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ACS8526P Datasheet(PDF) 38 Page - Semtech Corporation

Part # ACS8526P
Description  Line Card Protection Switch for PDH, SONET or SDH Systems
PDF  74 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

ACS8526P Datasheet(HTML) 38 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS
FINAL
DATASHEET
Revision 4.01/June 2006 © Semtech Corp.
Page 38
www.semtech.com
ACS8526 LC/P LITE
Address (hex):
38
Register Name cnfg_dig_outputs_sonsdh
Description
Configures Digital1 and Digital2
output frequencies to be SONET
or SDH compatible frequencies.
Default Value
0001 0100
Bit 7Bit 6
Bit 5Bit 4
Bit 3
Bit 2Bit 1Bit 0
dig2_sonsdh
dig1_sonsdh
Bit No.
Description
Bit Value
Value Description
7Not used.
-
-
6
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.
1
0
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.
5
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.
1
0
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.
[4:0]
Not used.
-
-
Address (hex):
39
Register Name cnfg_digtial_frequencies
Description
(R/W) Configures the actual
frequencies of Digital1 & Digital2.
Default Value
0000 1000
Bit 7Bit 6
Bit 5Bit 4
Bit 3
Bit 2Bit 1Bit 0
digital2_frequency
digital1_frequency
Bit No.
Description
Bit Value
Value Description
[7:6]
digital2_frequency
Configures the frequency of Digital2. Whether this is
SONET or SDH based is configured by Bit 6
(dig2_sonsdh) of Reg. 38.
00
01
10
11
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.
[5:4]
digital1_frequency
Configures the frequency of Digital1. Whether this is
SONET or SDH based is configured by Bit 5
(dig1_sonsdh) of Reg. 38.
00
01
10
11
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.
[3:0]
Not used.



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