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參數資料
| 型號： | ADSP-21365SBBC-ENG |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數字信號處理 |
| 英文描述： | SHARC Processor |
| 中文描述： | 16-BIT, 55.55 MHz, OTHER DSP, PBGA136 |
| 封裝： | MO-205AE, MBGA-136 |
| 文件頁數： | 36/54頁 |
| 文件大小： | 559K |
| 代理商： | ADSP-21365SBBC-ENG |
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Rev. PrA
|
Page 36 of 54
|
September 2004
ADSP-21365/6
Preliminary Technical Data
SPDIF Transmitter
Serial data input to the SPDIF transmitter can be formatted as
left justified, I
2
S or right justified with word widths of 16, 18, 20,
or 24 bits. The following sections provide timing for the
transmitter.
SPDIF Transmitter—Serial Input Waveforms
Figure 27
shows the right-justified mode. LRCLK is HI for the
left channel and LO for the right channel. Data is valid on the
rising edge of SCLK. The MSB is delayed 12-bit clock periods
(in 20-bit output mode) or 16-bit clock periods (in 16-bit output
mode) from an LRCLK transition, so that when there are 64
SCLK periods per LRCLK period, the LSB of the data will be
right-justified to the next LRCLK transition.
Figure 28
shows the default I2S-justified mode. LRCLK is LO
for the left channel and HI for the right channel. Data is valid on
the rising edge of SCLK. The MSB is left-justified to an LRCLK
transition but with a single SCLK period delay.
Figure 29
shows the left-justified mode. LRCLK is HI for the left
channel and LO for the right channel. Data is valid on the rising
edge of SCLK. The MSB is left-justified to an LRCLK transition
with no MSB delay.
Figure 27. Right-Justified Mode
LRCLK
SCLK
SDATA
LEFT CHANNEL
RIGHT CHANNEL
MSB-1
MSB-2
LSB+2 LSB+1
LSB
MSB
MSB-1
MSB-2
LSB+2
LSB+1
LSB
LSB
MSB
Figure 28. I
2
S-Justified Mode
MSB-1
MSB-2
LSB+2 LSB+1
LSB
LRCLK
SCLK
SDATA
LEFTCHANNEL
RIGHTCHANNEL
MSB
MSB-1
MSB-2
LSB+2
LSB+1
LSB
MSB
MSB
Figure 29. Left-Justified Mode
LRCLK
SCLK
SDATA
LEFT CHANNEL
RIGHT CHANNEL
MSB-1
MSB-2
LSB+2
LSB+1
LSB
MSB
MSB-1
MSB-2
LSB+2
LSB+1
LSB
MSB
MSB+1
MSB
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| ADSP-21365SBBCZENG | SHARC Processor |
| ADSP-21365SBSQ-ENG | SHARC Processor |
| ADSP-21365SKBCZENG | SHARC Processor |
| ADSP-21365SKSQZENG | SHARC Processor |
| ADSP-21366SKBCZENG | SHARC Processor |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADSP-21365SBBCZENG | 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Processor |
| ADSP-21365SBSQ-ENG | 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Processor |
| ADSP-21365SBSQZENG | 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Processor |
| ADSP-21365SCSQ-ENG | 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Processor |
| ADSP-21365SCSQZENG | 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Processor |
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