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usb_hub_2.0

 
Overview

描述
       usb_hub 2.0,芯片为sl2.1a,已打板验证,正常使用,接口为type_c 12pin,type_c 母座焊盘已做加长处理,烙铁拖焊非常轻松,此前因为立创eda的封装焊盘引脚短,手工焊接异常困难,曾一度放弃了type_c接口,后续加长了焊盘解决了该问题。实际使用4颗100uf的电解电容,3颗10uf的无极电容,12M的晶振。
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