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ACS8525AP Datasheet(PDF) 75 Page - Semtech Corporation

Part # ACS8525AP
Description  Line Card Protection Switch for SONET/SDH Systems
PDF  112 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

ACS8525AP Datasheet(HTML) 75 Page - Semtech Corporation

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ACS8525A LC/P
ADVANCED COMMS & SENSING
FINAL
DATASHEET
Revision 1.00/September 2007 © Semtech Corp.
Page 75
www.semtech.com
Address (hex):
5C
Register Name cnfg_upper_threshold_3
Description
(R/W) Register to program the
activity alarm setting limit for
Leaky Bucket Configuration 3.
Default Value
0000 0110
Bit 7Bit 6
Bit 5Bit 4
Bit 3
Bit 2Bit 1Bit 0
upper_threshold_3_value (Activity alarm, Config. 3, Leaky Bucket - set threshold)
Bit No.
Description
Bit Value
Value Description
[7:0]
upper_threshold_3_value
The Leaky Bucket operates on a 128 ms cycle. If,
during a cycle, it detects that an input has either
failed or has been erratic, then for each cycle in
which this occurs, the accumulator is incremented
by 1, and for each period of 1, 2, 4, or 8 cycles, as
programmed in Reg. 5F (cnfg_decay_rate_3), in
which this does not occur, the accumulator is
decremented by 1.
When the accumulator count reaches the value
programmed as the upper_threshold_3_value, the
Leaky Bucket raises an input inactivity alarm.
-
Value at which the Leaky Bucket will raise an
inactivity alarm.
Address (hex):
5D
Register Name cnfg_lower_threshold_3
Description
(R/W) Register to program the
activity alarm resetting limit for
Leaky Bucket Configuration 3.
Default Value
0000 0100
Bit 7Bit 6
Bit 5Bit 4
Bit 3
Bit 2Bit 1Bit 0
lower_threshold_3_value (Activity alarm, Config. 3, Leaky Bucket - reset threshold)
Bit No.
Description
Bit Value
Value Description
[7:0]
lower_threshold_3_value
The Leaky Bucket operates on a 128 ms cycle. If,
during a cycle, it detects that an input has either
failed or has been erratic, then for each cycle in
which this occurs, the accumulator is incremented
by 1, and for each period of 1, 2, 4, or 8 cycles, as
programmed in Reg. 5F (cnfg_decay_rate_3), in
which this does not occur, the accumulator is
decremented by 1.
The lower_threshold_3_value is the value at which
the Leaky Bucket will reset an inactivity alarm.
-
Value at which the Leaky Bucket will reset an
inactivity alarm.



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