Category Code; Source Number And Channel Number; Sampling And Frequency Accuracy - Analog Devices Advantiv ADV7604 Hardware Manual

7.18.3 Category Code

The category code is specified in Byte 1 of the channel status. The category code indicates the type
of equipment that generates the digital audio interface signal. For more information, refer to the
IEC60958 standards.
CS_DATA[15:8], Category Code, HDMI Map, Address 0x37, [7:0]
Function
CS_DATA[15:8]
xxxx xxxx
0000 0000
1
Refer to IEC60958-3 standards

7.18.4 Source Number and Channel Number

CS_DATA[19:16], Source Number, HDMI Map, Address 0x38, [3:0]
Function
CS_DATA[19:16]
xxxx
0000
1
Refer to IEC60958-3 standards
CS_DATA[23:20], Channel Number, HDMI Map, Address 0x38, [7:4]
Function
CS_DATA[23:20]
xxxxx
00000
1
Refer to IEC60958-3 standards

7.18.5 Sampling and Frequency Accuracy

The sampling frequency and clock accuracy are specified by Byte 3 of the channel status. For
additional information, refer to the IEC60958 standards.
CS_DATA[27:24], Sampling Frequency, HDMI Map, Address 0x39, [3:0]
Function
1
CS_DATA[27:24]
0000
0010
0011
1000
1010
1100
1110
1
Unspecified values are reserved
Rev. F August 2010
Description
1
Category code
Reset value
Description
1
Source number
Reset value
Description
1
Channel number
Reset value
Description
44.1 kHz
48 kHz
32 kHz
88.2 kHz
96 kHz
176 kHz
192 kHz
155
ADV7604