Multipath clock detecting device

The invention discloses a multi-path clock detester which comprises: a clock receiving unit, a multi-path multi-speed clock detecting unit, a detecting result processing unit, a reference clock unit and a control interface unit, wherein the reference clock unit is used to receive the detected clock signal and change the level interface and the voltage breadth of the detected signal; the detecting result processing unit is used to finish the lock, output and indicate of the detecting result; the reference clock unit is used to provide a reference clock signal to the multi-path multi-speed clock detecting unit; the control interface unit is used to generate the corresponding break signal to the upper position controller and receive the control of the upper position controller to finish the reset and disinfect of the multi-path multi-speed clock detecting unit; the multi-path multi-speed clock detecting unit is formed by a plurality of clock detecting circuits to finish the detect of the multi-path detecting clock with different speed.