參數(shù)資料
型號: LM4548AVH/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48
文件頁數(shù): 14/28頁
文件大?。?/td> 538K
代理商: LM4548AVH/NOPB
AC Link Serial Interface Protocol
(Continued)
SDATA_IN: Slot 4 – PCM Record Right Channel
This slot contains sampled data from the right channel of the
stereo ADC. The signal to be digitized is selected using the
Record Select register (1Ah) and subsequently routed
through the Record Select Mux and the Record Gain ampli-
fier to the ADC.
This is a 20-bit slot and the digitized 18-bit PCM data is
transmitted in an MSB justified format. The remaining 2
LSBs are stuffed with zeros.
SLOT 4, INPUT FRAME
Bits
Description
Comment
19:2
PCM Record
Right Channel
data
18-bit PCM sample from right
ADC
1:0
Reserved
Stuffed with "0"s by LM4548A
SDATA_IN: Slots 5 to 12 – Reserved
Slots 5 – 12 of the AC Link Input Frame are not used for data
by the LM4548A and are always stuffed with zeros.
LM4548A
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