Analog Devices Advantiv ADV7611 Hardware User's Manual page 52

UG-180
DST_AUDIO_PCKT_DET , Addr 68 (HDMI), Address 0x18[2] (Read Only)
DST audio packet detection bit. This bit resets to zero on the 11th HSync leading edge following a DST packet if a subsequent DST has
not been received. Or if an audio, DSD, or HBR packet sample packet has been received or after an HDMI reset condition.
Function
DST_AUDIO_PCKT_DET
0 (default)
1
HBR_AUDIO_PCKT_DET , Addr 68 (HDMI), Address 0x18[3] (Read Only)
HBR Packet detection bit. This bit resets to zero on the 11th HSync leading edge following an HBR packet if a subsequent HBR packet has
not been detected. It also resets if an Audio, DSD or DST packet sample packet has been received and after an HDMI reset condition.
Function
HBR_AUDIO_PCKT_DET
0 (default)
1
Notes
•
The ADV7611 processes only one type of audio packet at a time.
•
The ADV7611 does not process DSD or HBR audio.
•
The ADV7611 processes the latest type of audio packet that it received.
•
AUDIO_SAMPL_PCKT_DET, DSD_PACKET_DET, DST_AUDIO_PCKT_DET, and HBR_AUDIO_PCKT_DET are reset to 0
when a HDMI packet detect reset condition occurs.
•
A corresponding interrupt can be enabled for AUDIO_MODE_CHNG_RAW by setting the mask AUDIO_MODE_CHNG_MB1 or
AUDIO_MODE_CHNG_MB2. Refer to the Interrupts section for additional information on the interrupt feature.
Description
No DST packet received within the last 10 HSync
DST packet received within the last 10 HSync
Description
No HBR audio packet received within the last 10 HSync
HBR audio packet received within the last 10 HSync
Rev. A | Page 52 of 184
Hardware User Guide