LILLIPUT PC701 Embedded Computer User Manual

June 3, 2024
LILLIPUT

LILLIPUT PC701 Embedded Computer

LILLIPUT PC701 Embedded Computer

Safety maintenance

  • It should avoid the humidity and extreme temperature when being used.
  • Please maintain your system properly to make sure its se rvice life and reduce reducethe damage risk.
  • Avoid prolonged exposure of the unit to direct sunlight or strong ultraviolet light.
  • Do not drop the unit or let it be in any place with severe shock / vibration.
  • Please avoid the collision as the LCD screen is very easy to be scratched. Do not use any sharp object to touch the screen.
  • To clean the out side fuselage, please turn off the power, unplug the power cord, scrub / wipe with slightly damp soft cloth. When cleaning the screen, please wipe with the lint free soft cloth.
  • Never attempt to disassemble or repair the machine, otherwise the unit may be damaged.
  • Do not place your unit or accessories together with other flammable liquids, gases, or other explosive materials, to avoid danger.
  • Please unplug the power plug and remove the built built-in battery if long long-term no no-use, or thunder weat

Product Description

Brief Introduction

  • 7″ 16:10 five point capacitive touch screen , 1280×800 physical resolution;
  • IMX8M mini, Arm Cortex-A53 Quad-Core 1.6GHz, 2G RAM , 16G ROM;
  • Android 9.0 OS;
  • RS232/RS485/GPIO/CAN BUS/WLAN/BT/4G/LAN/USB/POE;
  • Micro SD (TF) car d storage, SIM card slot.

Optional Functions

  • 3G/4G (built in);
  • GNSS serial port, 5V reserved for power(external built)
  • Wi-Fi 2.4GHz&5GHz& Bluetooth 5.0 (built in);
  • RS485
  • RS422
  • CAN BUS2, standard1
  • POE (LAN 2 for optional);

Basic Parameters

Configuration Parameters
Display 7″ IPS
Touch Panel Capacitive
Physical Resolution 1280×800
Brightness 400cd/m2
Contrast 800:1
Viewing Angle 170°/170°(H/V)
System Hardware CPU:NXP IMX 8M mini, Arm Cortex-A53 Quad-Core 1.6GHz

processor

ROM: 16GB FLASH RAM: 2GB (LPDDR4)

GPU: 2D and 3D Graphics

OS: Android 9.0

Interfaces| SIM card| 1.8V/2.95V, SIM
 | TF card| 1.8V/2.95V, up to 512G
---|---|---
USB| USB host 2.0×2

USB Device 2.0×1

CAN| CAN2.0B×2

GPIO

| 8 (Input and output can be customized by

software, see section 3. Extended Cable Definition         for details.)

LAN

| 100M×1, 1000M*1 ( Note: LAN1 port is for Intranet, LAN 2 port is for Internet, both of

them are defaulted)

Serial Port

| RS232×4, or RS232×3 and RS485×1, or RS232×3 and RS422×1, or RS232×2 and

RS485×2 (COM fails when Bluetooth is

available)

Ear Jack| 1(Doesn’t support microphone)
Optional Function| Wi-Fi| 802.11a/b/g/n/ac     2.4GHZ/5GHZ
Bluetooth| Bluetooth 5.0    2402MHz~2480MHz
3G/4G| (See section 1.4 for details)
POE| 25W(Only 1000M LAN support POE)
Multimedia| Audio| MP3/AAC/AAC+/WAV/FLAC/APE/

AMR/MP4/MOV/F4V…

Video| Encode: 1080p60 H.264, VP8 encoding
Decode: 1080p60 H265, VP9, 1080p60

H264, VP8 decoding

Input Voltage| DC 8~36V
Power Consumption| Overall ≤ 15.5W

Standby ≤ 2.5W

Working Temperature| -20°C ~60°C
Storage Temperature| -30°C ~70°C
Dimension (LWD)| 206×144×30.9mm
Weight| 790g

3G / 4G Support Parameter & Switch

    FDD LTE: Band 1 / Band 3 / Band 8
    TDD LTE: Band 38 / Band 39 / Band 40 /
Band Version 1: Band 41
(Different versions China/India/South DC-HSPA+ / HSPA+ / HSPA / UMTS: Band1

/
support different| east Asia| Band 5 / Band 8 / Band 9
bands)|  | TD-SCDMA: Band 34 / Band 39
 |  | GSM/GPRS/EDGE: 1800 / 900
 | Version 2:| FDD LTE: Band 1 / Band 2 / Band 3 / Band 4
 | EMEA/South America| / Band 5 / Band 7/ Band 8 / Band 20 WCDMA / HSDPA / HSUPA / HSPA+: Band 1

/ Band 2 / Band 5 / Band 8

GSM / GPRS / EDGE: 850 / 900 / 1800 / 1900

---|---|---

Version 3: North America

| LTE: FDD Band 2 / Band 4 / Band 5 / Band 12/ Band 13 / Band 17

WCDMA / HSDPA / HSUPA / HSPA+: Band2 /

Band 4 / Band 5

Data Transmission|

LTE

| LTE-FDD

Max 150Mbps(DL)/Max 50Mbps(UL) LTE-FDD

Max 130Mbps(DL)/Max 35Mbps(UL)

DC-HSPA+| Max 42 Mbps(DL)/Max 5.76Mbps(UL)
WCDMA| Max 384Kbps(DL)/Max 384Kbps(UL)
TD-SCDMA| Max 4.2 Mbps(DL)/Max2.2Mbps(UL)
EDGE| Max 236.8Kbps(DL)/Max 236.8Kbps(UL)
GPRS| Max 85.6Kbps(DL)/Max 85.6Kbps(UL)

G/4G Switch
Settings→Network&internet→Mobile network→Advanced→Preferred network type ;
Default as 4G.

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Structure Function Explanation

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a. Reset & burn button.
b. User-definable button 1 (Default as return).
c. User-definable button 2 (Default as home).
d. Power on/off button.

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a. SIM card slot.
b. (TF) card slot.
c. USB Device(TYPE-C)
d. IOIO 2: (RS232 standard interface, connecting with DB9 optional cable to convert to RS232×1 and RS422×1 ports or RS232×1 and RS485×2 ).
IOIO 1: (RS232 standard interface, connecting with DB9 standard cable to convert to RS232×3 port).
Y and Z in the RS422 can be optioned as second way.
e. CAN/GPIO (For extended cable definition, please refer to “3 Extended Cable Definition”).
f. USB Host×2.
g. 100M LAN.
h. 1000M WAN, POE function for optional.
i. Ear jack.(Doesn’t support microphone input)
j. Power interface.(ACC for optional)

Extended Cable Definition

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Item Definition
COM 1 RS232 /dev/ttymxc1;
COM 2 RS232 /dev/ttymxc3;
--- ---
COM 4 RS232 /dev/ttymxc2;
COM 5 RS232 /dev/ttymxc0;
RS422 Red A
Black B Green Y
The first RS485 Red A

Black B
Note: The Y(green) and Z(white) of RS422 can be configured as A and B of second RS485 port, which corresponds to the serial port /dev/ttymxc2.

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Item Definition
GPIO

GPIO

Input

| 2| 4| 6| 8
GPIO 1| GPIO 2| GPIO 3| GPIO 4
Yellow| Yellow| Yellow| Yellow
GPIO

Outpu t

| 10| 12| 1| 3| 14
GPIO 5| GPIO 6| GPIO 7| GPIO 8| GPIO COMMON
Blue| Blue| Blue| Blue| Grey
GPIO

GND

| 13
Black

CAN

|

CAN

1/2

| 18| 20| 17| 19
CAN1-L| CAN1-H| CAN2-L| CAN2-H
Green| Red| Green| Red

Serial Port

****Click Icon to activate ComAssistant

Serial port ID: COM1, COM2, COM4 and COM5
Correspondence between RS232 tail line ports and device nodes
COM1=/dev/ttymxc1 (print port)
COM2=/dev/ttymxc3 (RS232/RS422/The first RS485 optional)
COM4
COM4=/dev/ttymxc2 (RS232/second RS485 optional)
COM5=/dev/ttymxc0 (RS232/Bluetooth optional)

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RS232×4 : Bluetooth is invalid, RS485, RS422 is invalid
RS232×3 and RS485×1: Bluetooth is invalid, COM2 is invalid
RS232×3 and RS422×1 : Bluetooth is invalid, COM2 is invalid
RS232×2 and RS485×2: Bluetooth is invalid, COM2 and COM4 is invalid
When machine with bluetooth, COM5 is invalid.

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  1. The boxes in red means the text box for the COM port information received, to display information received by corresponding COM port.
  2. The boxes in red means the text input box for the COM port information sent, to edit information sent by corresponding COM port.
  3. The left box in red means Baud rate Drop-down selection box, to select corresponding COM port Baud rate.
  4. The right box in red means COM port switch, to switch on/off corresponding COM port.
  5. The boxes in red means auto send mode selection.
  6. COM port info. sending button.
  7. The boxes in red means text rows counting in the information receiving text box
  8. The boxes in red means send/receive information codec format option button, select “Txt”to send info. with String code, select Hex to send info. with Hexadecimal format code.
  9. The boxes in red means manual clear button, click to clear both info. in the COM port info. receiving boxes.
  10. The boxes in red means clear symbol of the receiving text box, default as auto clear once text up to 500 rows

CAN BUS Interface

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adb command:
Set the bitrate ( baud rate ) before all operations
Example: Set the bitrate of the can0 interface to 125kbps:

ip link set can0 up type can bitrate 125000

Quick test
Once the driver is installed and the bitrate is set, the CAN interface has to be started like a standard net interface:

ifconfig can0 up and can be stopped like that:

ifconfig can0 down

The socketCAN version can be retrieved this way:

cat /proc/net/can/version

The socketCAN statistics can be retrieved this way:

cat /proc/net/can/stats

GPIO Interface

1. GPIO interface as shown below,

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How to read or set the value of the gpio

GPIO0~7 (IO number)

a)When the software configures the IO port as input, (Negative trigger).
Configuration command: gpiocontrol read [gpio number] For example: Setting gpio 0 as the input state, and read the input level
diamond :/ # gpiocontrol read 0
diamond:/ #
Trigger voltage: The logic level is ‘0’, 0~1.5V.
Non trigger voltage: The logic level is ‘1’, the input IO is floating, or beyond 2.5V, but
the maximum input voltage must be less than 50V.

b)When the software configures the IO port as output, it is an open drain output.
Configuration command: gpiocontrol [gpio number] set [output state] For example: Set gpio 0 as output state and output high level
diamond:/ # gpiocontrol 0 set 1
diamond:/ #

When the output IO is enabled, the logic level is ‘0’, and the IO voltage is less than 1.5V.
When the output IO is disabled, the logic level is ‘1’, and the rated voltage of the IO must be less than 50V.

3.4 ACC Setting Path
ACC settings located in ACC Settings under the category of System in the Settings of Android OS. Please refer to Figure 3 1, 3 2 and 3 3:

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Clock go to Settings and select “ACC Settings” as shown.

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ACC settings as shown in Figure 3 4 & Figure 3 5.

  1. The main switch of the three functions controlled by ACC, namely, light up the screen, close the screen and shut down.
  2. The switch of close screen function controlled by ACC.
  3. Click to pop up dialog box as shown in Figure 3 5, to ed it the screen off delay time after ACC outage.
  4. The current screen off delay time after ACC outage.
  5. The switch of Trigger to shut down function by ACC outage.
  6. Click to pop up dialog box as shown in Figure 3 6, to edit the shutdown d elay time after ACC outage.
  7. The current shutdown delay time after ACC outage.

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Memory Card Instructions

  • The memory card and the card slot on the device are precision electronic components. Please align to the position accurately when inserting the memory card into the card slot to avoid of damage. Please slightly push the upper edge of the card to loosen it when removing the memory card, then pull it out.
  • It is normal when the memory card getting hot after long time working.
  • The data stored on the memory card may be damaged if the card is not used correctly, even the power is cut off or the card is pulled out when reading data.
  • Please store the memory card in packing box or bag if not used for a long time.
  • Do NOT insert the memory card by force to avoid of damage.

Operation Guide

Basic Operation

Click, Double
click and Slide

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Long press and Drag

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Delete

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Long press the application icon, and drag it to the recycle bin on the top left corner of screen, then press OK to uninstall this app.

Applied
Scroll up to the icon in the lower side to see all the apps on the device

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Icon bar
Icon bar shown on the top right corner of screen, as well as the notice bar; Slide the top bar down to launch the notice bar.

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Mounting Methods

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Accessories

Standard accessories:

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  1. DC 12V adapter 1 piece
  2. CAN/GPIO cable 1 piece
  3. DB9 cable(RS232x3) 1 piece
  4. Fixed screw 4 pieces

Optional accessories:

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  1. DB9 cable (RS232x1, RS485, RS422) 1 piece
  2. Micro SD card 1 piece
  3. 75mm VESA rail slot 1 piece

Trouble Shootings

Power Problem

  1. Cannot boot up
    Wrong cable connection
    a) Connect Extended cable with device first, and connect the AC end of DC adapter with DC input port of Extended cable, then the other end of DC adapter connect with power plug socket.

  2. Bad connection
    a) Check every connection and socket of power source.

Screen Problem

  1. No picture on screen.

  2. The application reaction time is too long and cannot be activated when clicked.

  3. The image appears delay or still when switching.
    Please restart your system if the device has any problem as described above.

  4. Incorrect responding to the touch click on screen
    a) Please calibrate the touch screen.

  5. Display screen is misty
    a) Please check whether the display screen surface has dust filth or not. Please simply wipe with clean and soft cloth.

Note: Due to constant effort to improve products and product features, specifications may change without notice.

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