Table 95: Recommended N And Expected Cts Values For 32 Khz Audio; Table 96: Recommended N And Expected Cts Values For 44.1 Khz And Multiples - Analog Devices ADV7850 Hardware Manual

Function
cts_sel
0 
1
cts_manual[19:0], Addr 72 (Main), Address 0x07[3:0]; Address 0x08[7:0]; Address 0x09[7:0]
Cycle Time Stamp (CTS) manually set. This parameter is used with the N parameter to regenerate the audio clock in the
receiver.
Function
cts_manual[19:0]
0x00000 <<
cts_internal[19:0] , Addr 72 (Main), Address 0x04[3:0]; Address 0x05[7:0]; Address 0x06[7:0] (Read Only)
Automatically generated Cycle Time Stamp (CTS) parameter. This parameter is used with the N parameter to regenerate
the audio clock in the receiver.
Function
cts_internal[19:0]
0x00000 <<
n[19:0], Main Map, Address 0x01[3:0]; Address 0x02[7:0]; Address 0x03[7:0]
Audio clock regeneration parameter N. This parameter is used with CTS to regenerate the audio clock in the receiver.
Function
n[19:0]
0x00000 <<
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
Rev. A May 2012
Description
Internally generated
Set by user
Description
Default value
Description
Default value
Description
Default value

Table 95: Recommended N and Expected CTS Values for 32 kHz Audio

N
4576
4096
4096
4096
4096
4096
11648
4096
11648
4096
4096

Table 96: 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
32 kHz
CTS
28125
25200
27000
27027
54000
54054
210937 – 210938
74250
421875
148500
Measured
88.2 kHz
N CTS
14014 31250
12544 28000
12544 30000
12544 30030
12544 60000
12544 60060
35672 234375
12544 82500
17836 234375
372
ADV7850
176.4 kHz
N CTS
28028 31250
25088 28000
25088 30000
25088 30030
25088 60000
25088 60060
71344 234375
25088 82500
35672 234375