ACS8525T Semtech, ACS8525T Datasheet - Page 51
ACS8525T
Manufacturer Part Number
ACS8525T
Description
Line Card Protection Switch for SONET/SDH Systems
Manufacturer
Semtech
Datasheet
1.ACS8525T.pdf
(112 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ACS8525T
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
- Current page: 51 of 112
- Download datasheet (915Kb)
Address (hex):
Address (hex):
Revision 3.01/August 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
Bit No.
Bit No.
Bit 7
[7:0]
Bit 7
[7:0]
0C
0D
sts_current_DPLL_frequency
[7:0]
Description
Bits [7:0] of sts_current_DPLL_frequency
*When Bit 4 (DPLL1_DPLL2_select) of Reg. 4B
(cnfg_registers_source_select) = 0 the frequency
for DPLL1 is reported.
When this Bit 4 = 1 the frequency for DPLL2 is
reported.
sts_current_DPLL_frequency
[15:8]
Description
Bits [15:8] of sts_current_DPLL_frequency
The value in this register is combined with the value
in Reg. 0C and Reg. 07 to represent the current
frequency offset of the DPLL.
*When Bit 4 (DPLL1_DPLL2_select) of Reg. 4B
(cnfg_registers_source_select) = 0 the frequency
for DPLL1 is reported.
When this Bit 4 = 1 the frequency for DPLL2 is
reported.
Bit 6
Bit 6
Bit 5
Bit 5
Bits [15:8] of sts_current_DPLL_frequency
Bits [7:0] of sts_current_DPLL_frequency
Description
Description
Bit 4
Bit 4
FINAL
Page 51
(RO) Bits [7:0] of the current DPLL
frequency.
(RO) Bits [15:8] of the current
DPLL frequency.
Bit Value
Bit Value
Bit 3
Bit 3
-
-
Value Description
See register description of
sts_current_DPLL_frequency at Reg. 0D.
Value Description
In order to calculate the ppm offset of the DPLL with
respect to the crystal oscillator frequency, the value
in Reg. 07, Reg. 0D and Reg. 0C need to be
concatenated. This value is a 2’s complement
signed integer. The value multiplied by
0.0003068 dec will give the value in ppm offset
with respect to the XO frequency, allowing for any
crystal calibration that has been performed, via
cnfg_nominal_frequency, Reg. 3C and 3D. The
value is actually the DPLL integral path value so it
can be viewed as an average frequency, where the
rate of change is related to the DPLL bandwidth. If
Bit 3 of Reg. 3B is High then this value will freeze if
the DPLL has been pulled to its min or max
frequency.
Bit 2
Bit 2
Default Value
Default Value
ACS8525 LC/P
Bit 1
Bit 1
DATASHEET
www.semtech.com
0000 0000
0000 0000
Bit 0
Bit 0
Related parts for ACS8525T
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Image Sensor, CMOS|CCD, 1026x1026 Pixels, 132pin LCC
Manufacturer:
Photon Vision Systems, Inc.
Datasheet:
Part Number:
Description:
High Performance Area CMOS Image Sensor
Manufacturer:
Photon Vision Systems, Inc.
Datasheet:
Part Number:
Description:
Image Sensor, CMOS, 2048x2048 Pixels, 144pin CPGA
Manufacturer:
Photon Vision Systems, Inc.
Datasheet:
Part Number:
Description:
SMD Mini Spring Coils
Manufacturer:
ECM [ECM Electronics Limited.]
Datasheet:
Part Number:
Description:
EVALUATION BOARD
Manufacturer:
Semtech
Datasheet:
Part Number:
Description:
EVALUATION BOARD
Manufacturer:
Semtech
Datasheet:
Part Number:
Description:
VOLTAGE SUPPRESSOR, TRANSIENT SEMTECH
Manufacturer:
Semtech
Datasheet:
Part Number:
Description:
HIGH VOLTAGE CAPACITORS MONOLITHIC CERAMIC TYPE
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
EZ1084CM5.0 AMP POSITIVE VOLTAGE REGULATOR
Manufacturer:
Semtech Corporation
Datasheet:
Part Number:
Description:
3.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS
Manufacturer:
Semtech Corporation
Datasheet: