Realtek Semiconductor Inc.

Ying-wei Wang

Jui-Yuan Lin

The present disclosure discloses a command accessing method having power saving mechanism is provided that includes steps outlined below. A cache control circuit is controlled to retrieve a plurality of commands from a command source to be executed. A plurality of loop commands corresponding to a loop procedure included in the commands are determined, wherein the loop commands include a first part that matches a storage amount of a command buffer circuit and a second part that exceeds the storage amount. The cache control circuit is controlled to store the first part of the loop commands to the command buffer circuit and not store the second part of the loop commands to the command buffer circuit. The cache control circuit is controlled to, every time the loop procedure is performed, retrieve and execute the first part of the loop commands from the command buffer circuit and retrieve and execute the second part of the loop commands from the command source.

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Hsinchu, Taiwan

Ying-wei Wang