Document Type and Number:
Japanese Patent JPH0521246
Kind Code:
B2
Abstract:
An integrated circuit device for an electronic equipment having an internal bus, the integrated circuit device comprising a digital-to-analog converter for converting a serial digital control signal to a corresponding analog control signal, a plurality of circuits subject to control in response to the analog control signal for performing specific functions, a switch circuit for selecting any one of the plurality of circuits, a switch control circuit for controlling the switch circuit to select any one of the plurality of circuits according to a received selection signal, an analog-to-digital converter for converting an output signal from the switch circuit into a corresponding digital signal, and a bus interface circuit for sending the serial digital control signal from the internal bus to the digital-to-analog converter and for sending the selection signal to the switch control circuit.
Inventors:
MORISONO MASAHIKO
MOGI HISAO
MOGI HISAO
Application Number:
JP14565784A
Publication Date:
March 23, 1993
Filing Date:
July 13, 1984
Export Citation:
Assignee:
SONY CORP
International Classes:
G06F3/05; G01R31/28; G06F3/00; G06F11/273; G06J1/00; H04N17/04
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