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ACS8530 Datasheet(PDF) 101 Page - Semtech Corporation

Part # ACS8530
Description  Synchronous Equipment Timing Source for Stratum 2/3E Systems
PDF  152 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

ACS8530 Datasheet(HTML) 101 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS
FINAL
DATASHEET
Revision 3.02/November 2005 © Semtech Corp.
Page 101
www.semtech.com
ACS8530 SETS
Address (hex):
50
Register Name cnfg_upper_threshold_0
Description
(R/W) Register to program the
activity alarm setting limit for
Leaky Bucket Configuration 0.
Default Value
0000 0110
Bit 7Bit 6
Bit 5Bit 4
Bit 3
Bit 2Bit 1Bit 0
upper_threshold_0_value
Bit No.
Description
Bit Value
Value Description
[7:0]
upper_threshold_0_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. 53 (cnfg_decay_rate_0), in
which this does not occur, the accumulator is
decremented by 1.
When the accumulator count reaches the value
programmed as the upper_threshold_0_value, the
Leaky Bucket raises an input inactivity alarm.
-
Value at which the Leaky Bucket will raise an
inactivity alarm.
Address (hex):
51
Register Name cnfg_lower_threshold_0
Description
(R/W) Register to program the
activity alarm resetting limit for
Leaky Bucket Configuration 0.
Default Value
0000 0100
Bit 7Bit 6
Bit 5Bit 4
Bit 3
Bit 2Bit 1Bit 0
lower_threshold_0_value
Bit No.
Description
Bit Value
Value Description
[7:0]
lower_threshold_0_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. 53 (cnfg_decay_rate_0), in
which this does not occur, the accumulator is
decremented by 1.
The lower_threshold_0_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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