參數(shù)資料
型號(hào)： CXD2719Q
廠商： Sony Corporation
英文描述： Single-Chip Dolby Pro Logic Surround Decoder(單片杜比環(huán)繞邏輯譯碼器)
中文描述： 單片杜比定向邏輯環(huán)繞聲解碼器（單片杜比環(huán)繞邏輯譯碼器）
文件頁(yè)數(shù)： 14/58頁(yè)
文件大?。?/td> 450K
代理商： CXD2719Q
– 14 –
CXD2719Q
3. Reset Circuit
[Relevant pins] XRST, XTLI, XTLO
This LSI must be reset after the power is turned on.
Reset is done by setting the XRST pin Low for 1/fs or more after the supply voltage satisfies the recommended
operating condition, and the crystal oscillator clock of the XTLI and XTLO pins or the external clock input from
the XTLI pin is correctly applied. (See "AC Characteristics".)
4. Serial Audio Interface (SIF)
[Relevant pins] SI, BCK, LRCK, XS24, XMST
Serial data is used for the external communication of the digital audio data. The CXD2719Q has only one input
system, and 2 channels of data are input each sampling cycle. Either the 32-bit clock mode or the 24-bit clock
mode can be selected. In master mode, the mode is fixed to the 32-bit clock mode.
(1) Pin Configuration
(The pins shown in the table below are assigned to the SIF.)
Serial input; taken with synchronized to BCK.
BCK I/O; either 32-bit clock mode (64fs) or 24-bit clock mode (48fs). BCK output supports
32-bit clock mode only.
LRCK I/O (1fs).
SIO slot number (24/32) selection input. Low: 24-bit slot; High: 32-bit slot.
Valid only in slave mode. Set High in master mode.
Do not switch between High and Low during DSP operation.
BCK, LRCK master mode/slave mode switching input.
Low: master mode; High: slave mode.
Symbol
SI
BCK
LRCK
XS24
XMST
I/O
Function
I
I/O
I/O
I
I
"0": normal,
"1": IIS
"0": Lch "H",
"1": Lch "L"
"0": edge
↓
,
"1" : edge
↑
Setup register
SQC15
SQC14
SQC13
Function
Contents
LRCK format
LRCK polarity selection
BCK polarity selection relative to LRCK edge
Valid only in slave mode. Fix to "0" in master
mode.
Table 4-1. Pin Configuration
Table 4-2. LRCK/BCK Mode Setting
(2) Operation Modes
The LRCK/BCK mode can be selected by the setup register settings as follows. (See "6. Setup Register".)
LRCK/BCK Mode Setting
相關(guān)PDF資料
PDF描述
CXD2720Q Single-Chip Digital Signal Processor for Karaoke(卡拉OK單片數(shù)字信號(hào)處理器)
CXD2721Q-1 Single-Chip Digital Signal Processor for Karaoke
CXD2724AQ-3 Single-Chip Dolby Pro Logic Surround Decoder(單片杜比環(huán)繞邏輯譯碼器)
CXD2728Q Single-Chip Dolby Pro Logic Surround Decoder(單片杜比環(huán)繞Pro邏輯解碼器)
CXD2930BR GPS LSI With Built-In 32-Bit RISC CPU(全球定位系統(tǒng)（GPS）大規(guī)模集成電路(LSI)(內(nèi)置32位RISC中央處理器))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CXD2720Q 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Digital Signal Processor for Karaoke
CXD2720Q-2 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder
CXD2721Q-1 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Digital Signal Processor for Karaoke
CXD2724AQ-1 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder
CXD2724AQ-3 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Single-Chip Dolby Pro Logic Surround Decoder
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