Data transmission method and universal serial bus host controller using same

The invention provides a data transmission method for a USB host controller. The method comprises the following steps of: receiving input data; calculating a CRC result of the input data and sending the input data to a system storage of a host computer at the same time; judging whether the input dat...

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Bibliographic Details
Main Authors PANG SHANNA, DAI DI, LAI JIN, CHEN XINGCHEN
Format Patent
LanguageChinese
English
Published 21.03.2012
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention provides a data transmission method for a USB host controller. The method comprises the following steps of: receiving input data; calculating a CRC result of the input data and sending the input data to a system storage of a host computer at the same time; judging whether the input data is the last input data of a data packet or not; and when the input data is determined as the lastinput data of the data packet, attaching the calculated CRC result to the input data and sending the input data attached with the calculated CRC result.
Bibliography:Application Number: CN20091222079