Television receivers.

摘要

In a television receiver in which a television signal is processed in a digital form and which includes a memory (29,39,49) for storing data to control such processing, a circuit is provided for refreshing the data in the memory at certain regular periods and a circuit is also provided for writing input data into the memory at the appropriate location at any time new data is inputted by the user. An operating method is also provided to accomplish the functional tasks of the refreshing circuit and interrupt circuit.