NXP Semiconductors K22F series - Page 191

• OFF = Modules are powered off; module is in reset state upon wakeup. For clocks,
OFF means disabled.
• wakeup = Modules can serve as a wakeup source for the chip.
Table 7-2. Module operation in low power modes
Modules VLPR VLPW Stop VLPS LLSx VLLSx
Core modules
NVIC FF FF static static static OFF
System modules
Mode Controller FF FF FF FF FF FF
LLWU
1
static static static static FF FF
2
Regulator low power low power ON low power low power low power in
VLLS2/3, OFF in
VLLS0/1
LVD disabled disabled ON disabled disabled disabled
Brown-out
Detection
ON ON ON ON ON ON in
VLLS1/2/3,
optionally
disabled in
VLLS0
3
DMA FF
Async operation
in CPO
FF Async operation Async operation static OFF
Watchdog FF FF FF FF static OFF
EWM FF
static in CPO
static static
FF in PSTOP2
static static OFF
Clocks
1kHz LPO ON ON ON ON ON ON in
VLLS1/2/3, OFF
in VLLS0
System
oscillator (OSC)
OSCERCLK
max of 16 MHz
crystal
OSCERCLK
max of 16 MHz
crystal
OSCERCLK
optional
OSCERCLK
max of 16 MHz
crystal
limited to low
range/low power
limited to low
range/low power
in VLLS1/2/3,
OFF in VLLS0
MCG 4 MHz IRC 4 MHz IRC static -
MCGIRCLK
optional ; PLL
optionally on but
gated
static -
MCGIRCLK
optional (4 MHz
IRC only).
static - no clock
output
OFF
Core clock 4 MHz max OFF OFF OFF OFF OFF
Platform clock 4 MHz max 4 MHz max OFF OFF OFF OFF
System clock 4 MHz max
OFF in CPO
4 MHz max OFF OFF OFF OFF
Bus clock 4 MHz max
OFF in CPO
4 MHz max OFF
50 MHz max in
PSTOP2 from
RUN
OFF OFF OFF
Table continues on the next page...
Chapter 7 Power Management
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 191