i.MX8 DXL SOM Hardware User Manual
Revisions and Notes
Date
Owner
Revision
Notes
14 Feb 2024
Noam Weidenfeld
1.0
Oct 9, 2024
Josua Mayer
1.1
Added missing Tables for odd numbered pins of b2b connectors
Nov 10, 2024
Josua Mayer
1.2
Added u.FL connector labels
Introduction
This User Manual relates to the SolidRun IMX8 DXL series, which includes.
Dual core ARM A35 (1.2GHz) w Cortex-M4 (266 MHz).
Single core ARM A35 (1.2GHz) w Cortex-M4 (266 MHz).
Overview
The SolidRun’s SR-SOM-MX8 family is a high-performance micro system on module (S.O.M.) based on the highly integrated Freescale i.MX8M family of products including the IMX8M, IMX8M-Mini, IMX8M-Plus and IMX8 DXL.
The IMX8 DXL is targeting the Automotive After-Market.
Highlighted Features
Ultra-small footprint SOM (50x35mm) including two board-to-board connectors (160 total pins number).
Freescale i.MX8 DXL SoC supports Solo and DUAL Lite versions.
Up to Dual Cortex A35 and up to 1.2GHz
Cortex-M4 subsystem processor supports real time tasks.
High security engines and Tamper detection.
A single Ethernet interface (RGMII).
Two USB 2.0 (OTG) interfaces.
Up to three CAN interfaces.
A single PCIe 3.0 interface.
High industrial reliability with in-line ECC on LPDDR and on on-chip RAM.
LPDDR4 memory in x16 configurations supports up to 4GB and up to 2.4GT/s.
Up to 64GB eMMC.
SAF5400 DSRC modem/dual antenna (u.FL) and AFE supporting the V2X application.
SFX1800 security element for the V2X applications.
MIA-M10Q GPS (u.FL) module supporting all protocols.
3D accelerometer and 3D gyroscope, Barometer and Magnetometer sensors support.
Power management devices
Automotive temperature grade support.
Supporting Products
The following products are provided from SolidRun both as production level platforms and as reference examples on how to incorporate the SOM in different levels of integration:
HummingBoard V2X– A board computer that incorporates the SOM retains the same Android and different Linux distributions while adding extra hardware functionalities and access to the hardware.
Description
Block Diagram
The following figure describes the IMX8 DXL Blocks Diagram.
Features Summary
Following is the features summary of the SOM. Notice that some of the features are pinout multiplexed (please refer to the pin mux table below and the Freescale i.MX8-XLite data sheets):
Ultra-small footprint SOM (50x35mm) including two board-to-board connectors (160 total pins number).
Freescale i.MX8 DXL SoC supports Solo and DUAL Lite versions.
Up to Dual Cortex A35 and up to 1.2GHz
Cortex-M4 subsystem processor supports real time tasks.
High security engines and Tamper detection.
A single Ethernet interface (RGMII).
Two USB 2.0 (OTG) interfaces.
Up to three CAN interfaces.
A single PCIe 3.0 interface.
High industrial reliability with in-line ECC on LPDDR and on on-chip RAM.
LPDDR4 memory in x16 configurations supports up to 4GB and up to 2.4GT/s.
Up to 64GB eMMC.
SAF5400 DSRC modem/dual antenna (u.FL) and AFE supporting the V2X application.
SFX1800 security element for the V2X applications.
MIA-M10Q GPS (u.FL) module supporting all protocols.
3D accelerometer and 3D gyroscope, Barometer and Magnetometer sensors support.
Power management devices
Automotive temperature grade support.
Core System Components
i.MX8-XLite SoC Family
The IMX8 XLite family of processors includes the i.MX 8DualXLite and i.MX 8SoloXLite. These devices target the automotive and industrial market segments.
These devices are designed to achieve both high performance and low power consumption.
The following figure describes the CPU block diagram.
Memories
The IMX8-XLite SOM supports varieties of memory interfaces for booting and data storage. The following figure describes the IMX-8 SOM memory interfaces.
LPDDR4
Up to 4GB memory space.
16 Bits data bus.
Up to 2400 MT/s.
Inline ECC.
eMMC NAND Flash
Up to 64GB memory space.
8 Bits data bus.
Support MMC standard, up to version 5.1.
uSDHC-0.
Can be used as BOOT NVM
Quad Serial NOR Flash (Carrier)
Can be configured as 1/2/4-bit operation.
Support both SDR mode and DDR mode
No reset
QSPIA/nSS0.
Can be used as BOOT NVM.
EEPROM (SOM)
1Kb EEPROM
ON-Semi’s CAT24AA01TDI or compatible
I2C2
Address 0X50 (7 bits format)
Stores SOM’s configurations.
Micro-SD (Not Supported)
V2X Modem (SDR)
The SOM support One-chip V2X transceiver and baseband, with dual antenna
and ECDSA support. The SDR architecture enables support for V2X applications all over the world (for example, North America, Japan, and Europe).
SAF5400 is a transceiver with integrated SDR processor, providing a system solution for Vehicle-to-Vehicle and Vehicle-to-Infrastructure applications.
The following figure describes the V2X modem architecture.
The V2X modem integrates the following elements:
SAF5400 V2X transceiver and baseband, with dual antenna and ECDSA support.
Two Analog Front End parts controlled by the SAF5400.
Passive elements for RF line calibration*.
U.FL connectors (labeled J15 / J16).
The modem was calibrated to support the V2X (SDR) standards using the u.FL connectors
The SOM integrates a security chip (SXF1800) and a GPS module (MIA-M10Q) to support the V2X Modem.
SXF1800:
SXF1800 is based on highly secure microcontroller used also to protect mobile payments, providing highest proven assets protection.
For more information check the SXF1800 link:
MIA-M10Q:
The M10 platform supports concurrent reception of four GNSS (GPS, GLONASS, Galileo, and BeiDou).
Antenna connector is u.FL (labeled J17).
For more details check the MIA-M10Q datasheet:
Sensors
The IMX8-XLite SOM integrates three MEM sensors. The figure below describes the sensors integration.
ISM330 - 3D accelerometer and 3D gyroscope
3D accelerometer with selectable full scale: ±2/±4/±8/±16 g.
3D gyroscope with extended selectable full scale: ±125/±250/±500/±1000/±2000/±4000 dps.
For more details see: ISM330DHCX - iNEMO inertial module with Machine Learning Core, Finite State Machine with digital output for industrial applications. - STMicroelectronics
ILPS22QS – Barometer
Selectable dual full-scale absolute pressure range
Mode 1: 260 ~ 1260 hPa
– Mode 2: 260 ~ 4060 hPa
For more information see: Datasheet - ILPS22QS - Dual full-scale, 1260 hPa and 4060 hPa, absolute digital output barometer with embedded Qvar electrostatic sensor
IIS2MDCTR – Magnetometer
High-accuracy, ultra-low-power 3-axis digital magnetic sensor.
Magnetic field dynamic range up to ±50 gauss.
For more information see: IIS2MDC - High accuracy, ultra-low-power ,3-axis digital output magnetometer - STMicroelectronics
IMX8-XLite External Interfaces
General
The SOM integrates three Hirose DF40 board-to-board headers.
The selection of the Hirose DF40 is due to the following criteria:
Miniature (0.4m pitch)
Highly reliable manufacturer
Availability (worldwide distribution channels)
Excellent signal integrity (supports 6Gbps)
Please contact Hirose or SolidRun for reliability and test result data.
Supported Interfaces
PCIe
The IMX8-XLite SOM supports a single PCIe interfaces. The following figure describes the PCIe interfaces.
The PCIe main features are:
On board coupling capacitors for TX and CLK.
Generates the PCIe clock.
1× PCIe 3.0 (1-lane) with L1 substate support.
PCIe 1.0 and 2.0 compliant.
Maximum link speed up to Gen3 (8 GT/s).
Support PCIe control signals: CLKREQ, WAKE and PERST.
For more details se the CPU datasheet. i.MX 8XLite Applications Processors for Telematics, V2X and Industrial Control | NXP Semiconductors
USB-2
The IMX8-XLite supports two USB interfaces. The following figure describes the USB interfaces.
The USB main features are:
USB1 and USB2 are directly connected to the CPU (No HUB).
Two USB2.0 OTG controller.
High Speed (480 Mbps), full speed (12 Mbps) and low speed (1.5Mbps).
Fully compatible with the USB On-The-Go supplement to the USB 2.0 specification.
Fully compatible with the USB 2.0 specification.
Power control signal is not part of the USB module, any available GPIO can be used.
For more details see the CPU datasheet. i.MX 8XLite Applications Processors for Telematics, V2X and Industrial Control | NXP Semiconductors
RGMI
The IMX8-XLite supports an RGMII interface connected to the BtB connectors. The following figure describes the RGMII interface.
Gigabit Ethernet Media Access Controller (MAC) designed to support both10/100 /1000 Mbps Ethernet/IEEE 802.3 networks with Audio Video Bridging (AVB) capabilities.
hardware support for IEEE1588 Precision Time Protocol (PTP) v2.0.
MDC/MDIO management link.
For more details see the CPU datasheet. i.MX 8XLite Applications Processors for Telematics, V2X and Industrial Control | NXP Semiconductors
FlexCAN
The IMX8-XLite supports up to three FlexCAN interfaces. Main features are:
CAN with Flexible Data rate (CAN FD) protocol and the CAN protocol according to the CAN 2.0B protocol specification.
Compliant with the ISO 11898-1:2015 standard.
FlexSPI
Single Quad SPI/Octal SPI.
Single, dual, quad, and octal mode of operation.
Support for flash data strobe signal for data sampling in DDR and SDR mode.
LPSPI
Two SPI interfaces.
Can be configured either as a master or slave.
Supports DMA accesses and generates DMA requests.
Ultra Secured Digital Host Controller (uSDHC)
Single 4-bits interface.
Provides the interface between the host system and the eMMC, SD card, and SDIO.
Compatible with the eMMC System Specification version 4.2/4.3/4.4/4.41/5.0/5.1.
Compatible with the SD Memory Card Specification version 3.0 and supports the Extended Capacity SD Memory Card.
Compatible with the SDIO Specification version 2.0/3.0.
Card bus clock frequency up to 104 MHz.
For more details see the CPU datasheet. i.MX 8XLite Applications Processors for Telematics, V2X and Industrial Control | NXP Semiconductors
B2B Connector’s Signal Description
J13 (odd)
PIN
SOM (J13)
Reference Carrier (J9)
1
PCIE0_RX_P
PCIE0_RX_P
3
PCIE0_RX_N
PCIE0_RX_N
5
GND
GND
7
PCIE0_TX_P
PCIE0_TX_P
9
PCIE0_TX_N
PCIE0_TX_N
11
GND
GND
13
PCIE_REF_CLK_P
PCIE_REF_CLK_P
15
PCIE_REF_CLK_N
PCIE_REF_CLK_N
17
GND
GND
19
NC
NC
21
NC
NC
23
GND
GND
25
NC
NC
27
NC
NC
29
GND
GND
31
NC
NC
33
NC
NC
35
GND
GND
37
NC
NC
39
NC
NC
41
GND
GND
43
NC
NC
45
NC
NC
47
QSPI0_DATA0 (GPIO3_IO09)
1V8
QSPI0_DATA0 (QSPI Flash)
1V8
49
QSPI0_DATA1 (GPIO3_IO10)
1V8
QSPI0_DATA1 (QSPI Flash)
1V8
51
QSPI0_DATA2 (GPIO3_IO11)
1V8
QSPI0_DATA2 (QSPI Flash)
1V8
53
QSPI0_DATA3 (GPIO3_IO12)
1V8
QSPI0_DATA3 (QSPI Flash)
1V8
55
QSPI0_DQS (GPIO3_IO13)
1V8
QSPI0_DQS (QSPI Flash)
1V8
57
QSPI0A_SS0_B (GPIO3_IO14)
1V8
QSPI0A_SS0_B (QSPI Flash)
1V8
59
QSPI0A_SCLK (GPIO3_IO16)
1V8
QSPI0A_SCLK (QSPI Flash)
1V8
61
GND
GND
63
SYS_RST_1V8_B
1V8
SYS_RST_1V8_B (QSPI Flash)
1V8
65
MANUAL_RST_B
1V8
SYS_nRST
1V8
67
ON_OFF_BUTTON
1V8
NC
69
MCLK_OUT0 (GPIO0_IO20)
1V8
IO_INT# (I2C IO Exp.)
1V8
71
SPI3_CS0 (GPIO0_IO16)
1V8
USB_HUB_CH1_PWR_EN
1V8
73
SCU_BOOT_MODE0
1V8
BOOT (S1-1)
1V8
75
GND
GND
77
SCU_BOOT_MODE1
1V8
BOOT (S1-2)
1V8
79
SCU_BOOT_MODE2
1V8
BOOT (PD)
J13 (even)
PIN
SOM (J13)
Reference Carrier (J9)
2
PCIE_CTRL_CLKREQ_B (GPIO4_IO01, GPIO07_IO01)
3V3
EXT. (J21-48)
4
PCIE_CTRL_WAKE_B (GPIO4_IO02, GPIO07_IO02)
3V3
EXT. (J21-50)
6
GND
GND
8
PCIE_CTRL_PERST_B (GPIO4_IO00, GPIO07_IO00)
3V3
EXT. (J21-52)
10
SPI3_CS1
1V8
NC
12
SPI3_SCK (GPIO0_IO13)
1V8
BT_REG_ON (WI-FI Module)
1V8
14
SPI3_SDO (GPIO0_IO14)
1V8
RF_PWR (Cellular Power)
1V8
16
SPI3_SDI (GPIO0_IO15)
1V8
WL_REG_ON (WI-FI Module)
18
NC
NC
20
(GPIO2_IO08_IN, GPIO6_IO022_IN)
3V3
DEV_CFG_N (SJA1110AEL)
3V3
22
NC
1V8
NC
24
M40_UART0_TX (GPIO1_IO11, M40_GPIO0_IO03)
1V8
RESET_N (LTE-EG25)
1V8
26
M40_UART0_RX (GPIO1_IO12, M40_GPIO0_IO02)
1V8
PWRKEY (LTE-EG25)
1V8
28
BB_USDHC2_CLK (GPIO4_IO29)
1V8
BB_USDHC2_CLK (WI-FI Module)
1V8
30
BB_USDHC2_DAT3 (GPIO5_IO02)
1V8
BB_USDHC2_DAT3 (WI-FI Module)
1V8
32
BB_USDHC2_DAT2 (GPIO5_IO01)
1V8
BB_USDHC2_DAT2 (WI-FI Module)
1V8
34
BB_USDHC2_DAT1 (GPIO5_IO00)
1V8
BB_USDHC2_DAT1 (WI-FI Module)
1V8
36
BB_USDHC2_DAT0 (GPIO4_IO31)
1V8
BB_USDHC2_DAT0 (WI-FI Module)
1V8
38
BB_USDHC2_CMD (GPIO4_IO30)
1V8
BB_USDHC2_CMD (WI-FI Module)
1V8
40
NC
NC
42
GND
3V3(PU)
44
ENET_PHY_MDIO (GPIO5_IO10, GPIO07_IO16)
3V3(PU)
ENET_PHY_MDIO (SJA1110AEL)
3V3
46
ENET_PHY_MDC (GPIO5_IO11, GPIO07_IO17)
3V3
ENET_PHY_MDC (SJA1110AEL)
3V3
48
GND
GND
50
NC
NC
52
TERMINAL_UART0_TX
3V3
TERMINAL_UART0_TX
3V3
54
TERMINAL_UART0_RX
3V3
TERMINAL_UART0_RX
3V3
56
NC
NC
58
GND
GND
60
SCU_UART0_TX (SCU_GPIO0_IO01)
1V8
NC
62
SCU_UART0_RX (SCU_GPIO0_IO00, GPIO2_IO03)
1V8
NC
64
GND
GND
66
MCLK_IN0 (GPIO0_IO19)
1V8
PTP_CLK (SJA1110AEL)
68
MCLK_IN1
1V8
NC
70
GND
GND
72
UART1_RX (GPIO0_IO22)
1V8
UART1_RX (WI-FI Module) (J21-40)
1V8
74
UART1_TX (GPIO0_IO21)
1V8
UART1_TX (WI-FI Module) (J21-42)
1V8
76
GND
GND
78
UART1_CTS_B (GPIO0_IO24)
1V8
UART1_CTS_B (WI-FI Module) (J21-46)
1V8
80
UART1_RTS_B
1V8
UART1_RTS_B (WI-FI Module) (J21-44)
1V8
J14 (odd)
PIN
SOM (J14)
Reference Carrier (J16)
1
NC
NC
3
NC
NC
5
GND
3V3
GND
7
FLEXCAN0_RX (GPIO1_IO15, GPIO06_IO08)
3V3
FLEXCAN0_RX (CAN Transceiver)
3V3
9
FLEXCAN0_TX (GPIO1_IO16, GPIO06_IO09)
FLEXCAN0_TX (CAN Transceiver)
3V3
11
GND
3V3
GND
13
FLEXCAN1_RX (GPIO1_IO17, GPIO06_IO10)
3V3
FLEXCAN1_RX (CAN Transceiver)
3V3
15
FLEXCAN1_TX (GPIO1_IO18, GPIO06_IO11)
FLEXCAN1_TX (CAN Transceiver)
3V3
17
GND
GND
19
NC
NC
21
NC
NC
23
GND
3V3
GND
25
FLEXCAN2_RX (GPIO1_IO19, GPIO06_IO12)
3V3
FLEXCAN2_RX (J21-36)
3V3
27
FLEXCAN2_TX (GPIO1_IO20, GPIO06_IO13)
FLEXCAN2_TX (J21-34)
3V3
29
NC
3V3 (PU)
NC
31
I2C3_SCL (GPIO3_IO02)
3V3 (PU)
I2C3_SCL
3V3
33
I2C3_SDA (GPIO3_IO03)
I2C3_SDA
3V3
35
GND
3V3
GND
37
ENET1_PHY_INT_B (GPIO2_IO05_IN, GPIO06_IO19_IN)
3V3
ENET1_PHY_INT_B (J21-30)
3V3
39
USB_OTG2_ID
3V3
NC
3V3
41
USB_OTG1_ID
5V
NC
3V3
43
OTG1_VBUS
3V3
USB_5V
5V
45
SPI0_SDI (GPIO1_IO05,M40_GPIO00_IO02)
3V3
SPI0_SDI (SJA1110AEL) (J21-31)
3V3
47
SPI0_SDO (GPIO1_IO06,M40_GPIO00_IO01)
3V3
SPI0_SDO (SJA1110AEL) (J21-33)
3V3
49
SPI0_SCK (GPIO1_IO04,M40_GPIO00_IO00)
3V3 (PU)
SPI0_SCK (SJA1110AEL) (J21-35)
3V3
51
I2C2_SDA (GPIO3_IO00)
3V3 (PU)
I2C2_SDA
3V3
53
I2C2_SCL (GPIO3_IO01)
1V8
I2C2_SCL
3V3
55
VDD_1V8 (OUT)
1V8
SOM's PMIC
1V8
57
VDD_1V8 (OUT)
1V8
SOM's PMIC
1V8
59
VDD_1V8 (OUT)
1V8
SOM's PMIC
1V8
61
VDD_1V8 (OUT)
3V3
SOM's PMIC
1V8
63
VDD_3V3 (OUT)
3V3
SOM's PMIC