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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
SYS_DPLL.SYS_DPLL_LOCK_1
Phase lock monitor duration.
SYS_DPLL.SYS_DPLL_LOCK_2
Frequency lock threshold.
SYS_DPLL.SYS_DPLL_LOCK_0 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
PHASE_UNIT[7:6]
R/W
0
Phase lock threshold unit.
0 = 1 ns
1 = 10 ns
2 = 100 ns
3 = 1 us
PHASE_LOCK_MAX_ERR
OR[5:0]
R/W
0
Phase lock threshold value.
If 0, then Fractional Frequency Offset check is disabled.
Table 226: SYS_DPLL.SYS_DPLL_LOCK_1 Bit Field Locations and Descriptions
Offset
Address
(Hex)
SYS_DPLL.SYS_DPLL_LOCK_1 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
004h
PHASE_MON_DUR[7:0]
SYS_DPLL.SYS_DPLL_LOCK_1 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
PHASE_MON_DUR[7:0]
R/W
0
Duration of phase error monitoring before lock is declared, in seconds.
0 means 4000 microseconds.
Table 227: SYS_DPLL.SYS_DPLL_LOCK_2 Bit Field Locations and Descriptions
Offset
Address
(Hex)
SYS_DPLL.SYS_DPLL_LOCK_2 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
005h
FFO_UNIT[7:6]
FFO_LOCK_MAX_ERROR[5:0]