Congatec SMARC conga-SMX8-X User manual

SMARC®conga-SMX8-X
SMARC 2.0 module based on the NXP® i.MX 8QuadXPlus, 8DualXPlus, and 8DualX applications processors
User’s Guide
Revision 0.1 (Preliminary)

Copyright © 2020 congatec AG SX8Xm01 2/32
Revision History
Revision Date (yyyy-mm-dd) Author Changes
0.1 2020-03-27 BEU •Preliminary release

Copyright © 2020 congatec AG SX8Xm01 3/32
Preface
This user’s guide provides information about the components, features and connectors available on the conga-SMX8-X. It is one of five
documents that should be referred to when designing a SMARC®application.
The other reference documents that should be used include the following:
conga-SMX8-X Pinout Description (https://git.congatec.com/arm-nxp/imx8-family/doc/cgtimx8_pinlist/tree/cgtsx8x_pinlist)
SMARC®Design Guide 2.0 (https://sget.org)
SMARC®Hardware Specification 2.0 (https://sget.org)
i.MX 8DualX/8DualXPlus/8QuadXPlus Applications Processor Reference Manual (www.nxp.com)
Disclaimer
The information contained within this user’s guide, including but not limited to any product specification, is subject to change without notice.
congatec AG provides no warranty with regard to this user’s guide or any other information contained herein and hereby expressly disclaims
any implied warranties of merchantability or fitness for any particular purpose with regard to any of the foregoing. congatec AG assumes
no liability for any damages incurred directly or indirectly from any technical or typographical errors or omissions contained herein or for
discrepancies between the product and the user’s guide. In no event shall congatec AG be liable for any incidental, consequential, special, or
exemplary damages, whether based on tort, contract or otherwise, arising out of or in connection with this user’s guide or any other information
contained herein or the use thereof.
Intended Audience
This user’s guide is intended for technically qualified personnel. It is not intended for general audiences.
Lead-Free Designs (RoHS)
All congatec AG designs are created from lead-free components and are completely RoHS compliant.

Copyright © 2020 congatec AG SX8Xm01 4/32
Electrostatic Sensitive Device
All congatec AG products are electrostatic sensitive devices. They are enclosed in static shielding bags, and shipped enclosed in secondary
packaging (protective packaging). The secondary packaging does not provide electrostatic protection.
Do not remove the device from the static shielding bag or handle it, except at an electrostatic-free workstation. Also, do not ship or store
electronic devices near strong electrostatic, electromagnetic, magnetic, or radioactive fields unless the device is contained within its original
packaging. Be aware that failure to comply with these guidelines will void the congatec AG Limited Warranty.
Symbols
The following symbols are used in this user’s guide:
Warning
Warnings indicate conditions that, if not observed, can cause personal injury.
Caution
Cautions warn the user about how to prevent damage to hardware or loss of data.
Note
Notes call attention to important information that should be observed.
Copyright Notice
Copyright © 2020, congatec AG. All rights reserved. All text, pictures and graphics are protected by copyrights. No copying is permitted
without written permission from congatec AG. congatec AG has made every attempt to ensure that the information in this document is
accurate yet the information contained within is supplied “as-is”.
Trademarks
Product names, logos, brands, and other trademarks featured or referred to within this user’s guide, or the congatec website, are the property
of their respective trademark holders. These trademark holders are not affiliated with congatec AG, our products, or our website.

Copyright © 2020 congatec AG SX8Xm01 5/32
Warranty
congatec AG makes no representation, warranty or guaranty, express or implied regarding the products except its standard form of limited warranty
(“Limited Warranty”) per the terms and conditions of the congatec entity, which the product is delivered from. These terms and conditions can
be downloaded from www.congatec.com. congatec AG may in its sole discretion modify its Limited Warranty at any time and from time to time.
The products may include software. Use of the software is subject to the terms and conditions set out in the respective owner’s license agreements,
which are available at www.congatec.com and/or upon request.
Beginning on the date of shipment to its direct customer and continuing for the published warranty period, congatec AG represents that the
products are new and warrants that each product failing to function properly under normal use, due to a defect in materials or workmanship or
due to non conformance to the agreed upon specifications, will be repaired or exchanged, at congatec’s option and expense.
Customer will obtain a Return Material Authorization (“RMA”) number from congatec AG prior to returning the non conforming product freight
prepaid. congatec AG will pay for transporting the repaired or exchanged product to the customer.
Repaired, replaced or exchanged product will be warranted for the repair warranty period in effect as of the date the repaired, exchanged
or replaced product is shipped by congatec, or the remainder of the original warranty, whichever is longer. This Limited Warranty extends to
congatec’s direct customer only and is not assignable or transferable.
Except as set forth in writing in the Limited Warranty, congatec makes no performance representations, warranties, or guarantees, either express
or implied, oral or written, with respect to the products, including without limitation any implied warranty (a) of merchantability, (b) of fitness for a
particular purpose, or (c) arising from course of performance, course of dealing, or usage of trade.
congatec AG shall in no event be liable to the end user for collateral or consequential damages of any kind. congatec shall not otherwise be liable
for loss, damage or expense directly or indirectly arising from the use of the product or from any other cause. The sole and exclusive remedy
against congatec, whether a claim sound in contract, warranty, tort or any other legal theory, shall be repair or replacement of the product only.
Certification
congatec AG is certified to DIN EN ISO 9001 standard.
Technical Support
congatec AG technicians and engineers are committed to providing the best possible technical support for our customers so that our products
can be easily used and implemented. We request that you first visit our website at www.congatec.com for the latest documentation, utilities and
drivers, which have been made available to assist you. If you still require assistance after visiting our website then contact our technical support
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Copyright © 2020 congatec AG SX8Xm01 6/32
Terminology
Term Description
°C Degrees Celsius
µA Microamp
µs Microsecond
A Ampere
AN Application Note
ARM Advanced RISC Machine
AVB Audio Video Bridging
BT Bluetooth
CAAM Cryptographic Acceleration and
Assurance Module
CMOS Complementary Metal Oxide
Semiconductor
COM Computer-on-Module
CPU Central Processing Unit
CSI Camera Serial Interface
CSP Cooling Solution Passive
DDR Double Data Rate
DP DisplayPort
DP++ DisplayPort Dual-Mode
DRAM Dynamic Random Access Memory
DSI Digital Serial Interface
D-SUB D-Subminiature
eMMC embedded Multi-Media Controller
FlexCAN Flexible Controller Area Network
GB Gigabyte
GbE Gigabit Ethernet
GHz Gigahertz
GND Ground
GPIO General-Purpose Input/Output
GPU Graphics Processing Unit
GTps Gigatransfers per second
HDMI High-Definition Multimedia Interface
HW Hardware
HAB High Assurance Boot
HSP Heat Spreader
Hz Hertz
I/O Input/Output
I²C (I2C) Inter-Integrated Circuit
I²S (I2S) Inter-Integrated Circuit Sound
IEEE Institute of Electrical and Electronics
Engineers
JEIDA Japan Electronic Industries
Development Association
JTAG Joint Test Action Group
KS Key State
LPDDR Low-Power Double Data Rate
LVDS Low-Voltage Differential Signaling
Mbps Megabits per second
MBps Megabytes per second
MHz Megahertz
mm Millimeter
MMU Memory Management Unit
mVpp Millivolts Peak to Peak
MXM Mobile PCI Express Module
NC Not Connected
Nm Newton metre
NXP NeXt exPerience
OS Operating System
OTG On-The-Go
PCB Printed Circuit Board
PCI Express Peripheral Component Interconnect
Express
PHY Physical Layer
PMIC Power Management Integrated
Circuit
PN Part Number
QSPI Quad Serial Peripheral Interface
RGMII Reduced Gigabit-Media Independent
Interface
RS-232 Recommended Standard 232
RTC Real-Time Clock
SAI Synchronous Audio Interface
SD Secure Digital
SDIO Secure Digital Input Output
SDR Single Data Rate
SDRAM Synchronous Dynamic Random
Access Memory
SDXC Secure Digital eXtended Capacity
SGET Standardization Group for Embedded
Technologies e.V
SMARC Smart Mobility ARChitecture
SoC System on Chip
SPI Serial Peripheral Interface
TBD To Be Defined
UART Universal Asynchronous Receiver-
Transmitter
U-Boot Universal Boot Loader
UHS Ultra High Speed
USB Universal Serial Bus
uSDHC ultra Secured Digital Host Controller
V Volt
Vdc Volts direct current
VESA Video Electronics Standards
Association
W Watt
Wi-Fi Wireless Fidelity

Copyright © 2020 congatec AG SX8Xm01 7/32
Contents
1 Introduction ............................................................................... 9
1.1 SMARC®Concept ...................................................................... 9
1.2 conga-SMX8-X........................................................................... 9
1.2.1 Options Information................................................................. 10
1.2.2 Accessories .............................................................................. 11
2 Specifications........................................................................... 12
2.1 Feature List .............................................................................. 12
2.2 Supported Operating Systems ................................................ 13
2.3 Mechanical Dimensions ........................................................... 13
2.4 Standard Power........................................................................ 14
2.4.1 Supply Voltage......................................................................... 14
2.4.2 Electrical Characteristics .......................................................... 14
2.4.3 Rise Time ................................................................................. 14
2.5 Power Consumption ................................................................ 15
2.6 Supply Voltage Battery Power ................................................. 16
2.7 Environmental Specifications................................................... 16
3 Block Diagram.......................................................................... 17
4 Cooling Solutions..................................................................... 18
4.1 CSP Dimensions....................................................................... 19
4.2 HSP Dimensions....................................................................... 20
5 Connector Rows....................................................................... 21
5.1 Display Interfaces..................................................................... 21
5.1.1 LVDS/DSI.................................................................................. 21
5.1.2 HDMI........................................................................................ 21
5.2 Camera Inteface (MIPI®CSI) .................................................... 22
5.3 SDIO Card (4 bit) Interface....................................................... 22
5.4 SPI............................................................................................ 22
5.5 Audio (I2S)................................................................................ 22
5.6 I2C Interfaces........................................................................... 23
5.7 Serial Ports ............................................................................... 23
5.8 CAN Bus .................................................................................. 23
5.9 USB Interfaces.......................................................................... 24
5.10 PCI Express™........................................................................... 24
5.11 Ethernet ................................................................................... 25
5.12 GPIO ........................................................................................ 25
5.13 Boot Select .............................................................................. 25
5.14 Power Control .......................................................................... 26
6 Onboard Interfaces and Devices ............................................. 28
6.1 DRAM....................................................................................... 28
6.2 eMMC ...................................................................................... 28
6.3 SPI NOR Flash.......................................................................... 28
6.4 Wi-Fi and Bluetooth................................................................. 28
6.5 RTC .......................................................................................... 29
6.6 Console and Debug Interfaces ................................................ 29
6.6.1 A35 Console and SCU Debug ................................................. 29
6.6.2 JTAG Debug ............................................................................ 30
7 Pinout Table and Signal Descriptions ...................................... 31
8 Software Documentation ......................................................... 32

Copyright © 2020 congatec AG SX8Xm01 8/32
List of Tables
Table 1 Commercial Variants ................................................................ 10
Table 2 Industrial Variants..................................................................... 10
Table 3 conga-SMX8-X Adapters ......................................................... 11
Table 4 Measurement Description........................................................ 15
Table 5 Power Consumption Values ..................................................... 15
Table 6 CMOS Battery Power Consumption ........................................ 16
Table 7 Cooling Solution Variants......................................................... 18
Table 8 Display Combination ............................................................... 21
Table 9 I2C Interfaces........................................................................... 23
Table 10 USB Combination .................................................................... 24
Table 11 A35 and SCU Connector (X2) Pinout Description.................... 29
Table 12 JTAG Debug Connector (X1) Pinout Description .................... 30

Copyright © 2020 congatec AG SX8Xm01 9/32
1 Introduction
1.1 SMARC®Concept
The Standardization Group for Embedded Technologies e.V (SGET) defined the SMARC standard for small form factor computer modules
that target applications with low power, low cost and high performance. The SMARC connector and interfaces are optimized for high-speed
communication, and are suitable for ARM SoCs and low power x86 SoCs.
The SMARC standard bridges the gap between the COM Express standard and the Qseven standard by offering most of the interfaces defined
in the COM Express specification at a lower power. With a footprint of 82 mm x 50 mm or 82 mm x 80 mm, the SMARC standard promotes the
design of highly integrated, energy efficient systems.
Due to its small size and lower power demands, PC appliance designers can design low cost devices as well as explore a huge variety of product
development options—from compact space-saving designs to fully functional systems. This solution allows scalability, product diversification
and faster time to market.
1.2 conga-SMX8-X
The conga-SMX8-X is based on the SMARC 2.0 Specification and features an NXP®i.MX 8QuadXPlus, 8DualXPlus, or 8DualX applications
processor. With a maximum power consumption of TBD W, the conga-SMX8-X is a low power module with high computing performance.
By offering most of the functional requirement for any SMARC application, the conga-SMX8-X provides manufacturers and developers with a
platform to jump-start the development of systems and applications based on SMARC specification. Its features and capabilities make it an
ideal platform for designing compact, energy-efficient, performance-oriented embedded systems.

Copyright © 2020 congatec AG SX8Xm01 10/32
1.2.1 Options Information
The conga-SMX8-X is available in six commercial and four industrial variants:
Table 1 Commercial Variants
PN 051100 051101 051102 051103 051104 051105
Processor i.MX 8QuadXPlus i.MX 8DualXPlus i.MX 8DualX i.MX 8QuadXPlus i.MX 8QuadXPlus i.MX 8QuadXPlus
Cortex®-A35 4x 1.2 GHz 2x 1.2 GHz 2x 1.2 GHz 4x 1.2 GHz 4x 1.2 GHz 4x 1.2 GHz
SDRAM 4 GB LPDDR4 @
1200 MHz (32 bit)
2 GB LPDDR4 @
1200 MHz (32 bit)
1 GB LPDDR4 @
1200 MHz (16 bit)
2 GB LPDDR4 @
1200 MHz (32 bit)
4 GB LPDDR4 @
1200 MHz (32 bit)
4 GB LPDDR4 @
1200 MHz (32 bit)
Ethernet 2x 1 Gigabit 2x 1 Gigabit 1x 1 Gigabit
1x 10/100 Mbps
2x 1 Gigabit 2x 1 Gigabit 2x 1 Gigabit
Wi-Fi/BT Assembly Option Assembly Option Assembly Option Assembly Option Yes Assembly Option
USB 1x USB 2.0 OTG
2x USB 2.0
2x USB 3.0
1x USB 2.0 OTG
2x USB 2.0
2x USB 3.0
1x USB 2.0 OTG
4x USB 2.0
1x USB 2.0 OTG
2x USB 2.0
2x USB 3.0
1x USB 2.0 OTG
1x USB 2.0
2x USB 3.0
1x USB 2.0 OTG
2x USB 2.0
2x USB 3.0
HDMI Assembly Option Assembly Option Assembly Option Assembly Option Assembly Option Yes
Audio 2x I²S (default) 2x I²S (default) 2x I²S (default) 2x I²S (default) 2x I²S (default) 1x I²S
Table 2 Industrial Variants
PN 051110 051111 051112 051113
Processor i.MX 8QuadXPlus i.MX 8DualXPlus i.MX 8DualX i.MX 8QuadXPlus
Cortex®-A35 4x 1.0 GHz 2x 1.0 GHz 2x 1.0 GHz 4x 1.0 GHz
SDRAM 4 GB LPDDR4 @
1200 MHz (32 bit)
2 GB LPDDR4 @
1200 MHz (32 bit)
1 GB LPDDR4 @
1200 MHz (16 bit)
2 GB LPDDR4 @
1200 MHz (32 bit)
Ethernet 2x 1 Gigabit 2x 1 Gigabit 1x 1 Gigabit
1x 10/100 Mbps
2x 1 Gigabit
Wi-Fi/BT Assembly Option Assembly Option Assembly Option Assembly Option
USB 1x USB 2.0 OTG
2x USB 2.0
2x USB 3.0
1x USB 2.0 OTG
2x USB 2.0
2x USB 3.0
1x USB 2.0 OTG
4x USB 2.0
1x USB 2.0 OTG
2x USB 2.0
2x USB 3.0
HDMI No No No No
Audio 2x I²S 2x I²S 2x I²S 2x I²S

Copyright © 2020 congatec AG SX8Xm01 11/32
1.2.2 Accessories
Table 3 conga-SMX8-X Adapters
PN 48000023
Product RS-232 adapter cable for conga-ARM modules
Description Adapter cable for ARM console. MOLEX PicoBlade 6 circuit to two D-SUB 9 connectors.

Copyright © 2020 congatec AG SX8Xm01 12/32
2 Specifications
2.1 Feature List
Form Factor SMARC®form factor specification, revision 2.0 (82 mm x 50 mm)
SoC NXP®i.MX 8QuadXPlus, 8DualXPlus, or 8DualX
Memory 1, 2 or 4 GB onboard LPDDR4 memory @ 1200 MHz
Storage SPI NOR flash memory with up to 256 Mbit (64 Mbit assembled by default)
eMMC™ 5.1 HS400 with up to 128 GB (16 GB assembled by default)
Audio Up to 2x I2S (only 1x I2S with HDMI)
Ethernet Up to 2x GbE with support for IEEE 1588 (i.MX 8DualX SoC only supports 10/100 Mbps on GBE1)
Display
Interfaces
Support for up to two independent displays:
2x Single channel LVDS/DSI or 1x Dual channel LVDS/DSI (default)
or 1x Single channel LVDS/DSI and 1x HDMI (assembly option for commercial variants only; default on PN: 051105)
Peripheral
Interfaces
1x MIPI CSI-2 with four lanes
1x SD/SDIO Card Interface
2x SPI
I²C
Up to 4x Serial Ports (SER3 instead of CAN1 via assembly option)
2x CAN with support for CAN FD (FlexCAN)
1x USB 2.0 OTG
Up to 2x USB 2.0 (Wi-Fi/BT instead of USB4 via assembly option)
Up to 2x USB 3.0/2.0 (i.MX 8DualX SoC only supports USB 2.0)
1x PCI Express x1 Gen3
12x GPIOs
1x Onboard JTAG Debug Connector (assembly option)
1x Onboard A35 Console and SCU Debug Connector1
1x Onboard Wi-Fi/BT M.2 1216 Module (assembly option; default on PN: 051104)
NOTE:
1 Requires RS-232 adapter cable PN: 48000023 (See Table 3).
Features Watchdog timer Onboard Discrete Real-Time Clock (RTC)
Bootloader U-Boot
Virtualization Multiple domains with hardware virtualization
Multiple Operating Systems
System MMU
Resource partitioning and split GPU
Security High Assurance Boot (HAB)
TrustZone®
Cryptographic Acceleration and Assurance Module (CAAM)

Copyright © 2020 congatec AG SX8Xm01 13/32
2.2 Supported Operating Systems
The conga-SMX8-X supports the following operating systems:
•Linux®(Yocto Project®)
•Android™
2.3 Mechanical Dimensions
•82.0 mm x 50.0 mm
The height of the module, heatspreader and stack is shown below:
Top Side Component
Carrier Board PCB
SMARC Module PCB
Heatspreader
Carrier Connector
Bottom Side Component
All dimensions are in millimeters
Height depends on the
connector height used
Height depends on the
connector height used
1.2
3.2
2.8

Copyright © 2020 congatec AG SX8Xm01 14/32
2.4 Standard Power
2.4.1 Supply Voltage
•4.75 V – 5.25 V
2.4.2 Electrical Characteristics
Characteristics Min. Typ. Max. Units Comment
5V Voltage ± 5% 4.75 5.00 5.25 Vdc
Ripple - - ± 50 mVPP 0-20 MHz
Current
2.4.3 Rise Time
The input voltages shall rise from 10 percent of nominal to 90 percent of nominal at a minimum slope of 250 V/s. The smooth turn-on requires
that, during the 10 percent to 90 percent portion of the rise time, the slope of the turn-on waveform must be positive.
Nominal Static Range
Dynamic Range
Absolute Minimum
Absolute Maximum5.25V
4.75V
5V
5.05V
4.95V

Copyright © 2020 congatec AG SX8Xm01 15/32
2.5 Power Consumption
The power consumption values were measured with the following setup:
•Input voltage +5 V
•conga-SMX8-X
•conga-SEVA carrier board
•conga-SMX8-X cooling solution
The power consumption values were recorded during the following operating modes:
Table 4 Measurement Description
System State Description Comment
KS1 Standby mode For more information about the key states, refer to the Application Note “i.MX 8M Mini Power
Consumption Measurement” available on the NXP website www.nxp.com.
KS3 User idle mode
100% Workload 100% CPU workload The CPU was stressed to its maximum frequency.
Peak Power
Consumption
100% CPU workload at approximately
100°C peak power consumption
Consider this value when designing the system’s power supply to ensure that sufficient power is
supplied during worst case scenarios.
Note
The peripherals did not influence the measured values because they were powered externally.
The table below provides the power consumption values of each conga-SMX8-X variant during different operating modes:
Table 5 Power Consumption Values
PN Memory
Size
HW
Revision
U-Boot OS CPU Current (A) @ 5 V
KS1 KS3 100% Workload Peak Power Consumption
51100 4 GB TBD TBD TBD i.MX 8QuadXPlus TBD TBD TBD TBD
51101 2 GB TBD TBD TBD i.MX 8DualXPlus TBD TBD TBD TBD
51102 2 GB TBD TBD TBD i.MX 8DualX TBD TBD TBD TBD
51103 2 GB TBD TBD TBD i.MX 8QuadXPlus TBD TBD TBD TBD
51104 4 GB TBD TBD TBD i.MX 8QuadXPlus TBD TBD TBD TBD
51105 4 GB TBD TBD TBD i.MX 8QuadXPlus TBD TBD TBD TBD
51110 4 GB TBD TBD TBD i.MX 8QuadXPlus TBD TBD TBD TBD
51111 2 GB TBD TBD TBD i.MX 8DualXPlus TBD TBD TBD TBD
51112 2 GB TBD TBD TBD i.MX 8DualX TBD TBD TBD TBD
51113 2 GB TBD TBD TBD i.MX 8QuadXPlus TBD TBD TBD TBD

Copyright © 2020 congatec AG SX8Xm01 16/32
2.6 Supply Voltage Battery Power
Table 6 CMOS Battery Power Consumption
RTC @ Voltage Current
-10oC 3V DC TBD µA
20oC 3V DC TBD µA
70oC 3V DC TBD µA
Note
1. Do not use the CMOS battery power consumption values listed above to calculate CMOS battery lifetime.
2. Measure the CMOS battery power consumption in your customer specific application in worst case conditions (for example, during high
temperature and high battery voltage).
3. Consider the self-discharge of the battery when calculating the lifetime of the CMOS battery. For more information, refer to application
note AN9_RTC_Battery_Lifetime.pdf on congatec AG website at www.congatec.com/support/application-notes.
4. We recommend to always have a CMOS battery present when operating the conga-SMX8-X.
2.7 Environmental Specifications
Temperature (commercial variants) Operation: 0° to 60°C Storage: -40° to +85°C
Temperature (industrial variants) Operation: -40° to 85°C Storage: -40° to +85°C
Humidity Operation: 10% to 90% Storage: 5% to 95%
Caution
The above operating temperatures must be strictly adhered to at all times. When using a congatec heatspreader, the maximum operating
temperature refers to any measurable spot on the heatspreader’s surface.
Humidity specifications are for non-condensing conditions.

Copyright © 2020 congatec AG SX8Xm01 17/32
3 Block Diagram
NXP i.MX 8X
Applications Processor
USB_SS*¹
USB4*
,
*
4
SDIO*
conga-SMX8-X
SMARC 2.0
PCIE_A*
SER2*
PHY
PHY
JTAG*
DSI-HDMI
Bridge*
,
*²
* Assembly option
*¹ i.MX 8DualX SoC does not support USB 3.0.
*² HDMI by default on PN: 051105. Not available for industrial variants.
*³ i.MX 8DualX SoC only supports 10/100 Mbps on GBE1.
*4Wi-Fi/BT by default on PN: 051104 and USB4 therefore not available.
LPDDR4
SDRAM
eMMC 5.1
I2C Expander
A35 Console
SCU Debug
RS-232
Transceiver
GPIO[7:11]
SPI0
I2C
CAN0 (FlexCAN)
DP0
PCIE_[B:D]
SATA
CSI0
HDMI*
,
*²
LVDS1/DSI1
LVDS0/DSI0
PCIE_A (PCIe Gen3)
GBE1 (up to GbE)*³
GBE0 (GbE)
I2S0
SDIO
SER0 (4 wire)
SER3* (2 wire)
I2S2
CAN1 (FlexCAN)
+Vin
I2CPWR
PMIC
RTC
Wi-Fi/
BT
Module*
GPIO[0:6]
USB Hub
USB1 (USB 2.0)
USB2 (USB 3.0/2.0)*¹
USB3 (USB 3.0/2.0)*¹
USB4 (USB 2.0)*⁴
USB0 (USB 2.0 OTG)
SER1 (2 wire)
SER2 (4 wire)
SPI1
SPI NOR
Flash Memory
CSI1 (4 lanes)

Copyright © 2020 congatec AG SX8Xm01 18/32
4 Cooling Solutions
congatec AG offers the following cooling solutions for the conga-SMX8-X variants. The dimensions of the cooling solutions are shown in the
sub-sections. All measurements are in millimeters.
Table 7 Cooling Solution Variants
Cooling Solution PN Description
CSP 051150 Passive cooling with 2.7 mm borehole standoffs.
HSP 051151 Heatspreader with 2.7 mm borehole standoffs.
Note
1. We recommend a maximum torque of 0.4 Nm for carrier board and module mounting screws.
2. The gap pad material used on congatec heatspreaders may contain silicon oil that can seep out over time depending on the environmental
conditions it is subjected to. For more information about this subject, contact your local congatec sales representative and request the gap
pad material manufacturer’s specification.
Caution
1. The congatec heatspreaders/cooling solutions are tested only within the commercial temperature range of 0° to 60°C. Therefore, if your
application that features a congatec heatspreader/cooling solution operates outside this temperature range, ensure the correct operating
temperature of the module is maintained at all times. This may require additional cooling components for your final application’s thermal
solution.
2. For adequate heat dissipation, use the mounting holes on the cooling solution to attach it to the module. Apply thread-locking fluid on
the screws if the cooling solution is used in a high shock and/or vibration environment. To prevent the standoff from stripping or cross-
threading, use non-threaded carrier board standoffs to mount threaded cooling solutions.
3. For applications that require vertically-mounted cooling solution, use only coolers that secure the thermal stacks with fixing post. Without
the fixing post feature, the thermal stacks may move.
4. Do not exceed the recommended maximum torque. Doing so may damage the module or the carrier board, or both.

Copyright © 2020 congatec AG SX8Xm01 19/32
4.1 CSP Dimensions
3.2
7 (2x)
4.2 (4x)
2.7 (2x)
R4 (4x)
0
8
0 4 78 82
53
4
22
21.4
33.6
38
42
8 7457.8
A
A
ø
2.7 x 6 mm
non-threaded standoff
for borehole version
15°
2.8
10.8
1.5
A-A
1.6
0.2
4
4
22

Copyright © 2020 congatec AG SX8Xm01 20/32
4.2 HSP Dimensions
4
54
249
4
ø
2.7 x 6 mm
non-threaded standoff
for borehole version
6
3.2
M3 (4x)
A-A (2 : 1)
1.6
1.6
0.2
0.1
A
0.2
A
2.8
2.8
74
34
14
0
4
9
22
33
38
42
0
4
14
21.4
57.9
68
78
82
AA
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