| 摘要 |
PURPOSE:To simplify a connecting part by capturing the absolute minimum data amounts outputted from a descramble module, to obtain the freedom degree of connectability with an outside CPU even when specification change occurs, and to improve flexibility. CONSTITUTION:Scramble related information included in demodulated data from a tuner and demodulating part 100 is processed by a packet extracting and processing part 2 of a descramble module 200, and decoded by a security logic circuit 3. A signal for voice release after decoding is applied to a data decoding part 8, and a signal for video release is inputted to a video signal processing circuit 5. Scramble related display data from the packet extracting and processing part 2 or the data on operation from the security logic circuit 3 are inputted to a buffer control part 30. The buffer control part 30 outputs necessary display data in response to a CPU 101 of the tuner and demodulating part 100. Thus, the absolute minimum communication can be realized, and communication with an outside can be attained.
|
