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TDA7718B 数据表(PDF) 28 Page - STMicroelectronics |
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TDA7718B 数据表(HTML) 28 Page - STMicroelectronics |
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28 / 40 page ![]() I2C bus specification TDA7718B 28/40 DocID18305 Rev 3 5.2.3 Reset condition A Power-On-Reset is invoked if the supply voltage is below than 3.5 V. After that the registers are initialized to the default data written in following tables. Table 7. Subaddress (receive mode) MSB LSB Function I2 I1 I0 A4 A3 A2 A1 A0 0 1 -- - - - - - Testing mode Off On - x -- - - -- Not used -- 0 1 -- - - - Auto increment mode Off On -- - 0 0 0 0 0 Main selector -- - 0 0 0 0 1 Not used -- - 0 0 0 1 0 Not used -- - 0 0 0 1 1 Not used - - - 0 0 1 0 0 Soft-mute / others -- - 0 0 1 0 1 Soft-step I - - - 0 0 1 1 0 Soft-step II / DC-detector - - - 0 0 1 1 1 Loudness - - - 0 1 0 0 0 Volume / output gain -- - 0 1 0 0 1 Treble -- - 0 1 0 1 0 Middle -- - 0 1 0 1 1 Bass - - - 0 1 1 0 0 Subwoofer / middle / bass - - - 0 1 1 0 1 Speaker attenuator left front - - - 0 1 1 1 0 Speaker attenuator right front - - - 0 1 1 1 1 Speaker attenuator left rear - - - 1 0 0 0 0 Speaker attenuator right rear - - - 1 0 0 0 1 Subwoofer attenuator left - - - 1 0 0 1 0 Subwoofer attenuator right - - - 1 0 0 1 1 Testing audio processor 1 - - - 1 0 1 0 0 Testing audio processor 2 - - - 1 0 1 0 1 Testing audio processor 3 |
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