华邦公司ISD1700芯片资料，有语音输入输出功能，不仅在录音功能上有更多的选择（20~40秒）更增加了对地址的人性化操作，对嵌入式开发人员有用。-Winbond ISD1700 chip data ... voice input and output functions ... not only have more choices on the recording function (20 ~ 40 seconds) adds to the humane operation of the ad