FS32K142HAT0MLHT datasheet(28/84 Pages) NXP

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Table 16. Device clock specifications 1 (continued)

Symbol

Description

Min.

Max.

Unit

fBUS

Bus clock

—

MHz

fFLASH

Flash clock

—

MHz

Normal run mode (S32K14x series) 3

fSYS

System and core clock

—

MHz

fBUS

Bus clock

—

404

MHz

fFLASH

Flash clock

—

26.67

MHz

VLPR mode5

fSYS

System and core clock

—

MHz

fBUS

Bus clock

—

MHz

fFLASH

Flash clock

—

MHz

fERCLK

External reference clock

—

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. 48 MHz when fSYS is 48 MHz

5. 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

6.2

Peripheral operating requirements and behaviors

S32K1xx Data Sheet, Rev. 9, 09/2018

NXP Semiconductors

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