发明名称 |
System and method for USB controllers |
摘要 |
A USB controller is provided with multiple logic channels that share same physical address and data bus at an interface between the host system and the USB Host Controller; and dataports used by the host system to read and/or write data to the USB Host Controller. Also provided is a data packet format for transferring data, which comprises of an Endpoint Transfer Descriptor ("ETD") that includes an EndPoint Descriptor and a Transfer Descriptor, wherein the host system programs the parameters of a communication channel for a particular Endpoint. Also included is a technique for partitioning a memory storage device into a first memory buffer and a second memory buffer; wherein the size of the first and second memory buffer may be programmed by the host system and the first and/or second memory buffer may contain more than one USB packet.
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申请公布号 |
US7409476(B1) |
申请公布日期 |
2008.08.05 |
申请号 |
US20060362320 |
申请日期 |
2006.02.24 |
申请人 |
OXFORD SEMICONDUCTOR, INC. |
发明人 |
LIANG PING;WU ZONG LIANG;WANG JING |
分类号 |
G06F3/00;G06F13/28;G06F13/36 |
主分类号 |
G06F3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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