ILPS28QSW datasheet(28/52 Pages) STMICROELECTRONICS

28 / 52 page

The following table provides a quick overview of the 8-bit registers embedded in the device.

Table 20. Registers address map

Name

Type

Default

Function and comment

Hex

Reserved

00 – 0A

Reserved

INTERRUPT_CFG

R/W

00h

Interrupt register

THS_P_L

R/W

00h

Pressure threshold registers

THS_P_H

R/W

00h

IF_CTRL

R/W

00h

Interface control register

WHO_AM_I

B4h

Who am I

CTRL_REG1

R/W

00h

Control registers

CTRL_REG2

R/W

00h

CTRL_REG3

R/W

01h

Reserved

FIFO_CTRL

R/W

00h

FIFO configuration registers

FIFO_WTM

R/W

00h

REF_P_L

00h

Reference pressure registers

REF_P_H

00h

Reserved

I3C_IF_CTRL

R/W

80h

Interface configuration register

RPDS_L

R/W

00h

Pressure offset registers

RPDS_H

R/W

00h

Reserved

1C-23

Reserved

INT_SOURCE

Output

Interrupt register

FIFO_STATUS1

Output

FIFO status registers

FIFO_STATUS2

Output

STATUS

Output

Status register

PRESSURE_OUT_XL

Output

Pressure output registers

Qvar output registers

PRESSURE_OUT_L

Output

PRESSURE_OUT_H

Output

TEMP_OUT_L

Output

Temperature output registers

TEMP_OUT_H

Output

Reserved

2D - 77

Reserved

FIFO_DATA_OUT_PRESS_XL

Output

FIFO pressure output registers

FIFO Qvar output registers

FIFO_DATA_OUT_PRESS_L

Output

FIFO_DATA_OUT_PRESS_H

Output

Reserved registers must not be changed. Writing to those registers may cause permanent damage to the device.

To guarantee the proper behavior of the device, all register addresses not listed in the above table must not be

accessed and the content stored in those registers must not be changed.

The content of the registers that are loaded at boot should not be changed. They contain the factory calibration

values. Their content is automatically restored when the device is powered up.

ILPS28QSW

DS13905 - Rev 1

page 28/52

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