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- Provides two independent SATURN(R)-Compatible ATM PHY channels in one chip.
- Provides hardware and software backwards compatibility with the industry-standard
PM5346 S/UNI-155-LITE chip.
- Implements the ATM transmission convergence (TC) sub layer according to ATM
Forum specifications using the SONET/SDH 155.52 Mbit/s STS-3c/STM-1 and SONET
51.84 Mbit/s STS-1 formats.
- NRZ data format supports category-5 unshielded
twisted pair (UTP-5) or shielded twisted pair (STP) wiring and optical data
link modules for fiber optic cable.
- Includes on-chip
clock recovery and clock synthesis, compliant to Bellcore and ITU-T
- Operates in timing master or timing slave (loop timed LAN) modes.
- Frames to SONET framing bytes (A1, A2), processes the section and line Bit
Interleaved Parity (B1, B2) and the Far-End Block Error (Z2) bytes.
- Interprets the H1, H2 and H3 payload pointer bytes.
- Processes the SONET path overhead BIP-8 (B3), signal label (C2) and path status (G1) bytes.
- Allows for protection switching by monitoring the APS (K1, K2) bytes, bit error rate thresholds and far-end synchronization status (S1) bits and providing interrupts when error conditions are detected.*
- Inserts and extracts ATM payloads using ATM cell delineation.
- Provides on-chip four-cell FIFO buffers in both transmit and receive paths.
- Operates with a backwards compatible dual 8-bit plus parity or a multi-PHY compatible 16-bit plus parity* SATURN-Compliant Interface for Physical layer devices (SCI-PHY). Cell interface is also compatible with ATM Forum Level-2 Utopia direct-mode specifications.
- Provides a generic 8-bit microprocessor bus interface for configuration, control and monitoring.
- Provides TTL/CMOS compatible inputs and outputs and differential PECL inputs.
- Low power, +5 Volt CMOS technology.
Technology: ||0.35µ CMOS|
Package: ||PQFP 160 Pin|
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