參數(shù)資料
型號(hào)： CM108
廠商： C-Media Electronics Inc.
英文描述： USB Audio I/O Controller
中文描述： USB音頻I / O控制器
文件頁(yè)數(shù)： 3/29頁(yè)
文件大小： 514K
代理商： CM108
CM108
Integration Dual DAC, Earphone Driver, ADC,
Microphone Booster, PLL, Regulator, and USB Transceiver
Date: Nov/01/2004
Version: 1.5
- 10 -
4. IS INTERFACE
CM108 provide I
P
2
P
S interface for both playback and recording. External ADC, DAC, or DSP
can be added to provide additional function in the USB audio system. CM108 sends out the
master clock (fixed at x256), LRCK (fixed at x64), and data clock. Therefore external ADC,
DAC, or DSP should be set at slave mode for I
P
2
P
S interface. Left channel of I
P
2
P
S bus is used for
CM108 mono recording. Both I
P
2
P
S buses use 5V tolerant pad so they can be easily interfacing
with 5V or 3.3V devices. Playback data is simultaneously sent to both DAC and I
P
2
P
S bus.
Recording source (from ADC or from I
P
2
P
S bus) can be selected by ADSEL jumper pin.
LRCK
SCLK
MSB
-1
-2
+2
+1
LSB
MSB
-1
-2
+2
+1
LSB
SDATA
Left Channel
Right Channel
相關(guān)PDF資料
PDF描述
CM109 USB I/O Controller
CM1408-08DE 8 FUNCTIONS, 2.5 V, DATA LINE FILTER
CM1482-02DE 2 FUNCTIONS, DATA LINE FILTER
CM1608F100KE 1 ELEMENT, 10 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
CM1608F100MT 1 ELEMENT, 10 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
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