ACS8525T Semtech, ACS8525T Datasheet - Page 81
ACS8525T
Manufacturer Part Number
ACS8525T
Description
Line Card Protection Switch for SONET/SDH Systems
Manufacturer
Semtech
Datasheet
1.ACS8525T.pdf
(112 pages)
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Part Number
Manufacturer
Quantity
Price
Part Number:
ACS8525T
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
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Address (hex):
Address (hex):
Address (hex):
Revision 3.01/August 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
Register Name
Bit No.
Bit No.
Bit No.
Bit 7
[7:2]
[1:0]
Bit 7
[7:2]
[1:0]
Bit 7
[7:4]
66
67
69
cnfg_DPLL2_bw
Description
Not used.
DPLL2_bandwidth
Register to configure the bandwidth of DPLL2.
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.
Bit 6
Bit 6
Bit 6
Bit 5
Bit 5
Bit 5
Description
Description
Description
Bit 4
Bit 4
Bit 4
FINAL
Page 81
(R/W) Register to configure the
bandwidth of DPLL2.
(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 Value
Bit 3
Bit 3
Bit 3
00
01
10
11
11
00
01
10
-
-
-
Value Description
-
DPLL2 18 Hz bandwidth.
DPLL2 35 Hz bandwidth.
DPLL2 70 Hz bandwidth.
Not used.
Value Description
-
DPLL1, 18 Hz locked bandwidth.
DPLL1, 35 Hz locked bandwidth.
DPLL1, 70 Hz locked bandwidth.
Not used.
Value Description
-
Bit 2
Bit 2
Bit 2
Default Value
Default Value
Default Value
DPLL1_acquisition_bandwidth
ACS8525 LC/P
DPLL1_locked_bandwidth
Bit 1
Bit 1
Bit 1
DPLL2_bandwidth
DATASHEET
www.semtech.com
0000 0000
0001 0000
0001 0001
Bit 0
Bit 0
Bit 0
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