Datasheet

Table 14. Device clock specifications 1 (continued)
Symbol Description Min. Max. Unit
f
SYS
System and core clock — 48 MHz
f
BUS
Bus clock — 24 MHz
f
FLASH
Flash clock — 24 MHz
Normal run mode (S32K14x series)
3
f
SYS
System and core clock — 80 MHz
f
BUS
Bus clock — 40 MHz
f
FLASH
Flash clock — 26.67 MHz
VLPR mode
4
f
SYS
System and core clock — 4 MHz
f
BUS
Bus clock — 4 MHz
f
FLASH
Flash clock — 1 MHz
f
ERCLK
External reference clock — 16 MHz
1. Refer to the section Feature comparison for the availability of modes and other specifications.
2. Only available on some devices. See section Feature comparison.
3. With SPLL as system clock source.
4. The frequency limitations in VLPR mode here override any frequency specification listed in the timing specification for any
other module.
Peripheral operating requirements and behaviors
6.1
System modules
There are no electrical specifications necessary for the device's system modules.
Clock interface modules
6.2.1
External System Oscillator electrical specifications
6
6.2
Peripheral operating requirements and behaviors
S32K1xx Data Sheet, Rev. 4, 06/2017
NXP Semiconductors
Preliminary
23