发明名称 |
Apparatus and method for providing an interface to a compound Universal Serial Bus controller |
摘要 |
A method and apparatus for providing a programming interface to a Universal Serial Bus Device. The programming interface is partitioned so that an external controller does not handle intermediate transfers such as packet retry, handshake packets or intermediate response to error conditions. The programming model consists of a number of endpoint pipes, each of which can be configured to provide one of several functions.
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申请公布号 |
US6157975(A) |
申请公布日期 |
2000.12.05 |
申请号 |
US19980004005 |
申请日期 |
1998.01.07 |
申请人 |
NATIONAL SEMICONDUCTOR CORPORATION |
发明人 |
BRIEF, DAVID;WATERSON, KENT BRUCE |
分类号 |
G06F13/38;G06F13/42;(IPC1-7):G06F9/445 |
主分类号 |
G06F13/38 |
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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