Page 2
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 Preface Disclaimer Information in this document is provided in connection with ADLINK products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in ADLINK´s Terms and Conditions of Sale for such products, ADLINK assumes no liability whatsoever, and ADLINK disclaims any express or implied warranty, relating to sale and/or use of ADLINK products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right.
Page 3
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 Safety Instructions For user safety, please read and follow all Instructions, WARNINGs, CAUTIONs, and NOTEs marked in this manual and on the associated equipment before handling/operating the equipment. Read these safety instructions carefully. •...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 Introduction 1.1 The SMARC Formfactor The SMARC (“Smart Mobility ARChitecture”) is a versatile small form factor computer on Module definition targeting applications that require low power, low costs, and high performance. The Modules will typically use ARM SOCs similar or the same as those used in many familiar devices such as tablet computers and smart phones.
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 2.2 Video LEC-iMX8M mini standard display support is consisting of single/dual channel 24-bit LVDS and a 4-lane DSI. GPU Core: Vivante GCNanoUltra GPU/VPU Feature Support • 1080p60 VP9 Profile 0, 2 (10-bit) •...
Supports 10/100/1000-Mbps data transfer rates, both full-duplex and half-duplex 2.5 1216 M.2 LGA WIFI (optional) LEC-IMX8MM can be equipped with an optional WIFI LGA module. In case of non-populated part, the footprint is still there and visible Only the Azurewave AW-CM276NF has been validated during DVT but other M.2 LGA modules could be compatible as well if they use the same...
Page 12
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 2x USB 2.0, (USB0, USB1) Optional a 4 port USB hub is available which brings out a total of 5 USB busses UART Four UART interface SER0, SER2 (Tx/Rx/CTS/RTS) and SER1, SER3(optional) (Tx/Rx) 7- or 8-bit data words, 1 or 2 stop bits, programmable parity (even, odd, or none) Programmable baud rates up to 4 Mbps.
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 2.7 System Storage SDIO 1x SDIO (4-bit) compatible up to version 3.0. eMMC Soldered on module 16 ~ 128GB (build option) either standard or -40+85C temp range Compatible with eMMC specification 4.41, 4.51 and 5.0 2.8 Boot Modes eMMC and SD-Card boot modes are supported Page 13...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 2.9 Power Supply Voltage 4.75 V – 5.25 V 2.10 Mechanical and Environmental Form Factor SGET SMARC Specifications v2.1 Dimension SMARC small size module, 82mm x 50mm Operating Temperature Standard: 0°C to +60°C Rugged: -40°C to +85°C (optional) Humidity 5-90% RH operating, non-condensing...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.2 Signal Terminology Descriptions Meaning of the terms used for signal description tables Term Description Input to the module Output from the module O OD Open drain output from the module I OD Open drain input to the module, with mandatory PU (pull up) on module Open drain...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3 Signal Description by function 4.3.1 The First Display Interface The first display interface is a group of 30-pins that is split into a channel 0 and channel 1. The SMARC specification allows to support either dual channel LVDS ports, 2 separate single channel LVDS ports, 2 MIPI DSI ports of 4 lanes each or 2 eDP ports 4 lanes each.
Page 22
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 Note : LVDS0/LVDS1 are optional supported on the module by means of a DSI to LVDS bridge Note : DSI0 can be used, this will disable the LVDS0 port, DSI1 is not supported 4.3.1.1 LVDS0/LVDS1 mode Name...
Page 23
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 Name Pin # Description I/O Type Power PU / PD Comments Level Domain LCD1_VDD_EN S116 Secondary panel power enable, active 1.8V Runtime high CMOS LCD1_BKLT_EN S107 Secondary panel backlight enable, active 1.8V Runtime high...
Page 24
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 DSI0_TE S144 Primary DSI panel tearing effect signal 1.8V Runtime CMOS I2C_LCD_DAT S140 DDC data line used for flat panel detection and I/O OD 1.8V Runtime PU 2k2 control CMOS I2C_LCD_CK S139 DDC clock line used for flat panel detection and O OD...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.2 MIPI Camera support (CSI1-4Lane) Name Pin # Description Power PU / PD Comments Type Level Domain CSI1_RX0+ CSI1 differential input (point to point) I LVDS D-PHY Runtime CSI1_RX0- / I LVDS M-PHY CSI1_RX1+ CSI1_RX1- CSI1_RX2+...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.3 I2S (audio) Name Pin # Description Power PU / Comments Type Level Domain I2S0_LRCK I2S0 Left & Right synchronization 1.8V Runtime Module Output if CPU acts in Master Mode clock CMOS Module Input if CPU acts in Slave Mode I2S0_SDOUT...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.4 USB ports Name Pin # Description Power PU / PD Comments Type Level Domain USB0+ USB differential data pairs for port 0 I/O Runtime From SOC USB0- USB0_EN_OC# USB over-current sense for port 0 I/O OD 3.3Vsb / Runtime...
Page 28
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 USB3+ USB differential data pairs for port 3 Runtime From USB HUB USB3- USB3_SSRX+ Receive signal differential pairs for USB SS Runtime USB3_SSRX- SuperSpeed on port 3 USB SS USB3_SSTX+ Transmit signal differential pairs for USB SS Runtime USB3_SSTX-...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.5 PCIe Ports The module supports one PCIe Gen 2.1 ports (PCIE_A). Name Pin # Description Power PU / PD Comments Type Level Domain PCIE_A_TX+ Differential PCIe link A transmit data pair O LVDS Runtime Series AC coupled on module...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.6 LAN ports 4.3.6.1 First LAN port The first LAN port is derived from the SOCs RGMII interface Name Pin # Description Power PU / Comments Type Level Domain GBE0_MDI0+ Gigabit Ethernet Controller 0: Media Dependent GBE MDI Runtime Twisted pair signals for external...
Page 31
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.6.2 Second LAN port The Second LAN port is derived from RTL8119i PCIe ethernet controller Name Pin # Description Power PU / Comments Type Level Domain GBE1_MDI0+ Gigabit Ethernet Controller 1: Media Dependent GBE MDI Runtime Twisted pair signals for external...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.7 SDIO Name Pin # Description Power PU / PD Comments Type Level Domain SDIO_D0 SDIO Data lines. These signals operate in push-pull 1.8V or Runtime SDIO controller will detect SD Cards voltage SDIO_D1 mode.
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.3.8 SPI & ESPI 4.3.9 SPI0 Name Pin # Description Power PU / PD Comments Type Level Domain SPI0_CS0# SPI0 Master Chip Select 0 1.8V Standby This signal can be used to select carrier SPI as CMOS boot device SPI0_CS1#...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.4 General Purpose I2C The SMARC specification supports a total of 6 different I2C busses on its pinout. Most of these busses are designated for specific functions such as I2C for camera management, I2C for EDID on HDMI, LVDS panels or I2C for PMIC. Just one I2C bus is marked as General purpose Name Pin # Description...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.4.1 GPIO Name Description Power PU / PD Comments Type Level Domain GPIO0 / P108 General purpose I/O pin 0. 1.8V Runtime PU 470K on the Default use is GPIO0, alternative use is Camera 0 CAM0_PWR# CMOS Module.
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.4.2 UART Name Pin # Description Power PU / PD Comments Type Level Domain SER0_TX P129 Asynchronous serial data output port 0 1.8V Runtime CMOS SER0_RX P130 Asynchronous serial data input port 0 1.8V Runtime CMOS...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.4.3 CAN bus Name Pin # Description Power PU / PD Comments Type Level Domain CAN0_TX P143 CAN port 0 Transmit output 1.8V Runtime CMOS CAN0_RX P144 CAN port 0 Receive input 1.8V Runtime CMOS...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.4.5 Power and System Management Name Description Power PU / PD Comments Type Level Domain BATLOW# S156 Battery low indication to Module. Carrier to float I OD 1.8V Runtime PU 10K Driven by OD on Carrier.
Page 40
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 Name Description Power PU / PD Comments Type Level Domain RESET_OUT# P126 General purpose reset output to Carrier board. 1.8V Runtime CMOS RESET_IN# P127 Reset input from Carrier board. Carrier drives low I OD 1.8V Runtime...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.4.6 Boot Select Name Pin # Description Power PU / PD Comments Type Level Domain BOOT_SEL0# P123 Input straps determine the I OD 1.8Vsb Standby PU 4.7K Driven by OD on Carrier. BOOT_SEL1# P124 Module boot...
LEC-iMX8M Mini User’s Guide 0.6 SGET SMARC Rev 2.1 4.4.7 Power Name Pin # Description I/O Type Power Rail / PU / Comments Tolerance VDD_IN P147, P148, P149, Module power input voltage P Not defined within Signal 4.75 to 5.25V / 5V P150, P151, P152, 4.75 min to 5.25V max Terminolgy Descriptions.
Need help?
Do you have a question about the LEC-IMX8MM and is the answer not in the manual?
Questions and answers