FS26 datasheet(38/156 Pages) NXP

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NXP Semiconductors

FS26

Safety system basis chip with low power for ASIL D/ASIL B

Bit

Symbol

Description

Main state machine availability

Not available (the main state machine is not in normal mode)

Available and able to respond (the main state machine is in normal mode)

M_AVAL

Reset on power-on reset (POR_M)

Fail-safe state machine status

Fail-safe state machine is not available.

Fail-safe state machine is available and able to respond

FS_EN

Reset on power-on reset (POR_M)

Event notification from the fail-safe domain

No event reported in the fail-safe domain

Event reported in the fail-safe domain

Reset on power-on reset (POR_M), cleared when all individual bits are cleared

FS_G

Flags Reporting: VPRE_OV, VPRE_UV, CORE_OV, CORE_UV, LDO1_OV, LDO1_UV,

LDO2_OV, LDO2_UV, TRK1_OV, TRK1_UV, TRK2_OV, TRK2_UV, REF_OV, REF_UV,

EXT_OV, EXT_UV,

BAD_WD_DATA, BAD_WD_TIMING, FCCU12, FCCU1, FCCU2, ERRMON, ABIST1_PASS,

ABIST2_PASS, LBIST_STATUS[1:0]

Event notification from the M_COM_FLG

No event reported in M_COM_FLG

Event reported in the M_COM_FLG

Reset on power-on reset (POR_M), cleared when all individual bits are cleared

Source Register: M_COM_FLG

COM_G

Flags Reporting: MSPI_CRC_I, MSPI_CLK_I, MSPI_REQ_I

Event notification from the M_WIO_FLG register

No event reported ino M_WIO_FLG register

Event reported in the M_WIO_FLG register

Reset on power-on reset (POR_M), cleared when all individual bits are cleared

Source Register: M_WIO_FLG

WIO_G

Flags Reporting: WUEVENT[3:0], LDT_I, GPIO2_I, GPIO1_I, WK2_I, WK1_I

Event notification from the M_VSUP_FLG register

No event reported in M_VSUP_FLG register

Event reported in the M_VSUP_FLG register

Reset on power-on reset (POR_M), cleared when all individual bits are cleared

Source Register: M_VSUP_FLG

VSUP_G

Flags Reporting: VBOSUVH_I, VSUPOV_I, VSUPUV6_I, VSUPUVH_I

Event notification from the M_REG_FLG register

REG_G

No event reported in M_REG_FLG register

Table 12. MISO general device status bit descriptions

FS26_SDS

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Product short data sheet

Rev. 6.0 — 12 December 2025

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