參數(shù)資料
型號(hào)： EVAL-ADAU1442EBZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 50/93頁(yè)
文件大?。?/td> 0K
描述： BOARD EVAL FOR ADAU1442
標(biāo)準(zhǔn)包裝： 1
系列： SigmaDSP®
主要目的： 音頻，音頻處理
嵌入式： 是，DSP
已用 IC / 零件： ADAU1442
主要屬性： 單芯片多通道 28/56 位音頻 DSP
次要屬性： I²C & SPI 接口
已供物品： 電路板，線纜，說(shuō)明文檔，GPIO 子板，電源
Data Sheet
ADAU1442/ADAU1445/ADAU1446
Rev. D | Page 53 of 92
ASRC Input Select Pairs[7:0] Registers
(Address 0xE080 to Address 0xE087)
The inputs to each of the eight ASRCs can come from any stereo
pair from either the serial input channels or the DSP core.
In the case of the ADAU1442, each input to the stereo ASRCs
can receive a separate data input.
In the case of the ADAU1445, each input to the stereo ASRCs
can receive a separate data input; however, all inputs to Stereo
ASRC[3:0] must be synchronous to each other, and all inputs to
Stereo ASRC[7:4] must be synchronous to each other. The first
group of ASRCs (Stereo ASRC[3:0]) takes its input rate from the
Stereo ASRC 0 input, and the second group of ASRCs (Stereo
ASRC[7:4]) takes its input rate from Stereo ASRC 4 input.
In the case of the ADAU1446, which contains no ASRCs, these
registers do not affect system operation in any way and can be
ignored.
Table 33. Bit Descriptions of ASRC Input Select Pairs[7:0] Registers
Bit Position
Description
Default
[15:6]
Reserved
[5:0]
ASRC input data selector
111111
000000 = Serial Input Pair 0 (Channel 0, Channel 1)
000001 = Serial Input Pair 1 (Channel 2, Channel 3)
000010 = Serial Input Pair 2 (Channel 4, Channel 5)
000011 = Serial Input Pair 3 (Channel 6, Channel 7)
000100 = Serial Input Pair 4 (Channel 8, Channel 9)
000101 = Serial Input Pair 5 (Channel 10, Channel 11)
000110 = Serial Input Pair 6 (Channel 12, Channel 13)
000111 = Serial Input Pair 7 (Channel 14, Channel 15)
001000 = Serial Input Pair 8 (Channel 16, Channel 17)
001001 = Serial Input Pair 9 (Channel 18, Channel 19)
001010 = Serial Input Pair 10 (Channel 20, Channel 21)
001011 = Serial Input Pair 11 (Channel 22, Channel 23)
010000 = DSP-to-ASRC Pair 0 (Channel 0, Channel 1)
010001 = DSP-to-ASRC Pair 1 (Channel 2, Channel 3)
010010 = DSP-to-ASRC Pair 2 (Channel 4, Channel 5)
010011 = DSP-to-ASRC Pair 3 (Channel 6, Channel 7)
010100 = DSP-to-ASRC Pair 4 (Channel 8, Channel 9)
010101 = DSP-to-ASRC Pair 5 (Channel 10, Channel 11)
010110 = DSP-to-ASRC Pair 6 (Channel 12, Channel 13)
010111 = DSP-to-ASRC Pair 7 (Channel 14, Channel 15)
100000 = S/PDIF Receiver Pair 0 (Channel 0, Channel 1)
111111 = no data
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