Integrated circuit devices

Details Integrated circuit devices Integrated circuit devices

G - Physics

01

R

356/117, 354/221

G01R 31/28 (2006.01) G06F 11/273 (2006.01) G06J 1/00 (2006.01)

Patent

CA 1228164

ABSTRACT OF THE DISCLOSURE 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.

485050

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