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

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