LPS22DF datasheet(42/54 Pages) STMICROELECTRONICS

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9.20

STATUS (27h)

Status register (read only)

T_OR

P_OR

T_DA

P_DA

T_OR

Temperature data overrun.

(0: no overrun has occurred;

1: a new data for temperature has overwritten the previous data)

P_OR

Pressure data overrun.

(0: no overrun has occurred;

1: new data for pressure has overwritten the previous data)

T_DA

Temperature data available.

(0: new data for temperature is not yet available;

1: new temperature data is generated)

P_DA

Pressure data available.

(0: new data for pressure is not yet available;

1: new pressure data is generated)

This register is updated every ODR cycle.

9.21

PRESS_OUT_XL (28h)

Pressure output value LSB data (read only)

POUT7

POUT6

POUT5

POUT4

POUT3

POUT2

POUT1

POUT0

POUT[7:0]

This register contains the low part of the pressure output value.

The pressure output value is a 24-bit data that contains the measured pressure. It is composed of

PRESS_OUT_H (2Ah), PRESS_OUT_L (29h) and PRESS_OUT_XL (28h). The value is expressed as 2’s

complement.

The output pressure register PRESS_OUT is provided as the difference between the measured pressure and the

content of the register RPDS (1Ah, 1Bh).

Please refer to Section 4.4 Interpreting pressure readings for additional information.

9.22

PRESS_OUT_L (29h)

Pressure output value middle data (read only)

POUT15

POUT14

POUT13

POUT12

POUT11

POUT10

POUT9

POUT8

POUT[15:8]

This register contains the mid part of the pressure output value.

Refer to PRESS_OUT_XL (28h)

LPS22DF

STATUS (27h)

DS13316 - Rev 1

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