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USB
to Audio PCM Processor for VoIM / VoIP |
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Block Diagram
Main Features
 USB
to Audio PCM Processor for VOIP
USB
Spec. V1.1 compatible with full speed 12Mbps
Support USB
Audio Device Class V1.0 with PCM serial bus interface
Support GPIO
pins for telephony system control
Support volume
& dual way audio recording control through wave in control panel
interface
EEPROM
interface for PID, VID, serial #, manufacture & string descriptors
Support
alternative serial SMBus for indirect configuration control through
microcontroller
Compatible with
Microsoft USB audio device driver & support USB HID Class command for device
driver control
Provide two PCM
channels for either FXO or FXS
Support PCM16 & 8-bit
A/U law
Single 12MHz input
with on-chip PLL
Support suspend
and remote wake up (not supported by 48 LQFP)
Support customer
(CID) to protect customer software IP
3.3V power supply
with 5V tolerance I/O
100PQFP, 64QFN and 48
LQFP available
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