NXP Semiconductors Kinetis KE1xZ256, Reference Manual

Page: 557 / 1325

• 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 24-4. Module operation in low power modes
Modules VLPR VLPW Stop VLPS
Core modules
NVIC FF FF static static
System modules
System Mode
Controller FF FF FF FF
Regulator low power low power low power low power
LVD/LVR disabled (LVR active
only)
disabled (LVR active
only)
disabled (LVR active
only)
disabled (LVR active
only)
POR (Brown-out
Detection) FF FF FF FF
DMA FF
Async operation in CPO
FF Async operation Async operation
Watchdog FF FF FF FF
EWM FF
static in CPO
static static
FF in PSTOP2
static
Clocks
128 kHz LPO FF FF FF FF
System oscillator
(SOSC) SOSC_CLK optional
ON
SOSC_CLK optional
ON
SOSC_CLK optional
ON
SOSC_CLK optional
ON
32 kHz oscillator
(OSC32) Optional ON Optional ON Optional ON Optional ON
SCG SOSC, SIRC, FIRC,
LPFLL optional ON
SOSC, SIRC, FIRC,
LPFLL optional ON
SOSC, SIRC, FIRC
optional ON
SOSC, SIRC, FIRC
optional ON
Core clock 4 MHz max OFF OFF OFF
System clock 4 MHz max
OFF in CPO
4 MHz max OFF OFF
Bus clock 4 MHz max
OFF in CPO
4 MHz max OFF
FF in PSTOP2
OFF
Memory and memory interfaces
Flash 1 MHz max access - no
program/erase
No register access in
CPO
low power low power low power
System RAM (SRAM_U
and SRAM_L) low power
1
low power low power low power
FlexMemory low power
2
low power low power low power
Communication interfaces
LPUART FF FF Async operation Async operation
Table continues on the next page...
Chapter 24 Power Management
Kinetis KE1xZ256 Sub-Family Reference Manual, Rev. 3, 07/2018
NXP Semiconductors 557