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WM8580 датащи(PDF) 87 Page - Wolfson Microelectronics plc |
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WM8580 датащи(HTML) 87 Page - Wolfson Microelectronics plc |
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87 / 103 page ![]() Production Data WM8580 w PD Rev 4.5 February 2008 87 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION 1:0 DAC1SEL [1:0] 00 3:2 DAC2SEL [1:0] 01 5:4 DAC3SEL [1:0] 10 DAC digital input select 00 = DAC takes data from DIN1 01 = DAC takes data from DIN2 10 = DAC takes data from DIN3 R15 DAC Control 1 0Fh 8 RX2DAC_MODE 0 DAC oversampling rate and power down control (only valid when DAC_SRC = 00, S/PDIF receiver) 0 = SFRM_CLK determines oversampling rate, DACs 2/3 powered down 1 = PAIFRX_LRCLK determines oversampling rate, DACs 2/3 source PAIF Receiver 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 |
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