ACS8525 Semtech Corporation, ACS8525 Datasheet - Page 82

• 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
Register Name
Bit No.
Bit No.
Bit 7
[7:2]
[1:0]
Bit 7
[7:4]
[3:0]
67
69
cnfg_DPLL1_locked_bw
Description
Not used.
DPLL1_locked_bandwidth
Register to configure the bandwidth of DPLL1 when
locked to an input reference. Reg. 3B Bit 7 is used
to control whether this bandwidth is used all of the
time or automatically switched to when phase
locked.
cnfg_DPLL1_acq_bw
Description
Not used.
DPLL1_acquisition_bandwidth
Register to configure the bandwidth of DPLL1 when
acquiring phase lock on an input reference. Reg. 3B
Bit 7 is used to control whether this bandwidth is
not used or automatically switched to when not
phase locked.
Bit 6
Bit 6
Bit 5
Bit 5
Description
Description
Bit 4
Bit 4
FINAL
Page 82
(R/W) Register to configure the
bandwidth of DPLL1, when phase
locked to an input.
(R/W) Register to configure the
bandwidth of DPLL1, when not
phase locked to an input.
Bit Value
Bit Value
Bit 3
Bit 3
11
00
01
10
11
00
01
10
-
-
Value Description
-
DPLL1, 18 Hz locked bandwidth.
DPLL1, 35 Hz locked bandwidth.
DPLL1, 70 Hz locked bandwidth.
Not used.
Value Description
-
DPLL1, 18 Hz acquisition bandwidth.
DPLL1, 35 Hz acquisition bandwidth.
DPLL1, 70 Hz acquisition bandwidth.
Not used.
Bit 2
Bit 2
Default Value
Default Value
DPLL1_acquisition_bandwidth
ACS8525 LC/P
DPLL1_locked_bandwidth
Bit 1
Bit 1
DATASHEET
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0001 0000
0001 0001
Bit 0
Bit 0