1 產品介紹(Product introduction)
- 1.1 產品特性(Product Features)
- 1.2 產品官網連結(Product Features)
2 硬件接口說明(Hardware interface introduction)
3 快速入门 (Quick Start)
4 Linux系统的基本使用(Linux System Basic Operating Method)
5 通用方法(General Method)
6 Linux BSP編譯方法(Linux BSP Compile Method)
- 6.1 Yocto 3.0

產品介紹(Product introduction)

產品特性(Product Features)

NXP i.MX 8X processor with 2-4 x Arm Cortex-A35 cores
Onbard LPDDR4 memory and eMMC 16GB
Supports wide range power input 5V~24V
Supports Vivante GC7000 Lite hardware accelerators
Supports Ultra HD 4K/ full HD 1080p video decode and HD 1080p video encode hardware engine
Supports 1 PCIe, 1 USB 3.0, 1 USB 2.0, 1 USB OTG2.0, 5 I2C, 1 I2S, 1 Camera in, 2 CANbus, 10 GPIO
Low power consumption, fanless desgin
Supports Linux and Android BSP

產品官網連結(Product Features)

硬件接口說明(Hardware interface introduction)

接口布局和尺寸(Layout and Sizes)

ROM-3620 接口布局圖 Board Dimension Layout

Position	Description
SW1(1)	UART & Debug Port selection
SW1(2)	AT & ATX mode selection

SW1(1): UART & Debug Port selection

Setting	Function
1-On	Normal UART
1-Off	Debug Console (Default)

SW1(2): AT/ATX Mode Selection

Setting	Function
2-On	AT Mode (Default)
2-Off	ATX Mode

ROM-DB3900 接口布局圖 Board Dimension Layout

主板内置插针式引脚排序方式 (Pin Header defination)

Internal I/O

Position	Description	Connector Type
DCIN	DC-in	DC POWER JACK 2.5mm 90D(M) DIP 2DCG213B200
COM01	COM Port	D-SUB Conn. 18P 90D(M) DIP DM10151-H531-4F
HDMI	HDMI	HDMI Conn. 19P 0.5mm 90D(F) SMD QJ51191-LFB4-7F
VGA	VGA	D-SUB Conn. 15P 90D(F) DIP 070242FR015S200ZU
RJ45+USB	LAN+USB	PhoneJack RJ45+USB3.0*2 32P 90D(F) DIP 05-A00919
Phone Jack	Phone Jack	Audio Jack 9P 2.5mm 90D(F) DIP ABA-JAK-03
Audio	Audio	PIN HEADER 2x10P 2.54mm 180D(M) DIP 21N22564
LVDS	LVDS	B/B Conn. 40P 1.25mm 90D SMD DF13-40DP-1.25V(91)
FAN	FAN	Wafer 2.54mm 3P 180D(M) DIP 22-27-2031
SATA_PWR	SATA power	WAFER 4P 2.5mm 180D(M) DIP 24W1161-04S10-01T
PCIE_SLOT0	PCIE_SLOT0	PCIEXPRESS 36P 180D(F) DIP 2EG01817-D2D-DF
PCIE_SLOT1	PCIE_SLOT1	PCIEXPRESS 36P 180D(F) DIP 2EG01817-D2D-DF
SATA	SATA	Serial ATA 7P 1.27mm 180D(M) DIP WATM-07DBN4A3B8
GPIO	GPIO	PIN HEADER 10x2P 2.0mm 180D(M) DIP 21N22050
LVDS_BKLT	LVDS Backlight	WAFER BOX 2.0mm 5P 180D(M) DIP WO/Pb JIHVEI
SW3	Reset button	TACT SW STS-091 SMD 4P H=3.8mm
SW4	Power button	TACT SW STS-091 SMD 4P H=3.8mm
SW5	Sleep button	TACT SW STS-091 SMD 4P H=3.8mm
SW6	Wake up button	TACT SW STS-091 SMD 4P H=3.8mm
SPI0	SPI0	PIN HEADER 2x4P 2.54mm 180D(M) DIP 210-92-04GB02
SPI1	SPI1	PIN HEADER 2x4P 2.54mm 180D(M) DIP 210-92-04GB02
SW2	Boot selection	DIP SW EDG104S DIP 6P Radial SPST
COM3	COM3	BOX HEADER 5x2P 2.54mm 180D(M) DIP 23N6960-10S10
COM2	COM2	BOX HEADER 5x2P 2.54mm 180D(M) DIP 23N6960-10S10
CAN1	CAN1	BOX HEADER 5x2P 2.54mm 180D(M) DIP 23N6960-10S10
CAN0	CAN0	BOX HEADER 5x2P 2.54mm 180D(M) DIP 23N6960-10S10
USB_OTG	USB OTG	MINI USB 5P 180D(F) SMD UH51543-CS7-7F
SD	SD	SD CARD 9P 90D(F) SMD WK2192C-S3D-7H
System_Bus	SYSTEMBUS	PCB SKT 30x4P 2.00mm 180D(F) DIP 264-40303-02
I2C0	I2C0	WAFER BOX 2.0mm 4P 180D(M) W/LOCKA2001WV2-4P
I2C1	I2C1	WAFER BOX 2.0mm 4P 180D(M) W/LOCKA2001WV2-4P
RTXA,RTXB, RTXC,RTXD	RTX B2B Connector	B/B Conn. 50x2P 0.5mm 180D(M) SMDAXK500137YG

Rear I/O

Position	Description	Name
DCIN	DC Jack	A
COM01A	UART Port 1	B
COM01B	UART Port 2	C
HDMI	HDMI Port	D
VGA	VGA Port	E
RJ45+USB	GbE Ethernet Connector	F
RJ45+USB	USB Port 1/ 2	G
PHONE_JACK	MIC Input/ Audio Output	H

接口引脚定義 (Pin definitions)

Rear IO:

Internel IO:

机械尺寸 (Mechanical Characteristics)

ROM-3620

快速入门 (Quick Start)

系统下载 (OS Download)

'Linux系统 (Linux OS)'

Version

Date

Product

CPU

Yocto3.0/Ubuntu18.04/Debian9

SDK

Components

Features

Modules

Test Report

Release

Release notes

Comment

V90210

2021-03-09

ROM-3620

8X

Yocto2.5

SDK

Components

Features

Modules

Test Report

4.14.98 MP

Release Note

MP

VA0297

2021-07-21

ROM-3620

8X

SDK

Modules

5.4.70 Alpha

QE test

Linux 燒錄方法 (Linux Flash eMMC Method)

使用Flash tool 燒錄鏡像到eMMC (Flash image into eMMC by Flash Tools)

1. Copy 3620A1AIM20LIV90210_iMX8X_flash_tool.tgz package to your desktop.
2. Insert SD card to PC.
3. Make a bootable sd card.

# tar zxvf 3620A1AIM20LIV90210_iMX8X_flash_tool.tgz
# cd 3620A1AIM20LIV90210_iMX8X_flash_tool/mk_inand/
# sudo ./mksd-linux.sh /dev/sdg

4. Insert SD card and copy 3620A1AIM20LIV90210_iMX8X_flash_tool to USB disk.
5. Insert USB disk and SD card then Boot from SD.
6. Enter usb disk folder, make a bootable emmc.

# cd /run/media/sda1/
# cd 3620A1AIM20LIV90210_iMX8X_flash_tool/mk_inand/
# sudo ./mksd-linux.sh /dev/mmcblk0

Debug 串口調試 (Debug port Setting)

以 Tera Term 为例介绍如何使用串口调试功能

   Baud Rate波特率：115200
   Data 数据位：8
   Parity 奇偶校验：无
   Stop 停止位：1
   Flow Control流控：无

Tera Term Tool

Check the Sriel port in Device Manager (查看PC端的串口号)：

if you can not identify the Serial device , please check your serial driver.

Debug port connection (串口連接)

Log into Terminal Tool (进入串口调试终端)：

Linux系统的基本使用(Linux System Basic Operating Method)

UUU 使用方法(USB Connection (OTG port))

Display Setting (ROM-5620)

U-boot Command :

setenv fdt_file xxxx.dtb
env save
boot

Display: Default support g070vw01 LVDS panel on LVDS1
- LVDS
  - g070vw01(LVDS1)
    - adv-imx8mxp-rom5620-a1.dtb
  - g150xgel05
    - adv-imx8qxp-rom5620-a1-lvds-chimei.dtb
  - g215hvn01
    - adv-imx8qxp-rom5620-a1-lvds-dual.dtb
- LVDS to HDMI(LVDS1)
  - adv-imx8qxp-rom5620-a1-hdmi-bridge.dtb
- DSI to HDMI(LVDS1)
  - adv-imx8qxp-rom5620-a1-hdmi-bridge.dtb
- DSI
  - auog101uan02
    - adv-imx8qxp-rom5620-a1-auog101uan02.dtb

乙太網路使用方法(Ethernent Testing Method)

Command : ifconfig

Command: Ping - I eth1 8.8.8.8 or Ping - I eth0 8.8.8.8

WiFi使用方法(WIFI Testing Method)

Command : 

# killall wpa_supplicant
# ifconfig wlan0 up
# wpa_passphrase "SSID" "PASSWORD" > /tmp/wpa.conf
# wpa_supplicant -BDwext -iwlan0 -c/tmp/wpa.conf
# udhcpc -b -i wlan0'''

ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=2.10 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=2.10 ms

4G使用方法(4G Testing Method)

Command:
Test 4G: (EWM-C117FL06E - USB)
Step 1: Connect EWM-C117FL06E to Mini PCIE slot on 9680015491 and connect
the card to CN6 PCIe_D slot on ROM-DB5901.
Step 2: Connect the antenna 1750007990-01 to the SMA (F) connector on
9680015491
and connect the IPEX connector to MT1 on EWM-C117FL06E module.
Step 3: Connect the Mini USB cable from 9680015491 to USB 2.0 Type A port on
ROM-DB5901.
Step 4: Power on and execute the pppd command to connect to the network.

GPIO使用方法(GPIO Operating Method)

Loop-back Test (Take GPIO4 and GPIO5 as examples)  

Step 1: Connect GPIO4 and GPIO5
Step 2: Export GPIO interface

root@imx8qxprom5620a1 : ~# echo 456 > /sys/class/gpio/export
root@imx8qxprom5620a1 : ~# echo 452 > /sys/class/gpio/export

Step 3: Set direction

root@imx8qxprom5620a1 : ~# echo out > /sys/class/gpio/gpio1/direction
root@imx8qxprom5620a1 : ~# echo in > /sys/class/gpio/gpio2/direction

Step 4: Read value and set output value then check

root@imx8qxprom5620a1 : ~# cat /sys/class/gpio/gpio2/value
0r
oot@imx8qxprom5620a1 : ~# echo 1 > /sys/class/gpio/gpio1/value
root@imx8qxprom5620a1 : ~# cat /sys/class/gpio/gpio2/value
1

串口使用方法(Serial Port Operating Method)

RS-232 Test

SER1_UART2: /dev/ttyLP2: COM1

SER3_UART0: /dev/ttyLP0: COM3

SW6/7 Setting (SW6/7設置)

RS232: 1:on 2:off

RS422: 1:on 2:on

RS485: 1:off 2:on

COM0 (CN15A): UART1 test

Loopback Test (eg. ttyLP1)
UART 1: Change SW7 jumper to switch modes. (1ON 2OFF: RS-232)

UART 1: Change CN27~CN30 jumper to (1-2 short)

# stty -F /dev/ttyLP1 -echo -onlcr 115200
# cat /dev/ttyLP1 &
# echo test > /dev/ttyLP1

蓝牙使用方法(BlueTooth Operating Method)

Command : 

$ hciconfig hci0 up
$ bluetoothctl
$ discoverable on
$ pairable on
$ scan on
[NEW] FC:18:3C:8D:75:F4 myphone
$ scan off
$ pair FC:18:3C:8D:75:F4
$ connect FC:18:3C:8D:75:F4

遠程訪問及文件傳輸(Remote Access and File Transimmion)

查看主板IP位址 ( Chech IP Address )：

        Command : ifconfig

Windows下SSH访问及文件传输

SSH Remote Log into Device

SSH远程登录,以putty选择putty.exe(或者使用Xshell、SecureCRT等类似软件)
需要设置远程设备的IP、通讯端口(默认22)、通讯方式，登录后验证用户名密码

通用方法(General Method)

查看CPU温度(Check CPU Temperature)

    root@imx8qxprom5620a1:/# cat /sys/devices/virtual/thermal/thermal_zone0/temp 44600

    # 或者直接以度爲單位顯示 echo $[$(cat /sys/class/thermal/thermal_zone0/temp)/1000]° >>> 45°

查看CPU频率(Check CPU Frequency)

           cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq 
           >> 900000
           cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq    
           >> 1200000

查看内存容量(Check Memory Capacity)

root@imx8qxprom5620a1:/# busybox free -m
             total       used       free     shared    buffers     cached
Mem:       1794920     516080    1278840      17252      9852        80292
-/+ buffers/cache:     425936    1368984
Swap:            0          0          0

查看存储容量(Check Storage Capacity)

root@imx8qxprom5620a1:/# busybox df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                13.4G      1.7G     11.1G  13% /
devtmpfs                395.8M      4.0K    395.8M   0% /dev
tmpfs                   876.4M         0    876.4M   0% /dev/shm
tmpfs                   876.4M     16.5M    859.9M   2% /run
tmpfs                   876.4M         0    876.4M   0% /sys/fs/cgroup
tmpfs                   876.4M      4.0K    876.4M   0% /tmp
tmpfs                   876.4M    280.0K    876.2M   0% /var/volatile
/dev/mmcblk0p2           13.6G      1.7G     11.3G  13% /run/media/mmcblk0p2
/dev/mmcblk0p1           63.9M     23.4M     40.5M  37% /run/media/mmcblk0p1
/dev/mmcblk1p1           63.9M     23.4M     40.5M  37% /run/media/mmcblk1p1
tmpfs                   175.3M     88.0K    175.2M   0% /run/user/0
root@imx8qxprom5620a1:/#

網路Ping測試(Ping Network Testing)

     ping 8.8.8.8
     PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
     64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=2.10 ms
     64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=2.10 ms

設置RTC (RTC Setting)

     root@imx8qxprom5620a1:/# systemctl stop ntpdate.service
     root@imx8qxprom5620a1:/# date 090816072021 && hwclock -w && date
             Wed Sep  8 16:07:00 UTC 2021
             Wed Sep  8 16:07:00 UTC 2021
     root@imx8qxprom5620a1:/# date
             Wed Sep  8 16:07:06 UTC 2021
     root@imx8qxprom5620a1:/#'''

Linux BSP編譯方法(Linux BSP Compile Method)

Yocto 3.0

如果有驗證上的錯誤請使用以下的方法

### repo sync failed with Server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
============================================================
export GIT_SSL_NO_VERIFY=1
#or
git config --global http.sslverify false
============================================================

ROM-3620 user guide

Contents