PM8313-RI View Datasheet(PDF) - PMC-Sierra

Part Name

Description

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PM8313-RI

M13 MULTIPLEXER

PMC-Sierra 

DATA SHEET

PMC-920702

ISSUE 5

PM8313 D3MX

M13 MULTIPLEXER

Pin Name

RODAT

RMFP

RMSFP

ROHP

Type Pin No. Function

Output

7 The receive data output (RODAT) signal carries

the 44.736 Mbit/s NRZ stream decoded from

the B3ZS line signal. The frame alignment

signals (RMFP, RMSFP, and ROHP) are

aligned to the RODAT stream. RODAT is

updated on the falling edge of ROCLK.

Output

11 The receive M-frame pulse (RMFP) signal

marks the first bit (X1) in the M-frame of the

DS3 signal on RODAT. When the framer is out-

of-frame, RMFP continues to operate with

timing aligned to the old M-frame position.

When the framer regains frame alignment the

RMFP timing is updated, which may result in a

change of frame alignment. RMFP is updated

on the falling edge of ROCLK.

Output

16 The receive M-subframe pulse (RSMFP) signal

marks the first bit (X, P, and M) in each M-

subframe of the received DS3 stream (RODAT)

when the framer is in-frame. When the framer

is out-of-frame, RSMFP continues to operate

with timing aligned to the old M-frame position.

When the framer regains frame alignment the

RMSFP timing is updated, which may result in

a change of frame alignment. RSMFP is

updated on the falling edge of ROCLK.

Output

12 The receive overhead pulse (ROHP) signal

marks the overhead bit positions (X, P, M, C,

and F) in the received DS3 stream (RODAT)

when the framer is in-frame. When the framer

is out-of-frame, ROHP continues to operate

with timing aligned to the old M-frame position.

When the framer regains frame alignment the

ROHP timing is updated, which may result in a

change of frame alignment. ROHP is updated

on the falling edge of ROCLK.

15

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