Title: Integrated circuit for digitallised electronic instrument
Application Number: 85101635 Application Date: 1985.04.01
Publication Number: 1007733 Publication Date: 1987.01.24
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01L27/00
Applicant(s) Name: Sony Corp. (JP) 4-7-35 Kitashinagawa, Shinagawa, T Address:
Inventor(s) Name: Masahiko Morizono
Attorney & Agent: LI XIANCHUN
Abstract:
     An electronic instrument in which there is an internal bus is composed of: a) D/A converter for converting the data string controlling signal into the corresponding analog signal. b) many circuits for finishing desired functions according to the analog signal to control, c) switch circuit for selecting any one of the circuits mentioned above, d) switch-controlling circuit for controlling switch circuit according to the received selecting signal to select any one of many circuits mentioned above. e) A/D converter for converting the output signal from the switch circuit into the corresponding digit signal. f) bus interface circuit for transmitting the digit controlling signal from the internal bus mentioned above to the D/A converter mentioned above, and then the D/A will transmit the said selecting signal to the said switch-controlling circuit.
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