STM32F4 STM32F407


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  • The STM32F405xx and STM32F407xx family 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 STM32F405xx and STM32F407xx family incorporates high-speed embedded memories (Flash memory up to 1 Mbyte, up to 192 Kbytes of SRAM), up to 4 Kbytes of backup SRAM, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, three AHB buses and a 32-bit multi-AHB bus matrix.

    All devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers. a true random number generator (RNG). They also feature standard and advanced communication interfaces.

    Key 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
    • MemoriesLCD parallel interface, 8080/6800 modes
      • 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
    • Clock, reset and supply management3×12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode
      • 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
      • Internal 32 kHz RC with calibration
      • Sleep, Stop and Standby modes
      • VBAT supply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM
    • 2×12-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
      • 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
    • Up to 15 communication interfaces
      • Up to 3 × I2 C 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 connectivity8- to 14-bit parallel camera interface up to 54 Mbytes/s
      • 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
    • True random number generator
    • CRC calculation unit
    • 96-bit unique ID
    • RTC: subsecond accuracy, hardware calendar


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