ACS8525T View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'ACS8525T' PDF : 112 Pages View PDF
ACS8525 LC/P
ADVANCED COMMUNICATIONS
Address (hex): 38
Register Name cnfg_dig_outputs_sonsdh
FINAL
DATASHEET
Description
Configures Digital1 and Digital2
output frequencies to be SONET
or SDH compatible frequencies.
Default Value
0000 0100*
Bit 7
Bit 6
dig2_sonsdh
Bit 5
dig1_sonsdh
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit No.
Description
Bit Value Value Description
7
6
5
[4:0]
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.
-
-
1
Digital2 can be selected from 1,544/3,088/6,176/
12,352 kHz.
0
Digital2 can be selected from 2,048/4,096/8,192/
16,384 kHz.
1
Digital1 can be selected from 1,544/3,088/6,176/
12,352 kHz.
0
Digital1 can be selected from 2,048/4,096/8,192/
16,384 kHz.
-
-
Address (hex): 39
Register Name cnfg_digtial_frequencies
Description
(R/W) Configures the actual
Default Value 0000 1000
frequencies of Digital1 & Digital2.
Bit 7
Bit 6
digital2_frequency
Bit 5
Bit 4
digital1_frequency
Bit 3
Bit 2
Bit 1
Bit 0
Bit No.
Description
Bit Value Value Description
[7:6]
[5:4]
[3:0]
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.
00
Digital2 set to 1,544 kHz or 2,048 kHz.
01
Digital2 set to 3,088 kHz or 4,096 kHz.
10
Digital2 set to 6,176 kHz or 8,192 kHz.
11
Digital2 set to 12,353 kHz or 16,384 kHz.
00
Digital1 set to 1,544 kHz or 2,048 kHz.
01
Digital1 set to 3,088 kHz or 4,096 kHz.
10
Digital1 set to 6,176 kHz or 8,192 kHz.
11
Digital1 set to 12,353 kHz or 16,384 kHz.
Revision 3.01/August 2005 © Semtech Corp.
Page 60
www.semtech.com
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