Table 22: Audio Infoframe Registers - Analog Devices Advantiv ADV7604 Hardware Manual

7.19.1.4 Audio InfoFrame Registers
Table 22 provides the list of readback registers available for the Audio InfoFrame. Refer to the
EIA/CEA-861D specifications for a detailed explanation of the Audio InfoFrame fields.
InfoFrame
Map Address
0xE3
0xE4
0xE5
0x1C
0x1D
0x1E
0x1F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
1
As defined by the EIA/CEA-861D specifications
The audio InfoFrame registers are considered valid if the following two conditions are met:
•
AUDIO_INFO_RAW
•
AUD_INF_CKS_ERR_ST
to 1.
AUDIO_INFO_RAW, IO Map, Address 0x60, [1]
AUDIO_INFO_RAW
fourth leading edge of the VSync following three VSync without any audio InfoFrame. This bit is
also reset to 0 following a packet detection flag reset condition.
Function
AUDIO_INFO_RAW
0
1
Rev. F August 2010

Table 22: Audio InfoFrame Registers

Access Register Name
Type
R/W AUD_PACKET_ID
R AUD_INF_VERS
R AUD_INF_LEN
R AUD_INF_PB_0_1
R AUD_INF_PB_0_2
R AUD_INF_PB_0_3
R AUD_INF_PB_0_4
R AUD_INF_PB_0_5
R AUD_INF_PB_0_6
R AUD_INF_PB_0_7
R AUD_INF_PB_0_8
R AUD_INF_PB_0_9
R AUD_INF_PB_0_10
R AUD_INF_PB_0_11
R AUD_INF_PB_0_12
R AUD_INF_PB_0_13
R AUD_INF_PB_0_14
is 1.
is 0. This condition applies only if
indicates if Audio InfoFrames were received. This bit is reset to 0 on the
Description
No Audio InfoFrame received
Audio InfoFrame received within last three VSync
Byte Name
Packet Type Value
InfoFrame version number
InfoFrame length
Checksum
Data Byte 1
Data Byte 2
Data Byte 3
Data Byte 4
Data Byte 5
Data Byte 6
Data Byte 7
Data Byte 8
Data Byte 9
Data Byte 10
Data Byte 11
Data Byte 12
Data Byte 13
162
ADV7604
1
ALWAYS_STORE_INF is set