PM8313 View Datasheet(PDF) - PMC-Sierra

Part Name

Description

Manufacturer

PM8313

M13 MULTIPLEXER

PMC-Sierra 

DATA SHEET

PMC-920702

ISSUE 5

PM8313 D3MX

M13 MULTIPLEXER

Pin Name

RFERF

Type Pin No. Function

Output

23 The receive far end receive failure (RFERF)

signal reflects the value of the internal FERF

state buffered by two M-frames. Internally,

FERF is set high when both X-bits (X1 and X2)

are received as logic 0 in the current M-frame;

FERF is set low when both X-bits are received

as logic 1. FERF remains in its previous state

when X1 • X2 in the current M-frame. The

RFERF output latency provides a better than

99.99% chance of freezing (i.e. holding RFERF

in its previous state) upon a valid state value

during the occurrence of an out of frame.

RFERF is updated once per M-frame on the

falling edge of ROHCLK.

18

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