1)  ISD2590
ISD2590
1.
Single chip microcomputer AT89S52 is control core in the system,and the voice circuit of the system is composed of voice chip ISD2590,which realizes that the measuring results are calculated in real-time.
系统以单片机AT89S52为控制核心,采用语音芯片ISD2590构成语音电路,实现了测量结果语音化。