LPS22HB datasheet(41/49 Pages) STMICROELECTRONICS

部件名	LPS22HB

功能描述	MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer

PDF	49 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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41 / 49 page

DocID027083 Rev 5

41/49

LPS22HB

9.8

FIFO_CTRL (14h)

FIFO control register

9.9

REF_P_XL (15h)

Reference pressure (LSB data)

The Reference pressure value is a 24-bit data and it is composed of REF_P_H (17h),

REF_P_L (16h) and REF_P_XL (15h). The value is expressed as 2’s complement.

The reference pressure value is used when AUTOZERO or AUTORIFP function is enabled.

Please refer to INTERRUPT_CFG (0Bh) register description.

76543210

F_MODE2

F_MODE1

F_MODE0

WTM4

WTM3

WTM2

WTM1

WTM0

F_MODE[2:0] FIFO mode selection. Default value: 000

Refer to Table 20 and Section 5 for additional details.

WTM[4:0]

FIFO watermark level selection.

Table 20. FIFO mode selection

F_MODE2 F_MODE1

F_MODE0

FIFO mode selection

Bypass mode

FIFO mode

Stream mode

Stream-to-FIFO mode

Bypass-to-Stream mode

Reserved

Dynamic-Stream mode

Bypass-to-FIFO mode

76543210

REFL7

REFL6

REFL5

REFL4

REFL3

REFL2

REFL1

REFL0

REFL[7:0]

This register contains the low part of the reference pressure value.

LPS22HB 数据表(PDF) 41 Page - STMicroelectronics

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