ACS8514 Semtech Corporation, ACS8514 Datasheet - Page 31

• Manufacturer Part Number: ACS8514
• Description: Synchronous Equipment Timing Source Partner IC for 2nd T4 Dpll, Accurate Monitoring & Input Extender
• Manufacturer: Semtech Corporation

Revision 3.00 April 2007 © Semtech Corp.
RO = Read Only
R/W = Read/Write
cnfg_averager_modes. (R/W)
cnfg_DPLL_freq_limit. (R/W [7:0]
cnfg_interrupt_mask. (R/W) [7:0] 43
cnfg_freq_divn. (R/W)
cnfg_monitors. (R/W)
cnfg_freq_mon_threshold. (R/W)
cnfg_current_freq_mon_threshold.
cnfg_registers_source_select
sts_freq_measurement. (R/W)
cnfg_DPLL_soft_limit. (R/W)
cnfg_upper_threshold_0. (R/W)
cnfg_lower_threshold_0. (R/W)
cnfg_bucket_size_0. (R/W)
cnfg_decay_rate_0. (R/W)
cnfg_upper_threshold_1. (R/W)
cnfg_lower_threshold_1. (R/W)
cnfg_bucket_size_1. (R/W)
cnfg_decay_rate_1. (R/W)
cnfg_upper_threshold_2. (R/W)
cnfg_lower_threshold_2. (R/W)
cnfg_bucket_size_2. (R/W)
cnfg_decay_rate_2. (R/W)
cnfg_upper_threshold_3. (R/W)
cnfg_lower_threshold_3. (R/W)
cnfg_bucket_size_3. (R/W)
cnfg_decay_rate_3. (R/W)
cnfg_output_enab
cnfg_T4_DPLL_frequency. (R/W)
cnfg_T4_meas_phase (R/W)
cnfg_T4_DPLL_bw. (R/W)
cnfg_Mon_DPLL_bw (R/W)
cnfg_T4_DPLL_damping. (R/W)
cnfg_Mon_DPLL_damping. (R/W) 6B
cnfg_phase_loss_fine_limit (R/W) 73
cnfg_phase_loss_coarse_limit.
cnfg_phasemon. (R/W)
sts_current_phase. (RO)
cnfg_interrupt. (R/W)
cnfg_protection.(R/W)
cnfg_uPsel. (R/W)
ADVANCED COMMS & SENSING
Register Name
[23:16] 45
[15:8]. 78
(R/W)
(R/W)
(R/W)
[15:8] 44
[13:8] 47
[7:0].
[7:0]
[9:8] 42
40
41
46
48
49
4A
4B
4C
4D
50
51
52
53
54
55
56
57
58
59
5A
5B
5C
5D
5E
5F
60
61
62
63
64
65
66
67
6A
74
76
77
7D
7E
7F
88
76
00
00
00
00
FF
3F
05
23
23
00
00
8E
06
04
08
01
06
04
08
01
06
04
08
01
06
04
08
01
85
86
8A
F6
01
01
00
0B
13
13
A2
85
06
00
00
02
85
02*
not masked
Coarse limit
I8 interrupt
Input noise
MonDPLL_
Phase loss
Phase loss
T4_meas_
averaging
freq_lim_
Fine limit
7 (MSB)
Set to 0
Set to 1
ph_loss
Set to 0
window
enable
enable
enable
freq_
state
phas
current_soft_frequency_alarm_threshold [3:0]
soft_frequency_alarm_threshold [3:0]
fast_averaging
I7 interrupt not
Mon_ref_failed
Auto_squelch_
No activity for
los_flag_on_
Wide range
phase loss
T4_status
masked
Set to 0
Set to 0
Set to 0
Set to 0
enable
TDO
T4
6
AMI_op_duty
I14 interrupt
Enable Multi
not masked
not masked
Phase resp.
I6 interrupt
Page 31
FINAL
Set to 1
Set to 0
TO1_en
Set to 0
Set to 0
Set to 1
Test bit
5
Configuration 0: Activity alarm reset threshold [7:0]
Configuration 1: Activity alarm reset threshold [7:0]
Configuration 2: Activity alarm reset threshold [7:0]
Configuration 3: Activity alarm reset threshold [7:0]
Configuration 0: Activity alarm set threshold [7:0]
Configuration 1: Activity alarm set threshold [7:0]
Configuration 2: Activity alarm set threshold [7:0]
Configuration 3: Activity alarm set threshold [7:0]
Configuration 0: Activity alarm bucket size [7:0]
Configuration 1: Activity alarm bucket size [7:0]
Configuration 2: Activity alarm bucket size [7:0]
Configuration 3: Activity alarm bucket size [7:0]
DPLL_soft_limit_value[6:0] Resolution = 0.628 ppm
I13 interrupt
not masked
not masked
T4orMon_s
freq_measurement_value [7:0]
I5 interrupt
T4_inputs_
SONSDH
Set to 0
Set to 0
DPLL_freq_limit_value[7:0]
TO2_en
Set to 1
Set to 1
T4_op_
failed
elect
4
current_phase[15:8]
current_phase[7:0]
protection_value
Set all bits to 0
Data Bit
I4 interrupt not
I12 interrupt
not masked
AMI2_Viol
Set to 1
masked
Set to 0
Set to 0
3
divn_value [7:0]
divn_value [13:8]
current_hard_frequency_alarm_threshold [3:0]
ACS8514 SETS Buddy
frequency_measurement_channel_select
Phase loss coarse limit in UI pk-pk [3:0]
hard_frequency_alarm_threshold [3:0]
GPO interrupt
I11 interrupt
Microprocessor type (*Default value depends
not masked
not masked
I3 interrupt
AMI2_LOS
Monitor_DPLL_bandwidth
Set to 0
Set to 0
Set to 0
enable
2
average_frequency_value[18:16]
(with Registers 3E and 3F above)
on value on UPSEL[2:0] pins)
phase_loss_fine_limit [2:0]
Mon_DPLL_damping
T4_DPLL_Enable
freq_monitor_
I10 interrupt
T4_damping
not masked
not masked
soft_enable
I2 interrupt
DPLL_freq_limit_value[9:8]
AMI1_Viol
T4_DPLL_bandwidth [1:0]
Interrupt
Set to 0
Set to 0
tristate
enable
Cfg 0:decay_rate [1:0]
Cfg 1:decay_rate [1:0]
Cfg 2:decay_rate [1:0]
Cfg 3:decay_rate [1:0]
1
DATASHEET
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freq_monitor_
hard_enable
not masked
not masked
I1 interrupt
I9 interrupt
AMI1_LOS
Interrupt
Set to 0
Set to 1
0 (LSB)
polarity
enable