Datasheet

This device contains a 32-byte register file that is powered in all power modes.
Also, it retains contents during low power modes and is reset only during a
power-on reset.
2.1.5 Reset and boot
The following table lists all the reset sources supported by this device.
NOTE
In the following table, Y means the specific module, except
for the registers, bits or conditions mentioned in the
footnote, is reset by the corresponding Reset source. N
means the specific module is not reset by the corresponding
Reset source.
Table 3. Reset source
Reset
sources
Descriptions Modules
PMC SIM SMC RCM LLWU Reset
pin is
negated
RTC
1
LPTMR Other
s
POR reset Power-on reset (POR) Y Y Y Y Y Y N Y Y
System reset Low leakage wakeup
(LLWU) reset
N Y
2
N Y N Y
3
N N Y
External pin reset (RESET) Y Y
2
Y
4
Y Y Y N N Y
Computer operating
properly (COP) watchdog
reset
Y Y
2
Y
4
Y
5
Y Y N N Y
Stop mode acknowledge
error (SACKERR)
Y Y
2
Y
4
Y
5
Y Y N N Y
Software reset (SW) Y Y
2
Y
4
Y
5
Y Y N N Y
Lockup reset (LOCKUP) Y Y
2
Y
4
Y
5
Y Y N N Y
MDM DAP system reset Y Y
2
Y
4
Y
5
Y Y N N Y
Debug reset Debug reset Y Y
2
Y
4
Y
5
Y Y N N Y
1. The VBAT POR asserts on a VBAT POR reset source. It affects only the modules withinthe VBAT power domain: RTC
and VBAT Register File. These modules are notaffected by the other reset types.
2. Except SIM_SOPT1
3. Only if RESET is used to wake from VLLS mode.
4. Except SMC_PMCTRL, SMC_STOPCTRL, SMC_PMSTAT
5. Except RCM_RPFC, RCM_RPFW, RCM_FM
Overview
Kinetis KL82 Microcontroller, Rev. 3, 08/2016
9
NXP Semiconductors