NXP Semiconductors

UM12262

FRDM-IMX91 Board User Manual

M.2 Key E

(P8)

MicroSD

(P13)

Figure 5. FRDM-IMX91 bottom-side view

1.5 Connectors

See Figure 3 and Figure 5 for connectors position on the board. Table 3 describes the FRDM-IMX91 board

connectors.

Part identifier

Connector type

Description

Reference section

P1, P2, P16

USB 2.0 Type C

USB connector

Section 2.16.2

P3, P4

RJ45 jack

Ethernet connectors

Section 2.14

P9 (DNP)

U.FL connector

RF antenna connector

Section 2.11

P10 (DNP)

U.FL connector

RF antenna connector

Section 2.11

P8

75-pin connector

M.2 socket KEY-E

Section 2.10

P11

2x20-pin connector

EXPI

Section 2.15

P12

2x5-pin connector

I/O connector

Section 2.4

P13

MicroSD push- push

connector

MicroSD 3.0

Section 2.8

P14

1x3-pin 2.54 mm connector SWD connector

Section 2.16.1

Table 3. FRDM-IMX91 connectors

UM12262

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User manual

Rev. 3.0 — 22 April 2025

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