 I2C interfaces, and 100 Mbps Ethernet |
| Package | 201-UFBGA |
| Operating Voltage | 1.7 V to 3.6 V |
| Operating Temperature | -40°C to 105°C |
Key Features
- High-performance Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions
- Adaptive Real-Time (ART) Accelerator™ for 0-wait state execution from flash memory
- Up to 2 MB of flash memory and up to 256 KB of SRAM
- Flexible external memory controller supporting SRAM, PSRAM, SDRAM/LPSDR SDRAM, and compact flash/NOR/NAND memories
- LCD-TFT controller with fully programmable resolution and Chrom-ART Accelerator™ for enhanced graphic content creation
- Low power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and up to 4 KB backup SRAM
- General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
- Up to 168 I/O ports with interrupt capability and up to 164 fast I/Os up to 90 MHz
- Debug mode with SWD & JTAG interfaces and Cortex®-M4 Trace Macrocell™
Applications
The STM32F427IGH6 microcontroller is suitable for a wide range of applications that require high computational performance, advanced peripherals, and low power consumption. These include:
- Industrial automation and control systems
- Medical devices requiring precise data processing and low power consumption
- Aerospace and defense applications needing robust and reliable microcontrollers
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment systems
- Consumer electronics, such as smart home devices and IoT applications
Q & A
- What is the core architecture of the STM32F427IGH6?
The STM32F427IGH6 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 STM32F427IGH6?
The maximum operating frequency is up to 180 MHz.
- How much flash memory and SRAM does the STM32F427IGH6 have?
The device has up to 2 MB of flash memory and up to 256 KB of SRAM, including 64 KB of CCM (core coupled memory) data RAM.
- What types of communication interfaces are available on the STM32F427IGH6?
The microcontroller features up to 21 communication interfaces, including 4 USARTs/UARTs, 6 SPIs, 3 I2C interfaces, and 100 Mbps Ethernet.
- What is the package type of the STM32F427IGH6?
The package type is 201-UFBGA.
- What are the operating voltage and temperature ranges of the STM32F427IGH6?
The operating voltage range is 1.7 V to 3.6 V, and the operating temperature range is -40°C to 105°C.
- Does the STM32F427IGH6 support low power modes?
- What is the purpose of the ART Accelerator™ in the STM32F427IGH6?
The ART Accelerator™ allows 0-wait state execution from flash memory, enhancing performance.
- How many I/O ports does the STM32F427IGH6 have?
The microcontroller has up to 168 I/O ports with interrupt capability and up to 164 fast I/Os up to 90 MHz.
- What debug interfaces are available on the STM32F427IGH6?
The device features SWD & JTAG interfaces and a Cortex®-M4 Trace Macrocell™.
- What types of timers are available on the STM32F427IGH6?
The microcontroller includes up to 17 timers: 12 × 16-bit and 2 × 32-bit timers.
