Overview
The STM32F429IIT6J is a high-performance microcontroller unit (MCU) from STMicroelectronics, part of the STM32F429xx series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 180 MHz. The Cortex®-M4 core includes a floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions and data types, along with a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security.
This MCU is designed for applications requiring high computational performance, advanced graphics capabilities, and extensive peripheral sets. It incorporates high-speed embedded memories, an extensive range of I/Os and peripherals, and advanced connectivity options.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| 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 |
| External Memory Controller | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories |
| ADC | 3 × 12-bit, 2.4 MSPS ADC: up to 24 channels and 7.2 MSPS in triple interleaved mode |
| D/A Converters | 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 USARTs, SPIs, I2Cs, CAN, USB, and Ethernet |
| Package | LQFP-176 (24x24 mm) |
| Operating Voltage | 1.7 V to 3.6 V |
| Operating Temperature | -40°C to 105°C |
Key Features
- High-Performance Core: Arm® Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator™), and DSP instructions.
- Advanced Graphics: Chrom-ART Accelerator™ for enhanced graphic content creation and an LCD-TFT controller with fully programmable resolution.
- Extensive Memories: Up to 2 MB of Flash memory and up to 256 KB of SRAM, including 64 KB of CCM data RAM.
- Flexible External Memory Controller: Supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories.
- Advanced Connectivity: USB 2.0 full-speed/device/host/OTG, USB 2.0 high-speed/device/host/OTG, 10/100 Ethernet MAC, and multiple communication interfaces (USARTs, SPIs, I2Cs, CAN).
- Low Power Modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- Debug and Trace: SWD & JTAG interfaces and Cortex-M4 Trace Macrocell™.
Applications
- Industrial Automation: Advanced motor control, industrial control systems, and automation.
- Medical Devices: High-performance medical equipment requiring advanced graphics and computational capabilities.
- Aerospace and Defense: Systems requiring high reliability, security, and performance.
- Consumer Electronics: High-end consumer devices such as smart home appliances, gaming consoles, and advanced user interfaces.
- Automotive Systems: Advanced driver-assistance systems (ADAS), infotainment systems, and vehicle control units.
Q & A
- What is the core architecture of the STM32F429IIT6J?
The STM32F429IIT6J 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 STM32F429IIT6J?
The maximum frequency is up to 180 MHz.
- How much Flash and SRAM memory does the STM32F429IIT6J have?
It has up to 2 MB of Flash memory and up to 256 KB of SRAM, including 64 KB of CCM data RAM.
- What types of external memory does the STM32F429IIT6J support?
The STM32F429IIT6J supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, Compact Flash/NOR/NAND memories.
- What are the key features of the LCD-TFT controller in the STM32F429IIT6J?
The LCD-TFT controller has fully programmable resolution (total width up to 4096 pixels, total height up to 2048 lines, and pixel clock up to 83 MHz).
- What communication interfaces are available on the STM32F429IIT6J?
The MCU includes multiple communication interfaces such as USARTs, SPIs, I2Cs, CAN, USB, and Ethernet.
- Does the STM32F429IIT6J support low power modes?
Yes, it supports Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- What debug and trace capabilities does the STM32F429IIT6J have?
The MCU features SWD & JTAG interfaces and a Cortex-M4 Trace Macrocell™.
- What is the operating voltage range of the STM32F429IIT6J?
The operating voltage range is from 1.7 V to 3.6 V.
- What is the package type of the STM32F429IIT6J?
The package type is LQFP-176 (24x24 mm).
