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Extended host controller test mode support for use with full-speed USB devices
Extended host controller test mode support for use with full-speed USB devices
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机译:扩展的主机控制器测试模式支持,可与全速USB设备一起使用
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摘要
An extended host controller test mode support is provided. In the example of USB host controllers, an enhanced host controller is provided to control the high-speed traffic. Further at least one companion host controller controls the full-speed and/or low-speed traffic. The enhanced host controller comprises a test circuit for controlling a USB transceiver macrocell to perform full-speed and/or low-speed test functions. The test functions may include a test-J function, a test-K function, a single-ended-zero test function, and the sending of test patterns.
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