ACS8522A View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'ACS8522A' PDF : 118 Pages View PDF
ACS8522A SETS LITE
ADVANCED COMMS & SENSING
Address (hex): 38 (cont...)
FINAL
DATASHEET
Register Name cnfg_dig_outputs_sonsdh
Description
Configures Digital1 and Digital2
output frequencies to be SONET
or SDH compatible frequencies.
Default Value
0000 1101*
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
5
[4:0]
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
Digital1 can be selected from 1544/3088/6176/
12352 kHz.
0
Digital1 can be selected from 2048/4096/8192/
16384 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 1544 kHz or 2048 kHz.
01
Digital2 set to 3088 kHz or 4096 kHz.
10
Digital2 set to 6176 kHz or 8192 kHz.
11
Digital2 set to 12353 kHz or 16384 kHz.
00
Digital1 set to 1544 kHz or 2048 kHz.
01
Digital1 set to 3088 kHz or 4096 kHz.
10
Digital1 set to 6176 kHz or 8192 kHz.
11
Digital1 set to 12353 kHz or 16384 kHz.
Revision 1.00/September 2007 © Semtech Corp.
Page 63
www.semtech.com
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