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| 型号： | ADAU1445YSVZ-3A-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 72/92页 |
| 文件大小： | 0K |
| 描述： | IC SIGMADSP 175MHZ 100TQFP |
| 标准包装： | 1,000 |
| 系列： | SigmaDSP® |
| 类型： | 音频处理器 |
| 应用： | 车载音频 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-TQFP 裸露焊盘 |
| 供应商设备封装： | 100-TQFP-EP（14x14） |
| 包装： | 带卷 (TR) |
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ADAU1445/ADAU1446
Rev. A | Page 74 of 92
FLEXIBLE TDM MODES
The ADAU1445/ADAU1446 are able to operate in a flexible
TDM mode, which allows them to interface to a wide variety of
digital audio devices.
SERIAL INPUT FLEXIBLE TDM INTERFACE MODES
AND SETTINGS
The flexible TDM mode is available for the SDATA_IN0 and
SDATA_IN1 serial input ports. By using this mode, it is possible
to override the default settings of the serial port and flexibly
route the contents of an arbitrary TDM input stream to the
input channels.
For this mode to be active, the word length bits of the corre-
sponding serial ports must be set to 11 (TDM8 or flexible TDM).
In flexible TDM mode, each flexible TDM stream includes 32 bytes
(called slots) of information for every frame on the frame clock.
Combining the two serial input ports, this allows for a total of
64 bytes in the flexible stream.
It is important to note that, unlike in the FARM, where signals
must be routed as stereo pairs, the data on the flexible TDM
stream can be assigned to input channels individually. Each of
the 24 input channels is capable of taking data from any slot (or
combination of slots) in the flexible TDM stream, as long as data
retrieval starts with Input Channel 0 and increases sequentially.
Because the audio data can be input in 8-, 16-, or 24-bit format,
a single channel may occupy more than one slot. An 8-bit channel
occupies one slot, a 16-bit channel occupies two slots, and a 24-bit
channel occupies three slots. To route flexible TDM data to the
input channels, the starting slot number (most significant byte)
and the bit depth (number of bytes, or slots, in the stream) must
be set in the corresponding input channel register (Flexible TDM
to Input Channel[23:0] registers). An example of the input flexible
TDM interface mode is shown in Figure 56.
In this example, Input Channel 0 comes from Slot 4, Slot 5, and
Slot 6 on the flexible TDM stream (a 24-bit audio channel). Input
Channel 1 comes from Slot 12 (an 8-bit audio channel). Input
Channel 2 comes from Slot 21 and Slot 22 on the input stream
(a 16-bit audio channel). Input Channel 3 comes from Slot 39,
Slot 40, and Slot 41 (a 24-bit audio channel). For the audio inputs
with a bit depth of less than 24 bits, the LSBs are filled with 0s.
Note that the assignment of slots to input channels must be in
order, with the lowest slot number starting at Input Channel 0
and increasing sequentially. This is done to ensure compatibility
with the automatic input channel assignment (see the Automatic
Input Channel Assignment section).
The default setting of all nine bits high (0x01FF) indicates that the
input channel is configured in the standard serial input interface
mode and does not use the flexible TDM interface mode.
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
0123456789
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
31
0
32
63
...
FRAME
SDATA_IN0
LRCLKx
SDATA_IN1
07
69
6-
05
6
Figure 55. Flexible TDM Interface Mode—Input Streams
0
32
...
31
63
INPUT
CHANNELS
(24 CH)
0, 1
2, 3
4, 5
6, 7
8, 9
10, 11
12, 13
14, 15
16, 17
18, 19
20, 21
22, 23
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456
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...
SDATA_IN0
SDATA_IN1
F
L
E
X
IBL
E
AU
DI
O
RO
UT
ING
M
AT
RI
X
IN
PU
T
SI
DE
0
1
2
3
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07
69
6-
05
7
Figure 56. Flexible TDM Interface Mode—Input Routing Example
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADAU1446EBZ | 制造商:Analog Devices 功能描述:SIGMADSP? DIGITAL AUDIO PROCESSOR WITH FLEXIBLE AUDIO - Bulk |
| ADAU1446YSTZ-3A | 功能描述:IC SIGMADSP 175MHZ 100LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 音频处理 系列:SigmaDSP® 其它有关文件:STA321 View All Specifications 标准包装:1 系列:Sound Terminal™ 类型:音频处理器 应用:数字音频 安装类型:表面贴装 封装/外壳:64-LQFP 裸露焊盘 供应商设备封装:64-LQFP EP（10x10） 包装:Digi-Reel® 其它名称:497-11050-6 |
| ADAU1446YSTZ-3A-RL | 功能描述:IC SIGMADSP 175MHZ 100LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 音频处理 系列:SigmaDSP® 其它有关文件:STA321 View All Specifications 标准包装:1 系列:Sound Terminal™ 类型:音频处理器 应用:数字音频 安装类型:表面贴装 封装/外壳:64-LQFP 裸露焊盘 供应商设备封装:64-LQFP EP（10x10） 包装:Digi-Reel® 其它名称:497-11050-6 |
| ADAU1450WBCPZ | 功能描述:IC AUDIO PROCESSOR 72LFCSP 制造商:analog devices inc. 系列:SigmaDSP? 包装:托盘 零件状态:有效 类型:Sigma 接口:I2C，SPI 时钟速率:147.456MHz 非易失性存储器:- 片载 RAM:64KB 电压 - I/O:3.3V 电压 - 内核:1.20V 工作温度:-40°C ~ 105°C（TA） 安装类型:表面贴装 封装/外壳:72-VFQFN 裸露焊盘，CSP 供应商器件封装:72-LFCSP-VQ（10x10） 标准包装:1 |
| ADAU1450WBCPZ-RL | 功能描述:IC AUDIO PROCESSOR 72LFCSP 制造商:analog devices inc. 系列:SigmaDSP? 包装:剪切带（CT） 零件状态:在售 类型:Sigma 接口:I2C，SPI 时钟速率:147.456MHz 非易失性存储器:- 片载 RAM:64KB 电压 - I/O:3.30V 电压 - 内核:1.20V 工作温度:-40°C ~ 105°C（TA） 安装类型:表面贴装 封装/外壳:72-VFQFN 裸露焊盘，CSP 供应商器件封装:72-LFCSP-VQ（10x10） 标准包装:1 |
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