Overview
The STM32F429BIT7 is a high-performance microcontroller 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 core includes 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 advanced applications requiring high processing power, extensive memory, and a wide range of peripherals and interfaces.
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 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 |
| 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 21 communication interfaces including USB 2.0, Ethernet, CAN, SPI, I2C, USART, and more |
| Power Supply | 1.7 V to 3.6 V application supply and I/Os |
| Operating Temperature | -40°C to 105°C |
| Package | LQFP 208 (28x28x1.4 mm) |
Key Features
- Includes ST state-of-the-art patented technology such as the Adaptive real-time accelerator (ART Accelerator™) for 0-wait state execution from flash memory.
- LCD-TFT controller with fully programmable resolution (total width up to 4096 pixels, total height up to 2048 lines, and pixel clock up to 83 MHz).
- Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D).
- Advanced connectivity options including USB 2.0 full-speed/device/host/OTG controller, USB 2.0 high-speed/device/host/OTG controller, and 10/100 Ethernet MAC.
- Multiple communication interfaces: up to 3 × I2C, up to 4 USARTs/UARTs, up to 6 SPIs, 1 × SAI (serial audio interface), and 2 × CAN (2.0B Active).
- Low power modes: Sleep, Stop, and Standby modes, with VBAT supply for RTC and backup registers.
- True random number generator, CRC calculation unit, and RTC with subsecond accuracy and hardware calendar.
- 96-bit unique ID and ECOPACK2 compliant packages.
Applications
The STM32F429BIT7 is suitable for a wide range of applications that require high processing power, extensive memory, and advanced peripherals. These include:
- Industrial automation and control systems.
- Medical devices requiring high precision and reliability.
- Aerospace and defense applications.
- Automotive systems, especially those needing advanced motor control and communication interfaces.
- Consumer electronics, such as high-end appliances and multimedia devices.
- IoT devices that require robust connectivity and processing capabilities.
Q & A
- What is the core architecture of the STM32F429BIT7?
The STM32F429BIT7 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU) and DSP instructions.
- How much flash memory does the STM32F429BIT7 have?
The STM32F429BIT7 has up to 2 MB of flash memory, organized into two banks allowing read-while-write.
- What are the key communication interfaces available on the STM32F429BIT7?
The microcontroller features USB 2.0, Ethernet, CAN, SPI, I2C, USART, and more.
- What is the operating temperature range of the STM32F429BIT7?
The operating temperature range is -40°C to 105°C.
- Does the STM32F429BIT7 support low power modes?
- What is the purpose of the Chrom-ART Accelerator™ in the STM32F429BIT7?
The Chrom-ART Accelerator™ is used for enhanced graphic content creation (DMA2D).
- How many ADC and DAC channels does the STM32F429BIT7 have?
The microcontroller has 3 × 12-bit ADCs and 2 × 12-bit DACs.
- What is the maximum frequency of the timers in the STM32F429BIT7?
The timers can operate up to 180 MHz.
- Is the STM32F429BIT7 RoHS compliant?
- What is the package type of the STM32F429BIT7?
The package type is LQFP 208 (28x28x1.4 mm).
