Datasheet

AD9393
Rev. 0 | Page 16 of 40
Hex Address Read/Write Bits
Default
Value Register Name Description
0x5E Read [7:6] 0 Channel status Mode = 00. All others are reserved.
[5:3] 0 PCM audio data When Bit 1 = 0 (linear PCM):
000 = two audio channels without pre-emphasis.
001 = two audio channels with 50 μs/15 μs pre-emphasis.
010 = reserved.
011 = reserved.
[2] 0 Copyright information 0 = software for which copyright is asserted.
1 = software for which no copyright is asserted.
[1] 0 Linear PCM identification 0 = audio sample word represents linear PCM samples.
1 = audio sample word used for other purposes.
[0] 0 Use of channel
status block
0 = consumer use of channel status block.
Audio Channel Status
0x5F Read [7:0] 0 Channel status
category code
Per HDMI
0x60 Read [7:4] 0 Channel number Per HDMI
[3:0] 0 Source number Per HDMI
0x61 Read [5:4] 0 Clock accuracy Clock accuracy.
00 = Level II.
01 = Level III.
10 = Level I.
11 = reserved.
[3:0] 0 Sampling frequency 0011 = 32 kHz.
0000 = 44.1 kHz.
1000 = 88.2 kHz.
1100 = 176.4 kHz.
0010 = 48 kHz.
1010 = 96 kHz.
1110 = 192 kHz.
0x62 Read [3:0] 0 Word length Word length.
0000 = not specified.
0100 = 16 bits.
0011 = 17 bits.
0010 = 18 bits.
0001 = 19 bits.
0101 = 20 bits.
1000 = not specified.
1100 = 20 bits.
1011 = 21 bits.
1010 = 22 bits.
1001 = 23 bits.
1101 = 24 bits.
0x7B Read [7:0] 0 CTS[19:12] Cycle time stamp. This 20-bit value is used with the N value
to regenerate an audio clock. For the remaining bits, see
Register 0x7C and Register 0x7D.
0x7C Read [7:0] 0 CTS[11:4] See Register 0x7B
0x7D Read [7:4] 0 CTS[3:0] See Register 0x7B
Read [3:0] 0 N[19:16] 20-bit N used with CTS to regenerate the audio clock. For
remaining bits, see Register 0x7E and Register 0x7F.
0x7E Read [7:0] 0 N[15:8] See Register 0x7D
0x7F Read [7:0] 0 N[7:0] See Register 0x7D
AVI Infoframe
0x80 Read [7:0] 0 AVI infoframe version