參數(shù)資料
型號： DSD1608PAH
英文描述： 8-CHANNEL, ENHANCED MULTIFORMAT, DELTA-SIGMA, DIGITAL-TO-ANALOG CONVERTER
中文描述： 8通道，增強多格式，Δ-Σ，數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 33/41頁
文件大?。?/td> 293K
代理商： DSD1608PAH
DSD1608
SLES040
–
JUNE 2002
www.ti.com
33
TDMCA Frame
In general, the TDMCA frame consists of a command field, an extended command (EMD) field, and an audio data
field. All fields are 32 bits in length, but the LS byte has no meaning. The MSB is transferred first for each field. The
command field is always transferred as the first packet of the frame. The EMD field is transferred if the EMD flag of
the command field is high. If any EMD packets are transferred, no audio data follow after those EMD packets. This
frame is for quick initialization. All devices of the daisy chain should respond to the command field and extended
command field. The DSD1608 has eight audio channels that can be selected in register 41. If the corresponding flags
are preset low, those audio channels are transferred. Figure 37 shows a general TDMCA frame. If some DACs are
enabled although the corresponding audio data packets are not transferred, the analog outputs of those DACs are
unpredictable.
PLRCK
PBCK
PDI
CMD
EMD
EMD
EMD
CMD
Don
’
t
Care
EMD
EMD
PDO
Ch1
Ch(m)
Ch2
CMD
CMD
Ch2
Ch3
Ch(n)
CMD
Ch1
Ch4
PDI
Ch3
Ch4
[For Initialization]
[For Operation]
32 Bits
PDO
CMD
CMD
CMD
CMD
CMD
CMD
1/fS
’
t
Don
Figure 37. General TDMCA Frame
PLRCK
PBCK
PDI
CMD
Don
’
t
Care
Ch1
CMD
CMD
Ch4
Ch5
Ch3
Ch6
IN and OUT Channel Orders are Completely Independent
PDO
7 Packets x 32 Bits
Ch7
Ch8
1/fS (256 PBCK Clocks)
Ch2
Figure 38. TDMCA Frame Example of 6-Ch DAC and 2-Ch ADC With Command Read
相關(guān)PDF資料
PDF描述
DSD1608PAHR 8-CHANNEL, ENHANCED MULTIFORMAT, DELTA-SIGMA, DIGITAL-TO-ANALOG CONVERTER
DSD1700 Direct Stream Digital⑩ DSD⑩ TM Audio DIGITAL-TO-ANALOG CONVERTER
DSD1700E DIODE - SCHOTTKY, 3A (SMT)
DSD1792 24 bit 192 khz SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
DSD1792DB 24 bit 192 khz SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
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