ACS8514 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
ACS8514
Synchronous Equipment Timing Source Partner IC for 2nd T4 DPLL, Accurate Monitoring & Input Extender
Semtech Corporation
'ACS8514' PDF : 86 Pages View PDF
ACS8514 SETS Buddy
ADVANCED COMMS & SENSING FINAL
DATASHEET
Address(hex): 35
Register Name cnfg_T4_path
Bit 7
Bit 6
Description
Register to configure the inputs Default Value 0100 0000
and other features in the T4 path.
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Set to 0
Bit No.
T4_dig_feed-
back
Description
Set to 0
Bit Value
T4_forced_reference_source
Value Description
7
Set to 0
0
-
6
T4_dig_feedback
Bit to select digital feedback mode for the T4 DPLL.
5
Not used.
0
T4 DPLL in analog feedback mode.
1
T4 DPLL in digital feedback mode.
-
-
4
Set to 0
0
Address(hex): 36
Register Name cnfg_differential_inputs
Bit 7
Bit 6
Bit 5
Description
Bit 4
(R/W) Configures the differential
inputs to be PECL or LVDS type
inputs.
Bit 3
Bit 2
Default Value
Bit 1
0000 0010
Bit 0
I6_PECL
I5_LVDS
Bit No.
Description
Bit Value Value Description
[7:2]
Not used.
-
-
1
I6_PECL
Configures the I6 input to be compatible with either
3 V LVDS or 3 V PECL electrical levels.
0
I5_LVDS
Configures the I5 input to be compatible with either
3 V LVDS or 3 V PECL electrical levels.
0
I6 input LVDS compatible.
1
I6 input PECL compatible (Default).
0
I5 input LVDS compatible (Default).
1
I5 input PECL compatible.
Revision 3.00 April 2007 © Semtech Corp.
Page 46
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