View source for UCM-iMX93L: Evaluation Kit: Hardware Guide

=Overview= 
==Terms and Definitions==
*'''SoM''' – System-on-Module.<br>
*'''SBC''' – Single Board Computer.<br>
*'''UCM-iMX93L''' – System-on-module product based on the NXP i.MX93 SoC. More information [https://www.compulab.com/products/computer-on-modules/ucm-imx93l-nxp-imx9-som-system-on-module/ here].<br>
*'''SB-UCMIMX93''' – A carrier board, designed for evaluation and development with UCM-iMX93L.<br>
*'''UCM-iMX93L Evaluation kit''' – A combination of UCM-iMX93L SoM and SB-UCMIMX93 carrier-board accompanied by a set of accessories. More information [https://www.compulab.com/products/computer-on-modules/ucm-imx93l-nxp-imx9-som-system-on-module/#evalkit here].<br>

==Additional resources==
*All additional materials for UCM-iMX93L and SB-UCMIMX93 are available [https://www.compulab.com/products/computer-on-modules/ucm-imx93l-nxp-imx9-som-system-on-module/#devres here].<br>

=Block Diagram=
[[Image:SB-UCMIMX93L-block-diagram.png|frameless|top|850px|link=]]

=Connector Locations=
[[Image:SB-UCMIMX93 connector locations.png|frameless|top|950px|link=]]

=Interfaces and Functions=
==DC Power==
SB-UCMIMX93 main power should be supplied using 12V DC power supply included in the evaluation kit. Adapters for European AC and US AC outlets are included. Connect the power supply to connector '''J4'''.<br>

==Serial Console==
To begin using serial console connect your host PC to the micro-USB connector '''P16''' using the USB cable from the evaluation kit.<br>

==Display==

===MIPI-DSI===
SB-UCMIMX93 supports direct connection with the Startec KD050HDFIA 5" MIPI-DSI LCD panel.<br>
Connect the display data cable to connector '''P11'''.<br>
Connect the display touch-panel cable to connector '''P12'''<br>

===LVDS===
SB-UCMIMX93 supports direct connection with the Startec KD070HDTLA020 7" LVDS LCD panel.<br>
Connect the display data cable to connector '''P7'''.<br>
Connect the display touch-panel cable to connector '''P8'''<br>

==USB==
SB-UCMIMX93 features two USB2.0 ports that are derived from the i.MX93 USB sub-system:<br>
* Connectors '''J5''' and '''J6''' – USB type-A connectors

==SD card==
SB-UCMIMX93 supports SD card storage through micro-SD socket '''P15'''.
Pressing and holding the SD-boot button SW3 during power-up or hardware reset forces UCM-iMX93L to boot firmware from the SD card.

==Ethernet==
SB-UCMIMX93 provides Ethernet port via '''RJ45''' connector '''P13'''.

==CAN bus==
One CAN bus interface is available via terminal block '''J21'''.<br>
Terminal block plug is included with the eval-kit.
Please refer to UCM-iMX93L reference guide and SB-UCMIMX93 schematics for additional details.<br>

==RS485==
One RS485 interface is available via terminal block '''J22'''.<br>
Terminal block plug is included with the eval-kit.
RS485 bus on-board termination can be enabled by shorting jumper '''E12'''.<br>
Please refer to UCM-iMX93L reference guide and SB-UCMIMX93 schematics for additional details.<br>

==RS232==
One RS232 interface is available via DB9 connector '''P17'''.<br>
Please refer to UCM-iMX93L reference guide and SB-UCMIMX93 schematics for additional details.<br>

==Multi-functional signals access==

===I2C===
I2C interface is available via header '''P3'''.<br>
Please refer to UCM-iMX93L reference guide and SB-UCMIMX93 schematics for details.<br>

===ADC===
ADC signals are available via header '''P3'''.<br>
Please refer to UCM-iMX93L reference guide and SB-UCMIMX93 schematics for details.<br>

===GPIO===
GPIO signals is available via header '''P3'''.<br>
Please refer to UCM-iMX93L reference guide and SB-UCMIMX93 schematics for details.<br>

==System==
===Reset===
Pressing the reset button '''SW2''' triggers system hardware reset.<br>

===Boot Sequence Selection===
Pressing and holding the SD-boot button '''SW3''' during power-up or hardware reset forces UCM-iMX93L to boot firmware from an SD card in socket '''P15'''.<br>
Pressing and holding the SDP-mode button '''SW4''' during power-up or hardware reset forces UCM-iMX93L to enter Serial Download Mode.<br>

===Power ON / OFF===
Long press on the Power On button '''SW1''' shuts down the device.<br>

===RTC===
RTC is implemented on UCM-iMX93L and receives power from coin-cell battery '''BH1'''.<br>
Jumper '''E9''' must be shorted for correct RTC operation.<br>

===JTAG===
JTAG interface is available via header '''P4'''.<br>
Please refer to UCM-iMX93L reference guide and SB-UCMIMX93 schematics for details.<br>

==Jumpers Summary==
'''Jumpers:'''

*'''E2''' - force UCM-iMX93L to perform firmware boot from SD card.<br>
*'''E7''' - force UCM-iMX93L to enter serial download mode (SDP).<br> 
*'''E8''' - V_SOM power rail current measurement.<br> 
*'''E9''' - RTC battery power.<br>
*'''E11''' - USB2 multiplexing between mini-PCIe socket '''P18''' and USB connector '''J6'''.<br>
*'''E12''' - RS485 termination control.<br> 

'''Default state:'''<br>
*Jumper '''E9''' is populated<br>

[[Category:UCM-iMX93L]]