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WM8580 Datasheet(PDF) 82 Page - Wolfson Microelectronics plc |
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WM8580 Datasheet(HTML) 82 Page - Wolfson Microelectronics plc |
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82 / 97 page  WM8580 Production Data w PD Rev 4.3 August 2007 82 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R18 DAC Control 4 12h 5:0 PHASE [5:0] 111111 Controls phase of DAC outputs PHASE[0] = 0 inverts phase of DAC1L output PHASE[1] = 0 inverts phase of DAC1R output PHASE[2] = 0 inverts phase of DAC2L output PHASE[3] = 0 inverts phase of DAC2R output PHASE[4] = 0 inverts phase of DAC3L output PHASE[5] = 0 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 5 DZCEN 0 DAC Digital Volume Zero Cross Enable 0 = Zero Cross detect disabled 1 = Zero Cross detect enabled 6 DACATC 0 Attenuator Control 0 = All DACs use attenuations as programmed. 1 = Right channel DACs use corresponding left DAC attenuations R19 DAC Control 5 13h 7 MPDENB 0 MUTE pin decode enable 0 = MUTE activates soft-mute on DAC selected by DZFM 1 = MUTE activates softmute on all DACs 7:0 LDA1[7:0] 11111111 (0dB) Digital Attenuation control for DAC1 Left Channel (DACL1) in 0.5dB steps. See Table 23 R20 Digital Attenuation DACL 1 14h 8 UPDATE Not latched Controls simultaneous update of all Attenuation Latches 0 = Store LDA1 in intermediate latch (no change to output) 1 = Apply LDA1 and update attenuation on all channels 7:0 RDA1[6:0] 11111111 (0dB) Digital Attenuation control for DAC1 Right Channel (DACR1) in 0.5dB steps. See Table 23 R21 Digital Attenuation DACR 1 15h 8 UPDATE Not latched Controls simultaneous update of all Attenuation Latches 0 = Store RDA1 in intermediate latch (no change to output) 1 = Apply RDA1 and update attenuation on all channels 7:0 LDA2[7:0] 11111111 (0dB) Digital Attenuation control for DAC2 Left Channel (DACL2) in 0.5dB steps. See Table 23 R22 Digital Attenuation DACL 2 16h 8 UPDATE Not latched Controls simultaneous update of all Attenuation Latches 0 = Store LDA2 in intermediate latch (no change to output) 1 = Apply LDA2 and update attenuation on all channels 7:0 RDA2[7:0] 11111111 (0dB) Digital Attenuation control for DAC2 Right Channel (DACR2) in 0.5dB steps. See Table 23 R23 Digital Attenuation DACR 2 17h 8 UPDATE Not latched Controls simultaneous update of all Attenuation Latches 0 = Store RDA2 in intermediate latch (no change to output) 1 = Apply RDA2 and update attenuation on all channels 7:0 LDA3[7:0] 11111111 (0dB) Digital Attenuation control for DAC3 Left Channel (DACL3) in 0.5dB steps. See Table 23 R24 Digital Attenuation DACL 3 18h 8 UPDATE Not latched Controls simultaneous update of all Attenuation Latches 0 = Store LDA3 in intermediate latch (no change to output) 1 = Apply LDA3 and update attenuation on all channels R25 Digital 7:0 RDA3[7:0] 11111111 (0dB) Digital Attenuation control for DAC3 Right Channel (DACR3) in 0.5dB steps. See Table 23. |
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