Rainbow Electronics DS1993 User Manual

Page 18

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DS1992/DS1993/DS1994

18 of 23

102199

INITIALIZATION PROCEDURE “RESET AND PRESENCE PULSES” Figure 10

480

µ

s

≤

t

RSTL

<

∞

*

480

µ

s

≤

t

RSTH

<

∞

(includes recovery time)

15

µ

s

≤

t

PDH

<

60

µ

s

60

µ

s

≤

t

PDL

<

240

µ

s

* In order not to mask interrupt signaling by other devices on the 1-Wire bus, t

RSTL

+ t

R

should always be

less than 960

µ

s.

READ/WRITE TIMING DIAGRAM Figure 11

Write-One Time Slot

60

µ

s

≤

t

SLOT

<

120

µ

s

1

µ

s

≤

t

LOW1

<

15

µ

s

1

µ

s

≤

t

REC

<

∞

RESISTOR
MASTER
DS199x