Overview
The STM32F427ZIT7 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, operating at a frequency of up to 180 MHz. The Cortex®-M4 core includes 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 peripherals, and low power consumption.
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 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 |
| 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 USB 2.0, Ethernet, CAN, SPI, USART, I2C, SAI |
| Package | LQFP 144 (20x20x1.4 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 and DSP instructions.
- Adaptive real-time accelerator (ART Accelerator™) for 0-wait state execution from flash memory.
- Flexible external memory controller supporting various memory types.
- LCD-TFT controller with fully programmable resolution.
- Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D).
- Low power modes: Sleep, Stop, and Standby.
- VBAT supply for RTC, 20×32-bit backup registers + optional 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.
- Advanced connectivity options including USB, Ethernet, and CAN.
- True random number generator, CRC calculation unit, and RTC with subsecond accuracy.
- 96-bit unique ID and ECOPACK2 compliant packages.
Applications
- Industrial automation and control systems.
- Medical devices requiring high processing power and low power consumption.
- Aerospace and defense applications.
- Automotive systems, including infotainment and driver assistance.
- Consumer electronics such as smart home devices and wearables.
- IoT devices requiring advanced connectivity and security features.
Q & A
- What is the core architecture of the STM32F427ZIT7?
The STM32F427ZIT7 is based on the Arm® 32-bit Cortex®-M4 core.
- What is the maximum operating frequency of the STM32F427ZIT7?
The maximum operating frequency is up to 180 MHz.
- How much flash memory does the STM32F427ZIT7 have?
The STM32F427ZIT7 has up to 2 MB of flash memory.
- What types of memory does the external memory controller support?
The external memory controller supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, compact flash/NOR/NAND memories.
- How many ADCs and DACs are available on the STM32F427ZIT7?
There are 3 × 12-bit ADCs and 2 × 12-bit DACs.
- What are the low power modes available on the STM32F427ZIT7?
The available low power modes are Sleep, Stop, and Standby.
- Does the STM32F427ZIT7 support Ethernet and CAN interfaces?
Yes, it supports 10/100 Ethernet MAC and 2 × CAN (2.0B active) interfaces.
- What is the purpose of the Chrom-ART Accelerator™?
The Chrom-ART Accelerator™ is for enhanced graphic content creation (DMA2D).
- Is the STM32F427ZIT7 RoHS compliant?
Yes, the STM32F427ZIT7 is ECOPACK2 compliant and RoHS compliant.
- What is the operating temperature range of the STM32F427ZIT7?
The operating temperature range is -40°C to 105°C.
