PM6341 datasheet(32/272 Pages) PMC

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PM6341 E1XC

DATA SHEET

PMC-910419

ISSUE 8

E1 FRAMER/TRANSCEIVER

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

Pin No.

Pin Name

Type

PQFP

PLCC

Function

RLCV/

I/O

Receive Line Code Violation Indication

(RLCV). When the E1XC is

configured to receive single-rail data,

this input may be enabled to be

sampled on the rising or falling edge

of RCLKI.

SDN

Sliced Negative Line Pulse (SDN).

This pin becomes an output when the

receive analog line interface is

powered up. A positive pulse on the

SDN output corresponds to the

sampled negative pulse excursion on

the RAS input.

RCLKI

Input

Receive Line Clock Input (RCLKI).

This input is an externally recovered

2.048 MHz line clock that may be

enabled to sample the RDP and RDN

inputs on its rising or falling edge

when the input format is enabled for

dual-rail NRZ; or to sample the RDD

and RLCV inputs on its rising or falling

edge when the input format is enabled

for single-rail.

RAS

Input

Receive Analog Signal (RAS). This

analog input samples the AC signal

on an external isolation transformer. It

is connected to the positive lead of the

transformer secondary through a

passive attenuation network.

REF

I/O

Receive Reference (REF). This

analog bidirectional pin provides DC

bias to an external isolation

transformer. It is connected to the

negative lead of the transformer

secondary and to a decoupling

capacitor to RAVS.

PM6341 Datasheet(PDF) 32 Page - PMC-Sierra, Inc

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