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CXD2720Q-2 Datasheet(PDF) 26 Page - Sony Corporation

Part No. CXD2720Q-2
Description  Single-Chip Dolby Pro Logic Surround Decoder
Download  47 Pages
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Manufacturer  SONY [Sony Corporation]
Direct Link  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXD2720Q-2 Datasheet(HTML) 26 Page - Sony Corporation

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CXD2720Q-2
8. Coefficient RAM Setting
When the coefficient RAM is selected in microcomputer interface transmission mode, the coefficient
parameters such as each section's volumes and microphone echo delay amount can be set. Data settings
other than those given following in Tables 8-1 and 8-2 are “don't care”.
(1) Fixed Values for System Initialization
When the system is initialized, the coefficient RAM must be set at the fixed values, shown below, for internal
operation.
Address
01H
02H
03H
19H
1AH
1BH
1CH
20H
21H
23H
24H
25H
26H
27H
28H
2DH
31H
32H
33H
34H
35H
68A9H
5121H
6A30H
5460H
0000H
0000H
0000H
4000H
4000H
0010H
4000H
4000H
1600H
2A00H
3FF8H
8000H
0000H
0008H
4000H
1600H
2A00H
3FF8H
8000H
623EH
447CH
36H
3BH
43H
46H
48H
50H
72H
73H
74H
75H
76H
77H
78H
79H
7AH
7BH
7CH
7DH
7EH
7FH
0000H
0008H
0000H
0000H
0001H
0008H
0092H
0209H
02CDH
0109H
FDA0H
FD19H
0189H
058AH
016DH
F7BEH
F72AH
0A4EH
2706H
34EEH
Fixed value
fs = 44.1kHz
fs = 48kHz
fs = 32kHz
Table 8-1.
Address
Fixed value
fs = 44.1kHz
fs = 48kHz
fs = 32kHz


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