TMP126 datasheet(21/48 Pages) TI

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R/W

Peripheral controls SIO line

Controller controls SIO line

Auto Increment

Sub-Address

CS pulled low

D15 D14 D13 D12 D11 D10 D9

Data Word

Data to Register N

D15 D14 D13 D12 D11 D10 D9

Data Word

Data to Register N+1

D15 D14 D13 D12 D11 D10 D9

Data Word

Data to Register N+2

CRC Data Block Length

CRC Enable

Don’t Care

CRC L4

Figure 8-12. Burst Data Write to Multiple Registers

8.5.2.4 Read Operations

Data is read from the TMP126-Q1 by setting the R/W bit of the command word to 1. Data can be continuously

read from a single register by setting the auto-increment bit to 0 in the command register. Figure 8-13 shows an

example of a repeated data read from a single register. Repeated temperature reads are not supported.

R/W

Peripheral controls SIO line

Controller controls SIO line

Auto Increment

Sub-Address

CS pulled low

D15 D14 D13 D12 D11 D10 D9

Data Word

Data from Register N

D15 D14 D13 D12 D11 D10 D9

Data Word

Data from Register N

D15 D14 D13 D12 D11 D10 D9

Data Word

Data from Register N

CS pulled high

CRC Data Block Length

CRC Enable

Don’t Care

CRC L4

Figure 8-13. Repeated Data Read from a Single Register

Figure 8-14 shows how setting the auto increment to 1 to can enable a read from multiple registers in a single

transaction.

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TMP126-Q1

SNIS227C – MAY 2021 – REVISED JUNE 2022

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