CORE POWER DETECTION CIRCUIT AND ASSOCIATED INPUT/OUTPUT CONTROL SYSTEM

A core power detection circuit and an associated input/output (I/O) control system are provided, where the core power detection circuit is utilized for performing power detection in the I/O control system to generate a core power detection signal to control the I/O control system, and the I/O control system operates according to a plurality of supply voltages with respect to a first reference voltage. The core power detection circuit includes: a reference power bias circuit arranged for generating a second reference voltage according to a first supply voltage of the plurality of supply voltages; and a comparison circuit, coupled to the reference power bias circuit, arranged for performing a comparison operation according to the second reference voltage and a second supply voltage of the plurality of supply voltages, to generate a third reference voltage.