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This device contains two independent combinations ofgates, each of which perform the logic AN
These universal 9-bit (8 data bits plus 1 parity bit) paritygenerators/checkers feature odd/e
These monolithic TTL hex buffers/drivers feature high-voltage open-collector outputs for interfacing
The '197 ripple counter contains divide-by-two and divideby-eight sections which can be combi
该文档为STC单片机USB下载器原理图-USB转TTL讲解文档，是一份不错的参考资料，感兴趣的可以下载看看，，，，，，，，，，，，，，，，，
程序为STM32F103VET6驱动CMOS摄像头OV7670的程序。采用AL422B作为FIFO帧缓冲，显示采用3.5寸TFT ILI9481，单片机FSMC方式驱动TFT，非常好用。-