Battery-optimized system-on-a-chip and applications thereof

A comprehensive system-on-a-chip comprises:

• a processing core operably coupled to process input digital data and produce therefrom output digital data;
• digital interface circuitry operably coupled to provide the input digital data to the processing core and to receive the output digital data from the processing core;
• mixed signal circuitry operably coupled to convert input analog signals into at least some of the input digital data and to convert at least some of the output digital data into output analog signals;
• and
• battery optimization circuitry that includes a DC-to-DC converter and a battery charger, wherein the DC-to-DC converter is operably coupled to convert a battery voltage into a supply voltage that supplies at least some of:
• the processing core, the digital interface circuitry, and the mixed signal circuitry and the battery charger is operably coupled to charge a battery that generates the battery voltage.

A multiple function battery operated device comprises:

• an inductor;
• a battery;
• a display interface;
• and
• a battery-optimized system-on-a-chip operably coupled to the inductor, the battery, and the display interface, wherein the battery-optimized system-on-a-chip includes:
• multimedia module operably coupled to the display interface, wherein the multimedia module generates rendered output data;
• high-speed interface;
• processing module;
• on-chip memory operably coupled to store at least a portion of a multimedia application, wherein the processing module processes input multimedia data in accordance with the at least the portion of the multimedia application to produce output multimedia data, wherein the input multimedia data is received from at least one of the multimedia module and the high-speed interface, and wherein the output multimedia data is provided to at least one of the multimedia module and the high-sped interface;
• and
• on-chip DC-to-DC converter operably coupled to convert a battery voltage provided by the battery in conjunction with the inductor into a supply voltage, wherein the DC-to-DC converter provides the supply voltage to at least one of the multimedia module, the high-speed interface, the processing module, and the on-chip module.