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An186 – Cirrus Logic AN186 User Manual

Page 10

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AN186

10

AN186REV1

C. PLL Clock with “CLKEN” on “RUN/CLKEN” pin

D. PLL Clock with “RUN” on “RUN/CLKEN” Pin

Internal RUN

Instruction fetches

WAKEUP

(

input

)

PLL

Stable clock

CLKEN

(

output

),

(

62-125us

)

(

125-250ms

)

Figure 6. Timing Diagram, PLL Clock with “CLKEN” on “RUN/CLKEN” Pin

RUN

Instruction fetches

WAKEUP

(

input

)

PLL

Stable clock

(

125-250ms

)

Figure 7. Timing Diagram, PLL Clock with “RUN” on “RUN/CLKEN” Pin