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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS43131 датащи(PDF) 69 Page - Cirrus Logic |
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CS43131 датащи(HTML) 69 Page - Cirrus Logic |
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69 / 156 page  DS1155F1 69 CS43131 5.9 Enabling and Disabling NOS Filter 5.9 Enabling and Disabling NOS Filter Section 5.9.1 and Section 5.9.2 describe pop-free sequences for enabling and disabling the NOS filter, respectively. 5.9.1 Sequence for Enabling NOS Filter 8 Unmute both channels DSD Processor Path Signal Control 1. 0x70002 data(0x70002) AND (0xFC) DSD_RAMP_UP DSD_VOL_BEQA DSD_SZC Reserved DSD_AMUTE DSD_AMUTE_BEQA DSD_MUTE_A DSD_MUTE_B x x x x x x 0 0 Channel A is unmuted Channel B is unmuted 9 Restore default settings 0x80046 0x10010 0x20 0x00 STEP TASK REGISTER/BIT FIELDS VALUE DESCRIPTION 1 Set mute to occur with soft ramp only PCM Path Signal Control 1. 0x90003 data (0x90003) AND (0xEF) OR (0x20) PCM_RAMP_DOWN PCM_VOL_BEQA PCM_SZC PCM_AMUTE PCM_AMUTEBEQA PCM_MUTE_A PCM_MUTE_B x x 10 x x x x Enable soft ramp 2 Mute both channels PCM Path Signal Control 1. 0x90003 data (0x90003) OR (0x03) PCM_RAMP_DOWN PCM_VOL_BEQA PCM_SZC PCM_AMUTE PCM_AMUTEBEQA PCM_MUTE_A PCM_MUTE_B x x xx x x 1 1 Channel A output is muted Channel B output is muted 3 Wait for 150 ms for mute to occur 4 Enable NOS filter PCM Filter Option. 0x90000 data (0x90000) OR (0x20) FILTER_SLOW_FASTB PHCOMP_LOWLATB NOS Reserved PCM_WBF_EN HIGH_PASS DEEMP_ON x x 1 0 0 x x x NOS emulation mode is on 5 Restore PCM_SZC mode if desired PCM Path Signal Control 1. 0x90003 0xHH PCM_RAMP_DOWN PCM_VOL_BEQA PCM_SZC PCM_AMUTE PCM_AMUTEBEQA PCM_MUTE_A PCM_MUTE_B x x BB x x x x Restore PCM_SZC to desired value 6 Unmute both channels PCM Path Signal Control 1. 0x90003 data (0x90003) AND (0xFC) PCM_RAMP_DOWN PCM_VOL_BEQA PCM_SZC PCM_AMUTE PCM_AMUTEBEQA PCM_MUTE_A PCM_MUTE_B x x xx x x 0 0 Function is disabled Function is disabled |
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