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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS4399 датащи(PDF) 67 Page - Cirrus Logic |
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CS4399 датащи(HTML) 67 Page - Cirrus Logic |
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67 / 111 page  DS1113F1 67 CS4399 5.10 Example Sequences 45 Configure ASP Clock ASP Clock Configuration. 0x40018 0x1C Reserved ASP_M/SB ASP_SCPOL_OUT ASP_SCPOL_IN ASP_LCPOL_OUT ASP_LCPOL_IN 000 1 1 1 0 0 Set ASP port to be Master Set output SCLK polarity Input SCLK polarity is don’t care Set Output LRCLK polarity Input LRCLK polarity is don’t care 46 Configure ASP Frame ASP Frame Configuration. 0x40019 0x0A Reserved ASP_STP ASP_5050 ASP_FSD 000 0 1 010 Configure ASP port to accept I2S input 47 Set ASP Channel Location ASP Channel 1 Location. 0x50000 0x00 ASP_RX_CH1 0x00 ASP Channel 1 starts on SCLK0 ASP Channel 2 Location. 0x50001 0x00 ASP_RX_CH2 0x00 ASP Channel 2 starts on SCLK0 48 Set ASP Channel Size and Enable ASP Channel 1 Size and Enable. 0x5000A 0x07 Reserved ASP_RX_CH1_AP ASP_RX_CH1_EN ASP_RX_CH1_RES 0000 0 1 11 ASP Channel 1 Active Phase ASP Channel 1 Enable ASP Channel 1 Size is 32 bits ASP Channel 2 Size and Enable. 0x5000B 0x0F Reserved ASP_RX_CH2_AP ASP_RX_CH2_EN ASP_RX_CH2_RES 0000 1 1 11 ASP Channel 2 Active Phase ASP Channel 2 Enable ASP Channel 2 Size is 32 bits 49 Setup PCM 50 Configure PCM Filter PCM Filter Option. 0x90000 0x02 FILTER_SLOW_FASTB PHCOMP_LOWLATB NOS Reserved HIGH_PASS DEEMP_ON 0 0 0 000 1 0 High Pass Filter is selected 51 Set Volume for Channel B PCM Volume B. 0x90001 0x0C PCM_VOLUME_B 0x0C Set volume to –6 dB 52 Set Volume for Channel A PCM Volume A. 0x90002 0x0C PCM_VOLUME_A 0x0C Set volume to –6 dB 53 Configure PCM Path Signal Control PCM Path Signal Control 1. 0x90003 0xEC PCM_RAMP_DOWN PCM_VOL_BEQA PCM_SZC PCM_AMUTE PCM_AMUTEBEQA PCM_MUTE_A PCM_MUTE_B 1 1 10 1 1 0 0 Soft ramp down of volume on filter change Volume setting on both channels controlled by PCM_VOLUME_A Enable soft ramp Mute after reception of 8192 samples of 0 or -1. Mute only when AMUTE condition is detected on both channels Function is disabled Function is disabled PCM Path Signal Control 2. 0x90004 0x00 Reserved PCM_INV_A PCM_INV_B PCM_SWAP_CHAN PCM_COPY_CHAN 0000 0 0 0 0 Disable all functions in this register 54 Read interrupt status 2 register Interrupt Status 2. 0xF0001 Clear sticky bits 55 Enable ASP Interrupts Interrupt Mask 2. 0xF0011 0x07 ASP_OVFL_INT_MASK ASP_ERROR_INT_MASK ASP_LATE_INT_MASK ASP_EARLY_INT_MASK ASP_NOLRCK_INT_MASK Reserved 0 0 0 0 0 111 Enable ASP_OVFL interrupt Enable ASP_ERROR interrupt Enable ASP_LATE interrupt Enable ASP_EARLY interrupt Enable ASP_NOLRCK interrupt 56 Enable ASP Clocks Pad Interface Configuration. 0x1000D 0x00 Reserved XSP_3ST ASP_3ST 0000 00 0 0 Enable ASP serial clocks Example 5-12. DoP and PCM Mixing (Cont.) STEP TASK REGISTER/BIT FIELDS VALUE DESCRIPTION |
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