The role of the clock circuit chip in the motherboard: to give the hardware device a running frequency.
A clock chip is a clock circuit
Clock chip is a high performance, low power consumption, real-time clock circuit with RAM, clock chip can run time for year, month, day, Sunday, hour, minute, second, with leap year compensation function, working voltage of 2.5V ~ 5.5V. It uses a three-wire interface to run synchronous communication with the CPU, and can transmit multiple bytes of clock signal or RAM value at a time using a burst mode.