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The MYD-LMX91 Development Board is a cost-effective evaluation platform designed specifically for the NXP i.MX91 processor. This processor boasts up to 1.4GHz single-core ARM Cortex-A55 which belongs to the highly favorable NXP i.MX 91 family. The board is ready to run Linux OS and supports industrial operating temperature range from -40 to +85 Celsius.
The MYD-LMX91 Development Board is built around the MYC-LMX91 SOM and has explored many features of the NXP i.MX 9131 SoC through the 218-pin LGA expansion interface. It provides a range of advanced connectivity options, including two Gigabit Ethernet, two USB 2.0 HOST Type-A, one USB 2.0 OTG Type-C, one CAN port, one RS232 port, one RS485 port, one JTAG, one ADC, one Micro SD card slot and one onboard WiFi module, enhancing network and data transfer capabilities. Additionally, it also has advanced multi-media capabilities to support RGB display and audio input and output.
MYD-LMX91 Development Board Top-view
MYD-LMX91 Development Board Bottom-view
The MYD-LMX91 Development Board is delivered with Quick Start Guide, one USB to TTL serial cable and one 12V/2A power adapter. MYIR also offers MY-TFT070CV2 7-inch LCD Module as an add-on option for this board. The MYD-LMX91 Development Board is capable of running Linux 6.6.36 Operating System, ensuring a stable and efficient performance. MYIR provides abundant software resources, including kernel and driver source code, as well as detailed documentations and tools that facilitate rapid and easy development for users. These resources provide the necessary support to developers, enabling them to focus on creating innovative and exciting applications.
Features
Mechanical Parameters
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Dimensions: 120mm x 150mm (base board), 37mm x 39mm (SOM)
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PCB Layers: 6-layer design (base board), 10-layer design (SOM)
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Power supply: +12V/2A (base board), 5V/1A (SOM)
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Working temperature: -40~85 Celsius (industrial grade)
(WiFi Module: -20~70 Celsius)
The MYD-LMX91 Controller Board (MYC-LMX91)
MYC-LMX91 System-On-Module (Top-view and Bottom-view)
Processor
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NXP i.MX 91 Processor (MIMX9131CVVXJAA)
- Cortex A55 processor operating up to 1.4GHz
- Up to 2.4GT/s x16 LPDDR4 (w/Inline ECC)
- 24 bit-per-pixel parallel RGB
Memory
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1GB LPDDR4
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8GB eMMC
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32KB EEPROM
Peripherals and Signals Routed to Pins
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Power Management IC (PCA9451AHNY)
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218-pin LGA Expansion Interface
- 2x RGMII
- 2x USB2.0
- 8x UART
- 2x CAN FD
- 8x I2C
- 2x I3C
- 8x SPI
- 1x RGB
- 1x Parallel CSI
- 3x SAI
- 2x uSDHC
- 4x ADC
- 1x JATG/SWD
Note: the peripheral signals brought out to the expansion interface are listed in maximum number. Some signals are reused. Please refer to the processor datasheet.
The MYD-LMX91 Development Board Base Board
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Serial ports
- 2x Debug interfaces (one for Cortex-A55 cores, one for JTAG)
- 1x RS232
- 1x RS485 (with isolation)
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USB
- 2x USB2.0 Host ports
- 1x USB2.0 OTG port
- 1x M.2 socket for USB based 4G/5G module
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2x SIM card slots
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1x 10/100/1000 Mbps Ethernet interface (RJ45)
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WiFi Module
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2x external antenna connectors (one for WiFi and one 4G/5G)
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1x CAN FD interface (with isolation)
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1x Micro SD card slot
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1x RGB LCD interface (J23, 0.5mm pitch 50-pin FPC connector)
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Audio Input/Output
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3x Buttons (one for RESET, one for ON/OFF and one for USER)
OS Support
Other MYIR's NXP Products
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Overview
