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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
DPLL_0.DPLL_FASTLOCK_BW
Fast lock loop filter bandwidth.
DPLL_0.DPLL_WRITE_FREQ_TIMER
Write frequency timer.
DPLL_0.DPLL_FASTLOCK_FSL Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
DPLL_FASTLOCK_FSL[15
:0]
R/W
0
Unsigned 16-bit frequency slope limit in ppb/s.
Value 0 implies no frequency slope limit. Applied only on frequency snap.
Table 210: DPLL_0.DPLL_FASTLOCK_BW Bit Field Locations and Descriptions
Offset
Address
(Hex)
DPLL_0.DPLL_FASTLOCK_BW Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
02Ah
DPLL_FASTLOCK_BW[7:0]
02Bh
BW_UNIT[15:14]
DPLL_FASTLOCK_BW[13:8]
DPLL_0.DPLL_FASTLOCK_BW Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
BW_UNIT[15:14]
R/W
0
Fast lock DPLL bandwidth unit.
0 = uHz
1 = mHz
2 = Hz
3 = kHz
DPLL_FASTLOCK_BW[13:
0]
R/W
0
Unsigned 14-bit DPLL bandwidth value.
Applied only on fast acquisition stage.
Table 211: DPLL_0.DPLL_WRITE_FREQ_TIMER Bit Field Locations and Descriptions
Offset
Address
(Hex)
DPLL_0.DPLL_WRITE_FREQ_TIMER Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
02Ch
WRITE_FREQ_TIMEOUT_CNFG[7:0]
02Dh
WRITE_FREQ_TIMEOUT_CNFG[15:8]