NXP Semiconductors MKW01Z128, Reference Manual

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4.2.3.1 POR Only
The POR Only reset asserts on the POR reset source only. It resets the PMC and RTC.
The POR Only reset also causes all other reset types to occur.
4.2.3.2 Chip POR not VLLS
The Chip POR not VLLS reset asserts on POR and LVD reset sources. It resets parts of
the SMC and SIM. It also resets the LPTMR.
The Chip POR not VLLS reset also causes these resets to occur: Chip POR, Chip Reset
not VLLS, and Chip Reset (including Early Chip Reset).
4.2.3.3 Chip POR
The Chip POR asserts on POR, LVD, and VLLS Wakeup reset sources. It resets the
Reset Pin Filter registers and parts of the SIM and MCG.
The Chip POR also causes the Chip Reset (including Early Chip Reset) to occur.
4.2.3.4 Chip Reset not VLLS
The Chip Reset not VLLS reset asserts on all reset sources except a VLLS Wakeup that
does not occur via the RESET pin. It resets parts of the SMC, LLWU, and other modules
that remain powered during VLLS mode.
The Chip Reset not VLLS reset also causes the Chip Reset (including Early Chip Reset)
to occur.
4.2.3.5 Early Chip Reset
The Early Chip Reset asserts on all reset sources. It resets only the flash memory module.
It negates before flash memory initialization begins ("earlier" than when the Chip Reset
negates).
Reset
MKW01Z128 MCU Reference Manual, Rev. 3, 04/2016
108 Freescale Semiconductor, Inc.