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STW5095 数据表(PDF) 37 Page - STMicroelectronics |
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STW5095 数据表(HTML) 37 Page - STMicroelectronics |
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37 / 73 page ![]() Control registers STw5095 36/72 5.7 Digital audio interfaces CR# (hex) Description D7D6D5D4 D3 D2D1 D0 Def. CR26 (1Ah) DAC Data IF Control X DAFORM(2:0) DASPIM DAWL(2:0) 0000 0000 CR27 (1Bh) ADC Data IF Control ADRTOL ADFORM2:0) ADSPIM ADWL(2:0) 0000 0000 CR28 (1Ch) DAC&ADC Data IF Control AMCKINV DACKP DASYNCP DAMONO ADCKP ADSYNCP ADMONO ADHIZ 0000 0000 Bits Name Value CR26 Description Def. 6-4 DAFORM(2:0) 000 001 010 011 100 111 DA Audio Interface Format Selection Delayed Format (I2S Compatible) Left Aligned Format Right Aligned Format DSP Format SPI Format PCM Format (uses left channel) 000 3 DASPIM 1 0 DA interface in SPI mode receives one word for both channels DA interface in SPI mode receives two words (alternated, left channel first) 0 2-0 DAWL(2:0) 000 001 010 011 100 DA interface word length 16 bit 18 bit 20 bit 24 bit 32 bit 000 Bits Name Value CR27 Description Def. 7ADRTOL 1 0 AD Right Channel sent to PCM I/F (must set ENADCR=0 in CR1) Normal Operation 0 6-4 ADFORM(2:0) 000 001 010 011 100 111 AD Audio Interface Format Selection Delayed Format (I2S compatible) Left Aligned Format Right Aligned Format DSP Format SPI Format PCM Format (sends out left channel) 000 3 ADSPIM 1 0 AD interface in SPI mode sends one channel (left) AD interface in SPI mode sends two channels (alternated, left first) 0 2-0 ADWL(2:0) 000 001 010 011 100 AD interface word length 16 bit 18 bit 20 bit 24 bit 32 bit 000 |
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