DFI VC900-M8M User Manual
Arm-based in-vehicle system
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- User manual (180 pages) ,
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- Quick installation manual (11 pages)
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Summary of Contents for DFI VC900-M8M
- Page 1 VC900-M8M NXP i.MX8 Series ARM-Based In-vehicle System User’s Manual © April 17, 2023 DFI Inc.
- Page 2 1. The changes or modifications not expressly approved by the party responsible for com- are the properties of the respective owners. pliance could void the user’s authority to operate the equipment. 2. Shielded interface cables must be used in order to comply with the emission limits. User's Manual | VC900-M8M...
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Page 3: Table Of Contents
COM1 Debug (J10) ......................24 USB2_3 (UBJ1) ......................24 Speaker (AUJ1) ......................25 Audio (AUJ2) ........................25 DIO (IOJ1) ........................26 I2C (J8) ...........................26 VP IO (VPJ1) ........................27 I2C (J8) ...........................27 LVDS (J11) ........................28 Chapter 4 - Software User Guide ....................29 User's Manual | VC900-M8M... - Page 4 The manual is subject to change and update without notice, and may be based on editions that do not resemble your actual products. Please visit our website or contact our sales representa- • 1 x VC900-M8M system unit tives for the latest editions. •...
- Page 5 Make sure the system is placed or mounted correctly and stably to prevent the chance of dropping or falling may cause damage. • The openings on the system shall not be blocked and shall be kept in distance from User's Manual | VC900-M8M...
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Page 6: Chapter 1 - Introduction
Chapter 1 INTRODUCTION Chapter 1 - Introduction X Overview Front View Rear View USB 3.0 COM 4 Power Input COM 2 COM 1 COM 3 Reset Button HDMI CAN BUS Status LED User's Manual | VC900-M8M... -
Page 7: Dimensions
The energy efficiency in-vehicle telematics system assists smart vehicles in collecting data, including vehicle speed, engine speed, network packet records, etc., and finally uploads them to cloud storage through 4G synchronously for daily data analysis and services. User's Manual | VC900-M8M... -
Page 8: Specifications
2 x USB 3.0, type A 1 x OTG, micro USB Display 1 x HDMI Audio with Amplifier to support 2W speaker (optional) 1 x Line-out & 1 x MIC-in (internal header) Buttons 1 x Power reset button CANbus 1 x CANbus, DB-9 User's Manual | VC900-M8M... - Page 9 Temperature Storage Tem- -40 to 85°C perature Relative 10 to 90% RH (non-condensing) Humidity STANDARDS AND Shock Operating/non-operating: MIL-STD-810G Method 516.6, Procedure 1 CERTIFICATIONS Vibration Operating/non-operating: MIL-STD-810G Method 514.6, Category 4 Certifications CE, FCC, E-Mark R10 User's Manual | VC900-M8M...
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Page 10: Chapter 2 - Hardware Installations
The 3 screws on the side of the system are used to secure the cover to the chassis. Remove the screws and put them in a safe place for later use. Step 2: Slide the cover to open the system. Power Board User's Manual | VC900-M8M... -
Page 11: Installing An M.2 Card
Screw tight the card onto the stand-off with a screw driver and a stand-off screw until the gap between the card and the stand-off closes up. The card should be lying parallel to the board when it’s correctly mounted. User's Manual | VC900-M8M... -
Page 12: Installing An Antenna
Connect the internal cable to the board's antenna connector, screw the antenna con- nector through the antenna hole with washers and nuts, and screw on the antenna as illustrated below. Antenna Chassis Wall Module Connector Cable Antenna Connector Washer User's Manual | VC900-M8M... -
Page 13: Mounting Options
1. Locate the mounting screws for mounting the din-rail bracket on the chassis cover. 2. Align the mounting holes on the system and then use the screws to secure the DIN-rail mount clip in place. DIN-rail mount clip Wall Mount Bracket Wall Mount Bracket User's Manual | VC900-M8M... -
Page 14: Chapter 3 - System Settings
ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If a wrist strap is unavailable, establish and maintain contact with the system chassis throughout any procedures requiring ESD protection. User's Manual | VC900-M8M... -
Page 15: System Board
Chapter 3 SYSTEM SETTINGS System Board System Board M.2 B key M.2 E key USB2_4 USB2_3 HDMI VP IO Battery COM1 Debug Power Link Boot CFG SIM Slot LVDS USB3.0 LED Backlight DC-IN Audio Speaker User's Manual | VC900-M8M... -
Page 16: System Board - Usd Card Slot
Chapter 3 SYSTEM SETTINGS System Board - uSD Card Slot System Board uSD Card Slot User's Manual | VC900-M8M... -
Page 17: Jumper Settings- Power Board
X Jumper Settings- Power Board Remote Switch High/Low Active (JP2) Host Bus Communication (JP3, JP4) „ 1-2 On: Reserved „ 2-3 On: TX/RX UART (default) „ 1-2 On: High Active (default) „ 2-3 On: Low Active User's Manual | VC900-M8M... -
Page 18: Sw1
Off, delay = 0 second by default Important: Power-off the system and then unplug the power cord prior to setting the switch- es. Failure to do so will cause severe damage to the system and components. User's Manual | VC900-M8M... -
Page 19: Power On Delay Time Select
POWER ON Delay Time Select Delay Duration 10 seconds (default) 30 seconds 1 miniute 5 minutes POWER OFF Delay Time Select Delay Duration 30 seconds (default) 1 minute 3 minutes 5 minutes 10 minutes 15 minutes 30 minutes 1 hour User's Manual | VC900-M8M... -
Page 20: Jumper Settings- System Board
„ 1-2 Off: Internal Boot (default) „ 5-6 Off: EMMC@eSDHC3 (default) „ 5-6 On: Backlight Power 12V (default) „ 1-2 On: Serial Downloader „ 5-6 On: uSD@eSDHC2 „ 1-3 On: 5V „ 4-6 On: Backlight Power 5V User's Manual | VC900-M8M... -
Page 21: Pin Assignment- Power Board
The 9V~36V In box headers are for ignition and power input to the power board, which then converts to 12VDC for output to the system board. 12VSB Jumper Settings 12VSB Power on/off, delay time, and other power related aspects can be configured via SW1 as previ- ously instructed in this chapter. User's Manual | VC900-M8M... -
Page 22: Mcu Connector (J2)
Chapter 3 SYSTEM SETTINGS MCU Debug (JP1) MCU Connector (J2) Assignment Assignment UART_TX UART_RX SYS_SWDIO SYS_SWCLK STMCU_RST# User's Manual | VC900-M8M... -
Page 23: Remote Switch (J3)
Chapter 3 SYSTEM SETTINGS Remote Switch (J3) Assignment Power Button User's Manual | VC900-M8M... -
Page 24: Pin Assignment- System Board
Chapter 3 SYSTEM SETTINGS X Pin Assignment- System Board USB2_3 (UBJ1) COM1 Debug (J10) M.2 B key M.2 B key M.2 E key M.2 E key Assignment Assignment +3.3V USBDN UART1_RX USBDP UART1_TX User's Manual | VC900-M8M... -
Page 25: Speaker (Auj1)
Chapter 3 SYSTEM SETTINGS Speaker (AUJ1) Audio (AUJ2) M.2 B key M.2 B key M.2 E key M.2 E key Assignment Assignment Assignment SPK_R- LOUT_L SPK_R+ SPK_L+ LOUT_R SPK_L- AGND MIC_IN User's Manual | VC900-M8M... -
Page 26: Dio (Ioj1)
Chapter 3 SYSTEM SETTINGS DIO (IOJ1) I2C (J8) M.2 B key M.2 B key M.2 E key M.2 E key Assignment Assignment Assignment Assignment DIO0 DIO1 +3.3V_TP DIO2 DIO3 TP_SCL TP_ALT# DIO4 DIO5 TP_SDA TP_RST# DIO6 DIO7 User's Manual | VC900-M8M... -
Page 27: Vp Io (Vpj1)
M.2 B key M.2 B key M.2 E key M.2 E key Assignment Assignment Function Function +3.3V_TP CAN_GND TP_SCL TP_ALT# SOUTN3 CAN_H TP_SDA TP_RST# LVDS_A2+ CAN_L SINN3 UR1_TX_232 SINN4 UR1_RX_232 SOUTN4 RTSN2 DTRN4 CTSN2 RTSN4 SOUTN2 CTSN4 SINN2 User's Manual | VC900-M8M... -
Page 28: Lvds (J11)
LVDS (J11) Function Function LVDS_A2- LVDS_B3+ LVDS_A2+ LVDS_B3- LVDS_A3- LVDS_B2+ M.2 B key LVDS_A3+ LVDS_B2- M.2 E key LVDS_A0- LVDS_B1+ LVDS_A0+ LVDS_B1- LVDS_A1- LVDS_B0+ LVDS_A1+ LVDS_B0- LVDS_A_CLK- LVDS_B_CLK- LVDS_A_CLK+ LVDS_B_CLK+ +VDD_3.3V +VDD_5V +VDD_3.3V +VDD_5V +VDD_3.3V +VDD_5V User's Manual | VC900-M8M... -
Page 29: Flash Images Into Emmc/Sd Card Using Uuu Tool
5. • Open the Command Prompt in Windows 10, or open the Terminal in Ubuntu when the necessary preparations are done. • Unzip M8MT51_YQ_x_y_nnn_yymmdd_0000.zip image package and enter unzipped image package folder. • Execute the following command, then wait for the process to complete. User's Manual | VC900-M8M... - Page 30 Command of flash all images into eMMC sudo ./uuu uuu_emmc_M8MT51_uboot-kernel-rootfs-HDMI.uuu (or sudo ./uuu uuu_emmc_M8MT51_uboot-kernel-rootfs-LVDS.uuu ) 7. Turn on the device Command of flash necessary images except rootfs image into eMMC sudo ./uuu uuu_emmc_M8MT51_uboot-kernel-HDMI.uuu (or sudo ./uuu uuu_emmc_M8MT51_uboot-kernel-LVDS.uuu) User's Manual | VC900-M8M...
- Page 31 Connect JP1 as picture shown below and power on the device to force the device to enter SD card boot mode. V1.0 8.2 Connect JP1 as picture shown below and power on the device to force the device to V1.0 enter SD card download mode. User's Manual | VC900-M8M...
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Page 32: Software Features
4. Support audio recording console command for test recording WAV file with Mono brightness control platform. MIC_IN audio, file store to eMMC. Support “lspci” console command for check PCIe card status. Support “lsusb” console command for check PCIe card status. 2242/3042 B key 4GLTE module: Quectel EM06 User's Manual | VC900-M8M... - Page 33 3. rootfs.tar.bz2: compressed: Around 481 MB UART3 - Free storage Around 11.7 GB free space (eMMC size 16GB, around 2.3GB used of 14GB file system Support Loopback test, BR 115200 (need DFI Linux user space utility). RS485 size size, /dev/root)
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Page 34: Android Support List
Version For M.2 Kernel Version 4.14.98 UART2 - Support DTE mode, BR 115200 with CTS/RTS follow control loopback test (need DFI RS232 Android test utility). eMMC Support eMMC boot , eMMC v5.1, Linux ext4 file system UART3 - Support Loopback test, BR 115200 (need DFI Android test utility). - Page 35 Android No support suspend, set never to suspend by default. Suspend UART4 - Support Loopback test, BR 115200 (need DFI Android test utility). RS485 1. AOSP WebView Browser Tester: Browser APP. 2. AOSP Calculator: Calculator APP. 3. AOSP Calendar: Calendar APP.
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