
DATASHEET
PM5349 
| ISSUE 6 | SATURN USER NETWORK INTERFACE  | 
∙Provides a differential TTL serial interface (can be adapted to PECL levels) at 155.52 Mbit/s.
∙Provides a single transmit frame pulse input across the four channels to align the transport frames to a system reference.
∙Provides a single transmit byte clock (divide by eight of the synthesized line rate clock) to provide a timing reference for the transmit outputs.
∙Optionally inserts register programmable APS (K1, K2) and synchronization status (S1) bytes.
∙Optionally inserts path alarm indication signal (PAIS), path remote defect indication (PRDI), line alarm indication signal (LAIS) and line remote defect indication (LRDI).
∙Inserts path 
∙Scrambles the transmitted 
∙Inserts ATM cells into the transmitted 
1.5The Transmit ATM Processor
∙Provides idle/unassigned cell insertion.
∙Provides HCS generation/insertion, and ATM cell payload scrambling.
∙Counts number of transmitted and idle cells.
∙Provides a synchronous 
| Proprietary and Confidential to  | 3 | 
