iWave iW-RainboW-G34D Installation manual

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
iW-RainboW-G34D/G37D
i.MX 8M Mini or i.MX 8M Nano SODIMM
Development Platform
Hardware User Guide

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Document Revision History
Document Number
iW-PREVD-UM-01-R2.1-REL0.2-i.MX 8M Mini-Nano_DevKit
Revision
Date
Change Description
0.1
23rd Oct 2020
Initial Draft Release Version
0.2
30th Nov 2020
*Updated SoC naming as per NXP standard
*Added SODIMM MIPI Daughter Board information
PROPRIETARY NOTICE: This document contains proprietary material for the sole use of the intended recipient(s). Do
not read this document if you are not the intended recipient. Any review, use, distribution or disclosure by others is
strictly prohibited. If you are not the intended recipient (or authorized to receive for the recipient), you are hereby
notified that any disclosure, copying distribution or use of any of the information contained within this document is
STRICTLY PROHIBITED. Thank you. “iWave Systems Tech. Pvt. Ltd.”

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Disclaimer
iWave Systems reserves the right to change details in this publication including but not limited to any Product specification
without notice.
No warranty of accuracy is given concerning the contents of the information contained in this publication. To the extent
permitted by law no liability (including liability to any person by reason of negligence) will be accepted by iWave Systems, its
subsidiaries or employees for any direct or indirect loss or damage caused by omissions from or inaccuracies in this
document.
SOC and other major components used in this product may have several silicon errata associated with it. Under no
circumstances, iWave Systems shall be liable for the silicon errata and associated issues.
Trademarks
All registered trademarks, product names mentioned in this publication are the property of their respective owners and used
for identification purposes only.
Certification
iWave Systems Technologies Pvt. Ltd. is an ISO 9001:2015 Certified Company.
Warranty & RMA
Warranty support for Hardware: 1 Year from iWave or iWave's EMS partner.
For warranty terms, go through the below web link,
http://www.iwavesystems.com/support/warranty.html
For Return Merchandise Authorization (RMA), go through the below web link,
http://www.iwavesystems.com/support/rma.html
Technical Support
iWave Systems technical support team is committed to provide the best possible support for our customers so that our
Hardware and Software can be easily migrated and used.
For assistance, contact our Technical Support team at,
Email : [e-mail]
Website : www.iwavesystems.com
Address : iWave Systems Technologies Pvt. Ltd.
# 7/B, 29th Main, BTM Layout 2nd Stage,
Bengaluru, Karnataka,
India –560076

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Table of Contents
1. INTRODUCTION ............................................................................................................................................8
1.1 Purpose .............................................................................................................................................................8
1.2 Overview ...........................................................................................................................................................8
1.3 List of Acronyms................................................................................................................................................8
1.4 Terminlogy Description...................................................................................................................................10
1.5 References ......................................................................................................................................................10
2. ARCHITECTURE AND DESIGN-SODIMM CARRIER BOARD.............................................................................. 11
2.1 i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Block Diagram ........................................11
2.2 i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Features .................................................12
2.3 SODIMM Edge Connector...............................................................................................................................14
2.4 Serial Interface Features.................................................................................................................................26
2.4.1 Debug UART ................................................................................................................................................26
2.4.2 Data UART Header ......................................................................................................................................27
2.5 Communication Features................................................................................................................................28
2.5.1 10/100/1000Mbps Ethernet -1 ...................................................................................................................28
2.5.2 10/100/1000 Mbps Ethernet-2 (Optional) (Not available in Nano)............................................................29
2.5.3 USB2.0 Device .............................................................................................................................................30
2.5.4 USB2.0 Host (Not available in Nano) ..........................................................................................................31
2.5.5 MicroSD Slot................................................................................................................................................32
2.6 High Speed Interfaces.....................................................................................................................................33
2.6.1 Mini PCIe Port..............................................................................................................................................33
2.7 Audio/Video Features.....................................................................................................................................36
2.7.1 Audio IN/OUT Jack ......................................................................................................................................36
2.8 Additional Features.........................................................................................................................................37
2.8.1 MIPI CSI Camera Connector ........................................................................................................................37
2.8.2 MIPI DSI Display Interface Connector..........................................................................................................39
2.8.3 Boot Mode Switch .......................................................................................................................................41
2.8.4 Reset Switch ................................................................................................................................................42
2.8.5 Power On/Off Switch...................................................................................................................................43
2.8.6 JTAG Header................................................................................................................................................43
2.8.7 RTC Coin Cell Holder....................................................................................................................................45
2.9 Expansion Header ...........................................................................................................................................45
2.10 GPIO Header....................................................................................................................................................47
3. ARCHITECTURE AND DESIGN-SODIMM MIPI DAUGHTER BOARD.................................................................. 49
3.1 i.MX 8M Mini or i.MX 8M Nano SODIMM MIPI Daughter Board Block Diagram ...........................................49
3.2 SODIMM MIPI Daughter Board Features........................................................................................................50
3.3 Video Features ................................................................................................................................................51
3.3.1 MIPI DSI Display ..........................................................................................................................................51
3.3.2 MIPI CSI Camera..........................................................................................................................................53
4. TECHNICAL SPECIFICATION.......................................................................................................................... 55

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
4.1 Electrical Characteristics .................................................................................................................................55
4.1.1 Power Input Requirement ...........................................................................................................................55
4.2 Environmental Characteristics........................................................................................................................57
4.2.1 Environmental Specification........................................................................................................................57
4.2.2 RoHS Compliance ........................................................................................................................................57
4.2.3 Electrostatic Discharge................................................................................................................................57
4.3 Mechanical Characteristics .............................................................................................................................58
4.3.1 i.MX 8M Mini or i.MX 8M Nano SODIMM Carrier Board Mechanical Dimensions.....................................58
5. ORDERING INFORMATION .......................................................................................................................... 59
6. APPENDIX................................................................................................................................................... 61
6.1 Guidelines to insert the i.MX 8M Mini or i.MX 8M Nano SODIMM SOM into Carrier Board.........................61
6.2 Guidelines to remove the i.MX 8M Mini or i.MX 8M Nano SODIMM SOM from Carrier board ....................61

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
List of Figures
Figure 1: i.MX 8M Mini or i.MX 8M Nano SODIMM SOM Development Platform Block Diagram.................................11
Figure 2: SODIMM Connector.........................................................................................................................................14
Figure 3: Debug UART .....................................................................................................................................................26
Figure 4: Data UART Header ...........................................................................................................................................27
Figure 5: 10/100/1000Mbps RJ45 MagJack -1................................................................................................................28
Figure 6: 10/100/1000Mbps RJ45 MagJack-2.................................................................................................................29
Figure 7: USB2.0 Device Port ..........................................................................................................................................30
Figure 8: USB 2.0 Host Ports ...........................................................................................................................................31
Figure 9: Micro SD Connector.........................................................................................................................................32
Figure 10: Mini PCIe Slot.................................................................................................................................................33
Figure 11: Audio IN/OUT Jack .........................................................................................................................................36
Figure 12: MIPI CSI Camera FPC Connector....................................................................................................................37
Figure 13: MIPI DSI display interface Connector ............................................................................................................39
Figure 14: Boot Switch....................................................................................................................................................41
Figure 15: Reset Switch...................................................................................................................................................42
Figure 16: Power On/Off Switch .....................................................................................................................................43
Figure 17: JTAG Header...................................................................................................................................................44
Figure 18: RTC Coin Cell Holder ......................................................................................................................................45
Figure 19: Expansion Header ..........................................................................................................................................46
Figure 20: GPIO Header...................................................................................................................................................47
Figure 21: SODIMM MIPI Daughter Board Block Diagram..............................................................................................49
Figure 22: SODIMM MIPI Daughter Board MIPI Connectors..........................................................................................50
Figure 23: MIPI DSI Display Connector ...........................................................................................................................51
Figure 24: MIPI Camera Connector.................................................................................................................................53
Figure 25: Power Jack......................................................................................................................................................55
Figure 26: Mechanical dimension of i.MX 8M Mini or i.MX 8M Nano SODIMM Carrier Board .....................................58
Figure 27: Mechanical dimension of i.MX 8M Mini or i.MX 8M Nano Carrier Board - Side View..................................58
Figure 28: i.MX 8M Mini or i.MX 8M Nano SODIMM Module Insertion procedure.......................................................61
Figure 29: i.MX 8M Mini or i.MX 8M Nano SODIMM Module Removal procedure.......................................................61

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
List of Tables
Table 1: Acronyms & Abbreviations..................................................................................................................................8
Table 2: Terminology ......................................................................................................................................................10
Table 3: 200-Pin PCB Edge Connector Pin Assignment...................................................................................................15
Table 4: Debug UART Connector Pin Out........................................................................................................................26
Table 5: Data UART Header Pin Out................................................................................................................................27
Table 6: Mini PCIe Slot Pinout.........................................................................................................................................33
Table 7: Audio In/Out Jack Pin Out .................................................................................................................................36
Table 8: 40 Pin -MIPI CSI Camera FPC Connector ...........................................................................................................38
Table 9: 20 Pin -MIPI DSI Connector Pin Out ..................................................................................................................40
Table 10: i.MX 8M Mini Boot Mode Settings..................................................................................................................41
Table 11: i.MX 8M Nano Boot Mode Settings.................................................................................................................42
Table 12: JTAG Header....................................................................................................................................................44
Table 13: RTC Coin Cell Holder Pin Out...........................................................................................................................45
Table 14: Expansion Header Pin Out...............................................................................................................................46
Table 15: GPIO Header Pin Out.......................................................................................................................................48
Table 16: MIPI Display Connector Pinout .......................................................................................................................51
Table 17: MIPI Camera Connector Pin Out.....................................................................................................................53
Table 18: Power Jack Pin Out..........................................................................................................................................55
Table 19: Power Input Requirement...............................................................................................................................56
Table 20: Environmental Specification ...........................................................................................................................57
Table 21: i.MX 8M Mini Orderable Product Part Numbers ............................................................................................59
Table 22: i.MX 8M Nano Orderable Product Part Numbers...........................................................................................60

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
1. INTRODUCTION
1.1 Purpose
The i.MX 8M Mini or i.MX 8M Nano SODIMM development platform incorporates i.MX 8M Mini or i.MX 8M Nano SOC based
SODIMM SOM and SODIMM Carrier board for complete validation of i.MX 8M Mini or i.MX 8M Nano SOC functionality. This
document is the hardware user guide for the i.MX 8M Mini or i.MX 8M Nano SODIMM carrier board. This guide provides
detailed information on the overall design and usage of the SODIMM carrier board and SODIMM MIPI daughter board from
a hardware system perspective. The details about the i.MX 8M Mini or i.MX 8M Nano SODIMM SOM hardware is explained
in i.MX 8M Mini or i.MX 8M Nano SOM user manual document “iW-RainboW-G34M_G37M-i.MX_8M_Mini_Nano-SODIMM-
SOM-HardwareUserGuide-R1.0-REL1.x.pdf”.
1.2 Overview
The SODIMM is a versatile small form factor computer Module targeting applications that require low power, low cost and
high performance.
iW-RainboW-G34D Development Platform comes with SODIMM Carrier board, SODIMM MIPI Daughter board and i.MX 8M
Mini or i.MX 8M Nano based SODIMM SOM along with 5.5-inch Capacitive Touch Display. The development board can be
used for quick prototyping of various applications targeted by the i.MX 8M Mini or i.MX 8M Nano processor. With the
100mmx720mm Pico ITX size, SODIMM carrier board is highly packed with all the necessary on-board connectors to validate
the features of i.MX 8M Mini or i.MX 8M Nano SODIMM SOM.
1.3 List of Acronyms
The following acronyms will be used throughout this document.
Table 1: Acronyms & Abbreviations
Acronyms
Abbreviations
ARM
Advanced RISC Machine
CMOS
Complementary Metal-Oxide Semiconductor
CPU
Central Processing Unit
CSI
Camera Serial Interface
CTS
Clear to Send
DSI
Display Serial Interface
eMMC
Enhanced Multi Media Card
GB
Giga Byte
Gbps
Gigabits per sec
GPIO
General Purpose Input Output
Hz
Hertz
I2C
Inter-Integrated Circuit

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Acronyms
Abbreviations
I2S
Inter-IC Sound
IC
Integrated Circuit
JTAG
Joint Test Action Group
LCD
Liquid Crystal Display
LVDS
Low Voltage Differential Signalling
Mbps
Megabits per sec
MHz
Mega Hertz
MIPI
Mobile Industry Processor Interface
NC
Not Connected
PCB
Printed Circuit Board
PCIe
Peripheral Component Interconnect Express
PWM
Pulse Width Modulation
ROHS
Restriction of Hazardous Substances
RTC
Real Time Clock
RTS
Request to Send
SDIO
Secure Digital Input Output
SOM
System On Module
UART
Universal Asynchronous Receiver/Transmitter
USB
Universal Serial Bus
USB OTG
USB On The Go
V
Voltage

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Guide
1.4 Terminlogy Description
In this document, wherever Signal Type is mentioned, below terminology is used.
Table 2: Terminology
Terminology
Description
I
Input Signal
O
Output Signal
IO
Bidirectional Input/output Signal
CMOS
Complementary Metal Oxide Semiconductor Signal
DIFF
Differential Signal
MIPI
Mobile Industry Processor Interface signals
OD
Open Drain Signal
OC
Open Collector Signal
Analog
Analog Signal
Power
Power Pin
PU
Pull Up
PD
Pull Down
NA
Not Applicable
NC
Not Connected
Note: Signal Type does not include internal pull-ups or pull-downs implemented by the chip vendors and only includes the
pull-ups or pull-downs implemented on board.
1.5 References
•IMX8MMIEC_Rev_x.pdf
•IMX8MNIEC_Rev_x.pdf

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iWave Systems Technologies Pvt. Ltd.
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Guide
2. ARCHITECTURE AND DESIGN-SODIMM CARRIER BOARD
This section provides detailed information about the i.MX 8M Mini or i.MX 8M Nano SODIMM development platform carrier
board features with high level block diagram and detailed information about each block.
2.1 i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Block Diagram
iWave Systems Technologies Pvt. Ltd.
[email protected]
iW-RainboW-G34D/G37D-i.MX 8M Mini or i.MX 8M Nano
SODIMM SOM Development Platform Block Diagram
SODIMM MIPI
Daughter
Board
SODIMM
PCB Edge Connector
(200Pin)
UART2
ECSPI2
uSDHC2
SAI5
JTAG
3.3V
Power IN
USBOTG1
RJ45 Mag Jack2*
USB TypeA
Connector2
USB 2.0 Device
USB Connector
Micro AB
I2S Audio Codec Audio In/Out
Connector
I2S
Power Jack
(5V)
3.3V Power Regulator
To On-Board Power
Circuit & Peripherals
Micro SD
Connector
SDIO x 1
JTAG Header JTAG
UART Header
USBOTG23
RJ45 Mag Jack1
USB TypeA
Connector1
RTC
Boot Mode,
ONOFF, RST
Control
Switches
RTC Battery
UART x 1
2 Port
USB HUB
GPIO
PWM2
20 Pin
Expansion
Header
PWM x1
20 Pin GPIO
Header
GPIO x 4
ECSPI x 1*
PCIe to GBE11,3
Mini PCIe
Connector
UART1*
UART3
ECSPI3
I2C
PCIe x 1
UART x 2
I2C2
I2C32
MIPI CSI2
MIPI DSI220 Pin
Connector
40 Pin
Connector
MIPI CSI x 1
MIPI DSI x1
I2C x 1
ECSPI x 1
ECSPI1 MOSI,CLK
ECSPI1 MISO,CS
10/100/1000Mbps Ethernet
10/100/1000Mbps Ethernet
PCIe1,3
ECSPI1
ENET to GBE0
USB_HUBP1
USB_HUBP2
MIPI CSI Conn.
MIPI DSI Conn.
USB to UART
Transceiver
Debug
USB Micro AB
Connector
UART
USB UART4
GPIO GPIO x 1
Note:
1.IMX 8M Mini PCIe interface is shared with Mini PCIe Connector and on-SOM PCIe to Ethernet PHY. By default Mini PCIe is supported and RJ45 Mag Jack2 is Optional.
2.I2C3,MIPI CSI and DSI interface can be validated only with an add on board –SODIMM MIPI daughter board
3.Not available in Nano.
*Optional
Figure 1: i.MX 8M Mini or i.MX 8M Nano SODIMM SOM Development Platform Block Diagram

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iWave Systems Technologies Pvt. Ltd.
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2.2 i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Features
i.MX 8M Mini or i.MX 8M Nano SODIMM Carrier board supports the following features to support various interfaces from
i.MX 8M Mini or i.MX 8M Nano SODIMM SOM Edge connector
Serial Interface Features
•Debug UART through USB Micro AB Connector
•DATA UART x 1 Port through Header
Communication Features
•10/100/1000 Mbps Ethernet through RJ45MagJack-1
•10/100/1000 Mbps PCIe to Ethernet PHY through RJ45MagJack-2 (Optional) (Not available in Nano)1
•USB 2.0 OTG as a device x 1 Port through Micro AB Connector
•USB 2.0 Host x 2 Ports through USB Type-A Connector (Not available in Nano)
•SD x 1 Port through Micro SD Connector
High Speed Interfaces
•Mini PCIe x 1 Port (Not available in Nano)1
Audio/Video Features
•I2S Audio Codec with 3.5mm Audio IN/OUT jack
Additional Features
•MIPI CSI FPC Connector (40Pin) 3
•MIPI DSI Connector (20Pin)3
•Boot Mode Switch
•Reset Switch
•Power On/off Switch
•20-Pin JTAG Connector
•RTC Coin Cell Holder
20Pin Expansion Header
•Data UART x 2 Port2 (One is Optional)
•PWM x 1 Port
•ECSPI x 2 Port (One is Optional)
20Pin GPIO Header
•ECSPI x 1
•GPIOs

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General Specification
•Power Supply : 5V,2.5A Power Input Jack
•Form Factor : 100mm X 72m Pico ITX
¹ i.MX 8M Mini SOC’s PCIe interface, by default is connected to Mini PCIe Port of the Development board and is optionally
connected to On-SOM PCIe to Ethernet PHY controller.
2UART1 is optionally connected to On-SOM Wifi module through resistor and by default not populated, if On SOM Wifi module
is used, UART1 interface cannot be supported in 20Pin Expansion Connector of SODIMM carrier card.
3i.MX 8M Mini or i.MX 8M Nano SOC’s MIPI CSI and MIPI DSI interface is validated with iWave’s SODIMM MIPI daughter
Board where signals are connected from MIPI CSI FPC Connector (40Pin) & MIPI DSI Connector (20Pin) of SODIMM carrier
card.
i.MX 8M Mini or i.MX 8M Nano SODIMM MIPI daughter board supports the following features to validate the MIPI CSI and
MIPI DSI signals coming from the i.MX 8M Mini or i.MX 8M Nano SODIMM SOM Edge connector, connected to the daughter
board through Carrier Board MIPI CSI FPC and MIPI DSI Connector.
Audio/Video Features
•MIPI DSI 4lane Display Connector with Capacitive Touch
•MIPI CSI 2lane/4lane Camera Connector

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iWave Systems Technologies Pvt. Ltd.
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2.3 SODIMM Edge Connector
i.MX 8M Mini or i.MX 8M Nano SODIMM Carrier board supports 200 Pin SODIMM Edge mating connector for SODIMM SOM
attachment. This standard 200-pin robust connector is capable of handling high-speed signals and can be used for size
constrained embedded applications. This SODIMM Edge mating connector (J14) is physically located at the top of the board
as shown below.
Figure 2: SODIMM Connector

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iWave Systems Technologies Pvt. Ltd.
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Guide
Table 3: 200-Pin PCB Edge Connector Pin Assignment
Pin
No.
SODIMM Edge Connector
Signal Name
SOC Ball Name/
Pin Number
Signal Type/
Termination
Description
1
GND
NA
Power
Ground.
2
GPHY1_ATXRXM
NA
IO, DIFF
Gigabit Ethernet differential pair 1 negative.
3
VDVDH_GPHY1*
NA
O, Power
Power for Centre Tap.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
4
GPHY1_ATXRXP
NA
IO, DIFF
Gigabit Ethernet differential pair 1 positive.
5
GND
NA
Power
Ground.
6
GPHY1_BTXRXM
NA
IO, DIFF
Gigabit Ethernet differential pair 2 negative
7
UART3_RXD
UART3_RXD/E18
I, 3.3V CMOS
UART3 serial data receiver.
8
GPHY1_BTXRXP
NA
IO, DIFF
Gigabit Ethernet differential pair 2 positive.
9
UART3_TXD
UART3_TXD/D18
O, 3.3V CMOS
UART3 serial data transmitter.
10
NC
NA
-
NC.
11
GPHY1_LINK_LED2
NA
O, 2.5V CMOS
Ethernet link status LED.
12
GPHY1_ACTIVITY_LED1
NA
O, 2.5V CMOS
Ethernet Activity status LED.
13
GND
NA
Power
Ground.
14
GPHY1_CTXRXM
NA
IO, DIFF
Gigabit Ethernet differential pair 3 negative.
15
GPHY1_DTXRXM
NA
IO, DIFF
Gigabit Ethernet differential pair 4 negative
16
GPHY1_CTXRXP
NA
IO, DIFF
Gigabit Ethernet differential pair 3 positive.
17
GPHY1_DTXRXP
NA
IO, DIFF
Gigabit Ethernet differential pair 4 positive.
18
I2C3_SCL*
I2C3_SCL/E10
O, 3.3V
OD/4.7K PU
I2C3 Clock signal.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
19
I2C3_SDA*
I2C3_SDA/F10
IO, 3.3V
OD/4.7K PU
I2C3 Data signal.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
20
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
21
NC
NA
NA
NC.
22
NC
NA
NA
NC.
23
NC
NA
NA
NC.
24
NC
NA
NA
NC.
25
NC
NA
NA
NC.
26
NC
NA
NA
NC.
27
GND
NA
Power
Ground.
28
NC
NA
NA
NC.
29
NC
NA
NA
NC.
30
GPHY2_ACTIVITY_LED1
(NC in Nano)*
NA
O, 3.3V CMOS
Second Ethernet Activity status LED.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated

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iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Pin
No.
SODIMM Edge Connector
Signal Name
SOC Ball Name/
Pin Number
Signal Type/
Termination
Description
31
NC
NA
NA
NC.
32
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
33
GPHY2_LINK_LED2 (NC in
Nano)*
NA
O, 3.3V CMOS
Second Ethernet link status LED.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
34
GPHY2_ATXRXM (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 1
negative.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
35
GPHY2_BTXRXM (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 2
negative.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
36
GPHY2_ATXRXP (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 1
positive.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
37
GPHY2_BTXRXP (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 2
positive.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
38
UART2_CTS_B(SAI3_RXC)
SAI3_RXC/AG7
O, 3.3V CMOS
UART2 Clear to Send.
39
USB2_OTG_OC(GPIO1_15
)
GPIO1_IO15/AB9
I, 3.3V CMOS
Over current sense for USB2 Host Port.
40
GND
NA
Power
Ground.
41
GND
NA
Power
Ground.
42
GPHY2_CTXRXM (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 3
negative.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
43
GPHY2_DTXRXM (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 4
negative.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
44
GPHY2_CTXRXP (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 3
positive.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
45
GPHY2_DTXRXP (NC in
Nano)*
NA
IO, DIFF
Second Gigabit Ethernet differential pair 4
positive.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated

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Pin
No.
SODIMM Edge Connector
Signal Name
SOC Ball Name/
Pin Number
Signal Type/
Termination
Description
46
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
47
SAI1_RXD0 (NC in Nano)
SAI1_RXD0/AG15
I, 3.3V CMOS/
4.7K PU
SAI1 Receiver Data 0.
Note: These signals are also used for i.MX8M Mini
SOC boot media setting on SOM and so no
external loads or pull-up/pull-down resistors to be
connected to these pins which will change the
boot configuration
48
MIPI_DSI_DATA0_N
MIPI_DSI_D0_N/
A9
O, MIPI
MIPI DSI differential data lane0 negative.
49
VDVDH_GPHY2 (NC in
Nano)*
NA
NC
NC.
This Signal is Optionally Connected to SODIMM
Edge. Default not Populated
50
MIPI_DSI_DATA0_P
MIPI_DSI_D0_P/B
9
O, MIPI
MIPI DSI differential data lane0 positive.
51
GND
NA
Power
Ground.
52
MIPI_DSI_DATA1_N
MIPI_DSI_D1_N/
A10
O, MIPI
MIPI DSI differential data lane1 negative.
53
MIPI_DSI_DATA2_N
MIPI_DSI_D2_N/
A12
O, MIPI
MIPI DSI differential data lane2 negative.
54
MIPI_DSI_DATA1_P
MIPI_DSI_D1_P/B
10
O, MIPI
MIPI DSI differential data lane1 positive.
55
MIPI_DSI_DATA2_P
MIPI_DSI_D2_P/B
12
O, MIPI
MIPI DSI differential data lane2 positive.
56
MIPI_DSI_DATA3_N
MIPI_DSI_D3_N/
A13
O, MIPI
MIPI DSI differential data lane3 negative.
57
MIPI_DSI_CLK_N
MIPI_DSI_CLK_N/
A11
O, MIPI
MIPI DSI differential Clock negative.
58
MIPI_DSI_DATA3_P
MIPI_DSI_D3_P/B
13
O, MIPI
MIPI DSI differential data lane3 positive.
59
MIPI_DSI_CLK_P
MIPI_DSI_CLK_P/
B11
O, MIPI
MIPI DSI differential Clock positive.
60
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
61
SAI5_RX_DATA0(SAI5_RX
D0)
SAI5_RXD0/AD18
I, 3.3V CMOS
SAI5 Receive Data Lane 0.
62
ECSPI2_SS0
ECSPI2_SS0/A6
O, 3.3V CMOS
SPI2 Chip select signal.
63
ECSPI2_MISO
ECSPI2_MISO/A8
I, 3.3V CMOS
SPI2 Master Input Slave Output.
64
GPIO_CLK(SAI5_MCLK)
SAI5_MCLK/AD15
O, 3.3V CMOS
Master Clock for Audio codec.
65
GND
NA
Power
Ground.
66
ECSPI2_SCLK
ECSPI2_SCLK/E6
O, 3.3V CMOS
SPI2 clock signal.

REL0.2
Page 18 of 62
iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Pin
No.
SODIMM Edge Connector
Signal Name
SOC Ball Name/
Pin Number
Signal Type/
Termination
Description
67
SAI5_TX_DATA0(SAI5_RX
D3)
SAI5_RXD3/AC13
O, 3.3V CMOS
SAI5 Transmit Data Lane 0.
68
SAI1_RXD2 (NC in Nano)
SAI1_RXD2/AG17
I, 3.3V CMOS
100k PD
SAI1 Receiver Data 2.
Note: These signals are also used for i.MX8M Mini
SOC boot media setting on SOM and so no
external loads or pull-up/pull-down resistors to be
connected to these pins which will change the
boot configuration
69
NC
NA
NA
NC.
70
ECSPI2_MOSI
ECSPI2_MOSI/B8
O, 3.3V CMOS
SPI2 Master Output Slave Input.
71
GPIO1_6
GPIO1_IO06/AG1
1
IO, 3.3V CMOS
General Purpose Input Output.
72
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
73
GPIO1_7
GPIO1_IO07/AF1
1
IO, 3.3V CMOS
General Purpose Input Output.
74
SAI1_RXC (NC in Nano)
SAI1_RXC/AF16
I, 3.3V CMOS
SAI1 Receiver Clock Input.
Note: This signal is by default configured as
General-Purpose Input Output.
75
UART2_RTS_B(SAI3_RXD)
SAI3_RXD/AF7
I, 3.3V CMOS
UART2 Request to Send.
76
USB1_OTG_OC(GPIO1_13
)
GPIO1_IO13/AD9
I, 3.3V CMOS
USB1 OTG port Over current sense.
77
USB1_ID
USB1_ID/D22
I, 3.3V CMOS
USB1 OTG ID to identify Host & Device.
78
USB1_OTG_PWR(GPIO1_
12)
GPIO1_IO12/AB1
0
O, 3.3V CMOS
USB OTG1 Power enable GPIO
79
GND
NA
Power
Ground.
80
ECSPI1_SCLK
ECSPI1_SCLK/D6
O, 3.3V CMOS
SPI1 clock signal.
81
USB1_DP
USB1_DP/B22
IO, USB
USB1 2.0 OTG High Speed Data Positive.
82
CLKOUT1
CLKOUT1/ H26
O, 3.3V CMOS
Clock OUT1 from SOC
83
USB1_DN
USB1_DN/A22
IO, USB
USB1 2.0 OTG High Speed Data Negative.
84
CLKOUT2
CLKOUT2/J26
O, 3.3V CMOS
Clock OUT2 from SOC
85
CLKIN1
CLKIN1/ H27
I, 3.3V CMOS
Clock IN1 to SOC
86
NC
NA
NA
NC.
87
CLKIN2
CLKIN2/ J27
I, 3.3V CMOS
Clock IN2 to SOC
88
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
89
SAI5_TX_SYNC(SAI5_RXD
1)
SAI5_RXD1/AC14
O, 3.3V CMOS
SAI5 Transmitter Frame Sync
90
SAI5_TX_BCLK(SAI5_RXD2
)
SAI5_RXD2/AD13
O, 3.3V CMOS
SAI5 Transmitter Bit Clock
91
SAI5_RX_BCLK(SAI5_RXC)
SAI5_RXC/AC15
I, 3.3V CMOS
SAI5 Receiver Bit Clock.

REL0.2
Page 19 of 62
iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Pin
No.
SODIMM Edge Connector
Signal Name
SOC Ball Name/
Pin Number
Signal Type/
Termination
Description
Note: This signal is by default configured as
General-Purpose Input Output.
92
SAI5_RX_SYNC(SAI5_RXFS
)
SAI5_RXFS/AB15
I, 3.3V CMOS
SAI5 Receiver Frame Sync.
Note: This signal is by default configured as
General-Purpose Input Output.
93
NC
NA
NA
NC.
94
ECSPI1_MISO
ECSPI1_MISO/A7
I, 3.3V CMOS
SPI1 Master Input Slave Output.
95
GND
NA
Power
Ground.
96
ECSPI1_MOSI
ECSPI1_MOSI/B7
O, 3.3V CMOS
SPI1 Master Output Slave Input.
97
ECSPI1_SS0
ECSPI1_SS0/B6
O, 3.3V CMOS
SPI1 Chip select signal.
98
UART1_TXD*
SAI2_RXFS/AC19
O, 3.3V CMOS
UART1 serial data transmitter.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
99
UART1_RXD*
SAI2_RXC/AB22
I, 3.3V CMOS
UART1 serial data receiver.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
100
UART1_CTS_B*
SAI2_TXFS/AD23
O, 3.3V CMOS
UART1 Clear to Send.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
101
UART1_RTS_B*
SAI2_RXD0/AC24
I, 3.3V CMOS
UART1 Request to Send.
Note: This Signal is Optionally Connected to
SODIMM Edge. Default not Populated
102
UART2_TX(SAI3_TXC)
SAI3_TXC/AG6
O, 3.3V CMOS
UART2 serial data transmitter.
103
UART2_RX(SAI3_TXFS)
SAI3_TXFS/AC6
I, 3.3V CMOS
UART2 serial data receiver.
104
SAI1_RXFS (NC in Nano)
SAI1_RXFS/AG16
I, 3.3V CMOS
SAI1 Receiver Frame Sync
Note: This signal is by default configured as
General-Purpose Input Output.
105
SD2_CD_B
SD2_CD_B/AA26
I, 3.3V/1.8V
CMOS
SD Card Detect
106
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
107
SD2_DATA0
SD2_DATA0/AB23
IO, 3.3V/1.8V
CMOS
SD data 0 line.
108
SD2_CMD
SD2_CMD/W24
IO, 3.3V/1.8V
CMOS
SD command line.
109
SD2_CLK
SD2_CLK/W23
O, 3.3V/1.8V
CMOS
SD Clock Line.
110
NC
NA
NA
NC.
111
SD2_DATA1
SD2_DATA1/AB24
IO, 3.3V/1.8V
CMOS
SD data 1 line.
112
SD2_DATA2
SD2_DATA2/V24
IO, 3.3V/1.8V
CMOS
SD data 2 line
113
GND
NA
Power
Ground.

REL0.2
Page 20 of 62
iWave Systems Technologies Pvt. Ltd.
i.MX 8M Mini or i.MX 8M Nano SODIMM Development Platform Hardware User
Guide
Pin
No.
SODIMM Edge Connector
Signal Name
SOC Ball Name/
Pin Number
Signal Type/
Termination
Description
114
SD2_DATA3
SD2_DATA3/V23
IO, 3.3V/1.8V
CMOS
SD data 3 line.
115
I2C2_SDA
I2C2_SDA/D9
IO, 3.3V
OD/4.7K PU
I2C2 Data signal.
116
I2C2_SCL
I2C2_SCL/D10
O, 3.3V
OD/4.7K PU
I2C2 Clock signal.
117
UART4_RXD
UART4_RXD/F19
I, 3.3V CMOS
Debug UART Receiver.
118
UART4_TXD
UART4_TXD/F18
O, 3.3V CMOS
Debug UART Transmitter
119
NC
NA
NA
NC.
120
NC
NA
NA
NC.
121
BCONFIG_1(GPIO5_1) *
SAI3_TXD/AF6
IO,3.3V CMOS
10 PU & PD
General Purpose Input/Output.
Note: Termination will differ based on SOM
configuration number setting. Optionally
Connected to SODIMM Edge. Default not
Populated
122
NC
NA
NA
NC.
123
SAI1_RXD5 (NC in Nano)
SAI1_RXD5/AF18
I, 3.3V CMOS
4.7K PU
SAI1 Receiver Data 5.
Note: These signals are also used for i.MX8M Mini
SOC boot media setting on SOM and so no
external loads or pull-up/pull-down resistors to be
connected to these pins which will change the
boot configuration external loads or pull-up/pull-
down resistors to be connected to these pins
which will change the boot configuration
124
VIN_3V3
NA
I, 3.3V Power
Supply Voltage.
125
PWM2_OUT(I2C4_SCL)
I2C4_SCL/D13
O, 3.3V CMOS
Pulse Width Modulation 2 Output
126
BCONFIG_0(GPIO1_9) *
GPIO1_IO09/
AF10
IO,1.8/3.3V
CMOS
General Purpose Input/Output.
Note: Termination will differ based on SOM
configuration number setting. Optionally
Connected to SODIMM Edge. Default not
Populated
127
PCIE_TXP (NC in Nano)
PCIE_TXN_P/B20
O, PCIe/
0.1uF AC
Coupled
PCIe Transmit Positive.
128
PCIE_RXP (NC in Nano)
PCIE_RXN_P/B19
I, PCIe
PCIe Receive Positive
129
PCIE_TXN (NC in Nano)
PCIE_TXN_N/A20
O, PCIe/
0.1uF AC
Coupled
PCIe Transmit Negative.
130
PCIE_RXN (NC in Nano)
PCIE_RXN_N/A19
I, PCIe
PCIe Receive Negative
131
GND
NA
Power
Ground.
132
GPIO_RESET(GPIO5_2)
SAI3_TXD/AF6
O, 3.3V CMOS
General Purpose Reset Output.