ACS8525 Semtech Corporation, ACS8525 Datasheet - Page 59

• Manufacturer Part Number: ACS8525
• Description: Line Card Protection Switch For Sonet/sdh Systems
• Manufacturer: Semtech Corporation

Address (hex):
Address (hex):
Revision 3.00/October 2003 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
auto_extsync_
en
Register Name
Bit No.
Bit No.
Bit 7
Bit 7
[5:0]
0
7
6
34 (cont...)
35
cnfg_input_mode
phalarm_time-
out
Description
reversion_mode
Bit to select Revertive/Non-revertive mode. When in
Non-revertive mode, the device will not
automatically switch to a higher priority source,
unless the current source fails. When in Revertive
mode the device will always select the highest
priority source.
cnfg_DPLL2_path
DPLL2_dig_
feedback
Description
Not used.
DPLL2_dig_feedback
Bit to select digital feedback mode for DPLL2.
Not used.
Bit 6
Bit 6
XO_edge
Bit 5
Bit 5
Description
Description
Bit 4
Bit 4
FINAL
Page 59
(R/W) Register controlling various
input modes of the device.
extsync_en
(R/W) Register to configure the
feedback mode of DPLL2.
Bit Value
Bit Value
Bit 3
Bit 3
0
1
0
1
-
-
ip_sonsdhb
Value Description
Non-revertive mode.
Revertive mode.
Value Description
-
DPLL2 in analog feedback mode.
DPLL2 in digital feedback mode.
-
Bit 2
Bit 2
Default Value
Default Value
ACS8525 LC/P
Bit 1
Bit 1
DATASHEET
www.semtech.com
1100 1010*
reversion_mode
1010 0000
Bit 0
Bit 0