| 摘要 |
In some embodiments a signal is sent to start a current time frame for a Universal Serial Bus host controller. After the sending, a time period is entered during which a pending transaction may be transmitted by the host controller. If a transaction has been formed, the formed transaction is transmitted during the entered period. When less than a maximum transfer period remains between a current time and a start of a next time frame, there is a refraining from transmitting any additional formed transactions during the current time frame. Other embodiments are described and claimed.
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