FRDM-IMX91 Series Training

FRDM-IMX91 Hardware Introduction

The FRDM i.MX 91 development board is a low-cost and compact development board with NXP i.MX91 applications processor. On-board NXP IW610 Tri-Radio module supports Wi-Fi 6 + Bluetooth Low Energy 5.4 + 802.15.4. NXP releases Debian every six months and releases Yocto every year for this board. The FRDM i.MX 91 development board is ideal for developing modern Industrial and IoT applications.

Get to know FRDM-IMX 91 Development Board

Specifications:

1x Arm® Cortex®-A55
MAYA-W476-00B, Wi-Fi + BLE 5.4 + 802.15.4 Module on-board, IW610
2x GbE Ethernet (1xETER, 1xTSN)
M.2 Key-E for Wi-Fi/BLE/802.15.4
LPDDR4 16-bit 1GB
eMMC 5.1, 8GB
MicroSD 3.0 card slot
3x USB 2.0 Type-C connector (1-Debug, 1-PD, 1-USB2.0) + One USB 2.0 Type-A
40 pin (2x20) Expansion I/O
One 2x5 Pin NXP interface (1- CAN, Two channels for ADC, I2C/I3C expansion)

Features	FRDM-IMX91
eMMC	8GB
DRAM	NANYA 1GB
PMIC	PCA9451
WiFi Module	u-blox MAYA-W476-00B on-board
USB TYPE	Type-C+Type-A
ENET	2xGbE
M.2 (Key E) SDIO Wi-Fi / BLE	Y (rework needed)
HDMI	N
Display (Parallel RGB LCD)	2x20 EXPI
Camera (Parallel Camera)	2x20 EXPI
2x20 Expansion Interface	Y
CAN BUS	Y
MicroSD	Y
UART	Y
Audio	MQS
Remote Debug	N
Power Connector	Type-C
PCB layers	10
Base Board DIM	6.5x10.5cm

NXP Devices On-board
PMIC	PCA9451AHNY
Real time clock/calendar	PCF2131
WIFI/BLE/802.15.4 Tri-Radio	IW610 in u-blox module
CAN Transceiver	TJA1051T/3
USB Type-C CC and SBU Protection IC	NX20P0407
High-Voltage USB PD Power Switch	NX20P5090UK
USB PD and Type-C High-Voltage Sink/Source Combo Switch with Protection	NX20P3483UK
IIC Extends GPIO	PCAL6524/ PCAL6408A