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| CM6206-LX Datasheet, PDF (1/33 Pages) C&K Components – High Integrated USB Audio I/O Controller | |||
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CM6206LX
High Integrated USB Audio I/O Controller
DESCRIPTION
CM6206LX is a highly integrated single chip USB
audio solution. All essential analog modules are
embedded in CM6206LX, including 6CH DAC and
earphone buffer, 2CH ADC, microphone gain, PLL,
regulator, and USB transceiver. It is very suitable
for high end USB external audio box, USB multi-
channel headphone or USB audio interface multi-
channel speaker set application.
Many features are programmable with external
EEPROM and MCU interface. In addition,
MCU/EEPROM/GPIO control can easily via HID
software interface. Better yet, CM6206LX support
stereo MIC, phone jack sense, S/PDIF I/O 48 KHz
sampling rate. Moreover, unique patent driver can
support worldâs first SPEAKER SHIFTER, Karaoke
and Dolby AC-3 real-time encoder functions.
BLOCK DIAGRAM
FEATURES
ï® USB spec. 2.0 full speed compliant
ï® USB audio device class spec. 1.0 and USB HID
class spec. 1.1 compliant
ï® IEC60958 spec. compliant (consumer format
S/PDIF input and output with loop-back support)
ï® SCMS (Serial Copy Management System)
compliant
ï® Dolby® digital audio streaming via S/PDIF
output interface
ï® USB remote wake-up support
ï® 6 channel DAC output with 16 bit resolution
ï® 3.1 Vpp (1.1 Vrms) biased at 2.25V output swing
ï® Volume control and mute function
ï® Earphone buffer
ï® Self power / Bus power selectable (by EEPROM)
ï® 2X interpolator for digital playback data to
improve quality
ï® 2 channel ADC input with 16 bit resolution
HID/GPI
Interrupt
EndPoint
INT
Pipe
USBDP
USBDM
ISO
Pipe
USB
Tx/Rx
Engine
ISO OUT
EndPoint
ISO IN
ISO
EndPoint
Pipe
12Mhz
PLL1/
PLL2/
PLL3
Control
Pipe
Control
EndPoint
24.576Mhz
for DA/AD
48Mhz for USB
22.58Mhz
for SPDIFO
IT (USB)
DAC1
DAC2
DAC3
OT (USB)
ADC
4
2
SEL 1
3
Interface 0
(Audio Control
Class)
1
3
2 MIXER1
MIXER2 2
1
FEA8
VOL 33~-6dB M
FEA6
VOL 33~-6dB M
FEA5
VOL 33~-6dB M
FEA7
M
FEA1
VOL1 0~-34.5dB
M VOL2 0~-34.5dB
VOL3 0~-34.5dB
FEA3
VOL 33~-36dB M
OT(Speaker)
Front
S_Sur
C/Lfe
SPDIFO
IT(Linein)
LNIN
FEA2
VOL 33~-36dB M
IT(MICin)
MIC
IT(S/PDIFin)
SPDIN
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
Rev. 1.9 ︱ Page 1/37
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