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參數(shù)資料
| 型號： | EVAL-ADAU1401EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 37/52頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR ADAU1401 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | SigmaDSP® |
| 主要目的： | 音頻編解碼器 |
| 嵌入式： | 是，DSP |
| 已用 IC / 零件： | ADAU1401 |
| 主要屬性： | 在 50-MIPS 時的 28/56 位音頻處理器，2 ADC，4 DAC |
| 次要屬性： | 均衡，交叉，低音增強(qiáng)，多頻帶動態(tài)處理，延遲等 |
| 已供物品： | 2 個板，線纜，電源 |
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ADAU1401
Data Sheet
Rev. C | Page 42 of 52
2079 (0x081F)—SERIAL INPUT CONTROL REGISTER
Table 50. Serial Input Control Register Bit Map
D7
D6
D5
D4
D3
D2
D1
D0
Default
0
ILP
IBP
M2
M1
M0
0x00
Table 51.
Bit Name
Description
ILP
INPUT_LRCLK Polarity. When this bit is set to 0, the left-channel data on the SDATA_INx pins is clocked when
INPUT_LRCLK is low and the right-channel data is clocked when INPUT_LRCLK is high. When this bit is set to 1,
the clocking of these channels is reversed. In TDM mode when this bit is set to 0, data is clocked in, starting with
the next appropriate BCLK edge (set in Bit 3 of this register) after a falling edge on the INPUT_LRCLK pin. When
this bit is set to 1 and the device is running in TDM mode, the input data is valid on the BCLK edge after a rising
edge on the word clock (INPUT_LRCLK). INPUT_LRCLK can also operate with a pulse input, rather than a clock.
In this case, the first edge of the pulse is used by the ADAU1401 to start the data frame. When this polarity bit is
set to 0, a low pulse should be used; when the bit it set to 1, a high pulse should be used.
IBP
INPUT_BCLK Polarity. This bit controls on which edge of the bit clock the input data changes and on which edge
it is clocked. Data changes on the falling edge of INPUT_BCLK when this bit is set to 0 and on the rising edge when
this bit is set at 1.
Serial Input Mode. These two bits control the data format that the input port expects to receive. Bit 3 and Bit 4
of this control register override the settings of Bits[2:0]; therefore, all four bits must be changed together for
proper operation in some modes. The clock diagrams for these modes are shown in Figure 32, Figure 33, and
Figure 34. Note that for left-justified and right-justified modes, the LRCLK polarity is high and then low, which is
the opposite of the default setting for ILP.
When these bits are set to accept a TDM input, the ADAU1401 data starts after the edge defined by ILP. The
ADAU1401 TDM data stream should be input on Pin SDATA_IN0. Figure 35 shows a TDM stream with a high-to-
low triggered LRCLK and data changing on the falling edge of the BCLK. The ADAU1401 expects the MSB of
each data slot to be delayed by one BCLK from the beginning of the slot, as it would in stereo I2S format. In TDM
mode, Channel 0 to Channel 3 are in the first half of the frame, and Channel 4 to Channel 7 are in the second
half. Figure 36 shows an example of a TDM stream running with a pulse word clock, which is used to interface to
ADI codecs in auxiliary mode. To work in this mode with either the input or output serial ports, set the
ADAU1401 to begin the frame on the rising edge of LRCLK, to change data on the falling edge of BCLK, and to
delay the MSB position from the start of the word clock by one BCLK.
M[2:0]
Setting
000
I2S
001
Left-justified
010
TDM
011
Right-justified, 24 bits
100
Right-justified, 20 bits
101
Right-justified, 18 bits
110
Right- justified, 16 bits
M[2:0]
111
Reserved
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| EVAL-ADAU1401-EBZ | 制造商:Analog Devices 功能描述:EVALUATION KIT ((NS)) |
| EVAL-ADAU1442EBZ | 功能描述:BOARD EVAL FOR ADAU1442 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:SigmaDSP® 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| EVAL-ADAU1446EBZ | 功能描述:BOARD EVAL FOR ADAU1446 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:SigmaDSP® 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| EVAL-ADAU1590EBZ | 制造商:Analog Devices 功能描述:EVAL BOARD - Bulk |
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