FPGA zero-dynamic power consumption design method

Abstract

The invention discloses an FPGA zero-dynamic power consumption design method. A system clock tree and local clock trees are established. Clock management logic is established according to a state machine method and is established through the steps that functional logic or clock signal work of a clock drive source is identified as a work state, the function logic or the stagnation of the clock drive source is identified as a stop state, a hanging state used for judging the control method of a clock is established, and information interaction used for switching working modes and multiple systems or multiple clock domains is established. By setting the clock management logic based on state detection and clock drive control, the clock drive source for the corresponding functional logic is powered off, and the power consumption lowering design method for the 0Hz clock is achieved. Thus, the duty ratio of reactive power in the device is controlled, and the maximum efficiency for use of dynamic power consumption resources is achieved.

Description

technical field [0001] The invention relates to the technical field of power consumption design of electronic products, in particular to an FPGA zero dynamic power consumption design method. Background technique [0002] In the design technology of contemporary electronic products, with the increase of the amount of information data, the processing speed of electronic products is also increasing day by day. Affected by system design margins, expansion and other performance and design requirements, embedded electronic systems generally have a contradiction between excess processing performance and limited processing task requirements, which will cause a large number of space and time invalid operations in the system, resulting in overall energy consumption. invalid consumption on . If during system operation, all invalid operations in time and space have no power consumption, then the system is under ideal power consumption operation conditions, that is, the so-called zero-p...

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