Rainbow-electronics DS1620 Bedienungsanleitung PDF herunterladen (Seite 8)

DS1620

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DS1620 COMMAND SET Table 3

INSTRUCTION DESCRIPTION PROTOCOL

3-WIRE BUS

DATA AFTER

ISSUING

PROTOCOL NOTES

TEMPERATURE CONVERSION COMMANDS

Read Temperature Reads last converted temperature

value from temperature register.

AAh <read data>

Read Counter Reads value of count remaining

from counter.

A0h <read data>

Read Slope Reads value of the slope

accumulator.

A9h <read data>

Start Convert T Initiates temperature conversion. EEh Idle 1

Stop Convert T Halts temperature conversion. 22h Idle 1

THERMOSTAT COMMANDS

Write TH Writes high temperature limit value

into TH register.

01h <write data> 2

Write TL Writes low temperature limit value

into TL register.

02h <write data> 2

Read TH Reads stored value of high

temperature limit from TH register.

A1h <read data> 2

Read TL Reads stored value of low

temperature limit from TL register.

A2h <read data> 2

Write Config Writes configuration data to

configuration register.

0Ch <write data> 2

Read Config Reads configuration data from

configuration register.

ACh <read data> 2

NOTES:

1. 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.

2. Writing to the E

typically requires 10 ms at room temperature. After issuing a write command no

further writes should be requested for at least 10 ms.

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