参数资料
型号: LM4546AVH/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封装: 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48
文件页数: 13/27页
文件大小: 897K
代理商: LM4546AVH/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 audio sample from
right ADC
1:0
Reserved
Stuffed with "0"s by LM4546A
SDATA_IN: Slots 5 to 12 – Reserved
Slots 5 – 12 of the AC Link Input Frame are not used for data
by the LM4546A and are always stuffed with zeros.
LM4546A
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