ACS8520 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'ACS8520' PDF : 150 Pages View PDF
ACS8520 SETS
ADVANCED COMMUNICATIONS
Address (hex): 10
Register Name sts_reference_sources
Input pairs (1 & 2)
FINAL
Description
(RO except for test when R/W)
Reports any alarms active on
inputs.
DATASHEET
Default Value 0110 0110
Bit 7
Bit 6
Bit 5
Address 10: Status of I2 Input
Address 11: Status of I4 Input
Address 12: Status of I6 Input
Address 13: Status of I8 Input
Address 14: Status of I10 Input
Address 15: Status of I12 Input
Address 16: Status of I14 Input
Bit 4
Bit 3
Bit 2
Bit 1
Address 10: Status of I1 Input
Address 11: Status of I3 Input
Address 12: Status of I5 Input
Address 13: Status of I7 Input
Address 14: Status of I9 Input
Address 15: Status of I11 Input
Address 16: Status of I13 Input
Bit 0
Bit No.
Description
Bit Value Value Description
7&3
6&2
5&1
4&0
Out-of-band alarm (soft)
Soft out of band alarm bit for input. A “soft” alarm
will not invalidate an input.
Out-of-band alarm (hard)
Hard out of band alarm bit for input. A “hard” alarm
will invalidate an input.
No activity alarm
Alarm indication from the activity monitors.
Phase lock alarm
If the DPLL can not indicate that it is phase locked
onto the current source within 100 seconds this
alarm will be raised.
0
No alarm.
1
Alarm armed. Alarm thresholds (range) set by
Reg. 49, or by Reg. 4A, Bits [7:4] if the input is
currently selected.
0
No alarm.
1
Alarm armed. Alarm thresholds set by Reg. 49 Bits
[3:0], or by Reg. 4A Bits [3:0] if the input is currently
selected.
0
No alarm.
1
Input has an active no activity alarm.
0
No alarm.
1
Phase lock alarm.
Address (hex): 11
Address (hex): 12
Address (hex): 13
Address (hex): 14
Address (hex): 15
Address (hex): 16
As Reg. 10, but for sts_reference_sources, Input pairs (3 & 4)
As Reg. 10, but for sts_reference_sources, Input pairs (5 & 6)
As Reg. 10, but for sts_reference_sources, Input pairs (7 & 8)
As Reg. 10, but for sts_reference_sources, Input pairs (9 & 10)
As Reg. 10, but for sts_reference_sources, Input pairs (11 & 12)
As Reg. 10, but for sts_reference_sources, Input pairs (13 & 14)
Revision 3.02/October 2005 © Semtech Corp.
Page 70
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