ACS8514T View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
ACS8514T
Synchronous Equipment Timing Source Partner IC for 2nd T4 DPLL, Accurate Monitoring & Input Extender
Semtech Corporation
'ACS8514T' PDF : 86 Pages View PDF
ACS8514 SETS Buddy
ADVANCED COMMS & SENSING FINAL
DATASHEET
Address(hex): 10 – 16 (continued)
Bit No.
Description
4&0
Phase lock alarm
If the DPLL can not indicate that it is phase locked
onto the current source within 100 seconds this
alarm will be raised.
Bit Value
0
1
Value Description
No alarm.
Phase lock alarm.
Address(hex): 18 – 1E
Register Name
Bit 7
cnfg_ref_selection_priority
(1 & 2)
Bit 6
Bit 5
Description
Bit 4
(R/W) Configures the relative
Default Value
priority of input sources I1 and I2.
Bit 3
Bit 2
Bit 1
See Table 5 on
page 9
Bit 0
Address 18: cnfg_ref_selection_priority_2
Address 19: cnfg_ref_selection_priority_4
Address 1A: cnfg_ref_selection_priority_6
Address 1B: cnfg_ref_selection_priority_8
Address 1C: cnfg_ref_selection_priority_10
Address 1D: cnfg_ref_selection_priority_12
Address 1E: cnfg_ref_selection_priority_14
Bit No.
Description
Address 18: cnfg_ref_selection_priority_1
Address 19: cnfg_ref_selection_priority_3
Address 1A: cnfg_ref_selection_priority_5
Address 1B: cnfg_ref_selection_priority_7
Address 1C: cnfg_ref_selection_priority_9
Address 1D: cnfg_ref_selection_priority_11
Address 1E: cnfg_ref_selection_priority_13
Bit Value Value Description
[7:4]
cnfg_ref_selection_priority_2 - 14
0000
Input I2 - I14 unavailable for automatic selection.
This 4-bit value represents the relative priority of the 0001-1111 Input I2 to Input I14 (even no.s) priority value.
input, for inputs I2 to I14. The smaller the number,
the higher the priority; zero disables the input.
Register 4B, bit 4 must be set to ‘1’ for correct
setting and reporting of the T4 DPLL priorities.
[3:0]
cnfg_ref_selection_priority_1 - 13
0000
Input I1 - I13 unavailable for automatic selection.
This 4-bit value represents the relative priority of the 0001-1111 Input I1 to Input I13 (odd no.s) priority value.
input, for inputs I1 to I13 . The smaller the number,
the higher the priority; zero disables the input.
Register 4B, bit 4 must be set to ‘1’ for correct
setting and reporting of the T4 DPLL priorities.
Address(hex): 20
Register Name cnfg_ref_source_frequency1
Bit 7
Bit 6
Bit 5
Description
Bit 4
(R/W) Configuration of the
frequency and input monitoring
for input I1.
Bit 3
Bit 2
Default Value 0000 0000
Bit 1
Bit 0
Set to zero
bucket_id_1
Set to zero
Bit No.
Description
Bit Value Value Description
[7:6]
Set to zero
00
Set to zero
[5:4]
bucket_id_1
Every input has its own Leaky Bucket type activity
monitor. There are four possible configurations for
each monitor- see register 50 to 5F. This 2-bit field
selects the configuration used for input I1.
[3:0]
Set to zero
00
01
10
11
0000
Input I1 uses activity monitor Configuration 0.
Input I1 uses activity monitor Configuration 1.
Input I1 uses activity monitor Configuration 2.
Input I1 uses activity monitor Configuration 3.
Set up for 8 kHz inputs only as AMI input.
Revision 3.00 April 2007 © Semtech Corp.
Page 41
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