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TAS5518PAG Datasheet(PDF) 75 Page - Texas Instruments |
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TAS5518PAG Datasheet(HTML) 75 Page - Texas Instruments |
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75 / 102 page  Serial Control Interface Register Definitions 66 SLES115 — August 2004 TAS5518 6.4 System Control Register 1 (0x03) Bit D5, D2, D1, and D0 are Don’t Care. Table 6−4. System Control Register 1 D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION 0 − − − PWM high pass disabled 1 − − − PWM high pass enabled − − 0 Soft unmute on recovery from clock error − − 1 Hard unmute on recovery from clock error − − − 1 PSVC Hi-Z enable − − − 0 PSVC Hi-Z disable 6.5 System Control Register 2 (0x04) Bit D3 and D2 are Don’t Care. Table 6−5. System Control Register 2 D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION 0 − − − − − Reserved − 0 − − − − PWM automute detection enabled − 1 − − − − PWM automute detection disabled 0 − − − 8 Ch device input detection automute enabled − − 1 − − − 8 Ch device input detection automute disabled − − − 0 − − Unmute threshold 6 dB over input threshold − − − 1 − − Unmute threshold equal to input threshold − − − − 0 0 No de-emphasis − − − − 0 1 De-emphasis for Fs = 32 kHz − − − − 1 0 De-emphasis for Fs = 44.1 kHz − − − − 1 1 De-emphasis for Fs = 48 kHz 6.6 Channel Configuration Control Register (0x05−X0C) Channels 1, 2, 3, 4, 5, 6, 7, and 8 are mapped into x05, x06, x07, x08, x09, x0A, x0B, and x0C. Bit D0 is Don’t Care. Table 6−6. Channel Configuration Control Registers D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION 0 − − − − − − Disable backend reset sequence for a channel − BEErrorRecEn 1 − − − − − − Enable backend reset sequence for a channel − 0 − − − − − Valid does not have to be low for this channel to be reset BEValidRst − 1 − − − − − Valid must be low for this channel to be reset − − 0 − − − − Valid does not have to be low for this channel to be muted BEValidMute − − 1 − − − − Valid must be low for this channel to be muted − − − 0 − − − Normal BEPolarity − − − 1 − − − Switches PWM+ and PWM− and invert audio signal − − − − 0 − − Do not remap output to comply with 5182 interface − − − − 1 − − Remap output to comply with 5182 interface − − − − − 0 − Do not go to low low in mute − BELowMute − − − − − 1 − Go to low-low in Mute − − − − − − 0 Do not remap Hi-Z state to low-low state − BE5111BsMute − − − − − − 1 Remap Hi-Z state to low-low state |
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