Method of controlling electronic device and electronic device

An electronic device, comprising:

• an acquisition circuit, configured to collect current environmental information for characterizing an environment of the electronic device;
• a processing circuit, configured to receive the current environmental information from the acquisition circuit to determine a target frequency control word corresponding to the current environmental information according to a preset expected operating status of the electronic device;
• and to input the target frequency control word to a TAF-DPS (Time-Average-Frequency Direct Period Synthesis) clock generator;
• the TAF-DPS clock generator, configured to generate a clock signal according to the target frequency control word, and to output the clock signal to a functional circuit;
• and
• the functional circuit, configured to operate in accordance with the clock signal to make the electronic device reach the expected operating status,
• wherein the TAF-DPS clock generator comprises:
• a reference time unit generating circuit, configured to generate a reference time unit;
• a signal generating circuit, configured to receive the target frequency control word from the processing circuit and to receive the reference time unit from the reference time unit generating circuit;
• and to generate the clock signal according to the reference time unit and the target frequency control word, wherein a frequency of the clock signal is controlled by the target frequency control word.

A method of controlling an electronic device, applied in an electronic device comprising an acquisition circuit, a processing circuit, a TAF-DPS clock generator, and a functional circuit, the method comprising:

• collecting the current environmental information for characterizing the environment of the electronic device;
• determining the target frequency control word corresponding to the current environmental information according to the preset expected operating status of the electronic device;
• and inputting the target frequency control word to the TAF-DPS (Time-Average-Frequency Direct Period Synthesis) clock generator;
• generating the clock signal according to the target frequency control word, and outputting the clock signal to the functional circuit;
• operating in accordance with the clock signal to make the electronic device reach the expected operating status,
• wherein the step of determining the target frequency control word corresponding to the current environmental information according to the preset expected operating status of the electronic device comprises:
• determining an expected operating parameter corresponding to the current environmental information according to the preset expected operating status of the electronic device;
• and
• obtaining the target frequency control word corresponding to the expected operating parameter according to a preset mapping relationship between operating parameters and frequency control words.