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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
SYS_DPLL_CTRL.SYS_DPLL_PSL
System DPLL loop filter phase slope limit.
SYS_DPLL_CTRL.SYS_DPLL_PRED0_DAMPING
Predefined configuration 0 loop filter damping factor.
SYS_DPLL_CTRL.SYS_DPLL_BW Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
BW_UNIT[15:14]
R/W
0
System DPLL loop filter bandwidth unit.
0 = uHz
1 = mHz
2 = Hz
3 = kHz
SYS_DPLL_BW[13:0]
R/W
0
Unsigned 14-bit system DPLL loop filter bandwidth value.
Table 281: SYS_DPLL_CTRL.SYS_DPLL_PSL Bit Field Locations and Descriptions
Offset
Address
(Hex)
SYS_DPLL_CTRL.SYS_DPLL_PSL Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
006h
SYS_DPLL_PSL[7:0]
007h
SYS_DPLL_PSL[15:8]
SYS_DPLL_CTRL.SYS_DPLL_PSL Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
SYS_DPLL_PSL[15:0]
R/W
0
Unsigned 16-bit loop filter phase slope limit in ns/s.
Table 282: SYS_DPLL_CTRL.SYS_DPLL_PRED0_DAMPING Bit Field Locations and Descriptions
Offset
Address
(Hex)
SYS_DPLL_CTRL.SYS_DPLL_PRED0_DAMPING Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
008h
RESERVED[7:4]
DAMP_FTR[3:0]