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PCM5121 Datasheet(PDF) 83 Page - Texas Instruments |
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PCM5121 Datasheet(HTML) 83 Page - Texas Instruments |
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83 / 121 page  83 PCM5121, PCM5122 www.ti.com SLAS763C – AUGUST 2012 – REVISED OCTOBER 2018 Product Folder Links: PCM5121 PCM5122 Submit Documentation Feedback Copyright © 2012–2018, Texas Instruments Incorporated Table 84. Page 0 / Register 41 Dec Hex b7 b6 b5 b4 b3 b2 b1 b0 41 29 AOFS7 AOFS6 AOFS5 AOFS4 AOFS3 AOFS2 AOFS1 AOFS0 Reset Value 0 0 0 0 0 0 0 0 AOFS[7:0] I2S Shift These bits control the offset of audio data in the audio frame for both input and output. The offset is defined as the number of BCK from the starting (MSB) of audio frame to the starting of the desired audio sample. Default value: 00000000 00000000: offset = 0 BCK (no offset) 00000001: ofsset = 1 BCK 00000010: offset = 2 BCKs . . . 11111111: offset = 256 BCKs Table 85. Page 0 / Register 42 Dec Hex b7 b6 b5 b4 b3 b2 b1 b0 42 2A RSV RSV AUPL1 AUPL0 RSV RSV AUPR1 AUPR0 Reset Value 0 1 0 1 RSV Reserved Reserved. Do not access. AUPL[1:0] Left DAC Data Path These bits control the left channel audio data path connection. Default value: 01 00: Zero data (mute) 01: Left channel data 10: Right channel data 11: Reserved (do not set) AUPR[1:0] Right DAC Data Path These bits control the right channel audio data path connection. Default value: 01 00: Zero data (mute) 01: Right channel data 10: Left channel data 11: Reserved (do not set) Table 86. Page 0 / Register 43 Dec Hex b7 b6 b5 b4 b3 b2 b1 b0 43 2B RSV RSV RSV PSEL4 PSEL3 PSEL2 PSEL1 PSEL0 Reset Value 0 0 0 0 1 RSV Reserved Reserved. Do not access. PSEL[4:0] DSP Program Selection These bits select the DSP program to use for audio processing. Default value: 00001 00000: Reserved (do not set) 00001: 8x/4x/2x FIR interpolation filter with de-emphasis 00010: 8x/4x/2x Low latency IIR interpolation filter with de-emphasis |
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