Electronic system having serial system bus interface and direct memory access controller and method of operating the same

The present invention provides an electronic system capable of removing a waiting time until the next operation request of a host. The electronic system comprises: a serial system bus interface having a root complex and an end point; a command bus and a data bus coupled to the end point of the seria...

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Bibliographic Details
Main Author CHOE, WOO YOUNG
Format Patent
LanguageEnglish
Korean
Published 25.10.2018
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Summary:The present invention provides an electronic system capable of removing a waiting time until the next operation request of a host. The electronic system comprises: a serial system bus interface having a root complex and an end point; a command bus and a data bus coupled to the end point of the serial system bus interface; a memory coupled to the data bus; and a direct memory access controller coupled to the command bus and the data bus, directly accessing the memory in response to request commands transmitted to the end point from the root complex, and having a command queue waiting the request commands. 전자 시스템은, 루트컴플렉스 및 엔드포인트를 갖는 직렬 시스템 버스 인터페이스와, 직렬 시스템 버스 인터페이스의 엔드포인트에 결합되는 명령 버스 및 데이터 버스와, 데이터 버스에 결합되는 메모리와, 그리고 명령 버스 및 데이터 버스에 결합되어 루트컴플렉스로부터 엔드포인트로 전송되는 요청 명령들에 응답하여 메모리를 직접 액세스하되, 요청 명령들을 대기시키는 명령어 큐를 갖는 직접메모리액세스 컨트롤러를 포함한다.
Bibliography:Application Number: KR20170049405