LPS22HH datasheet(49/59 Pages) STMICROELECTRONICS

部件名	LPS22HH

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

PDF	59 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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49 / 59 page

DocID030890 Rev 2

49/59

LPS22HH

9.10

FIFO_WTM (14h)

FIFO threshold setting register (R/W)

9.11

REF_P_L (15h)

Reference pressure LSB data (R)

The Reference pressure value is 16-bit data and it is composed of REF_P_H (16h) and

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

The reference pressure value is stored and used when the AUTOZERO or AUTOREFP

function is enabled. Please refer to the INTERRUPT_CFG (0Bh) register description.

9.12

REF_P_H (16h)

Reference pressure MSB data (R)

7654

WTM6

WTM5

WTM4

WTM3

WTM2

WTM1

WTM0

WTM[6:0]

FIFO threshold. Watermark level setting. Default value: 0000000

76543210

REFL7

REFL6

REFL5

REFL4

REFL3

REFL2

REFL1

REFL0

REFL[7:0]

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

Default value: 00000000

76543210

REFL15

REFL14

REFL13

REFL12

REFL11

REFL10

REFL9

REFL8

REFL[15:8] This register contains the high part of the reference pressure value.

Default value: 00000000

LPS22HH 数据表(PDF) 49 Page - STMicroelectronics

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