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CXD2724AQ-1 Datasheet(PDF) 22 Page - Sony Corporation

Part No. CXD2724AQ-1
Description  Single-Chip Dolby Pro Logic Surround Decoder
Download  65 Pages
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Manufacturer  SONY [Sony Corporation]
Direct Link  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXD2724AQ-1 Datasheet(HTML) 22 Page - Sony Corporation

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CXD2724AQ-1
6. Setup Register
When the setup register is selected in microcomputer interface transfer mode, the following settings are
possible for hardware such as the serial audio interface and DAC, and for software such as the Dolby Pro
Logic Surround decoder.
The setup register has a total of four fields, and 16 bits of setup information can be stored per field. However,
when this LSI is reset, the setup register contents are also reset to the settings shown in the "When reset"
column in Tables 6-1 to 6-4 below.
(1) Field A
SQA15
SQA14
SQA13
SQA12
SQA11,
SQA10
SQA09,
SQA08
SQA07,
SQA06
SQA05,
SQA04
SQA03 to
SQA00
DSP bypass mode
0: OFF
1: ON
Noise sequencer
0: OFF
1: ON
Virtualizer
0: OFF
1: ON
Compensation filter
0: OFF
1: ON
Decimation ratio setting SQA11 SQA10
(SFC mode only)
0
0
: 1/1 (No decimation)
Be sure to also set
0
1
: 1/2 decimation
SQC07 and SQC06.
1
0
: 1/3 decimation
Dolby 3 Stereo
SQA09 SQA08
0
0
: OFF
0
1
: ON
Reserve bit
Be sure to set both bits Low when changing the
setup register Field A settings.
SFC mode
SQA05 SQA04
0
0
: OFF
0
1
: ON
Reserve bit
Be sure to set both bits Low when changing the
setup register Field A settings.
OFF
OFF
OFF
OFF
1/1
(No decimation)
OFF
all "L"
OFF
all "L"
Table 6-1. Setup Register Field A
∗ Bit names are indicated by the field name and the bit number. The bit names for Field A are SQA00 to
SQA15, and the first three letters of the bit names for Fields B, C and D are SQB, SQC and SQD,
respectively.
Data
section bit
Control contents
When reset


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