K32L2AX datasheet(58/96 Pages) NXP

58 / 96 page

Table 28. Oscillator DC electrical specifications (continued)

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

Feedback resistor — high-frequency, low-

power mode (HGO=0)

—

MΩ

Feedback resistor — high-frequency, high-gain

mode (HGO=1)

—

MΩ

Series resistor — low-frequency, low-power

mode (HGO=0)

—

kΩ

Series resistor — low-frequency, high-gain

mode (HGO=1)

—

200

—

kΩ

Series resistor — high-frequency, low-power

mode (HGO=0)

—

kΩ

Series resistor — high-frequency, high-gain

mode (HGO=1)

—

kΩ

Vpp5

Peak-to-peak amplitude of oscillation (oscillator

mode) — low-frequency, low-power mode

(HGO=0)

—

0.6

—

Peak-to-peak amplitude of oscillation (oscillator

mode) — low-frequency, high-gain mode

(HGO=1)

—

VDD

—

Peak-to-peak amplitude of oscillation (oscillator

mode) — high-frequency, low-power mode

(HGO=0)

—

1.0

—

Peak-to-peak amplitude of oscillation (oscillator

mode) — high-frequency, high-gain mode

(HGO=1)

—

VDD

—

1. VDD=3.3 V, Temperature =25 °C

2. See crystal or resonator manufacturer's recommendation

3. Cx,Cy can be provided by using the integrated capacitors when the low frequency oscillator (RANGE = 00) is used. For

all other cases external capacitors must be used.

4. When low power mode is selected, RF is integrated and must not be attached externally.

5. The EXTAL and XTAL pins should only be connected to required oscillator components and must not be connected to

any other devices.

8.3.2.2 Oscillator frequency specifications

Table 29. Oscillator frequency specifications

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

fosc_lo

Oscillator crystal or resonator frequency — low-

frequency range

(SCG_SOSCCFG[RANGE]=01)

—

kHz

fosc_hi_1

Oscillator crystal or resonator frequency —

medium frequency range

(SCG_SOSCCFG[RANGE]=10)

—

MHz

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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