K32L2AX datasheet(57/96 Pages) NXP

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Table 27. System PLL Specifications

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

+ 1075(1/

f pll_ref )

1. Excludes any oscillator currents that are also consuming power while PLL is in operation.

2. This specification was obtained using an NXP developed PCB. PLL jitter is dependent on the noise characteristics of

each PCB and results will vary.

3. This specification applies to any time the PLL VCO divider or reference divider is changed, or changing from PLL

disabled to PLL enabled. If a crystal/resonator is being used as the reference, this specification assumes it is already

running.

8.3.2 Oscillator electrical specifications

8.3.2.1 Oscillator DC electrical specifications

Table 28. Oscillator DC electrical specifications

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

VDD

Supply voltage

1.71

—

3.6

IDDOSC

Supply current — low-power mode (HGO=0)

• 32 kHz

• 4 MHz

• 8 MHz (RANGE=01)

• 16 MHz

• 24 MHz

• 32 MHz

—

500

200

300

950

1.2

1.5

—

μA

IDDOSC

Supply current — high gain mode (HGO=1)

• 32 kHz

• 4 MHz

• 8 MHz (RANGE=01)

• 16 MHz

• 24 MHz

• 32 MHz

—

400

500

2.5

—

μA

EXTAL load capacitance

—

2, 3

XTAL load capacitance

—

2, 3

Feedback resistor — low-frequency, low-power

mode (HGO=0)

—

MΩ

2, 4

Feedback resistor — low-frequency, high-gain

mode (HGO=1)

—

MΩ

Table continues on the next page...

Peripheral operating requirements and behaviors

K32 L2A Microcontroller with 512 KB Flash and 128 KB SRAM, Rev. 3, 02/2021

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