Analog Devices Advantiv ADV7619 Hardware User's Manual page 69

Hardware User Guide
DSD_MAP_ROT[2:0] and DSD_MAP_INV are independent controls. Any combination of values is therefore allowed for
DSD_MAP_ROT[2:0] and DSD_MAP_INV. Table 15 and Table 16 show examples of mappings for the DSD signals.
Table 15 Audio Mapping for DSD_MAP_ROT = 00, DSD_MAP_INV = 0 (Default)
Output Pixel Port Name
AP0
AP1
AP2
AP3
AP4
AP5
Table 16 Audio Mapping for DSD_MAP_ROT = 00, DSD_MAP_INV = 1
Output Pixel Port Name
AP0
AP1
AP2
AP3
AP4
AP5
Notes
DSD0A and DSD0B output must be used when in stereo mode only. DSD0A and DSD0B always carry the main two-channel audio data.
DSD1A, DSD1B, DSD2A, and DSD2B are the surround channels.
By default, the ADV7619 automatically enables the DSD interface if it receives DSD packets. The ADV7619 also automatically enables the
2
I S interface if it receives audio sample packets or if it does not receive any audio packets. However, it is possible to override the audio
interface that is used via the OVR_AUTO_MUX_DSD_OUT and MUX_DSD_OUT controls.
OVR_AUTO_MUX_DSD_OUT, Addr 68 (HDMI), Address 0x01[3]
DSD/DST override control. In automatic control, DSD or I
interface enabled if part receives DSD or DST audio sample packet. I
when no packet is received. In manual mode, MUX_DSD_OUT selects the output interface.
Function
OVR_AUTO_MUX_DSD_OUT
0 (default)
1
MUX_DSD_OUT, Addr 68 (HDMI), Address 0x01[4]
An override control for the DSD output.
Function
MUX_DSD_OUT
0 
1
SCLK
1
DSDxx
1
WHERE xx IS A CHANNEL, SUCH AS 0A, 0B.
Figure 26. DSD Timing Diagram
2
S interface is selected according to the type of packet received. DSD/DST
Description
Automatic DSD/DST output control
Override DSD/DST output control
Description
2
Override by outputting I S data
Override by outputting DSD/DST data
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DSD Interface
DSD0A
DSD0B
DSD1A
DSD1B
DSD2A
DSD2B
DSD Interface
DSD2B
DSD2A
DSD1B
DSD1A
DSD0B
DSD0A
2
S interface is enabled when part receives audio sample packets or
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