Pixel Clock (MHz)
25.2 / 1.001
25.2
27
27 * 1.001
54
54 * 1.001
74.25 / 1.001
74.25
148.5 / 1.001
148.5
Other
Pixel Clock (MHz)
25.2 / 1.001
25.2
27
27 * 1.001
54
54 * 1.001
74.25 / 1.001
74.25
148.5 / 1.001
148.5
Other
6.11.4. Audio Sample Packets
By setting
audioif_cc[2:0]
I2S can be routed to different subpackets using the following fields:
•
subpkt0_l_src
•
subpkt0_r_src
•
subpkt1_l_src
•
subpkt1_r_src
•
subpkt2_l_src
•
subpkt2_r_src
•
subpkt3_l_src
•
subpkt3_r_src
The
audioif_ca[7:0]
must be set to a speaker mapping that corresponds to the I2S input stream to subpacket routing. Using SPDIF has a
default setting of two channels.
The audio packets use the channel status format conforming to the IEC 60958 specification. When the part is configured to receive an I2S
stream, the information sent in the channel status fields is provided by the following fields:
•
cr_bit
•
a_info
•
clk_acc
•
category_code
Rev. B, August 2013
Table 63: Recommended N and Expected CTS Values for 44.1 kHz and Multiples
44.1kHz
N
CTS
7007
31250
6272
28000
6272
30000
6272
30030
6272
60000
6272
60060
17836
234375
6272
82500
8918
234375
6272
16500
6272
Measured
Table 64: Recommended N and Expected CTS Values for 48 kHz and Multiples
48 kHz
N
CTS
6864
28125
6144
25200
6144
27000
6144
27027
6144
54000
6144
54054
11648
140625
6144
74250
5824
140625
6144
148500
6144
Measured
to a value greater then 2 (that is, 3 channel or more), the eight channel audio packet format will be used. The
88.2 kHz
N
CTS
14014
31250
12544
28000
12544
30000
12544
30030
12544
60000
12544
60060
35672
234375
12544
82500
17836
234375
12544
16500
12544
Measured
96 kHz
N
CTS
13728
28125
12288
25200
12288
27000
12288
27027
12288
54000
12288
54054
35672
140625
12288
74250
17836
140625
12288
148500
12288
Measured
275
ADV8003 Hardware Manual
176.4 kHz
N
CTS
28028
31250
25088
28000
25088
30000
25088
30030
25088
60000
25088
60060
71344
234375
25088
82500
35672
234375
25088
16500
25088
Measured
192 kHz
N
CTS
27456
28125
24576
25200
24576
27000
24576
27027
24576
54000
24576
54054
46592
140625
24576
74250
23296
140625
24576
148500
24576
Measured
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