參數(shù)資料
型號(hào): GS1582-IBE3
廠商: Gennum Corporation
英文描述: IC,MOT,MC145026P, DIP-16, ENCODER 9 LINE SIMPLEX
中文描述: 多速率的電纜驅(qū)動(dòng)器,音頻多路復(fù)用器和ClockCleaner⑩串行
文件頁數(shù): 53/114頁
文件大?。?/td> 1224K
代理商: GS1582-IBE3
GS1582 Data Sheet
40117 - 1 November 2007
53 of 114
The audio input format for each audio group is configured using the AMA[1:0]
(group 1 channels 1 and 2/Stereo Pair A), AMB[1:0] (group 1 channels 3 and
4/Stereo Pair B), AMC[1:0] (group 2 channels 5 and 6/Stereo Pair C), and
AMD[1:0] (group 2 channels 7 and 8/Stereo Pair D) host interface registers. The
default audio mode is I
2
S input. For serial input formats, MSB first is default, and
LSB first is available via the LSB_FIRSTx bit in the host interface.
I
2
S
Left Justified; MSB first
Left Justified; LSB first
Right Justified; MSB first
Right Justified; LSB first
NOTE: Since the audio clocks are common to all channels within one group, all
channels in each group of four must be the same format. However there is no
restriction on the format of different channels in one group when audio is in
AES/EBU format. Also, the audio format of each group may be different.
4.7.17.1 AES/EBU Mode
In AES/EBU input mode, the audio sample bit rate of 64fs (3.072MHz) is effectively
doubled by the bi-phase mark encoding, resulting in an effective input data rate at
128fs (6.144MHz). The AES/EBU sub-frame formatting is shown in
Figure 4-19
below.
Table 4-15: Audio Input Formats
AMx[1:0]
LSB_FIRSTx
Audio Output Format
00
0
AES/EBU audio input
01
0
Serial audio input: Left justified; MSB first
01
1
Serial audio input: Left justified; LSB first
10
0
Serial audio input: Right justified; MSB first
10
1
Serial audio input: Right justified; LSB first
11
0
I
2
S serial audio input (Default)
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