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EPSON的S1R72V17：<br />高速主从，自己再用，也想介绍给大家，有问题可以联系我，QQ：4043752<br />以下是功能：<br />USB2.0 host functions <br />Supports HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps) transfers. <br />Includes pull-down resistors for downstream ports (external circuit unnecessary). <br />Includes HS termination (external circuit unnecessary). <br />Supports control, bulk, and interrupt transfers. <br />Channel structure <br />One (1) channel used exclusively for Control transfer <br />Includes five general-purpose (Bulk, and Interrupt transfer) channels. <br />USB power switch interface. <br /> |
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