LPS225HB datasheet(43/47 Pages) STMICROELECTRONICS

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LPS225HB

T_DA is set to 1 whenever a new temperature sample is available. T_DA is cleared when

TEMP_OUT_H (2Ch) is read.

P_DA is set to 1 whenever a new pressure sample is available. P_DA is cleared when

PRESS_OUT_H (2Ah) register is read.

8.18

PRESS_OUT_XL (28h)

Pressure data (LSB)

Address:

28h (R)

Description:

The PRESS_OUT_XL register contains the lowest part of the pressure output value,

that is, the difference between the measured pressure and the reference pressure

(REF_P registers). See AUTOZERO bit in INTERRUPT_CFG (0Bh).The full

reference pressure value is composed of PRESS_OUT_H/_L/_XL and is represented

as 2’s complement. Pressure values exceeding the operating pressure range (see

Table 3) are clipped.

[7:0] POUT7 - POUT0: Pressure data LSB

8.19

PRESS_OUT_L (29h)

Pressure data (middle byte)

Address:

29h (R)

Description:

The PRESS_OUT_L register contains the middle part of the pressure output value.

(See PRESS_OUT_XL (28h) description).

[15:8] POUT15 - POUT8: Pressure data

543

POUT7

POUT6

POUT5

POUT4

POUT3

POUT2

POUT1

POUT0

POUT15

POUT14

POUT13

POUT12

POUT11

POUT10

POUT9

POUT8

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