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FUP1 datasheet PDF
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 for 48 LQFP
package)
Support customer (CID) to protect customer software IP
3.3V power supply with 5V tolerance I/O
64 QFN and 48 LQFP available
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