u-link1 原理图，PCB（protel格式）代码 u-link2 原理图

Fuji POD UG series(GENERAL-PURPOSE SERIAL COMMUNICATION)(2)pdf,Fuji POD UG series(GENERAL-PURPOSE SERIAL COMMUNICATION)(2)Record of revisions Printing date Reference no Revised contents Juy,1999 FEH353 1st Edition printed December. 2002 FEH353a 2nd E