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WM8980CGEFL/V Datasheet(PDF) 109 Page - Wolfson Microelectronics plc |
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WM8980CGEFL/V Datasheet(HTML) 109 Page - Wolfson Microelectronics plc |
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109 / 123 page  Pre-Production WM8980 w PP, Rev 3.8, May 2012 109 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 6:4 R2_2 BOOSTVOL 000 Controls the R2 pin to the right channel input boost stage: 000=Path disabled (disconnected) 001=-12dB gain through boost stage 010=-9dB gain through boost stage … 111=+6dB gain through boost stage Input Signal Path 3 0 Reserved 2:0 AUXR2 BOOSTVOL 000 Controls the auxiliary amplifer to the right channel input boost stage: 000=Path disabled (disconnected) 001=-12dB gain through boost stage 010=-9dB gain through boost stage … 111=+6dB gain through boost stage Input Signal Path 49 (31h) 8:7 00 Reserved 6 DACL2RMIX 0 Left DAC output to right output mixer 0 = not selected 1 = selected Analogue Outputs 5 DACR2LMIX 0 Right DAC output to left output mixer 0 = not selected 1 = selected Analogue Outputs 4 OUT4 BOOST 0 0 = OUT4 output gain = -1; DC = AVDD / 2 1 = OUT4 output gain = +1.5 DC = 1.5 x AVDD / 2 Analogue Outputs 3 OUT3 BOOST 0 0 = OUT3 output gain = -1; DC = AVDD / 2 1 = OUT3 output gain = +1.5 DC = 1.5 x AVDD / 2 Analogue Outputs 2 SPKBOOST 0 0 = speaker gain = -1; DC = AVDD / 2 1 = speaker gain = +1.5; DC = 1.5 x AVDD / 2 Analogue Outputs 1 TSDEN 1 Thermal Shutdown Enable 0 : thermal shutdown disabled 1 : thermal shutdown enabled Analogue Outputs 0 VROI 0 VREF (AVDD/2 or 1.5xAVDD/2) to analogue output resistance 0: approx 1k 1: approx 30 k Analogue Outputs 50 (32h) 8:6 AUXLMIX VOL 000 Aux left channel input to left mixer volume control: 000 = -15dB 001 = -12dB … 101 = 0dB 110 = +3dB 111 = +6dB Analogue Outputs 5 AUXL2L MIX 0 Left Auxiliary input to left channel output mixer: 0 = not selected 1 = selected Analogue Outputs |
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