Description

The STM32F429IGT6 is a microcontroller belonging to the STM32F405xx and STM32F407xx family, featuring a high-performance ARM® Cortex™-M4 32-bit RISC core that operates at a frequency of up to 168 MHz. The Cortex-M4 core comes with a Floating Point Unit (FPU) that supports all ARM's single precision data-processing instructions and data types, as well as a full set of Digital Signal Processing (DSP) instructions and a Memory Protection Unit (MPU) that enhances application security. The product offers Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory.

Specifications and Features

• Core: ARM 32-bit Cortex™-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory, frequency up to 168 MHz, memory protection unit, 210 DMIPS/ 1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions.
• Memories: Up to 1 Mbyte of Flash memory, up to 192+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM, Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories.
• LCD parallel interface, 8080/6800 modes, and Clock, reset and supply management: 1.8 V to 3.6 V application supply and I/Os, POR, PDR, PVD, and BOR, 4-to-26 MHz crystal oscillator, Internal 16 MHz factory-trimmed RC (1% accuracy), 32 kHz oscillator for RTC with calibration, and Internal 32 kHz RC with calibration.
• Low power: Sleep, Stop and Standby modes, VBAT supply for RTC, 20x32 bit backup registers + optional 4 KB backup SRAM.
• 3x12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode, and 2x12-bit D/A converters.
• General-purpose DMA: 16-stream DMA controller with FIFOs and burst support, up to 17 timers: up to twelve 16-bit and two 32-bit timers up to 168 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input.
• Debug mode: Serial wire debug (SWD) & JTAG interfaces, and Cortex-M4 Embedded Trace Macrocell™.
• Up to 140 I/O ports with interrupt capability: Up to 136 fast I/Os up to 84 MHz, Up to 138 5 V-tolerant I/Os, and Up to 15 communication interfaces:
• Up to 3 × I2C interfaces (SMBus/PMBus).
• Up to 4 USARTs/2 UARTs (10.5 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control).
• Up to 3 SPIs (42 Mbits/s), 2 with muxed full-duplex I2S to achieve audio class accuracy via internal audio PLL or external clock.
• 2 × CAN interfaces (2.0B Active).
• SDIO interface.
• Advanced connectivity: USB 2.0 full-speed device/host/OTG controller with on-chip PHY, USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY, and ULPI, 10/100 Ethernet MAC with dedicated DMA supports IEEE 1588v2 hardware, MII/RMII.
• 8- to 14-bit parallel camera interface up to 54 Mbytes/s
• True random number generator, CRC calculation unit, 96-bit unique ID, RTC: subsecond accuracy, hardware calendar.

Application Scenarios

The STM32F429IGT6 microcontroller can be used in several application scenarios, such as security systems, medical devices, consumer electronics, and automation.

Comparison

• It offers a high-performance ARM® Cortex™-M4 32-bit RISC core that operates at a frequency of up to 168 MHz.
• It has a Floating Point Unit (FPU) that supports all ARM's single precision data-processing instructions and data types, as well as a full set of Digital Signal Processing (DSP) instructions and a Memory Protection Unit (MPU) that enhances application security.
• It includes general-purpose DMA and up to 17 timers that help to improve the controller's performance.
• The device features up to 140 I/O ports with interrupt capability, 15 communication interfaces, and advanced connectivity options, making it a versatile and flexible solution for various applications.
• The product offers Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory.

• It has no significant disadvantages as a microcontroller, but its high-performance capabilities may be underutilized in some less demanding applications.