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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) 83 Page - Cirrus Logic |
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CS43131 датащи(HTML) 83 Page - Cirrus Logic |
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83 / 156 page  DS1155F1 83 CS43131 5.13 Example Sequences 15 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 Configure clock polarity for I2S input 16 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 17 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 18 Set ASP channel size and enable. Set both Channel 1 and Channel 2 to the same active phase to get the same data for mono mode. ASP Channel 1 Size and Enable. 0x5000A 0x07/0x0F for Left/Right channel Reserved ASP_RX_CH1_AP ASP_RX_CH1_EN ASP_RX_CH1_RES 0000 0/1 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 0x07/0x0F for Left/Right channel Reserved ASP_RX_CH2_AP ASP_RX_CH2_EN ASP_RX_CH2_RES 0000 0/1 1 11 ASP Channel 2 Active Phase ASP Channel 2 Enable ASP Channel 2 Size is 32 bits 19 Configure PCM interface. HPF filter is used. Deemphasis off. 20 Configure PCM filter PCM Filter Option. 0x90000 0x02 FILTER_SLOW_FASTB PHCOMP_LOWLATB NOS Reserved PCM_WBF_EN HIGH_PASS DEEMP_ON 0 0 0 0 0 0 1 0 High pass filter is selected 21 Set volume for channel B PCM Volume B. 0x90001 0x00 PCM_VOLUME_B 0x00 Set volume to 0 dB 22 Set volume for channel A PCM Volume A. 0x90002 0x00 PCM_VOLUME_A 0x00 Set volume to 0 dB 23 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 24 Configure HP 25 Configure Class H amplifierClass H Control. 0xB0000 0x1E Reserved ADPT_PWR HV_EN EXT_VCPFILT 000 1 11 1 0 Output signal determines voltage level High voltage mode enabled Using internal VCPFILT source. 26 Set HP output to full scale HP Output Control 1. 0x80000 0x30 HP_CLAMPA HP_CLAMPB OUT_FS HP_IN_EN HP_IN_LP Reserved +1dB_EN 0 0 11 0 0 0 0 Set headphone output to full scale (1.732 V rms) Example 5-10. Startup to I2S Playback in Mono Mode (Cont.) STEP TASK REGISTER/BIT FIELDS VALUE DESCRIPTION |
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