ACS8525T Semtech, ACS8525T Datasheet - Page 60
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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Quantity
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Part Number:
ACS8525T
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
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Address (hex):
Address (hex):
Revision 3.01/August 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
Bit No.
Bit No.
Bit 7
[4:0]
Bit 7
[7:6]
[5:4]
[3:0]
7
6
5
digital2_frequency
38
39
cnfg_dig_outputs_sonsdh
dig2_sonsdh
Description
Not used.
dig2_sonsdh
Selects whether the frequencies generated by the
Digital2 frequency generator are SONET derived or
SDH.
*Default value of this bit is set by the SONSDHB pin
at power-up.
dig1_sonsdh
Selects whether the frequencies generated by the
Digital1 frequency generator are SONET derived or
SDH.
*Default value of this bit is set by the SONSDHB pin
at power-up.
Not used.
cnfg_digtial_frequencies
Description
digital2_frequency
Configures the frequency of Digital2. Whether this is
SONET or SDH based is configured by Bit 6
(dig2_sonsdh) of Reg. 38.
digital1_frequency
Configures the frequency of Digital1. Whether this is
SONET or SDH based is configured by Bit 5
(dig1_sonsdh) of Reg. 38.
Not used.
Bit 6
Bit 6
dig1_sonsdh
Bit 5
Bit 5
digital1_frequency
Description
Description
Bit 4
Bit 4
FINAL
Page 60
Configures Digital1 and Digital2
output frequencies to be SONET
or SDH compatible frequencies.
(R/W) Configures the actual
frequencies of Digital1 & Digital2.
Bit Value
Bit Value
Bit 3
Bit 3
00
01
10
11
00
01
10
11
1
0
1
0
-
-
Value Description
-
Digital2 can be selected from 1,544/3,088/6,176/
12,352 kHz.
Digital2 can be selected from 2,048/4,096/8,192/
16,384 kHz.
Digital1 can be selected from 1,544/3,088/6,176/
12,352 kHz.
Digital1 can be selected from 2,048/4,096/8,192/
16,384 kHz.
-
Value Description
Digital2 set to 1,544 kHz or 2,048 kHz.
Digital2 set to 3,088 kHz or 4,096 kHz.
Digital2 set to 6,176 kHz or 8,192 kHz.
Digital2 set to 12,353 kHz or 16,384 kHz.
Digital1 set to 1,544 kHz or 2,048 kHz.
Digital1 set to 3,088 kHz or 4,096 kHz.
Digital1 set to 6,176 kHz or 8,192 kHz.
Digital1 set to 12,353 kHz or 16,384 kHz.
Bit 2
Bit 2
Default Value
Default Value
ACS8525 LC/P
Bit 1
Bit 1
DATASHEET
www.semtech.com
0000 0100*
0000 1000
Bit 0
Bit 0
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