FPGA as controller initialize video decode chip SAA7111A through I2C bus.
FPGA作为控制器，经I2C总线对视频解码芯片SAA7111 A进行初始化。
In the era of CRT, the largest difference between digital TV and analog TV is digital TV has digital TV decode chip, MPEG-2 decode chip and video DAC.
CRT时代，数字电视与模拟电视最大的区别是数字电视多数字电视解调芯片、MPEG - 2解码芯片和视频DAC。
In the era of flat panel TV, the difference between digital TV and analog TV is digital TV has digital TV decode chip, MPEG-2 decode chip, so video DAC is not needed.
平板电视时代，数字电视和模拟电视的差别在于数字电视多数字电视解调芯片、MPEG - 2解码芯片，视频DAC不需要了。
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