FXPS7115D4 datasheet(22/72 Pages) NXP

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NXP Semiconductors

FXPS7115D4

Digital absolute pressure sensor, 40 kPa to 115 kPa

"Exception handling". The sensor data included in the response is the sensor data at the falling edge of SS_B

for the sensor data request response.

7.5.3.3.1 Sensor data request command message format

MSB: bit 31; LSB: bit 0

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9

Command

Fixed bits: must = 0 0000h

8-bit CRC

C[3:0]

CRC[7:0]

Table 21. Sensor data request command message format

Bit field

Definition

C[0]

Sensor data request command = '1'

C[3:1] = SOURCEID[2:0]

Source identification code for the requested sensor data

CRC[7:0]

8-bit CRC

Table 22. Sensor data request command message bit field descriptions

7.5.3.3.2 Sensor data request response message format

MSB: bit 31; LSB: bit 0

31 30 29 28 27

26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

Command

Basic

Status

Sensor Data

Detail

Status

8-bit CRC

C[0], [3:1]

ST[1:0]

SD[11:0]

Optional SD

resolution

SF[1:0]

CRC[7:0]

Table 23. Sensor data request response message format – 12 bit data length

Bit field

Definition

C[0]

Sensor data request command = '1'

C[3:1] = SOURCEID[2:0]

Source identification code for the requested sensor data

ST[1:0]

Basic Status

SD[11:0]

Sensor data

Optional SD resolution

Optional for 16-bit Sensor data. Refer to Section 7.3.3.4.

SF[1:0]

Detailed status

CRC[7:0]

8-bit CRC

Table 24. Sensor data request response message bit field descriptions

7.5.3.4 Reserved commands

The device responds to reserved commands on the next SPI message subject to the error handling conditions

specified in Section 7.5.5 "Exception handling".

FXPS7115D4

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 6.2 — 28 June 2023

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