Electronic device and method of controlling temperature associated with a semiconductor device using dynamic voltage frequency scaling (dvfs)

Abstract

An electronic device includes; an intellectual property (IP) block, a thermal management unit (TMU) that detects a temperature associated with the IP block to generate a detected temperature, a clock management unit (CMU) that generates an operating clock and provides the operating clock to the IP block, a clock generator that controls operation of the CMU in generating the operating clock, a power management unit (PMU) that generates a supply voltage provided to the CMU, and a dynamic voltage frequency scaling (DVFS) block. The DVFS block includes; a critical path monitor (CPM) that monitors the operating clock, a frequency monitor that determines a current frequency for the operating clock, a target frequency module that determines a target frequency for the operating clock, an adder that compares the target frequency and the current frequency to generate frequency comparison results, and a decide voltage module that generates deciding results in response to the frequency comparison results, wherein the PMU adjusts a level of the supply voltage in response to the deciding results.