NXP Semiconductors

UM12262

FRDM-IMX91 Board User Manual

GbE RJ45

(P3, P4)

USB Type A

(P17)

MQS

(P15)

USB Type C

(P2)

EXPI

(P11)

SWD

(P14)

NXP

custom

interface

(P12)

USB Type C

PWR input

(P1)[1]

USB Type C

DBG

(P16)

RTC

PWR

(P18)

Reset

(P19)

[1] - USB Type C PWR input (P1) shown in the figure is the only power supply port, and must always be supplied for system running.

Figure 3. FRDM-IMX91 connectors

Figure 4 shows the onboard switches, buttons, and LEDs available on the FRDM-IMX91 board.

UM12262

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User manual

Rev. 3.0 — 22 April 2025

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