ACS8526 Semtech Corporation, ACS8526 Datasheet - Page 59

• Manufacturer Part Number: ACS8526
• Description: Lc/p Lite Line Card Protection Switch For Pdh, Sonet, or SDH Systems
• Manufacturer: Semtech Corporation

Address (hex):
Revision 4.00/September 2003 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Bit No.
Bit 7
[7:3]
2
1
0
7D
cnfg_LOS_alarm
Description
Not used.
LOS_GPO_en
(General Purpose Output). If the LOS_ALARM output
pin is not required, then setting this bit will allow the
pin to be used as a general purpose output. The pin
will be driven to the state of the polarity control bit,
int_polarity.
LOS_tristate_en
The LOS_ALARM pin can be configured to be either
connected directly to a processor, or wired together
with other sources.
LOS_polarity
The LOS_ALARM pin can be configured to be active
High or Low.
Bit 6
Bit 5
Description
Bit 4
FINAL
Page 59
(R/W) Register to configure LOS
(Loss of Signal) Alarm.
Bit Value
Bit 3
0
1
0
1
0
1
-
LOS_GPO_en
Value Description
-
LOS_ALARM output pin used for interrupts.
LOS_ALARM output pin used for GPO purpose.
LOS_ALARM pin always driven when inactive.
LOS_ALARM pin only driven when active, high-
impedance when inactive.
Active Low - pin driven Low to indicate active alarm.
Active High - pin driven High to indicate active
alarm.
Bit 2
ACS8526 LC/P LITE
Default Value
LOS_tristate_en LOS_
Bit 1
DATASHEET
www.semtech.com
0000 0010
polarity
Bit 0