ACS8520T Semtech, ACS8520T Datasheet - Page 65

• Manufacturer Part Number: ACS8520T
• Description: Synchronous Equipment Timing Source (SETS) for Stratum 3/4E/4 and SMC Systems
• Manufacturer: Semtech

Address (hex):
Revision 3.02/October 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Bit No.
Bit 7
[7:4]
[3:0]
0A
sts_priority_table
Description
Highest priority validated source
Reports the input channel number of the highest
priority validated source.
Note...If an input is valid and it does not appear in
this field when otherwise it might, then the input
may have been disallowed in Reg. 30 and Reg. 31
(cnfg_sts_remote_sources_valid).
*When Bit 4 (T4_T0_select) of Reg. 4B
(cnfg_registers_source_select) = 0 the highest
priority validated source for the T0 path is reported.
When this Bit 4 = 1 the highest priority validated
source for the T4 path is reported.
Currently selected source
Reports the input channel number of the currently
selected source. When in Non-revertive mode, this
is not necessarily the same as the highest priority
validated source.
Note...If an input is valid and it does not appear in
this field when otherwise it might, then the input
may have been disallowed in Reg. 30 and Reg. 31
(cnfg_sts_remote_sources_valid).
*When Bit 4 (T4_T0_select) of Reg. 4B
(cnfg_registers_source_select) = 0 the currently
selected source for the T0 path is reported.
When this Bit 4 = 1 the currently selected source for
the T4 path is reported. The T4 path does not have
a Non-revertive mode so this will always be the
same as the highest priority validated source.
Highest priority validated source
Bit 6
Bit 5
Description
Bit 4
FINAL
Page 65
(RO) Bits [7:0] of the validated
priority table.
Bit Value
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Bit 3
Value Description
No valid source available.
Input I1 is the highest priority valid source.
Input I2 is the highest priority valid source.
Input I3 is the highest priority valid source.
Input I4 is the highest priority valid source.
Input I5 is the highest priority valid source.
Input I6 is the highest priority valid source.
Input I7 is the highest priority valid source.
Input I8 is the highest priority valid source.
Input I9 is the highest priority valid source.
Input I10 is the highest priority valid source.
Input I11 is the highest priority valid source.
Input I12 is the highest priority valid source.
Input I13 is the highest priority valid source.
Input I14 is the highest priority valid source.
Not used.
No source currently selected.
Input I1 is the currently selected source.
Input I2 is the currently selected source.
Input I3 is the currently selected source.
Input I4 is the currently selected source.
Input I5 is the currently selected source.
Input I6 is the currently selected source.
Input I7 is the currently selected source.
Input I8 is the currently selected source.
Input I9 is the currently selected source.
Input I10 is the currently selected source.
Input I11 is the currently selected source.
Input I12 is the currently selected source.
Input I13 is the currently selected source.
Input I14 is the currently selected source.
Not used.
Currently selected source
Bit 2
Default Value
ACS8520 SETS
Bit 1
DATASHEET
www.semtech.com
0000 0000
Bit 0