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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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CS43198 bảng dữ liệu(PDF) 87 Page - Cirrus Logic |
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CS43198 bảng dữ liệu(HTML) 87 Page - Cirrus Logic |
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87 / 137 page  DS1156F1 87 CS43198 5.12 Example Sequences 43 Set ASP LRCK high Time ASP LRCK High Time 1. 0x40014 0x1F ASP_LCHI_LSB 0x1F LSB of ASP LRCK high time duration ASP LRCK High Time 2. 0x40015 0x00 ASP_LCHI_MSB 0x00 MSB of ASP LRCK high time duration 44 Set ASP LRCK period ASP LRCK Period 1. 0x40016 0x3F ASP_LCPR_LSB 0x3F LSB of ASP LRCK period ASP LRCK Period 2. 0x40017 0x00 ASP_LCPR_MSB 0x00 MSB of ASP LRCK period 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 PCM_WBF_EN HIGH_PASS DEEMP_ON 0 0 0 00 0 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 Example 5-13. DoP and PCM Mixing (Cont.) STEP TASK REGISTER/BIT FIELDS VALUE DESCRIPTION |
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