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ARM® Cortex®M3 微处理器的性能真的很差,在对固件进行二次开发时,受限于M3微处理器,该芯片很难高效进行复杂的计算。而且据我所知TUSB9261在传输速率方面已经无法和市面上最新的USB-SATA桥接芯片相提并论了。