LPS22DF datasheet(3/54 Pages) STMICROELECTRONICS

部件名	LPS22DF

功能描述	Low-power and high-precision MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer

PDF	54 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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3 / 54 page

Pin description

Figure 3. Pin connections (bottom view)

RES

SDA/SDI/SDO

SDO/SA0

VDD

GND

GND_IO

Table 1. Pin description

Pin number

Name

Function

Vdd_IO

Power supply for I/O pins

SCL

SPC

I²C / MIPI I3CSM serial clock (SCL)

SPI serial port clock (SPC)

RES

Connect to GND

SDA

SDI

SDI/SDO

I²C / MIPI I3CSM serial data (SDA)

4-wire SPI serial data input (SDI)

3-wire serial data input/output (SDI/SDO)

SDO

SA0

4-wire SPI serial data output (SDO)

I²C least significant bit of the device address (SA0)

MIPI I3CSM least significant bit of the static address (SA0)

Enables SPI

I²C and MIPI I3CSM / SPI mode selection

(1: SPI idle mode / I²C and MIPI I3CSM communication enabled;

0: SPI communication mode / I²C and MIPI I3CSM disabled)

INT_DRDY

Interrupt or Data-Ready

GND_IO

0 V supply

GND

0 V supply

VDD

Power supply

LPS22DF

Pin description

DS13316 - Rev 1

page 3/54

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