Synchronization signal generation circuit based on time competition

• Main Authors: PENG ZHIHUI, WANG SHICHEN, CHEN LEIQING
• Format: Patent
• Language: Chinese; English
• Published: 19.03.2021
• Subjects: AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES; BASIC ELECTRONIC CIRCUITRY; CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; PHYSICS

The invention discloses a synchronization signal generation circuit based on time competition, and the circuit comprises a control chip which is used for capturing a rising edge of a Syn signal through rising edge interruption input, outputting a PWM signal through a PWM output port of the control chip, and outputting a signal CTLTri through an I/O output port of the control chip for controlling the on-off of a three-state gate G1; a three-state gate G1, wherein the input end of the three-state gate G1 is connected with the PWM output port of the control chip 1, the control end of the three-state gate G1 is connected with an output signal CTLTri of the control chip 1, and the output end of the three-state gate G1 is connected with a synchronizing signal Syn; a wiring terminal J which is used for accessing/outputting a synchronizing signal Syn; and a resistor R, wherein one end of the resistor R is connected with the synchronization signal Syn, and the other end of the resistor R is connected with the ground f