DS1621 PDF

DESCRIPTION. The DS digital thermometer and thermostat pro- vides 9–bit temperature readings which indicate the temperature of the device. It uses the Dallas DS Digital Thermometer and Thermostat chip. The DS measures temperatures from ° to +° in ° steps and doesn’t need. Buy Maxim DS, Temperature Sensor DS Browse our latest temperature-sensors-humidity-sensors offers. Free Next Day Delivery.

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Can somebody explain to me further the interest of having those pins?

Temperature sensor DS

Sign up using Email and Password. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Here is a picture of I 2 C ‘s message frame. Null ds6121, 10 22 I just bought a ds temperature sensor and started reading its datasheet.

Basically, if you have several DS devices, you can set the hardware address for each and exclusively read up to 8 devices. Ds161 are used by the master device to select which of eight devices are to be accessed.

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Maxim DS1621, Temperature Sensor

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The control byte consists of a 4-bit control code; for the DS, this is set as binary for read and write operations. Bence Kaulics 5, 10 22 What are the address input pins used for in ds? ChiPlusPlus 1 1 Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Upon receiving the code and appropriate device select ds161, the slave device outputs an acknowledge signal on the SDA line. As you can see there is a Slave Address field which is 7 bit long.

Your device uses I 2 Cor often called 2-wire serial communication. Post as a guest Name.

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I found out that it have 3 pins A0,A1,A2 which as specified in the datasheet are chip address input. These bits are in effect the 3 least significant bits of the slave address. Sign up or log in Sign up using Google. Home Questions Tags Users Unanswered. Here’s what the data sheet says: Andy aka k 10 In this communication protocol the master selects a slave by sending its address to the bus, and the specific slave identifies itself by this address.

The one below is set to have address This is the address you set as it is described in the datasheet and in Andy aka ‘s answer. A little addition to Andy aka ‘s answer. The next 3 bits of the control byte are the device select bits A2, A1, A0.