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STM32F4xx英文数据手册
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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 180 MHz， MPU， 225 DMIPS/1.25 DMIPS/MHz （Dhrystone 2.1）， and DSP instructions
• Memories
– Up to 2 MB of Flash memory organized into two banks allowing read-while-write
– Up to 256+4 KB of SRAM including 64-KB of CCM （core coupled memory） data RAM
– Flexible external memory controller with up to 32-bit data bus：
SRAM，PSRAM，SDRAM/LPSDR SDRAM ， Compact Flash/NOR/NAND memories
• LCD parallel interface， 8080/6800 modes
• LCD-TFT controller up to XGA resolution with dedicated Chrom-ART Accelerator™ for enhanced graphic content creation （DMA2D）
• Clock， reset and supply management
– 1.7 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
• Low power
– Sleep， Stop and Standby modes
– VBAT supply for RTC， 20×32 bit backup registers + optional 4 KB backup SRAM
• 3×12-bit， 2.4 MSPS ADC： up to 24 channels and 7.2 MSPS in triple interleaved mode
• 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 180 MHz， each with up to 4 IC/OC/PWM or pulse counter and quadrature （incremental） encoder input
• Debug mode
– SWD & JTAG interfaces
– Cortex-M4 Trace Macrocell™
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