发明名称 Integrated circuit device testable by an external computer system
摘要 An integrated circuit device for an electronic equipment having an internal bus, the integrated circuit device comprising a plurality of input terminals, a switch circuit connected to the plurality of input terminals for selecting any one of a respective plurality of input signals via the plurality of input terminals, a switch control circuit for controlling the switch circuit to select any one of the input signals in dependence on a selection signal, an analog-to-digital converter for converting the selected input signal from the switch circuit into a corresponding serial digital signal, and a bus interface circuit connected to the internal bus for sending the serial digital signal from the analog-to-digital converter to the internal bus and for sending the selection signal from the internal bus to the switch control circuit.
申请公布号 US4701870(A) 申请公布日期 1987.10.20
申请号 US19850749825 申请日期 1985.06.28
申请人 SONY CORPORATION 发明人 MOGI, TAKAO;MORIZONO, MASAHIKO
分类号 G06F3/05;G01R31/28;G06F3/00;G06F11/273;G06J1/00;(IPC1-7):G05B23/02;G06F11/30;G06F13/12 主分类号 G06F3/05
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