LPS25H Datasheet, PDF (34/45 Pages) STMicroelectronics – Embedded temperature compensation

Register description
LPS25H
7.17 TEMP_OUT_H
Temperature data (MSB)
15
TOUT14
14
TOUT14
13
TOUT13
12
TOUT12
11
TOUT11
10
TOUT10
9
TOUT9
8
TOUT8
Address:
2Ch (R)
Description:
The TEMP_OUT_H register contains the high part of the temperature output
value.(See description TEMP_OUT_L).
[15:8] TOUT15 - TOUT8: Pressure data
7.18 FIFO_CTRL
FIFO control
7
F_MODE2
6
F_MODE1
5
F_MODE1
4
3
2
1
0
WTM_POIN WTM_POIN WTM_POIN WTM_POIN WTM_POIN
T4
T3
T2
T1
T0
Address:
2Eh (R/W)
Reset:
00h
Description:
The FIFO_CTRL registers allows to control the FIFO functionality.
[7:5] F_MODE2-0: FIFO mode selection.See Table 22.
[4:0] WTM_POINT4-0 : FIFO threshold.Watermark level setting. See Table 23.
Table 20. FIFO mode selection
F_MODE2 F_MODE1 F_MODE0
FIFO mode
0
0
0
BYPASS MODE
0
0
1
FIFO MODE. Stops collecting data when full
0
1
0
STREAM MODE: Keep the newest measurements in the FIFO
0
1
1
STREAM MODE until trigger deasserted, then change to FIFO MODE
1
0
0
BYPASS MODE until trigger deasserted, then change to STREAM MODE
1
0
1
Reserved for future use
1
1
0
FIFO_MEAN MODE: FIFO is used to generate a running average filtered
pressure
1
1
1
BYPASS mode until trigger deasserted, then change to FIFO MODE
FIFO_MEAN_MODE: The FIFO can be used for implementing a HW moving average on the
pressure measurements. The number of samples of the moving average can be 2, 4, 8, 16
or 32 samples, by selecting the watermark levels as per Table 21. Different configuration are
not guaranteed.
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