DS1620SSLASHT&R datasheet(9/12 Pages) MAXIM

Part #	DS1620S/T&R

Description	Digital Thermometer and Thermostat

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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9 / 12 page

DS1620

FUNCTION EXAMPLE

Example: CPU sets up DS1620 for continuous conversion and thermostatic function.

CPU MODE

DS1620 MODE

(3-WIRE)

DATA (LSB FIRST)

COMMENTS

0Ch

CPU issues Write Config command

00h

CPU sets DS1620 up for continuous

conversion

Toggle RST

CPU issues Reset to DS1620

01h

CPU issues Write TH command

0050h

CPU sends data for TH limit of +40˚C

Toggle RST

CPU issues Reset to DS1620

02h

CPU issues Write TL command

0014h

CPU sends data for TL limit of +10˚C

Toggle RST

CPU issues Reset to DS1620

A1h

CPU issues Read TH command

0050h

DS1620 sends back stored value of TH for

CPU to verify

Toggle RST

CPU issues Reset to DS1620

A2h

CPU issues Read TL command

0014h

DS1620 sends back stored value of TL for

CPU to verify

Toggle RST

CPU issues Reset to DS1620

EEh

CPU issues Start Convert T command

Drop RST

CPU issues Reset to DS1620

READ DATA TRANSFER Figure 4

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DS1620S/T&R Datasheet(PDF) 9 Page - Maxim Integrated Products

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