CIRCUIT AND METHOD OF ADJUSTING SYSTEM CLOCK IN LOW VOLTAGE DETECTION, AND LOW VOLTAGE RESET CIRCUIT

摘要

The present invention discloses a circuit and a method of adjusting system clock in low voltage detection, and a low voltage reset circuit. The circuit of adjusting system clock in low voltage detection comprises: a clock generator for supplying a clock to at least one circuit in a system; and a low voltage reset circuit for generating an adjustment signal according to a detected voltage level, so that the clock generator adjusts or stops the clock supplied to the at least one circuit in the system.

主权项

1. A low voltage reset circuit comprising:
a voltage division circuit dividing a supplied voltage to generate multiple reference voltages; a comparator circuit comparing a voltage signal related to the supplied voltage with the multiple reference voltages; and a logic circuit determining whether to generate an adjustment signal according to the comparison result.