USB的Bandwidth與throughput - GaryLee

USB的Bandwidth與throughput - GaryLee


USB的Bandwidth與throughput
出自GaryLee
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在寫USB相關應用的時候，有時先了解bandwidth與throughput的限制，會比較有利於日後的開發。這裡簡單的列出了USB的bandwidth與throughput。

USB Bandwidth & HID throughtput 速度 Bandwidth(bits/s) HID throughput(bytes/sec/report) HID throughput(bytes/microframe/I/O report) Remark
Low Speed 1.5M 800 8
Full Speed 12M 64,000 64
High Speed 480M 23.4M 3072

REF: http://www.edacn.net/html/86/49586-52367.html