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WM8580 датащи(PDF) 78 Page - Wolfson Microelectronics plc |
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WM8580 датащи(HTML) 78 Page - Wolfson Microelectronics plc |
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78 / 92 page ![]() WM8580 Production Data W PD Rev 4.0 February 2007 78 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION PL[3:0] Left O/P Right O/P 0000 Mute Mute 0001 Left Mute 0010 Right Mute 0011 (L+R)/2 Mute 0100 Mute Left 0101 Left Left 0110 Right Left 0111 (L+R)/2 Left 1000 Mute Right 1001 Left Right 1010 Right Right 1011 (L+R)/2 Right 1100 Mute (L+R)/2 1101 Left (L+R)/2 1110 Right (L+R)/2 3:0 PL[3:0] 1001 1111 (L+R)/2 (L+R)/2 6:4 DZFM[2:0] 000 Selects the source for ZFLAG 000 - All DACs Zero Flag 001 - DAC1 Zero Flag 010 - DAC2 Zero Flag 011 - DAC3 Zero Flag 100 - ZFLAG = 0 101 - ZFLAG = 0 110 - ZFLAG = 0 111 - ZFLAG = 0 R16 DAC CONTROL 2 10h 7 IZD 0 Infinite zero detection circuit control and automute control 0 = Infinite zero detect automute disabled 1 = Infinite zero detect automute enabled 2:0 DEEMP[2:0] 000 De-emphasis mode select DEEMP[0] = 1, enable De-emphasis on DAC1 DEEMP[1] = 1, enable De-emphasis on DAC2 DEEMP[2] = 1, enable De-emphasis on DAC3 R17 DAC CONTROL 3 11h 4 DEEMPALL 0 0 = De-emphasis controlled by DEEMP[2:0] 1 = De-emphasis enabled on all DACs R18 DAC CONTROL 4 12h 5:0 PHASE [5:0] 111111 Controls phase of DAC outputs PHASE[0] = 1 inverts phase of DAC1L output PHASE[1] = 1 inverts phase of DAC1R output PHASE[2] = 1 inverts phase of DAC2L output PHASE[3] = 1 inverts phase of DAC2R output PHASE[4] = 1 inverts phase of DAC3L output PHASE[5] = 1 inverts phase of DAC3R output 2:0 DMUTE[2:0] 000 DAC channel soft mute enables DMUTE[0] = 1, enable soft-mute on DAC1 DMUTE[1] = 1, enable soft-mute on DAC2 DMUTE[2] = 1, enable soft-mute on DAC3 4 MUTEALL 0 DAC channel master soft mute. Mutes all DAC channels 0 = disable soft-mute on all DACs 1 = enable soft-mute on all DACs R19 DAC CONTROL 5 13h 5 DZCEN 0 DAC Digital Volume Zero Cross Enable 0 = Zero Cross detect disabled 1 = Zero Cross detect enabled |
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