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电话专用电路UM9340303功能介绍宋筱李国平UM9340303是在UM93401基础上开发出的大规模集成电路,具有以下特点。1.提供一组语音信息,相当于外出留言。当机主外出时可使用电话机键盘键入自己的“大哥大”号码或BP机号,这样当来电话时,...
Telephone circuit UM93403 03 Features Song Xiao Li Guoping UM93403 03 is based on the UM93401 developed large-scale integrated circuits, has the following characteristics. 1. Provide a group of voice messages, the equivalent of outgoing messages. When the owner goes out can use the phone keyboard to type your own “big brother” number or BP number, so when the call, ...