9.2

Enable sequence for freerun mode

The following sequence must be used to enable freerun mode:

1.

Write 02h to register 0Ch [software reset]

2.

Write 00h to register 0Ch [software reset]

3.

Set the FREERUN bit in CTRL (04h) register [send freerun command]

Note: After device power-on, wait at least 12 ms before accessing the register interface.

Freerun

Conversion

Readout

Conversion

Readout

Soft

Reset

Reset procedure is required only when enabling FREERUN mode

Command

9.3

Enable sequence for low-ODR mode

The following sequence must be used to enable low-ODR mode:

1.

Write 42h to register 0Ch [software reset]

2.

Write 40h to register 0Ch [software reset]

3.

Set the LOW_ODR_START bit in the CTRL (04h) register [send low-ODR command]

Note: After device power-on, wait at least 12 ms before accessing the register interface.

Note: Accuracy is not guaranteed in this operating mode.

Command

Low-ODR

Conversion

Readout

Conversion

Readout

Device in

power-down

Soft

Reset

Reset procedure is required only when enabling LOW-ODR mode

STTS22H

Enable sequence for freerun mode

DS12606 - Rev 4

page 19/29