S32K310 datasheet(97/146 Pages) NXP

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11.5 Slow Crystal Oscillator (SXOSC)

Table 40. Slow Crystal Oscillator (SXOSC)

Symbol

Description

Min

Typ

Max

Unit

Condition

Spec

Number

Fsxosc

Oscillator Crystal

Frequency 1

—

32.768

—

KHz

IP in crystal mode

—

Tstart

SXOSC startup time —

—

start up time is

dependent upon board

and crystal model.

—

ISXOSC

Oscillator Analog

circuit supply current

—

2.1

—

gm_sxocs

NMOS Amplifier

Transconductance

—

u A/V

—

1. Supports single frequency

12 Communication interfaces

12.1 LPSPI

The Low Power Serial Peripheral Interface (LPSPI) provides a synchronous serial bus with master and slave operations. Many

of the transfer attributes are programmable. The following table provides timing characteristics for classic LPSPI timing modes.

1. All timing is shown with respect to 20% VDD_HV_A/B and 80% VDD_HV_A/B thresholds.

2. All measurements are with maximum output load of 30 pF, input transition of 1 ns and pad configured with fastest slew setting

(DSE = 1'b1).

Table 41. LPSPI

Symbol

Description

Min

Typ

Max

Unit

Condition

Spec

Number

fperiph

Peripheral Frequenc

y 1, 2, 3

—

MHz

Master

—

fperiph

Peripheral Frequenc

y 1, 2, 3

—

MHz

Slave

—

fperiph

Peripheral Frequenc

y 1, 3, 4

—

MHz

Master Loopback

—

fop

Operating frequency —

—

MHz

Slave

fop

Operating frequency —

—

MHz

Master

fop

Operating

frequency 5

—

MHz

Slave_10Mbps

fop

Operating

frequency 5

—

MHz

Master_10Mbps

fop

Operating

frequency 4, 6

—

MHz

Master Loopback

Table continues on the next page...

NXP Semiconductors

Communication interfaces

S32K3xx Data Sheet, Rev. 7, 04/2023

Data Sheet: Technical Data

Preliminary Information

97 / 146

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