Frames to and descrambles recovered stream. Detects signal degrade and signal failure threshold crossing alarms. Provides divide by 8 recovered clock. Provides 8 KHz receive frame pulses. Provides transmit clock as timing reference for transmit outputs.
Scrambles transmit data stream.
ATM processor Implements the ATM Forum User Network Interface Specification. Performs cell payload scrambling and descrambling. Provides synchronous 4 cell transmit and receive FIFO buffers. Packaging Implemented in low power 3.3 Volt CMOS technology. Applications Enterprise and Edge ATM switches.