ACS8520T Semtech, ACS8520T Datasheet - Page 81

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

Address (hex):
Address (hex):
Revision 3.02/October 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
Bit No.
Bit No.
Bit 7
Bit 7
[7:3]
2
1
0
31 (cont...)
32
cnfg_sts_remote_sources_valid
Description
I11
Bit enabling input I11 to be considered for locking
to. If this bit is not set, then even if this input I11 is
valid, it will still not appear in Reg. 0A and 0B
(sts_priority_table).
I10
Bit enabling input I10 to be considered for locking
to. If this bit is not set, then even if this input I10 is
valid, it will still not appear in Reg. 0A and 0B
(sts_priority_table).
I9
Bit enabling input I9 to be considered for locking to.
If this bit is not set, then even if this input I9 is valid,
it will still not appear in Reg. 0A and 0B
(sts_priority_table).
cnfg_operating_mode
Description
Not used.
Bit 6
Bit 6
I14
Bit 5
Bit 5
Description
I13
Description
Bit 4
Bit 4
FINAL
Page 81
(R/W) Bits [13:8] of the remote
sources valid register. A register
used to disable source that are
invalid in another device in a
redundancy pair.
I12
(R/W) Register to force the state
of the TO DPLL controlling state
machine.
Bit Value
Bit Value
Bit 3
Bit 3
0
1
0
1
0
1
-
I11
Value Description
Locking to input I11 disallowed.
Locking to input I11 allowed.
Locking to input I10 disallowed.
Locking to input I10 allowed.
Locking to input I9 disallowed.
Locking to input I9 allowed.
Value Description
-
Bit 2
Bit 2
T0_DPLL_operating_mode
Default Value
I10
Default Value
ACS8520 SETS
Bit 1
Bit 1
DATASHEET
www.semtech.com
0011 1111
I9
0000 0000
Bit 0
Bit 0