Figure 89: Iec60958 Sub Stream - Analog Devices ADV8003 Hardware Manual

Function
subpkt3_r_src[2:0]
000
001
010
011
100
101
110
111 
i2s_32bit_mode, TX2 Main Map, Address 0xF442[3] (Read Only)
This bit is used to readback the I2S mode detection. It shows the number of SCLK periods per LRCLK period.
Function
i2s_32bit_mode
0 
1
cs_bit_override, TX2 Main Map, Address 0xF40C[6]
This bit is used to select the source of channel status bits when using I2S Mode 4.
Function
cs_bit_override
0 
1
audio_sampling_freq_sel, TX2 Main Map, Address 0xF40C[7]
This bit is used to select whether the audio sampling frequency is set automatically or manually (via I2C).
Function
audio_sampling_freq_s
el
0
1 
Rev. B, August 2013
Description
I2S[0], left channel
I2S[0], right channel
I2S[1], left channel
I2S[1], right channel
I2S[2], left channel
I2S[2], right channel
I2S[3], left channel
I2S[3], right channel
Description
I2S 32 bit mode detected
I2S 64 bit mode detected
Description
Use channel status bits from I2S stream
Use channel status bits programmed in I2C registers
Description
Use sampling frequency from I2S stream, for SPDIF stream
Use sampling frequency from I2C registers

Figure 89: IEC60958 Sub Stream

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ADV8003 Hardware Manual