Patent ID: 9405337
Filing Date: 2016-08-02
CPC Classification: G05D,G06F,H01L

Claim Text:
1. A method of managing temperature in a system on chip (SOC), comprising: generating a main temperature signal using a main sensor, the main temperature signal being a signal having a value corresponding to a main temperature of the SOC; generating subsidiary temperature signals using subsidiary sensors, the subsidiary temperature signals being pulse signals having frequencies corresponding to subsidiary temperatures of subsidiary blocks in the SOC, respectively; controlling an operation of the SOC based upon the main temperature signal and the subsidiary temperature signals, and latching the main temperature signal periodically to store a previous main temperature value and a current main temperature value; and counting pulses of the subsidiary temperature signals periodically to store current subsidiary temperature count values, wherein controlling the operation of the SOC includes: generating, an interrupt signal based upon at least one temperature threshold value, the previous main temperature value and the current main temperature value; and controlling respective operational speeds of the subsidiary blocks based upon the interrupt signal and the current subsidiary temperature count values.