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XRT79L71 Datasheet, PDF (148/441 Pages) Exar Corporation – 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L71
REV. P1.0.3
BIT NUMBER
NAME
3-0
Receive Idle Pattern[3:0]
PRELIMINARY
áç
1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
TYPE
R/W
DESCRIPTION
Receive DS3 Idle Pattern:
These READ/WRITE bit-fields permit the user to specify the pat-
tern in which the DS3 Frame Synchronizer will recognize as the
"DS3 Idle Pattern".
NOTE: The Bellcore GR-499-CORE specified value for the Idle
Pattern is a framed repeating "1, 1, 0, 0…" pattern.
Therefore, if the user wishes to configure the "DS3
Frame Synchronizer" to declare an "Idle Pattern" when it
receives this pattern, then he/she write the value [1100]
into these bit-fields.
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