Completely USB powered<br />Requires USB self-powered hubs<br />High power device consumes 220ma of power<br />No RS232 serial port<br />Not present in most personal computers<br />Slower interface --not practical anymore<br />No external power supply required <br />Functions with power source from target or debugger<br />Wide VDD voltage range 2v-5v<br />VDD supplied to target has operational voltage range from 3v-5v<br />Power to target (100ma)<br />
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楼主
