UM1539 datasheet(9/46 Pages) STMICROELECTRONICS

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UM1539

Getting started

Doc ID 023106 Rev 1

9/46

1.2.6

Address configuration for STTS2002 and STTS424E02 temperature

sensors

The STTS2002 and STTS424E02 are digital temperature sensors with 3 address lines.

There are 8 possible addresses for these sensors. SW2 corresponds to A0, SW3

corresponds to A1 and SW4 corresponds to A2 address lines of the sensor.

Below are the allowed addresses and their settings for these sensors:

●

Address 1 = 0x30, => SW4 = 0, SW3 = 0, SW2 = 0

●

Address 2 = 0x32, => SW4 = 0, SW3 = 0, SW2 = 1

●

Address 3 = 0x34, => SW4 = 0, SW3 = 1, SW2 = 0

●

Address 4 = 0x36, => SW4 = 0, SW3 = 1, SW2 = 1

●

Address 5 = 0x38, => SW4 = 1, SW3 = 0, SW2 = 0

●

Address 6 = 0x3A, => SW4 = 1, SW3 = 0, SW2 = 1

●

Address 7 = 0x3C, => SW4 = 1, SW3 = 1, SW2 = 0

●

Address 8 = 0x3E, => SW4 = 1, SW3 = 1, SW2 = 1

1.2.7

Address configuration for STLM20

The STLM20 is an analog temperature sensor with no address lines.

1.2.8

Address configuration for STTS751 temperature sensor

The STTS751 is available in 2 different device types:

STTS751-0

STTS751-1

Address selection for STTS751 sensor is not done by SW2/SW3/SW4 but is done using a

jumper on the connector CN5 present on the daughter card itself.

Table 3.

Switch settings for selecting different addresses of the STTS424E02

Address

line

Address

(0x3E)

Address

(0x3C)

Address

(0x3A)

Address

(0x38)

Address

(0x36)

Address

(0x34)

Address

(0x32)

Address

(0x30)

SW2 (A0)

SW3 (A1)

SW4 (A2)

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