PM7346 datasheet(58/419 Pages) PMC

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PM7346 S/UNI-QJET

DATASHEET

PMC-960835

ISSUE 6

SATURN QUAD USER NETWORK INTERFACE FOR J2, E3, T3

PMC-SIERRA, INC. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA INC., AND ITS CUSTOMERS’ INTERNAL USE 37

Pin Name

Type

Pin No.

Function

RFPO[4]

RFPO[3]

RFPO[2]

RFPO[1]

RMFPO[4]

RMFPO[3]

RMFPO[2]

RMFPO[1]

Output

U12

Framer Receive Frame Pulse/Multi-frame

Pulse (RFPO/RMFPO[4:1]).

RFPO/RMFPO[4:1] is valid when the

S/UNI-QJET is configured to be in framer

only mode. The 8KREFO bit must be set

to logic 0 S/UNI-QJET Configuration

RFPO[4:1] is aligned to RDATO[4:1] and

indicates the position of the first bit in each

DS3 M-subframe, the first bit in each

G.751 E3 or G.832 E3 frame, or the first

framing bit in each J2 frame

RMFPO[4:1] is aligned to RDATO[4:1] and

indicates the position of the first bit in each

DS3 M-frame, the first bit in each G.751 or

G.832 E3 multiframe, or the first framing

bit in each J2 multiframe.

RFPO/RMFPO[4:1] is updated on either

the falling or rising edge of RSCLK[4:1]

depending on the setting of the RSCLKR

bit in the S/UNI-QJET Receive

Configuration register.

RPOH[4]

RPOH[3]

RPOH[2]

RPOH[1]

Output

V13

V10

Receive PLCP Overhead Data

(RPOH[4:1]). RPOH[4:1] contains the

PLCP path overhead octets (Zn, F1, B1,

G1, M1, M2, and C1) extracted from the

received PLCP frame when the PLCP

layer is in-frame. When the PLCP layer is

in the loss of frame state, RPOH[4:1] is

forced to all ones. The octet data on

RPOH[4:1] is shifted out in order from the

most significant bit (bit 1) to the least

significant bit (bit 8). RPOH[4:1] is

updated on the falling edge of

RPOHCLK[4:1].

PM7346 Datasheet(PDF) 58 Page - PMC-Sierra, Inc

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