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TDA7412 데이터시트(PDF) 47 Page - STMicroelectronics |
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TDA7412 데이터시트(HTML) 47 Page - STMicroelectronics |
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47 / 56 page ![]() 47/56 TDA7412 9.6.15Speaker, Subwoofer and Mixer Level-Control (14-20) The programming of all Speaker-, Subwoofer and Mixing Level-Controls are the same. 9.6.16Testing Audioprocessor (21) Note : This byte is used for testing or evaluation purposes only and must not set to other values than "11101110" in the application! MSB LSB ATTENUATION D7 D6 D5 D4 D3 D2 D1 D0 1 : 1 1 0 0 : 0 0 : 0 0 x 0 : 0 0 0 0 : 0 0 : 1 1 1 0 : 0 0 0 0 : 0 0 : 0 0 1 0 : 0 0 0 0 : 0 1 : 0 0 x 1 : 0 0 0 0 : 1 0 : 1 1 x 1 : 0 0 0 0 : 1 0 : 1 1 x 1 : 0 0 0 0 : 1 0 : 1 1 x 1 : 1 0 0 1 : 1 0 : 0 1 x +15 dB : +1 dB 0 dB 0 dB -1 dB : -15 dB -16 dB : -78 dB -79 dB Mute MSB LSB FUNCTION D7 D6 D5 D4 D3 D2 D1 D0 0 1 Audioprocessor Testmode off on 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 Test-Multiplexer not allowed not allowed not allowed 200kHz Oscillator not allowed not allowed NB-Hold internal Reference 0 Not used 0 1 Clock external internal 0 1 AZ Function off on 0 1 SC-Clock Fast Mode Normal Mode |
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