FXPS7115D4S datasheet(53/74 Pages) NXP

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NXP Semiconductors

FXPS7115D4S

Digital absolute pressure sensor, 40 kPa to 115 kPa

Location

Bit

Address

5Fh

CRC_UF2

LOCK_UF2

CRC_UF2[3:0]

Factory Default

AFh

CRC_F_A

LOCK_F_A

REGA_BLOCKID[2:0]

CRC_F_A[3:0]

Factory Default

varies

BFh

CRC_F_B

LOCK_F_B

REGB_BLOCKID[2:0]

CRC_F_B[3:0]

Factory Default

varies

CFh

CRC_F_C

LOCK_F_C

REGC_BLOCKID[2:0]

CRC_F_C[3:0]

Factory Default

varies

DFh

CRC_F_D

LOCK_F_D

REGD_BLOCKID[2:0]

CRC_F_D[3:0]

Factory Default

varies

EFh

CRC_F_E

LOCK_F_E

REGE_BLOCKID[2:0]

CRC_F_E[3:0]

Factory Default

FFh

CRC_F_F

LOCK_F_F

REGF_BLOCKID[2:0]

CRC_F_F[3:0]

Factory Default

Table 101. Lock and CRC Register bit definitions

7.7.31 Reserved registers

A register read command to a reserved register or a register with reserved bits results in

a valid response. The data for reserved bits may be '0' or '1'.

A register write command to a reserved register or a register with reserved bits executes

and results in a valid response. The data for the reserved bits may be '0' or '1'. A write to

the reserved bits must always be '0' for normal device operation and performance.

7.7.32 Invalid register addresses

A register read command to a register address outside the addresses listed in

Section 7.6 "User-accessible data array" results in a valid response. The data for the

registers are '00h'.

A register write command to a register address outside the addresses listed in

Section 7.6 "User-accessible data array" is not executable, but results in a valid

response. The data for the registers are '00h'.

A register write command to a read-only register is not executable, but results in a valid

response. The data for the registers is the current content of the registers.

7.8 Read/write register array CRC verification

The writable registers (all registers except for the DEVLOCK_WR register) are verified by

a continuous 4-bit CRC that is calculated on the entire array once ENDINIT is set. The

CRC verification uses a generator polynomial of g(x) = X4 + X3 + 1, with a seed value =

'0000'.

8 Maximum ratings

Absolute maximum ratings are the limits that the device can be exposed to without

permanently damaging it. Absolute maximum ratings are stress ratings only; functional

FXPS7115D4S

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

Objective data sheet

Rev. 1 — 9 August 2022

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