LPS33HW datasheet(43/50 Pages) STMICROELECTRONICS

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LPS33HW

8.17

STATUS (27h)

Status register

This register is updated every ODR cycle.

8.18

PRESS_OUT_XL (28h)

Pressure output value (LSB)

The pressure output value is 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 (18h, 19h)*.

Please refer to Section 3.4: Interpreting pressure readings for additional info.

*DIFF_EN = '0', AUTOZERO = '0', AUTORIFP = '0'

54321

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 one)

P_OR

Pressure data overrun.

(0: no overrun has occurred;

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

T_DA

Temperature data available.

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

1: new data for temperature is available)

P_DA

Pressure data available.

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

1: new data for pressure is available)

54321

POUT7

POUT6

POUT5

POUT4

POUT3

POUT2

POUT1

POUT0

POUT[7:0]

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

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