ACS8520 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'ACS8520' PDF : 150 Pages View PDF
ACS8520 SETS
ADVANCED COMMUNICATIONS
Table 30 Register Map
FINAL
DATASHEET
Register Name
Data Bit
RO = Read Only
R/W = Read/Write
7 (MSB)
6
5
4
3
2
1
0 (LSB)
chip_id (RO)
00 48
Device part number [7:0] 8 least significant bits of the chip ID
01 21
Device part number [15:8] 8 most significant bits of the chip ID
chip_revision (RO)
02 00
Chip revision number [7:0]
test_register1 (R/W)
03 14 phase_alarm disable_180
resync_
analog
Set to 0
8K edge
polarity
Set to zero
Set to zero
sts_interrupts (R/W)
05 FF I8 valid
change
I7 valid
change
I6 valid
change
I5 valid
change
I4 valid
change
I3 valid
change
I2 valid
change
I1 valid
change
06 3F operating_
mode
main_ref_
failed
I14 valid
change
I13 valid
change
I12 valid
change
I11 valid
change
I10 valid
change
I9 valid
change
sts_current_DPLL_frequency, see 07 00
OC/OD
Bits [18:16] of current DPLL frequency
sts_interrupts (R/W)
08 50 Sync_ip_alarm T4_status
T4_inputs_
failed
AMI2_Viol
AMI2_LOS
AMI1_Viol
AMI1_LOS
sts_operating (RO)
09 41 SYNC2K_
alarm
T4_DPLL_lock TO_DPLL_freq T4_DPLL_freq
_soft_alarm _soft_alarm
T0_DPLL_operating_mode
sts_priority_table (RO)
0A 00
0B 00
Highest priority validated source
3rd highest priority validated source
Currently selected source
2nd highest priority validated source
sts_current_DPLL_frequency [7:0] 0C 00
Bits [7:0] of current DPLL frequency
(RO)
[15:8] 0D 00
Bits [15:8] of current DPLL frequency
[18:16] 07 00
Bits [18:16] of current DPLL frequency
sts_sources_valid (RO)
0E 00 I8
I7
I6
I5
I4
I3
I2
I1
0F 00
I14
I13
I12
I11
I10
I9
sts_reference_sources (RO)
Status of inputs:
Out-of-band
alarm (soft)
Out-of-band No activity
alarm (hard) alarm
Phase lock
alarm
Out-of-band
alarm (soft)
Out-of band No activity
alarm (hard) alarm
Phase lock
alarm
Input pairs (1 & 2) 10 66
Status of I2 Input
Status of I1 Input
(3 & 4) 11 66
Status of I4 Input
Status of I3 Input
(5 & 6) 12 66
Status of I6 Input
Status of I5 Input
(7 & 8) 13 66
Status of I8 Input
Status of I7 Input
(9 & 10) 14 66
Status of I10 Input
Status of I9 Input
(11 & 12) 15 66
Status of I12 Input
Status of I11 Input
(13 & 14) 16 66
Status of I14 Input
Status of I13 Input
cnfg_ref_selection_priority (1 & 2) 18 32
programmed_priority I2
programmed_priority I1
(R/W)
(3 & 4) 19 54
programmed_priority I4
programmed_priority I3
(5 & 6) 1A 76
programmed_priority I6
programmed_priority I5
(7 & 8) 1B 98
programmed_priority I8
programmed_priority I7
(9 & 10) 1C BA
programmed_priority I10
programmed_priority I9
(11 & 12) 1D DC
programmed_priority I12
programmed_priority I11
(13 & 14) 1E FE
programmed_priority I14
programmed_priority I13
cnfg_ref_source_frequency_ _1 20 00
Set to zero
bucket_id_1
Set to zero
(R/W)
_2 21 00
Set to zero
bucket_id_2
Set to zero
3 22 00 divn_3
lock8k_3
bucket_id_3
reference_source_frequency_3
4 23 00 divn_4
lock8k_4
bucket_id_4
reference_source_frequency_4
5 24 03 divn_5
lock8k_5
bucket_id_5
reference_source_frequency_5
6 25 03 divn_6
lock8k_6
bucket_id_6
reference_source_frequency_6
7 26 03 divn_7
lock8k_7
bucket_id_7
reference_source_frequency_7
8 27 03 divn_8
lock8k_8
bucket_id_8
reference_source_frequency_8
9 28 03 divn_9
lock8k_9
bucket_id_9
reference_source_frequency_9
10 29 03 divn_10
lock8k_10
bucket_id_10
reference_source_frequency_10
11 2A 03 divn_11
lock8k_11
bucket_id_11
reference_source_frequency_11
12 2B 01 divn_12
lock8k_12
bucket_id_12
reference_source_frequency_12
13 2C 01 divn_13
14 2D 01 divn_14
lock8k_13
lock8k_14
bucket_id_13
bucket_id_14
reference_source_frequency_13
reference_source_frequency_14
cnfg_sts_remote_sources_valid
(R/W)
30 FF
31 3F
Remote status, channels <8:1>
Remote status, channels <14:9>
cnfg_operating_mode (R/W)
32 00
TO_DPLL_operating_mode
force_select_reference_source
(R/W)
33 0F
forced_reference_source
Revision 3.02/October 2005 © Semtech Corp.
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