Digital Audio Formats; I 2 S Format; Figure 4-4. 12-Channel Dai Port Block Diagram - Cirrus Logic CS485 Series User Manual

Digital Audio Input Port Description
CS485xx Hardware User's Manual
DAI1_DATA0
DAI1_DATA1
DAI1_DATA2
DAI1_DATA3
DAI1_DATA4
DAI1_DATA5
DAI_LRCLK2
DAI_SCLK2

4.2.3 Digital Audio Formats

The DAI data input pins are fully configurable including support for I
and data pins support only slave operation. This subsection describes some common audio formats that
CS485xx supports. It should be noted that the input ports use up to 32-bit PCM resolution.
2
4.2.3.1 I S Format
Figure 4-5 illustrates the I
delay after the transition of DAIn_LRCLK, and is valid on the rising edge of DAIn_SCLK. For the I
the left subframe is presented when DAIn_LRCLK is low, and the right subframe is presented when
DAIn_LRCLK is high.
4-5
DAI1_DATA0
DAI1_DATA1
DAI1_DATA2
DAI1_DATA3
DAI1_DATA4
DAI1_DATA5

Figure 4-4. 12-Channel DAI Port Block Diagram

2 2
S format. For I S, data is presented most-significant bit (MSB) first, one SCLK
Copyright 2009 Cirrus Logic, Inc.
2
S and left-justified formats. DAI clock
2
S format,
DS734UM7