JHCTech KMDA-3820 User Manual
  1. Manuals
  2. Brands
  3. JHCTech Manuals
  4. Industrial PC
  5. KMDA-3820
  6. User manual

JHCTech KMDA-3820 User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
User's Manual
User's Manual
KMDA-3820
Ver.A1.0
Date:28, January, 2019

Advertisement

Table of Contents
loading

Related Manuals for JHCTech KMDA-3820

Summary of Contents for JHCTech KMDA-3820

  • Page 1 User’s Manual User’s Manual KMDA-3820 Ver.A1.0 Date:28, January, 2019...
  • Page 2 User’s Manual Version Note Ver. Note Date Writer A1.0 first publish 20190128 Tracy Liu...
  • Page 3 Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp. RTL is a trademark of Realtek Semi-Conductor Co., Ltd. All other product names or trademarks are properties of their respective owners. For more information on this and other JHC products, please visit our websites at: http://www.jhctech.com.cn...
  • Page 4 User’s Manual Product Warranty (2 years) JHC warrants to you, the original purchaser, that each of its products will be free from defects in materials and workmanship for two years from the date of purchase. This warranty does not apply to any products which have been repaired or altered by persons other than repair personnel authorized by JHC, or which have been subject to misuse, abuse, accident or improper installation.
  • Page 5 Technical Support and Assistance Step 1. Visit the JHC web site at www.jhctech.com.cn where you can find the latest information about the product. Step 2. Contact your distributor, sales representative, or JHC’s customer service center for technical support if you need additional assistance.

  • Page 6: Table Of Contents

    User’s Manual CONTENTS General Information ............................ 1 1.1 Introduction ............................2 1.2 Features ............................2 1.3 Specifications ........................... 3 1.3.1 General ..........................3 1.3.2 Display ..........................3 1.3.3 Ethernet ..........................3 1.3.4 Audio ..........................3 1.3.5 Power Consumption......................3 1.4 Environmental Specifications ......................4 1.5 3820 Series Specifications .......................
  • Page 7 User’s Manual 2.4.8 COM1/2 Connector ......................19 2.4.9 COM3/4 Connector ......................20 2.4.10 PS/2 Connector ......................... 20 2.4.11 Remote Switch signal Connector ..................20 2.4.12 Serial ATA1 (S_SATA1) ....................21 2.4.13 SATA power connector (P_SATA1).................. 21 2.4.14 mSATA Connector (MSATA1) ..................22 2.4.15 Mini-PCIe Connector (MPE1) ..................
  • Page 8 User’s Manual 4.1 Follow the sequence below to install the drivers: ................72 4.2 Installation: ............................ 72 4.3 CPU TEMP LED driver......................... 73 4.4 Utility Software Reference ......................74 SYSTEM RESOURCE ..........................75 5.1 WDT and GPIO ..........................76...

  • Page 9: General Information

    User’s Manual General Information...

  • Page 10: Introduction

    User’s Manual 1.1 Introduction KMDA-3820 is an embedded industrial Box Computer of JHCTECH, with aluminum chassis and fanless ® ® design. It powered by the Gen. 6 Intel Skylake-U/Gen. 7 Intel Kabylake-U CPU. It supports DDR4 2133MHz memory, up to 16GB. It features two PCI or PCIe expansion slots, which can fulfill extensive requirements in various projects.

  • Page 11: Specifications

    I211AT Ethernet controllers, 1* Intel I219LM Ethernet controller Speed: 10/100/1000 Mbps Integrated Interface: 3*RJ45 (Note: KMDA-3820-T00X has no Intel I219LM controller which supports 2 LANs) 1.3.4 Audio Chipset: Realtek ALC662VD controller Interface: 1*Audio out, 1*MIC, 3.5mm phone jack 1.3.5 Power Consumption...

  • Page 12: Environmental Specifications

    User’s Manual 1.4 Environmental Specifications Operating temperature: -20 ~ 70° C (Fanless, SSD, Airflow) -10 ~ 50° C (Fanless, HDD, Airflow) Relative humidity: 10~90% @ 40° C (non-condensing) Storage temperature: -40 ~ 85° C (-40 ~ 185° F) Vibration loading during operation: With SSD: 5.0 Grms, random, 5 ~ 500 Hz With HDD:1.0 Grms, random, 5 ~ 500 Hz Shock during operation:...

  • Page 13: Mechanical Specifications

    User’s Manual 1.6 Mechanical Specifications The KMDA-3820 new industrial design Box computer of JHCTECH, consists of a JHC SBC(STX-I905), a sub-card (ECD-9050), and an expansion card ECX-238 or ECI-239. The specific combination is as follows： Model No. KMDA-3820-S00X KMDA-3820-T00X ✓...
  • Page 14 User’s Manual Main Board Rear (STX-I905) Figure 1.2 Sub-card (ECD-9050) Figure 1.3...
  • Page 15 User’s Manual Expansion card (ECX-238) Figure 1.4 Expansion card (ECI-239) Figure 1.5...
  • Page 16 User’s Manual KMDA-3820 Dimension: Unit: mm Figure 1.6...

  • Page 17: Hardware Installation

    User’s Manual Hardware Installation...

  • Page 18: Introduction

    2.2 Jumpers and Connectors 2.2.1 Setting Jumpers You can configure your KMDA-3820 to match the needs of your application by setting the jumpers or switches. A jumper is the simplest kind of electrical switch. It consists of two metal pins and a small metal clip (often protected by a plastic cover) that slides over the pins to connect them.

  • Page 19: Jumpers And Switches Location

    2.3 Jumpers and Switches Location The KMDA-3820 Box Computer has a number of jumpers or switches inside the chassis that allows you to configure your system to suit your application. The table below shows the function of each of the board’s jumpers and Switches:...

  • Page 20: Sw2-Clear Cmos Data

    User’s Manual Jumpers/Switches Jumpers/Switcher Name Description Clear CMOS Data Setting 3-Pin Switch Set Power-on mode at AT or ATX 3-Pin Switch 2.3.1 SW2-Clear CMOS Data Figure 2. 4 If you encounter the followings a) CMOS data becomes corrupted. b) You forget the supervisor or user password. you can reconfigure the system with the default values stored in the ROM BIOS.

  • Page 21: Sw1- At/Atx Power On Mode Selection

    Figure 2. 5 The KMDA-3820 provides a AT/ATX SW, which users can set Power-on mode by it. When you dial it at AT, it means power on by AC Power; When you dial it at ATX, it means power on by Power button.
  • Page 22 User’s Manual Figure 2. 6 Rear view: Figure 2. 7...

  • Page 23: Ethernet Connector (Lan)

    User’s Manual 2.4.1 Ethernet Connector (LAN) The KMDA-3820-S00X is equipped with 2 Intel I211AT chips and 1 Intel I219LM for 10/100/1000Mbps Ethernet controllers. The product provides 3*RJ45, with LED indicators on the front side to show its Active/Link status (Green LED) and Speed status (yellow LED).

  • Page 24: Hdmi

    StdA_SSTX- StdA_SSTX+ StdA_SSRX- Shell Shield 2.4.3 HDMI The KMDA-3820 provides a high-resolution HDMI display port. They can support the most resolution up to 3940*2160@30Hz. Table 2.4 for HDMI pin assignments. Figure 2. 11 Table 2.4: HDMI Pin Assignments Signal Signal...

  • Page 25: Vga

    AUXP DATA2_N DATA0_N DATA3_P AUXN DATA1_P DATA3_N DATA1_N CTRL DATA2_P 2.4.5 VGA The KMDA-3820 provides a VGA ports via a D-sub 15-pin connector, it supports the most resolution up to 1920*1200@60Hz. Table 2.6 for DP pin assignments. Figure 2. 13...

  • Page 26: Dio Connector

    Table 2.6: VGA port pin assignments Signal Signal GREEN BLUE 2.4.6 DIO Connector The KMDA-3820 provides 8-bit DIO by 2*5Pin 8-bit DIO terminal connector in rear. Table 2.7 for assignments. Figure 2. 14 Table 2.7: 8-bit DIO Pin Assignments Pine DIO Signal...

  • Page 27: Com1/2 Connector

    Table 2.8:DC-IN port pin assignments Signal Signal 12~24V 2.4.8 COM1/2 Connector The KMDA-3820 provides 2 serial ports of COM1/2 by 2*D-sub 9-pin connectors. COM1/2 can be configured as RS232、RS422 or RS485 by BIOS setup. Table 2.9 for pin assignments. Figure 2. 16 Table 2.9: COM1/2 Serial Ports Pin Assignments...

  • Page 28: Com3/4 Connector

    COM3/4 are only for RS232. The Pin assignments are as follows: Table 2.10: COM3/4 Serial Port Pin Assignments Signal Signal 2.4.10 PS/2 Connector The KMDA-3820 provides a PS/2 connector which is used to connect keyboard or mouse. Table 2.11 for pin assignments. Figure 2. 18 Table 2.11:PS/2 Pin Assignments Signal...

  • Page 29: Serial Ata1 (S_Sata1)

    User’s Manual a 2-pin terminal. Table 2.12 for pin assignments. Figure 2. 19 Table 2.12: Remote Switch Pin Assignments Signal PWR_BTN 2.4.12 Serial ATA1 (S_SATA1) Figure 2. 20 Table 2.13 for pin assignments. Table 2.13: Serial ATA1 pin assignments Signal Signal 2.4.13 SATA power connector (P_SATA1) Figure 2.

  • Page 30: Msata Connector (Msata1)

    User’s Manual Signal Signal 2.4.14 mSATA Connector (MSATA1) Figure 2. 22 Table 2.15 for Pin assignments. Table 2.15: mSATA Connector Pin Assignments Signal Signal +V3.3 +V1.5 LPC_FRAME# LPC_AD3 LPC_AD2 LPC_AD1 LPC_AD0 PLTRST# LPC_CLK1 PLTRST# SATA1_mSATA_z_RX+ +V3.3 SATA1_mSATA_z_RX- +V1.5 SMB_SCL SATA1_mSATA_z_TX- SMB_SDA SATA1_mSATA_z_TX+ +V3.3...

  • Page 31: Mini-Pcie Connector (Mpe1)

    User’s Manual +V3.3 +V1.5 +V3.3 2.4.15 Mini-PCIe Connector (MPE1) Figure 2. 23 Table 2.16 for Pin assignments. Table 2.16: Mini-PCIe Connector Pin Assignments Signal Signal PCIE_WAKE_N +V3.3_MINICARD2 +V1.5 CLKREQ# +VUIM_PWR UIM_DATA CLK_MIO1_PCIE- UIM_CLK CLK_MIO1_PCIE+ UIM_RESET +VUIM_VPP WIFI2_DISABLE# PLTRST# PCIE_MINI_RX2- +V3.3_MINICARD2 PCIE_MINI_RX2+ +V1.5 SMB_SCL_RSM...

  • Page 32: Pci Connector (In Sub-Card Eci-239)

    User’s Manual PCIE_MINI_TX2+ USB_HUB_P2- USB_HUB_P2+ +V3.3_MINICARD2 +V3.3_MINICARD2 +V1.5 +V3.3_MINICARD2 2.4.16 PCI Connector (In Sub-card ECI-239) KMDA-3820 provides 2*PCI expansion by sub-card ECI-239, Table 2.17 for pin assignments. Figure 2. 24 Table 2.17: PCI Pin Assignments Signal Signal TRST_PCI- -12VD +12VD TCK_PCI...
  • Page 33 User’s Manual GNDD GNDD 3.3V_AUX PCIRST# GNDD +5VD PCICLK0 PGNT0# GNDD GNDD PREQ0# PPME# +5VD PAD30 PAD31 +3.3V PAD29 PAD28 GNDD PAD26 PAD27 GNDD PAD25 PAD24 +3.3V IDSEL PCBE3# +3.3V PAD23 PAD22 GNDD PAD20 PAD21 GNDD PAD19 PAD18 +3.3V PAD16 PAD17 +3.3V PCBE2#...

  • Page 34: O-Pciex4 Connector (In Sub-Card Ecx-238)

    +5VD +5VD ACK64# REQ64# +5VD +5VD +5VD +5VD 2.4.17 O-PCIeX4 Connector (In Sub-card ECX-238) KMDA-3820 provides 1*O-PCIeX4 expansion by sub-card ECX-238, Table 2.18 for pin assignments. Figure 2. 25 Table 2.18: PCIeX4 Pin Assignments Signal Signal +12V +12V +V12 +12V...

  • Page 35: Pciex1 Connector (In Sub-Card Ecx-238)

    +3.3VSB +V3.3 PCIE_WAKE_N PLTRST_R CLK_MIO2_PCIE+ PCIE_MIO_TX9+ CLK_MIO2_PCIE- PCIE_MIO_TX9- PCIE_MIO_RX9+ PCIE_MIO_RX9- PCIE_MIO_TX10+ PCIE_MIO_TX10- PCIE_MIO_RX10+ PCIE_MIO_RX10- PCIE_MIO_TX11+ PCIE_MIO_TX11- PCIE_MIO_RX11+ PCIE_MIO_RX11- PCIE_MIO_TX12+ PCIE_MIO_TX12- PCIE_MIO_RX12+ PCIE_MIO_RX12- 2.4.18 PCIeX1 Connector (In Sub-card ECX-238) KMDA-3820 provides 1*PCIeX1 expansion by sub-card ECX-238, Table 2.19 for pin assignments.
  • Page 36 User’s Manual Figure 2. 26 Table 2.19: PCIeX1 Pin Assignments Signal Signal +12V +12V +V12 +12V +V12 SMB_SCL SMB_SDA +3.3V +V3.3 +3.3VSB +V3.3 PCIE_WAKE_N PLTRST_R CLK_MIO1_PCIE+ PCIE_M2_TX1+ CLK_MIO1_PCIE- PCIE_M2_TX1- PCIE_M2_RX1+ PCIE_M2_RX1-...

  • Page 37: Led

    User’s Manual 2.4.19 LED There are 1*Power LED, 1*HDD LED, 3*CPU temperature class LEDS on the front. Users can monitor the working state of the CPU according to the display of LEDs. Table 2.30 for LEDs state of CPU temperature class. Table 2.30: LEDs state of CPU temperature class.

  • Page 38: Installation

    User’s Manual 2.5 Installation Here the hardware installation takes KMDA-3820-S00X series for example, and the KMDA-3820-T001 series installation operation is similar. 2.5.1 HDD/SSD Installation Step 1: Unscrew 2 screws on the HDD/SSD cover, remove the HDD/SSD cover; Step 2: Unscrew 1 screws on HDD/SSD bay, take out the HDD/SSD bay;...
  • Page 39 User’s Manual...

  • Page 40: Installing Mini-Pcie

    User’s Manual 2.5.2 Installing mini-PCIe Step 1: Unscrew screws on the Mounting brackets as picture shows, remove the mounting bracket; (Note: There are two types of mounting brackets, please disassemble according to your actual situation.); Unscrew the Spring screw and take off the expansion cover;...
  • Page 41 User’s Manual...
  • Page 42 User’s Manual...
  • Page 43 User’s Manual Step 2: Hold the Mini PCIe module with its notch aligned with the Mini PCIe socket of the board and insert it at a 30 degrees angle into the socket; Step 3: Screw one screw to the holder; Step 4: Follow the reverse steps of disassembly to complete the product installation.

  • Page 44: Installing Msata

    User’s Manual 2.5.3 Installing MSATA Step 1: The step here is the same as above chapter “2.5.2 Installing Mini PCIe Module -Step 1”, For details, please refer to the above chapter “2.5.2 Installing Mini PCIe Module -Step 1” Step 2: Hold the MSATA module with its notch aligned with the MSATA socket of the mother board and insert it at a 30 degrees angle into the socket (Note: Pay attention to avoiding the hard disk cable during the installation process);...

  • Page 45: Installing Expansion Functional Module

    User’s Manual Step 4: Follow the reverse steps of disassembly to complete the product installation. 2.5.4 Installing Expansion Functional Module Step 1: The step here is the same as above chapter “2.5.2 Installing Mini PCIe Module -Step 1”, For details, please refer to the above chapter “2.5.2 Installing Mini PCIe Module -Step 1” Step 2: Unscrew 2 screws on 2 bars, take off 2 bars;...
  • Page 46 User’s Manual Step 3: Put the functional module into the expansion slot which is on the ECX-238 or ECI-239;...
  • Page 47 User’s Manual Step 4: Follow the reverse steps of disassembly to complete the product installation.

  • Page 48: Bios Setup

    User’s Manual BIOS Setup...

  • Page 49: Bios Description

    User’s Manual 3.1 BIOS Description BIOS is the communication bridge between hardware and software. How to correctly set the BIOS parameters is crucial for the system to work stably and whether the system works at its best. This chapter describes how to change the system settings through the BIOS settings. Note: For the purpose of better product maintenance, the manufacture reserves the right to change the BIOS items presented in this manual.

  • Page 50: Bios Parameter Settings

    User’s Manual 3.2 BIOS parameter settings When you start the Setup Utility, the main menu appears. The main menu of the Setup Utility displays a list of the options that are available. A highlight indicates which option is currently selected. Use the cursor arrow keys to move the highlight to other options.

  • Page 51: Bios Navigation Keys

    User’s Manual damage caused by changing the BIOS settings. 3.2.1 BIOS Navigation Keys Enter the SETUP settings interface, The BIOS navigation keys are listed below: Table 3.1: The BIOS navigation keys FUNCTION Exit the current menu ↑↓→← Scrolls through the items on a menu Change Opt.
  • Page 52 User’s Manual BIOS Vendor (American Megatrends) This item shows the information of the BIOS vendor. Core Version (5.12) This item shows the information of the Core Version. Project Version (I905V 0.04 X64)

  • Page 53: Advanced Menu

    User’s Manual This item shows the information of the motherboard Version. Build Date and Time This item shows the information of the BIOS build date and time Processor Information This item shows the basic information about the currently used processor, including name, type, speed. IGFX VBIOS Version This item shows the Current VBIOS version of the CPU integrated graphics.
  • Page 54 User’s Manual ▶ CPU Configuration The configuration of the central processor, enter this sub-menu, there will be detailed details of the CPU, as well as various settings of the CPU.
  • Page 55 User’s Manual ▶ Power & Performance This item in the menu shows how to set the Power Management Control of CPU and GT.
  • Page 56 User’s Manual...
  • Page 57 User’s Manual ▶ Platform Setting This item in the menu contains the information of the Platform Setting. ▶ Trusted Computing Trusted computing, enter this sub-menu, there will be the setting of the encryption security module (the...
  • Page 58 User’s Manual motherboard will install the encryption module hardware will take effect) ▶ ACPI Settings Advanced configuration and power management interface settings, enter this submenu, there will be ACPI related settings.
  • Page 59 User’s Manual ACPI Sleep State (S3 (Suspend to RAM)) This item allows user to enter the ACPI S3 (Suspend to RAM) Sleep State (default). Press <Esc> to return to the Advanced Menu page. ▶ IT8786 Super IO Configuration setting IT8786 Super IO Configuration settings, enter this sub-menu, there will be set COM working mode or disabled the Serial port function.
  • Page 60 User’s Manual ▶ Hardware Monitor Hardware monitoring, enter this sub-menu, there will be CPU temperature, System temperature, status display of each common working voltage.
  • Page 61 User’s Manual ▶ Serial Port Console Redirection Serial Port Console Redirection, enter this sub-menu, there will be the console Redirection configuration of the serial ports.
  • Page 62 User’s Manual ▶ CSM Configuration CSM (Compatibility Support Module) configuration, enter this sub-menu, there will be various settings to support UEFI startup and non-UEFI startup. If you need to start the traditional MBR device, you need to enable CSM. Turning off the CSM turns it into a pure UEFI boot. CSM Support Compatibility Support Module, which is a compatibility module, is a special module of UEFI and provides compatibility support for system that do not support UEFI.
  • Page 63 User’s Manual Storage This item is used to set the EFI storage Option ROM boot or the traditional storage Option ROM boot. Video This item is used to set EFI display Option ROM startup or traditional display Option ROM startup. Other PCI devices This item is used to set the EFI PCI device Option ROM boot or the traditional PCI device Option ROM boot.

  • Page 64: Chipset Menu

    User’s Manual Legacy USB Support This item is used to set the USB interface support. If you need to support USB devices under DOS, such as U disk, USB keyboard, etc., set this item to [Enabled]. Otherwise, select [Disabled]. USB Mass Storage Driver Support USB mass storage device support switch.
  • Page 65 User’s Manual ▶ System Agent (SA) Configuration ▶ Memory Configuration Memory configuration, enter this submenu, there will be detailed memory information.
  • Page 66 User’s Manual ▶ Memory Thermal Configuration Memory Power and Thermal Throttling This item contains the configuration of the Memory Power and Thermal Throttling. Memory Thermal Management...
  • Page 67 User’s Manual This item sets the Memory Thermal Management on(Enabled) or off(Disabled). ▶ Memory Training Algorithms This item shows the information of the Memory Training Algorithms.
  • Page 68 User’s Manual ▶ Graphics Configuration Image processing configuration, enter this sub-menu, there will be CPU-integrated graphics related settings. ▶ External Gfx Card Primary Display Configuration...
  • Page 69 User’s Manual ▶ LCD Control Primary IGFX Boot Display This item sets IGFX main display device on POST stage, not affected by external graphics card, options are HDMI, LFP, EFP3, DP, EFP4. It defaults by VBIOS.
  • Page 70 User’s Manual LCD Panel Type This item sets resolution of the motherboard LVDS screen. It defaults by VBIOS. VT-d This item sets the VT-d technology to open or close. The default is Enabled. PCH-IO Configuration (South Bridge Configuration)
  • Page 71 User’s Manual ▶ PCI Express Configuration...
  • Page 72 User’s Manual ▶ SATA And RST Configuration SATA hard disk and fast storage configuration, enter this sub-menu, there will be related settings of the hard disk. ▶ USB Configuration...
  • Page 73 User’s Manual ▶ SCS Configuration...

  • Page 74: Security Menu

    User’s Manual 3.2.5 Security menu Administrator Password This item sets the information of the administrator password. User Password This item sets the information of the normal user password. ▶ Secure Boot...

  • Page 75: Boot Menu

    User’s Manual 3.2.6 Boot menu Setup Prompt Timeout Setup prompts for waiting time. This option is to set the time to wait for the Del key to enter the BIOS...
  • Page 76 User’s Manual setup after booting. Bootup NumLock State Set the state of the small numeric keypad at startup. Quiet Boot Switch full screen logo control Fast Boot Turn the quick start function on or off. When set to "Enabled", the system will skip some detection items and reduce the startup time.

  • Page 77: Save & Exit Menu

    User’s Manual 3.2.7 Save & Exit menu Save changes and Exit; This item enables you to save the changes that you have made and exit. Discard Changes and Exit; This item enables you to discard the changes that you have made and exit. Save Changes and Reset;...

  • Page 78: Updating The Bios

    User’s Manual Restore User Defaults; This item enables you to restore the user defaults. 3.3 Updating the BIOS The BIOS (Basic Input and Output System) Setup Utility displays the system’s configuration status and provides you with options to set system parameters. The parameters are stored in battery-backed-up CMOS RAM that saves this information when the power is turned off.

  • Page 79: Driver Installation

    User’s Manual Driver Installation...

  • Page 80: Follow The Sequence Below To Install The Drivers

    User’s Manual The KMDA-3820 comes with a CD-ROM that contains all drivers and utilities that meet your needs. 4.1 Follow the sequence below to install the drivers: Figure 5.1 win7 drivers Figure 5.2 win10 drivers Step 1 – Install Display Driver Step 2 –...

  • Page 81: Cpu Temp Led Driver

    User’s Manual 3. The system will help you install the driver automatically Step 2 – Install Audio Driver 1. Double click on the Audio folder and double click on the Setup.exe 2. Follow the instructions that the window shows 3. The system will help you install the driver automatically Step 3 –Install LAN Driver 1.

  • Page 82: Utility Software Reference

    User’s Manual Run the exe application； NOTE: Please add the exe application to the startup item to ensure that the program can run when power Figure 5.3 4.4 Utility Software Reference All the utility software available from this page is Windows compliant. They are provided only for the convenience of the customer.

  • Page 83: System Resource

    User’s Manual SYSTEM RESOURCE...

  • Page 84: Wdt And Gpio

    User’s Manual 5.1 WDT and GPIO /* ====================================================================== * void jhctech_init(); * function description: library initialization, This function must be called before calling other functions * parameter description： * creation date： 5*======================================================================*/ /* ====================================================================== * void jhctech_init(); * function description: library release, Pair with jhctech_init, release the library's occupied resources when not needed * parameter description：...
  • Page 85 User’s Manual /*========================================================================== * void MB_gpio_output(WORD port,BYTE value); * function description：high and low levels output of the motherboard * parameter description: Parameter: port fill in motherboard GPIO number which is designed by factory Value 8 bit of a Byte, each bit controls a GPIO pin output value, Bit =1, means output high level Bit =0, means output low level Value...
  • Page 86 User’s Manual 4 * creation date： 5*=======================================================================*/ /*========================================================================== 1 * void Second_gpio_mode(int port, int mode); 2 * function description: Subcard input and output mode settings 3 * parameter description: Parameter: port fill in subcard GPIO number, 1 or 2 Mode 8 bit of a bit, each bit controls the input and output mode of a GPIO pin, Bit =1, the corresponding pin is used as the input port.
  • Page 87 User’s Manual GPIO pin PIN8 PIN7 PIN6 PIN5 PIN4 PIN3 PIN2 PIN1 Note: The output value is valid only when the pin is in output mode. 4 * creation date： 5*========================================================================*/ /*========================================================================== * int Second_gpio_input(int port); * function description：read the motherboard GPIO input level * parameter description：...

Table of Contents