The dsp core of the dm642 is 32 - bit fixed - point dsps of c64x , with the performance of up to 4800 million instructions per second ( mips ) at a clock rate of 600mhz 支持兩路ntsc / pal制式的視頻采集、處理和播放,設(shè)計(jì)了系統(tǒng)內(nèi)部數(shù)據(jù)結(jié)構(gòu),對(duì)視頻幀圖像進(jìn)行多格式軟件降采樣處理和運(yùn)動(dòng)檢測處理。