LPS35HW Datasheet, PDF (39/48 Pages) STMicroelectronics – Embedded temperature compensation

LPS35HW
8.15 INT_SOURCE_25h
Register description
Interrupt source
Table 31: INT_SOURCE (25h) register
7
6
54
3
2
1
0
BOOT_STATUS
0
0
0
0
IA
PL
PH
BOOT_STATUS
IA
PL
PH
If ‘1’ indicates that the Boot (Reboot) phase is running.
Interrupt active.
(0: no interrupt has been generated;
1: one or more interrupt events have been generated).
Differential pressure Low.
(0: no interrupt has been generated;
1: Low differential pressure event has occurred).
Differential pressure High.
(0: no interrupt has been generated;
1: High differential pressure event has occurred).
8.16
FIFO_STATUS_26h
FIFO status
Table 32: FIFO_STATUS (26h) register
7
6
5
4
3
2
FTH_FIFO
OVR
FSS5
FSS4
FSS3
FSS2
1
FSS1
0
FSS0
FTH_FIFO
OVR
FSS[5:0]
FIFO threshold status.
(0: FIFO filling is lower than treshold level,
1: FIFO filling is equal or higher than treshold level).
FIFO overrun status.
(0: FIFO is not completely full;
1: FIFO is full and at least one sample in the FIFO has been overwritten).
FIFO stored data level.
(000000: FIFO empty, 100000: FIFO is full and has 32 unread samples).
Table 33: FIFO_STATUS example: OVR/FSS details
FTH OVRN FSS5 FSS4 FSS3 FSS2 FSS1 FSS0
Description
0
0
0
0
0
0
0
0 FIFO empty
-- ⁽¹⁾
0
0
0
0
0
0
1 1 unread sample
...
--⁽¹⁾
0
1
0
0
0
0
0 32 unread sample
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