AD9544SLASHPCBZ datasheet(35/62 Pages) AD

Part #	AD9544/PCBZ

Description	Quad Input, 10-Output, Dual DPLL, 1 pps Synchronizer and Jitter Cleaner

PDF	62 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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35 / 62 page

Data Sheet

AD9544

Rev. 0 | Page 35 of 62

INITIALIZATION SEQUENCE

Figure 43, Figure 44, and Figure 45 describe the sequence for powering on and programming the AD9544.

WRITE:

ISSUE A

CHIP LEVEL RESET

(PIN OR SOFT RESET)

RST_COUNT =

RST_COUNT + 1

APPLY VDD

(ALL DOMAINS)

START

VDD

SETTLED?

REFERENCE INPUT(S)

CAN BE APPLIED

ANY TIME HEREAFTER

SUBPROCESS:

SYSTEM CLOCK

INITIALIZATION

POR: WAIT 60ms

RST_COUNT > 0

RAISE FLAG FOR

DEBUGGING

WRITE:

READ:

END

RST_COUNT = 0

YES

CHIP LEVEL

RESET LOOP

WAIT FOR POWER

SUPPLIES TO

STABILIZE

SUBPROCESS:

ANALOG PLLi

INITIALIZATION

i = 0

APLLi

ENABLED

i > 1

i = i +1

YES

SOFTWARE

GENERATED

AD9544

WRITE REGISTER

CONTENT FROM

SETUP FILE

YES

Figure 43. Programming Sequence Loop

AD9544/PCBZ Datasheet(PDF) 35 Page - Analog Devices

AD9544/PCBZ Datasheet(HTML) 35 Page - Analog Devices

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