▍1. AT_DOCUMENT_Modem
Mediatek`s modem at command set
MTK - Get to know about MTK middleware MRE
China Phone Suite for MTK last version
这个是MTK6228的手机原理图及PCB板,很有参考价值,其中MIC设计,耳机设计很不错的(This is MTK6228 phone schematic and PCB, a good reference, in which MIC design, the headset design is very good)