ite6801驱动源码和Programming手册,Theserialprogrammingoutputportsarenotrealopen-draindrivers.SinkcurrentisguaranteedbyI/Odesignundertheconditionofdrivingtheoutputpinwith0.2V.InarealI2Cenvironment,multipledevicesandpull-upresistorscouldbepresentonthesamebus,renderingtheeffectivepull-upresi