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PM7346 датащи(PDF) 61 Page - PMC-Sierra, Inc

номер детали PM7346
подробное описание детали  SATURN QUAD USER NETWORK INTERFACE FOR J2, E3, T3
PDF  419 Pages
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производитель  PMC [PMC-Sierra, Inc]
домашняя страница  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM7346 датащи(HTML) 61 Page - PMC-Sierra, Inc

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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 40
Pin Name
Type
Pin No.
Function
FRMSTAT[4]
FRMSTAT[3]
FRMSTAT[2]
FRMSTAT[1]
Output
U1
U2
T4
U3
Framer Status (FRMSTAT[4:1]).
FRMSTAT[4:1] is an active high signal
which can be configured to show when
one of the J2, E3, DS3, or PLCP framers
have detected certain conditions. The
FRMSTAT[4:1] outputs can be
programmed via the STATSEL[2:0] bits in
the S/UNI-QJET Configuration 2 Register
to indicate: E3/DS3 Loss of Frame or J2
extended Loss of Frame, E3/DS3 Out of
Frame or J2 Loss of Frame, PLCP Loss of
Frame, PLCP Out of Frame, AIS, Loss of
Signal, and DS3 Idle. FRMSTAT[4:1]
should be treated as a glitch free
asynchronous signal.
ATM8
Input
L18
ATM Interface Bus Width Selection
(ATM8). The ATM8 input pin determines
whether the S/UNI-QJET works with a 8-
bit wide interface (RDAT[7:0] and
TDAT[7:0]) or a 16-bit wide interface
(RDAT[15:0] and TDAT[15:0]). If ATM8 is
set to logic 1, then the 8-bit wide interface
is chosen. If ATM8 is set to logic 0, then
the 16-bit wide interface is chosen.



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