LPS331AP Datasheet, PDF (25/36 Pages) STMicroelectronics – MEMS pressure sensor: 260-1260 mbar absolute digital output barometer

LPS331AP
Register description
INT_SOURCE
Interrupt source
7
6
5
4
3
2
1
0
0
0
0
0
0
IA
PL
PH
Address:
24h
Type:
R
Reset:
00h
Description:
INT_SOURCE register is cleared by reading INT_ACK register.
[7:3] 0
[2] IA: Interrupt Active.
(0: no interrupt has been generated; 1: one or more interrupt events have been generated).
[1] PL: Differential pressure Low.
(0: no interrupt has been generated; 1: Low differential pressure event has occurred).
[0] PH: Differential pressure High.
(0: no interrupt has been generated; 1: High differential pressure event has occurred).
THS_P_L
Threshold pressure (LSB)
7
THS7
6
THS6
5
THS5
4
THS4
3
THS3
2
THS2
1
THS1
0
THS0
Address:
Type:
Reset:
Description:
25h
R/W
00h
This register contains the low part of threshold value for pressure interrupt
generation. The complete threshold value is given by THS_P_H & THS_P_L and is
expressed as unsigned number.
[7:0] THS7 - THS0: Threshold pressure LSB. Default value: 00h.
Doc ID 022112 Rev 7
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