ACS8525 Semtech Corporation, ACS8525 Datasheet - Page 79

• Manufacturer Part Number: ACS8525
• Description: Line Card Protection Switch For Sonet/sdh Systems
• Manufacturer: Semtech Corporation

Address (hex):
Address (hex):
Revision 3.00/October 2003 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
MFrSync_en
Bit No.
Bit No.
Bit 7
[7:4]
[3:0]
Bit 7
[5:0]
7
6
62
63
cnfg_output_frequency
(Output O1)
Description
output_freq_O1
Configuration of the output frequency available at
Output O1. Many of the frequencies available are
dependent on the frequencies of the APLL1 and the
APLL2. These are configured in Reg. 64 and
Reg. 65. For more detail see the detailed section on
configuring the output frequencies.
Not used.
cnfg_output_frequency
(MFrSync/FrSync)
FrSync_en
Description
MFrSync_en
Register bit to enable the 2 kHz Sync output
(MFrSync).
FrSync_en
Register bit to enable the 8 kHz Sync output
(FrSync).
Not used.
Bit 6
Bit 6
output_freq_O1
Bit 5
Bit 5
Description
Description
Bit 4
Bit 4
FINAL
Page 79
(R/W) Register to configure and
enable the frequencies available
on Output O1.
(R/W) Register to configure and
enable the frequencies available
on outputs MFrSync and FrSync.
Bit Value
Bit Value
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Bit 3
Bit 3
0
1
0
1
-
-
Value Description
Output disabled.
2 kHz.
8 kHz.
APLL1 frequency/2.
Digital1 (Reg. 39 cnfg_digital_frequencies).
APLL1 frequency.
APLL1 frequency/16.
APLL1 frequency/12.
APLL1 frequency/8.
APLL1 frequency/6.
APLL1 frequency/4.
APLL2 frequency/64.
APLL2 frequency/48.
APLL2 frequency/16.
APLL2 frequency/8.
APLL2 frequency/4.
-
Value Description
Output MFrSync disabled.
Output MFrSync enabled.
Output FrSync disabled.
Output FrSync enabled.
-
Bit 2
Bit 2
Default Value
Default Value
ACS8525 LC/P
Bit 1
Bit 1
DATASHEET
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1000 0000
1100 0000
Bit 0
Bit 0