参数资料
型号: CS7410
厂商: Cirrus Logic, Inc.
英文描述: CD/MP3/WMA Audio Controller
中文描述: CD/MP3/WMA音频控制器
文件页数: 33/39页
文件大小: 366K
代理商: CS7410
CS7410
DS553PP1
33
4.6
Digital Audio Output Interface
The Digital Audio Output Interface pins are described in
Table 13
. This is the audio PCM interface that con-
nects to an audio PCM DAC. The sample rate and the size of the samples are programmable to accommo-
date any commercially available DAC. The CS7410 has two data output pins, for up to 4 channels of PCM
output, and a separate output pin to simultaneously output IEC-958 encoded data (either compressed or
uncompressed).
4.7
Σ
Modulator Interface
The
Σ
Interface pins are described in
Table 14
. The CS7410 contains a stereo Delta-Sigma (
Σ
) modula-
tor, which outputs two differential digital signals on four pins. These outputs are design to drive an external
op-amp based integrator circuit (contact Cirrus Logic Applications Engineering for details)
.
Pin
Signal Name
Type
Description
78
PCM_XCK
B
Audio 256x/384x/512x Clock input or output to Serial DAC.
When output, it’s generated from CS7410 internal PLL.
77
SERVOCK
I
Optional source of Audio 256x/384x/512x Audio Clock. May
be used for CD direct audio to match input and output
clocks.
79
PCM_MUTE
O
Audio Mute control to external DAC. Polarity is programma-
ble and is three-stated at power up.
92
PCM_BCK
O
Audio Bit Clock output to serial DAC. Polarity is programma-
ble.
93
PCM_LRCK
O
Audio Out Left/Right Clock to serial DAC.
94
PCM_DO_0
O
Audio Serial PCM Data Out[0].
95
PCM_DO_1
O
Audio Serial PCM Data Out[1].
96
IEC958_O
O
IEC-958 Output
Table 13. Audio Output Interface
Pin
Signal Name
Type
Description
84
DAC_LP
O
Σ
left channel, positive output
85
DAC_LN
O
Σ
left channel, negative output
87
DAC_RP
O
Σ
right channel, positive output
89
DAC_RN
O
Σ
right channel, positive output
Table 14.
Σ
Output Interface
相关PDF资料
PDF描述
CS7410-CM CD/MP3/WMA Audio Controller
CS7410-CQ CD/MP3/WMA Audio Controller
CS7615 CCD IMAGER ANALOG PROCESSOR
CS7615-KQ CCD IMAGER ANALOG PROCESSOR
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