Analog Devices Advantiv ADV7619 Hardware User's Manual page 68

UG-237
LRCLK
SCLK
32 SCLKs
SLOT 1
AP
LEFT 1
DSD Audio Interface and Output Controls
The ADV7619 incorporates a 6-DSD channel interface used to output the audio stream extracted from DSD packets. Each of the DSD
channels carries an oversampled 1-bit representation of the audio signal as delivered on super audio CDs (SACDs).
Table 14. DSD Interface Description
DSD Interface IO
DSD0A
DSD0B
DSD1A
DSD1B
DSD2A
DSD2B
SCLK
MCLKOUT
Two controls are provided to change the mapping between the audio output ports and DSD signals.
DSD_MAP_ROT[2:0] , Addr 68 (HDMI), Address 0x6D[2:0]
A control to select the arrangement of the DSD interface on the audio output port pins.
Function
DSD_MAP_ROT[2:0] Description
000 (default) [DSD0A on AP0] [DSD0B on AP1] [DSD1A on AP2] [DSD1B on AP3] [DSD2A on AP4] [DSD2B on AP5]
001 [DSD2B on AP0] [DSD0A on AP1] [DSD0B on AP2] [DSD1A on AP3] [DSD1B on AP4] [DSD2A on AP5]
010 [DSD2A on AP0] [DSD2B on AP1] [DSD0A on AP2] [DSD0B on AP3] [DSD1A on AP4] [DSD1B on AP5]
011 [DSD1B on AP0] [DSD2A on AP1] [DSD2B on AP2] [DSD0A on AP3] [DSD0B on AP4] [DSD1A on AP5]
100 [DSD1A on AP0] [DSD1B on AP1] [DSD2A on AP2] [DSD2B on AP3] [DSD0A on AP4] [DSD0B on AP5]
101 [DSD0B on AP0] [DSD1A on AP1] [DSD1B on AP2] [DSD2A on AP3] [DSD2B on AP4] [DSD0A on AP5]
110 Reserved
111 Reserved
DSD_MAP_INV , Addr 68 (HDMI), Address 0x6D[3]
A control to invert the arrangement of the DSD interface on the audio output port pins. Note the arrangement of the DSD interface on
the audio output port pins is determined by DSD_MAP_ROT[2:0] .
Function
DSD_MAP_INV
0 (default)
1
SLOT 2 SLOT 3
RIGHT 1 LEFT 2
MSB MSB – 1
Figure 25. I
Function
1
2
3
4
5
6
Bit clock
Audio master clock output
Description
Do not invert arrangement of the DSD channels on the audio output port pins
Invert arrangement of the DSD channels on the audio output port pins
Rev. A | Page 68 of 204
256 SCLKs
SLOT 4 SLOT 5
RIGHT 2 LEFT 3
LRCLK
SCLK
MSB – 2
AP
2
S TDM Stream
st
DSD data channel
nd
DSD data channel
rd
DSD data channel
th
DSD data channel
th DSD data channel
th
DSD data channel
Hardware User Guide
SLOT 6 SLOT 7
RIGHT 3 LEFT 4
SLOT 8
RIGHT 4