USB is a kind of novel PC bus criterion. With the quality of fast speed, convenience and low interference, USB is the most available communication interface of modern intelligence instrument.
通用串行总线(usb)作为一种新型微机总线规范，具有便捷易用、传输速率快、低干扰等特点，非常适合作为现代智能仪器的通信接口。
It contains a low power, high speed, 16-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port.
它内置一个低功耗、高速、16位不失码的采样adc、一个内部转换时钟和一个多功能串行接口。
Singlechip was used in CAN bus and serial communication interface, whose valid transition speed is very low and can't satisfy rigorous demands.
当前CAN总线与串口通信接口转换均采用单片机，有效转换速率很低，不能满足条件苛刻的场合；
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