Table of Contents
Advertisement
Chapter 6 Reset and Boot
6.2.2.8 MDM-AP system reset request
Set the System Reset Request field in the MDM-AP control register to initiate a system
reset. This is the primary method for resets via the SWD interface. The system reset is
held until this field is cleared.
Set the Core Hold Reset field in the MDM-AP control register to hold the core in reset as
the rest of the chip comes out of system reset.
6.2.3 MCU resets
A variety of resets are generated by the MCU to reset different modules.
6.2.3.1 POR Only
The POR Only reset asserts on the POR reset source only. It resets the PMC.
The POR Only reset also causes all other reset types to occur.
6.2.3.2 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).
6.2.3.3 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-Lite.
The Chip POR also causes the Chip Reset (including Early Chip Reset) to occur.
KL27 Sub-Family Reference Manual , Rev. 5, 01/2016
Freescale Semiconductor, Inc.
83
Advertisement
Table of Contents
