PM5366-PI datasheet(55/267 Pages) PMC

55 / 267 page

PRELIMINARY

PM5366 TEMAP-84

DATASHEET

PMC-2010672

ISSUE 1

HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER

AND M13 MULTIPLEXER

PROPRIETARY AND CONFIDENTIAL

Pin Name

Type

No.

Function

LDV5

Input

W6 Line Drop Bus V5 Byte (LDV5). The incoming

tributary V5 byte signal marks the various tributary V5

bytes. LDV5 marks each tributary V5 byte on the

LDDATA[7:0] bus when high. The LDV5 input is only

used if the Ingress VTPP is bypassed (i.e. the

IVTPPBYP bit of the SONET/SDH Master Ingress

Configuration register is logic 1.)

LDV5 is sampled on the rising edge of LREFCLK.

LDTPL

Input

Line Drop Bus Tributary Payload Active (LDTPL).

The tributary payload active signal marks the bytes

carrying the tributary payload which have been

identified by an external payload processor. When this

signal is available, the internal pointer processor can

be bypassed. LDTPL is only respected for

asynchronously mapped tributaries.

LDTPL is high during each tributary payload byte on

the LDDATA[7:0] bus. In floating mode, LDTPL

contains valid data only for bytes in the VC3 or VC4

virtual containers, or the STS-1 SPE. It should be

ignored for bytes in the transport overhead. In locked

mode, LDTPL is low for transport overhead.

LDTPL is sampled on the rising edge of LREFCLK.

LDAIS

Input

AA8 Line Drop Bus Tributary Path Alarm Indication

Signal (LDAIS). The active high tributary path alarm

indication signal identifies tributaries on the incoming

data stream LDDATA[7:0] that are in AIS state. When

this signal is available, the internal pointer processor

can be bypassed. LDAIS is invalid when LDTPL is low.

LDAIS is only respected for asynchronously mapped

tributaries.

LDAIS is sampled on the rising edge of LREFCLK.

PM5366-PI Datasheet(PDF) 55 Page - PMC-Sierra, Inc

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