LPS331AP Datasheet, PDF (18/36 Pages) STMicroelectronics – MEMS pressure sensor: 260-1260 mbar absolute digital output barometer

Register description
LPS331AP
REF_P_H
24
REFL23
23
REFL22
22
REFL21
21
REFL20
Reference pressure (MSB data)
20
REFL19
19
REFL18
18
REFL17
17
REFL16
Address:
Type:
Reset:
Description:
0Ah
R/W
00h
This register contains the higher part of the reference pressure that is sum to the
sensor output pressure.
The full value is REF_P_XL & REF_P_H & REF_P_L and is represented as 2’s
complement.
[24:17] REFL23 - REFL16: Reference pressure MSB data. Default value: 00h.
RES_CONF(10h)
Pressure resolution mode
7
RFU
6
AVGT2
5
AVGT1
4
AVGT0
3
AVGP3
2
AVGP2
1
AVGP1
0
AVGP0
Address:
Type:
Reset:
Description:
10h
R/W
7Ah
AVGP3-AVGP0 allow to select the pressure internal average. AVGT2-AVGT0 allow to
select the temperature internal average.
AVGP3-AVGP0 bits can be configured as described in Table 15.
AVGT2-AVGT0 bits can be configured as described in Table 16.
Table 15. Pressure resolution configuration
AVGP3
AVGP2
AVGP1
AVGP0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
Nr. internal average
1
2
4
8
16
32
64
128
256
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Doc ID 022112 Rev 7