ACS8520T Semtech, ACS8520T Datasheet - Page 74
ACS8520T
Manufacturer Part Number
ACS8520T
Description
Synchronous Equipment Timing Source (SETS) for Stratum 3/4E/4 and SMC Systems
Manufacturer
Semtech
Datasheet
1.ACS8520T.pdf
(150 pages)
- Current page: 74 of 150
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Address (hex):
Address (hex):
Revision 3.02/October 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
Bit No.
Bit No.
Bit 7
[3:0]
Bit 7
[7:4]
1C (cont...)
1D
cnfg_ref_selection_priority
(9 & 10)
Description
cnfg_ref_selection_priority_9
This 4-bit value represents the relative priority of
input I9. The smaller the number, the higher the
priority; zero disables the input.
*When Bit 4 (T4_T0_select) of Reg. 4B
(cnfg_registers_source_select) = 0 the priority for
the T0 path is configured.
When this Bit 4 = 1 the priority for the T4 path is
configured.
cnfg_ref_selection_priority
(11 & 12)
Description
cnfg_ref_selection_priority_12
This 4-bit value represents the relative priority of
input I12. The smaller the number, the higher the
priority; zero disables the input.
*When Bit 4 (T4_T0_select) of Reg. 4B
(cnfg_registers_source_select) = 0 the priority for
the T0 path is configured.
When this Bit 4 = 1 the priority for the T4 path is
configured.
cnfg_ref_selection_priority_10
cnfg_ref_selection_priority_12
Bit 6
Bit 6
Bit 5
Bit 5
Description
Description
Bit 4
Bit 4
FINAL
Page 74
(R/W) Configures the relative
priority of input sources I9 and
I10.
(R/W) Configures the relative
priority of input sources I11 and
I12.
0001-1111
0001-1111
Bit Value
Bit Value
0000
0000
Bit 3
Bit 3
Value Description
Input I9 unavailable for automatic selection.
Input I9 priority value.
Value Description
Input I12 unavailable for automatic selection.
Input I12 priority value.
cnfg_ref_selection_priority_11
cnfg_ref_selection_priority_9
Bit 2
Bit 2
Default Value
Default Value
ACS8520 SETS
Bit 1
Bit 1
(T0)*
(T4)*
(T0)*
(T4)*
DATASHEET
www.semtech.com
1011 1010
1011 1010
1101 1100
0000 0000
Bit 0
Bit 0
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