ACS8520 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'ACS8520' PDF : 150 Pages View PDF
ACS8520 SETS
ADVANCED COMMUNICATIONS
Address (hex): 4B
Register Name cnfg_registers_source_select
FINAL
DATASHEET
Description
(R/W) Register to select the
Default Value 0000 0000
source of many of the registers.
Bit 7
Bit 6
Bit 5
Bit 4
T4_T0_select
Bit 3
Bit 2
Bit 1
Bit 0
frequency_measurement_channel_select
Bit No.
Description
Bit Value Value Description
[7:5]
4
[3:0]
Not used.
T4_T0_select
Bit to select between the T0 and T4 path for:
Reg. 0A, 0B (sts_priority_table)
Reg. 0C, 0D and 07 (sts_current_DPLL_frequency)
Reg. 18 to 1E (cnfg_ref_selection_priority)
Reg. 77, 78 (sts_current_phase)
frequency_measurement_channel_select
Register to select which input channel the
frequency measurement result in Reg. 4C
(sts_freq_measurement) is taken from.
-
-
0
T0 path registers selected.
1
T4 path registers selected.
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Not used- refers to no input channel.
Frequency measurement taken from input I1.
Frequency measurement taken from input I2.
Frequency measurement taken from input I3.
Frequency measurement taken from input I4.
Frequency measurement taken from input I5.
Frequency measurement taken from input I6.
Frequency measurement taken from input I7.
Frequency measurement taken from input I8.
Frequency measurement taken from input I9.
Frequency measurement taken from input I10.
Frequency measurement taken from input I11.
Frequency measurement taken from input I12.
Frequency measurement taken from input I13.
Frequency measurement taken from input I14.
Not used- refers to no input channel.
Revision 3.02/October 2005 © Semtech Corp.
Page 99
www.semtech.com
Share Link: 
