參數(shù)資料
型號(hào)： ADAU1442YSVZ-3A
廠商： Analog Devices Inc
文件頁數(shù)： 75/93頁
文件大?。?/td> 0K
描述： IC SIGMADSP 28B 175MHZ 100TQFP
標(biāo)準(zhǔn)包裝： 1
系列： SigmaDSP®
類型： 音頻處理器
應(yīng)用： 車載音頻
安裝類型： 表面貼裝
封裝/外殼： 100-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 100-TQFP-EP（14x14）
包裝： 托盤
ADAU1442/ADAU1445/ADAU1446
Data Sheet
Rev. D | Page 76 of 92
FLEXIBLE TDM MODES
The ADAU1442/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.
This reserves all 24 input channels in the routing matrix for the
flexible TDM interface, making them unavailable to the other
serial input ports. 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
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
0
1
2
3
4
5
6
7
8
9
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
07696-
056
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
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
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
...
SDATA_IN0
SDATA_IN1
F
L
E
X
IBL
E
AUDI
O
RO
UT
ING
M
AT
RI
X
INP
UT
S
IDE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
07696-
057
Figure 56. Flexible TDM Interface Mode—Input Routing Example
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參數(shù)描述
ADAU1442YSVZ-3A-RL 功能描述:IC SIGMADSP 28B 175MHZ 100TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6
ADAU1445YSVZ-3A 功能描述:IC SIGMADSP 175MHZ 100TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6
ADAU1445YSVZ-3A-RL 功能描述:IC SIGMADSP 175MHZ 100TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6
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 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6
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