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MB15E07SL
14
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PHASE COMPARATOR OUTPUT WAVEFORM
fr
fp
LD
DO
DO
tWU tWL
Notes : • Phase error detection range: –2π to +2π
• Pulses on Do signal during locked state are output to prevent dead zone.
• LD output becomes low when phase is t
WU or more. LD output becomes high when phase error
is t
WL or less and continues to be so for three cycles or more.
• t
WU and tWL depend on OSCIN input frequency.
t
WU > 2/fosc (s) (e. g. tWU > 156.3 ns, fosc = 12.8 MHz)
t
WU < 4/fosc (s) (e. g. tWL < 312.5 ns, fosc = 12.8 MHz)
• LD becomes high during the power saving mode (PS = “L”).
[FC = “H”]
[FC = “L”]