Patent ID: 7770082
Filing Date: 2010-08-03
Classification: G01R,G09G

Abstract:
1. A semiconductor integrated circuit comprising: a data signal processor for processing an input image signal on the basis of an input control signal; a control bus portion that has an operating clock slower than that of the data signal processor, for processing an input signal from outside of the circuit to generate a control signal and for outputting the generated control signal to the data signal processor; a first path for inputting a predetermined control signal from outside of the circuit to the data signal processor without passing the predetermined control signal through the control bus portion; a second path for inputting the generated control signal to the data signal processor; a switching portion for selectively switching the first path and the second path; and an input terminal electrically connected to the data signal processor, for inputting at least a part of the input image signal to the data signal processor, and for inputting the predetermined control signal when the first path is selected by the switching portion.