DS1820S Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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Fabricante

DS1820S

1–Wire™ Digital Thermometer

Dallas Semiconductor -> Maxim Integrated 

DS1820

MEMORY FUNCTIONS FLOW CHART Figure 10 (cont’d)

48h

COPY

N

SCRATCHPAD

?

Y

N

PARASITE

Y

POWER

?

MASTER ENABLES

STRONG PULLUP FOR

10 ms

44h

CONVERT

N

TEMPERATURE

?

Y

N

PARASITE

Y

POWER

?

MASTER DISABLES

STRONG PULLUP

DS1820 BEGINS

CONVERSION

MASTER ENABLES

STRONG PULL–UP

DS1820 CONVERTS

TEMPERATURE

MASTER DISABLES

STRONG PULL–UP

MASTER TX

Y

RESET

?

N

N

MASTER

RX “1”s

NONVOLATILE

MEMORY

BUSY

?

Y

MASTER

RX “0”s

MASTER TX

Y

RESET

?

N

N

DEVICE BUSY

CONVERTING

TEMPERATURE

?

MASTER

RX “1”s

Y

MASTER

RX “0”s

030598 14/27

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