Overview
The STM32F429NEH6, produced by STMicroelectronics, is a high-performance microcontroller based on the Arm® 32-bit Cortex®-M4 CPU. This device operates at a frequency of up to 180 MHz and features a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and DSP instructions. The STM32F429NEH6 is part of the STM32F429xx series, which is renowned for its advanced peripherals and high-speed embedded memories.
The microcontroller includes up to 2 MB of Flash memory, up to 256 KB of SRAM, and 4 KB of backup SRAM. It also features a flexible external memory controller and an extensive range of I/Os and peripherals connected to multiple buses. The device is designed to offer high performance, low power consumption, and advanced connectivity options, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), 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 |
| External Memory Controller | 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, 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 4 USARTs/4 UARTs, up to 6 SPIs, 2 CAN (2.0B Active), USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Low Power Modes | Sleep, Stop, and Standby modes |
| RTC | Subsecond accuracy, hardware calendar, VBAT supply for RTC, 20×32-bit backup registers + optional 4 KB backup SRAM |
| I/O Ports | 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 |
Key Features
- High-Performance Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and DSP instructions.
- Advanced Memories: Up to 2 MB of Flash memory, up to 256 KB of SRAM, and 4 KB of backup SRAM.
- Flexible External Memory Controller: Supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories.
- Graphic Capabilities: LCD-TFT controller with fully programmable resolution, Chrom-ART Accelerator™ for enhanced graphic content creation.
- Low Power Modes: Sleep, Stop, and Standby modes, VBAT supply for RTC, and backup registers.
- Advanced Peripherals: 3 × 12-bit ADCs, 2 × 12-bit DACs, up to 17 timers, and extensive communication interfaces including USB, Ethernet, and CAN.
- Debug and Trace: SWD & JTAG interfaces, Cortex-M4 Trace Macrocell™.
Applications
- Industrial Automation: Motor control, process control, and automation systems.
- Medical Devices: Diagnostic equipment, medical imaging, and patient monitoring systems.
- Aerospace and Defense: Avionics, navigation systems, and secure communication devices.
- Consumer Electronics: Smart home devices, wearables, and high-performance consumer electronics.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
Q & A
- What is the core architecture of the STM32F429NEH6?
The STM32F429NEH6 is based on the Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions.
- What is the maximum frequency of the STM32F429NEH6?
The maximum frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F429NEH6 have?
Up to 2 MB of Flash memory and up to 256 KB of SRAM.
- What types of communication interfaces are available on the STM32F429NEH6?
USB 2.0, Ethernet, CAN, SPI, I2C, USART/UART, and more.
- Does the STM32F429NEH6 support low power modes?
Yes, it supports Sleep, Stop, and Standby modes.
- What is the purpose of the Chrom-ART Accelerator™ in the STM32F429NEH6?
It is used for enhanced graphic content creation (DMA2D).
- How many I/O ports does the STM32F429NEH6 have?
Up to 168 I/O ports with interrupt capability.
- Is the STM32F429NEH6 RoHS compliant?
Yes, it is ECOPACK2 compliant.
- What is the operating temperature range of the STM32F429NEH6?
The operating temperature range is typically from -40°C to 85°C.
- Does the STM32F429NEH6 have a real-time clock (RTC)?
Yes, it has an RTC with subsecond accuracy and hardware calendar.
