Datasheet > DS1721

DS1721

更新时间： 2023-12-20 18:45:51

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
17页	257K
描述
数字温度计和温度监控器

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中文翻译

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数据手册

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DS1721 数据手册

DS1721

Stop Convert T [22h]

This command stops temperature conversion. No further data is required. This command may be used to

halt a DS1721 in continuous conversion mode. After issuing this command, the current temperature

measurement will be completed, stored and the DS1721 will remain idle until a Start Convert T is issued

to resume conversions.

DS1721 COMMAND SET Table 4

2-WIRE BUS DATA

INSTRUCTION

DESCRIPTION

PROTOCOL

AFTER ISSUING

PROTOCOL

NOTES

Access

Writes to/Reads from 8-bit

ACh

A1h

A2h

1 data byte

Configuration

configuration/status register

Writes to/Reads from

12-bit TH register

Access TH

1 or 2 data bytes

1, 3

Writes to/Reads from

12-bit TL register

Access TL

CONVERSION COMMANDS

Initiates temperature

Start Convert T

Stop Convert T

51h

idle

conversion

Terminates continuous

conversions

22h

Read

Reads 12-bit

AAh

Read 1 or 2 data bytes

Temperature

Temperature register

NOTES:

1. Data direction depends upon R/ W bit in the 2-wire control byte.

2. In continuous conversion mode, a Stop Convert T command will halt continuous conversion. To

restart, the Start Convert T command must be issued. In one-shot mode, a Start Convert T command

must be issued for every temperature reading desired.

3. If the user only desires 8-bit thermometer readings, the master need only read 1 data byte and follow

with a NACK and STOP. If higher resolution is required, 2 bytes must be read.

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1...8 9 101112 13 14...17

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