Communication device having pull up voltage supply circuit supplying pull up voltage via one power supply during standby state and another power supply during {HEAD ~ power} on {TAIL ~ state} 
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Communication device having pull up voltage supply circuit supplying pull up voltage via one power supply during standby state and another power supply during { HEAD ~ power } on { TAIL ~ state }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL