Description

The STM32F429BIT6 is a microcontroller from the STM32F405xx and STM32F407xx family, which is based on the high-performance ARM® Cortex™-M4 32-bit RISC core operating at a frequency of up to 168 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all ARM single precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The Cortex-M4 core with FPU will be referred to as Cortex-M4F throughout the document. This microcontroller is categorized under the Microcontrollers section of electronic components.

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, and Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories
• LCD parallel interface: 8080/6800 modes
• 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, 20×32-bit backup registers + optional 4 KB backup SRAM
• A/D converters: 3×12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode
• D/A converters: 2×12-bit D/A converters
• General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
• Timers: 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, Cortex-M4 Embedded Trace Macrocell™
• I/O ports: Up to 140 I/O ports with interrupt capability, Up to 136 fast I/Os up to 84 MHz, and Up to 138 5 V-tolerant I/Os
• Communication interfaces: 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), and 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
• Parallel camera interface: 8- to 14-bit parallel camera interface up to 54 Mbytes/s
• Other features: True random number generator, CRC calculation unit, 96-bit unique ID, and RTC: subsecond accuracy, hardware calendar

Application Scenarios

The STM32F429BIT6 is commonly used in various applications such as building automation, industrial machines, healthcare devices, security systems, and communication equipment.

Comparison

• High-performance ARM® Cortex™-M4 32-bit RISC core operating at a frequency of up to 168 MHz
• Full set of DSP instructions and a memory protection unit (MPU) which enhances application security
• Low power consumption
• Multiple communication interfaces
• True random number generator and CRC calculation unit

• High cost compared to other microcontrollers
• Not suitable for low complexity applications