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Advantech ITA-5831 Series, User Manual

The Advantech ITA-5831 series offers cutting-edge technology in a compact form factor. Discover the full potential of this versatile device with its detailed User Manual, available for free download at manualshive.com. Explore its features, functionalities, and configurations effortlessly, making the most of your investment.

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ITA-5831 User Manual

64

6.1

Digital DI/O Definition

See Section 2.3.3.

6.2

Configuration Sequence

ITA-5831’s GPIO is realized through the PCA9554 GPIO IC connected to ICH
SMBUS. Therefore, the GPIO IC is configured and accessed through I/O space via
the ICH SMBUS controller..

Note!

Download the specifications for programming the NXP Semiconductors’
PCA9554 GPIO IC from the NXP website.
https://www.nxp.com/docs/en/data-sheet/
PCA9554_9554A.pdf?fsrch=1&sr=1&pageNum=1

Table 6.1: ICH SMBUS I/O Space

S
Offset

Mnemonic Register 

Name 

Default 

Type

00h 

HST_STS 

Host status 

00h 

R/WC,RO, R/WC (special)

02h HST_CNT 

Host 

control

00h

R/W,W 

O

03h HST_CMD 

Host 

command 

00h 

R/W

04h 

XMIT_SLVA

Transmit slave address 00h

R/W

05h 

HST_D0 

Host data 0 

00h 

R/W

06h 

HST_D1 

Host data 1

00h

R/W

Summary of Contents for ITA-5831 Series

Page 1: ...User Manual ITA 5831 Series Fanless Embedded Industrial Computer with 6th Gen Intel Core i Processor for Railway Applications ...

Page 2: ...this warranty as a consequence of such events Because of Advantech s high quality control standards and rigorous testing most customers never need to use our repair service If an Advantech product is defective it will be repaired or replaced free of charge during the warranty period For out of warranty repairs customers are billed according to the cost of replacement materials service time and fre...

Page 3: ...duct will provide the reli ability and ease of operation for which Advantech has come to be known Your satisfaction is our primary concern Below is a guide to Advantech s customer ser vices Technical Support We want you to get the best performance possible from your products Should you encounter technical difficulties we are here to help For the most frequently asked questions the answers are prov...

Page 4: ...e liquid or spray detergents 4 For pluggable equipment the power outlet socket must be located near the equipment and easily accessible 5 Protect the equipment from humidity 6 Place the equipment on a reliable surface during installation Dropping or letting it fall may cause damage 7 The openings on the enclosure are for air convection Protect the equipment from overheating Do not cover the openin...

Page 5: ... IEC 704 1 specifications Advantech disclaims all responsibility for the accuracy of any state ments contained herein Safety Precautions Static Electricity Follow these simple precautions to protect yourself from harm and the products from damage To avoid electrical shock always disconnect the power from the PC chassis before manual handling Do not touch any components on the CPU card or other car...

Page 6: ...aution Cautions are included to prevent hardware damage and data loses For example The battery is at risk of exploding if incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions Note Notes provide additional optional information ...

Page 7: ...31 I O View 11 Figure 2 3 ITA 5831 Rear I O 11 2 3 1 COM Connector 12 Table 2 5 COM Connector Pin Definitions 12 2 3 2 Audio Connector 12 Table 2 6 Audio Connector Pin Definitions 12 2 3 3 Digital I O Connector 13 Table 2 7 Digital I O Connector Pin Definitions 13 2 3 4 USB Connector 13 Table 2 8 USB 3 0 Connector Pin Definitions 13 Table 2 9 USB 2 0 Connector Pin Definitions 13 2 3 5 Ethernet Con...

Page 8: ...tack Configuration 39 4 4 8 CSM Configuration 41 4 4 9 USB Configuration 42 4 4 10 PCIE COM Port Configuration 43 4 5 Chipset Configuration 44 4 5 1 System Agent Configuration 45 4 5 2 Graphics Configuration 46 4 5 3 LCD Control 47 4 5 4 PEG Port Configuration 48 4 5 5 PCH IO Configuration 49 4 5 6 PCI Express Configuration 50 4 6 Security Configuration 51 4 7 Boot Configuration 52 4 8 Save Exit 5...

Page 9: ... 6 6 Register 2 Bit Description 67 6 2 5 PCA9554 Register 3 Configuration Register 67 Table 6 7 Register 2 Bit Description 67 6 3 Example 68 Appendix A Watchdog Timer 75 A 1 Programming the Watchdog Timer 76 A 1 1 Watchdog Timer Overview 76 A 1 2 Programming the Watchdog Timer 76 Appendix B BSMI RoHS Declaration 81 Appendix C Chinese Language Safety Instructions and Battery Information 83 C 1 安全指示...

Page 10: ...ITA 5831 User Manual x ...

Page 11: ...Chapter 1 1 Overview Introduction Specifications Power Information Environmental Specifications System Diagram ...

Page 12: ...EDP Extension LVDS Storage Supports 2 x 2 5 SSD default 1 x ITA EM ST61 00A1E Up to 3 x 2 5 SSD 1 x Full size mSATA on main board Expansion 3 x Full size mini PCIe Ethernet 3 x 10 100 1000Mbps with M12 X coded F controller Intel I210 IT USB 2 x USB 3 0 Type A 1 x USB 2 0 with M12 A coded F 4 pin DVI 1 x DVI I Series I O 2 x RS 232 422 485 with 2KV isolation auto flow control DB9 type Digital I O 1...

Page 13: ...0 7 1 25 16 8 30V 33 6 60V 50 4 90V 77 137 5V Transient 0 6 1 4 0 1s 14 4 33 6V 28 8 67 2V 43 2 100 8V 66 154V Power Connector 1 x M12 S coded M 4 pin Table 1 2 Environmental Specifications Operating Temperature EN50155 Tx level 40 70 C 40 158 F with industrial storage Safety Certificate Temperature Range 10 50 C 14 122 F with industrial accessories Storage Temperature 40 85 C 40 185 F Humidity 95...

Page 14: ...ITA 5831 User Manual 4 1 5 System Diagram Figure 1 1 ITA 5831 System Diagram ...

Page 15: ...ist 1 Top cover 8 Mount kit 2 Carrier board for easy swap module 9 Power module 3 Rear I O panel 10 Power module bracket 4 Front panel internal 11 Front panel internal 5 Backplane 12 Front panel 6 Main board 13 Heatsink 7 Carrier board 14 Easy swap module optional 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Page 16: ...ITA 5831 User Manual 6 ...

Page 17: ...Chapter 2 2 H W Installation Introduction Jumpers and Connectors I O Connectors ...

Page 18: ...n protected by a plastic cover that slides over the pins to connect them To close a jumper remove the clip Some jumpers may have three pins labelled 1 2 and 3 For these jumpers connect either Pins 1 and 2 or Pins 2 and 3 Open Closed 2 3 Closed The jumpers setting are schematically depicted in this manual as shown below Open Closed 2 3 Closed A pair of needle nose pliers may be helpful when working...

Page 19: ...The location of each jumper and connector on the main board is shown in Figure 2 1 The function of each of the connectors and jumpers is listed in Table 2 1 below Figure 2 1 Jumper and Connector Locations on Main Board Table 2 1 Jumpers and Switches Name Function PSIN1 Power button pin header BAT1 RTC battery pin header JCOMS1 Clear CMOS setting PMODE1 ATX AT mode switch ...

Page 20: ...nual 10 Table 2 2 BAT1 RTC Battery Pin Header Pin Setting 1 Power 3 3 V 2 GND Table 2 3 JCMOS1 Clear CMOS Settings Pin Setting 1 2 Default 2 3 Clear CMOS Table 2 4 PMODE1 AT ATX Switch Pin Setting On AT Off ATX Default ...

Page 21: ...11 ITA 5831 User Manual Chapter 2 H W Installation 2 3 I O Connectors Figure 2 2 ITA 5831 I O View Figure 2 3 ITA 5831 Rear I O ...

Page 22: ... 5 COM Connector Pin Definitions RS 232 RS 422 RS 485 Pin Signal Name Signal Name Signal Name 1 DCD TxD DATA 2 RxD TxD DATA 3 TxD RxD NC 4 DTR RxD NC 5 GND GND GND 6 DSR NC NC 7 RTS NC NC 8 CTS NC NC 9 RI NC NC Table 2 6 Audio Connector Pin Definitions Pin Signal Name Pin Signal Name 1 MICR 6 LOUTR 2 GND_AUD 7 GND_AUD 3 GND_AUD 8 Front_JD 4 MIC_JD 9 LOUTL 5 MICL ...

Page 23: ...emale connector The USB interface can be disabled via the system BIOS utility Table 2 7 Digital I O Connector Pin Definitions Pin Signal Name Pin Signal Name 1 GPI1 6 GPO1 2 GPI2 7 GPO2 3 GPI3 8 GPO3 4 GPI4 9 GPO4 5 GND Table 2 8 USB 3 0 Connector Pin Definitions Pin Signal Name Pin Signal Name 1 V5 VCC 6 StdA_SSRX 2 D 7 GND_DRAIN 3 D 8 StdA_SSTX 4 GND 9 StdA_SSTX 5 StdA_SSRX Table 2 9 USB 2 0 Con...

Page 24: ...et ports with an M12 X coded connector 2 3 6 Power Input Connector Table 2 10 Ethernet Connector Pin Definitions Pin Signal Name Pin Signal Name 1 MDI0 5 MDI3 2 MDI0 6 MDI3 3 MDI1 7 MDI2 4 MDI1 8 MDI2 Table 2 11 Power Connector Pin Definitions Pin Signal Name Pin Signal Name 1 PWR 3 GND 2 PWR 4 NC ...

Page 25: ...a2 17 T M D S data0 3 Ground 18 T M D S data0 4 VGA DCC clock 19 Ground 5 VGA DCC data 20 Ground 6 DDC clock 21 Ground 7 DDC data 22 DVI detect 8 Analog vertical sync 23 T M D S clock 9 T M D S data1 24 T M D S clock 10 T M D S data1 C1 Analog red 11 Ground C2 Analog green 12 Ground C3 Analog blue 13 Ground C4 Analog horizontal sync 14 5V power C5 Ground 15 Ground Item LED Status Color Description...

Page 26: ...ITA 5831 User Manual 16 ...

Page 27: ...Chapter 3 3 System Setup mSATA Installation ITA EM Module Installation RTC Battery Installation Antenna Installation ...

Page 28: ...A 5831 features one mSATA slot on the main board and three mini PCIe slots on the carrier board Figure 3 1 Mini PCIe and mSATA Locations on Main Board 1 Open the top cover of the device 2 Loosen the screws to remove the dual SSD bracket Remove the carriage bracket for the easy swap module 3 Insert the mSATA or mini PCIe module 4 Affix the module in place using two screws ...

Page 29: ...19 ITA 5831 User Manual Chapter 3 System Setup Figure 3 2 Mini PCIe Installation ...

Page 30: ...features two brackets2 To install an SDD follow the instructions provided on the next page Figure 3 3 SSD Module Bracket 1 1 Loosen the screws on the front panel and pull out the dual SSD bracket 2 Install the SSD onto the bracket and secure it in place using four screws Figure 3 4 SSD Module Installation ...

Page 31: ...wap module to extend the system I O The SSD modules in the dual SDD bracket can be removed and replaced with other easy swap modules Figure 3 5 Easy Swap Module Installation 1 1 Loosen the screws in the front panel and remove the blank bracket 2 Insert the ITA EM module into the bracket and secure it in place using four screws 2 3 4 1 5 ...

Page 32: ...ITA 5831 User Manual 22 Figure 3 6 Easy Swap Module Installation 2 Figure 3 7 COM Module ITA EM SR61 001AE ...

Page 33: ...23 ITA 5831 User Manual Chapter 3 System Setup Figure 3 8 PoE Module ITA PE61 00A1E Figure 3 9 CAN Module ITA CN61 00A1E ...

Page 34: ...ITA 5831 User Manual 24 Figure 3 10 Battery Module ITA BA61 00A1E ...

Page 35: ...cover 2 Insert the RTC battery into the holder and connect the cable 3 Close and lock the RTC battery port cover Figure 3 11 RTC Battery Installation Note The RTC battery settings can be configured using the BIOS Setup utility The VBAT should be 2 6V The standard battery lifetime is 3 years Users can change the RTC battery according to voltage requirements ...

Page 36: ...nt panel 1 Open the top cover of the device 2 Loosen the screws to remove the dual SSD bracket Remove the carriage bracket for the easy swap module 3 Insert the mini PCIe module and secure it in place using two screws 4 Install antennas on both sides of the chassis Figure 3 12 Antenna Installation ...

Page 37: ...Chapter 4 4 BIOS Settings ...

Page 38: ...ures several menus with multiple items that for enabling disabling functions and implementing changes AMI s BIOS ROM has a built in setup program that allows users to modify the basic system configuration The configuration information is stored in CMOS which ensures that the information is retained when the power is turned off 4 2 Entering the BIOS Power on the computer to enter the POST screen Th...

Page 39: ...e configured whereas items presented in blue text can be configured The right frame displays the key legend Located above the key legend is an area reserved for a text message When an item is selected in the left frame the item is presented in white text and often accompa nied by a text message System Time System Date Use this option to change the system time and date Highlight System Time or Syst...

Page 40: ... the Advanced BIOS Setup page Select any of the items in the left frame of the screen such as CPU Con figuration to access the sub menu for that item The options for any of the Advanced BIOS Setup items can be displayed by highlighting the item using the Arrow keys The Advanced BIOS Setup page is shown below ...

Page 41: ... disable BIOS support for the security device The default setting is enabled TPM State This item allows users to enable disable security device The default setting is enabled Pending Operation This item allows users to schedule an operation for the security device The TPM setting can be clear or none The default setting is none ...

Page 42: ...ITA 5831 User Manual 32 4 4 2 PCH FW Configuration This page shows the version mode type and SKU of the ME firmware built in BIOS ...

Page 43: ...cess this page to obtain the system temperature voltage or status informa tion Mute This item allows users to enable disable the system audio The default setting is disabled WLAN 1 2 3 Status This item allows users to enable disable WLAN status The default setting is enabled DVI Only This item allows users to enable disable DVI Only mode The default setting is disabled ...

Page 44: ...al 34 4 4 4 F81216 Controller Configuration ITA 5831 supports two serial ports Users can configure the serial port in the BIOS Setup utility Serial port 60 has a hardware reserved function The default setting is disabled ...

Page 45: ...w the I O ports in operation and the IRQ number Change Settings 1 This item allows users to optimize the serial port settings I O port and IRQ The default setting is auto Change Settings 2 This item allows users to optimize the serial port settings full half duplex The default setting is standard serial port mode Serial Port Mode This item allows users to select the serial port mode RS 232 or RS 4...

Page 46: ...ITA 5831 User Manual 36 4 4 4 2 Serial Port Console Redirection This page shows the console status Users can configure the console settings in the Console Redirection Settings item ...

Page 47: ...the system CPU information Hyper Threading This item allows users to enable disable the CPU hyper threading function The default setting is enabled Active Processor Cores This item allows users to select the number of cores to enable for each proces sor package The default setting is all Intel Virtualization Technology This item allows users to enable disable Intel Virtualization Technology When e...

Page 48: ...4 6 SATA Configuration SATA Controller s This item allows users to enable disable SATA controllers The default setting is enabled SATA Mode Selection This item allows users to set the SATA mode as AHCI or RAID The default set ting is AHCI SATA Port 0 1 2 MSATA This item allows users to enable disable the SATA ports The default setting is enabled Hot Plug This item allows users to enable disable ho...

Page 49: ...39 ITA 5831 User Manual Chapter 4 BIOS Settings 4 4 7 Network Stack Configuration Network Stack This item allows users to enable disable the UEFI network stack The default setting is disabled ...

Page 50: ...d the IPV4 PXE boot option will not be created Ipv6 PXE Support This item allows users to enable disable IPV6 PXE support If disabled the IPV6 PXE boot option will not be created PXE Boot Wait Time This item allows users to set the wait time for pressing ESC to abort PXE boot Media Detect Count This item allows users to set the number of times that the presence of media is checked ...

Page 51: ...19 Trap Response This item allows users to set the BIOS reaction to INT19 trapping by the option ROM With the Immediate option the trap is executed immediately with post poned the trap is executed during legacy boot Boot Option Filter This item allows users to set the legacy UEFI ROM priority Network This item allows users to control the execution of UEFI and legacy PXE OpRom Storage This item all...

Page 52: ...B Mass Storage Driver Support This item allows users to enable disable USB mass storage driver support Port 60 64 Emulation This item allows users to enable disable support for I O port 60h 64h emulation This should be enabled for complete USB keyboard legacy support for non USB aware OS USB Transfer Timeout This item allows users to set the timeout value for control bulk and interrupt transfers D...

Page 53: ...COM Port Configuration ITA 5831 supports four PCIE serial ports Users can configure the serial ports with the following settings Serial Port 1 2 3 4 Mode This item allows users to set the serial port mode as RS 232 RS 422 or RS 485 The default setting is RS 232 ...

Page 54: ...ITA 5831 User Manual 44 4 5 Chipset Configuration The PCH and SA setting can be configured via the Chipset Configuration sub page ...

Page 55: ...on Above 4GB MMIO BIOS Assignment This item allows users to enable disable above 4 GB MMIO BIOS assignment When the aperture size is 2048 MB this function is automatically disabled Graphics Configuration This item allows users to configure the graphics settings PEG Port Configuration This item allows users to configure PEG ports settings ...

Page 56: ...sers to select the GTT size Aperture Size This item allows users to select the aperture size If 2048 MB aperture is selected CSM support must be disabled DVMT Pre Allocated This item allows users to select the DVMT 5 0 pre allocated fixed graphics memory size used by the internal graphics device DVMT Total GFX Mem This item allows users to select the DVMT 5 0 total graphics memory size used by the...

Page 57: ...he eDP LVDS panel type Panel Scaling This item allows users to configure the panel scaling function for the internal graphics device Backlight Control This item allows users to control the backlight type Spread Spectrum Clock Chip This item allows users to set the type of spread spectrum clock type With the hardware option spread is controlled by the chip with the software option spread is control...

Page 58: ... Root Port This item allows users to enable disable the root port Max Link Speed This item allows users to configure the PEG port s max link speed Detect Non Compliant Device This item allows users to enable disable the detect non compliant PCIE device function ...

Page 59: ...n ID PCI Express Configuration This item allows users to configure the PCI Express port PCH LAN Controller This item allows users to enable disable onboard NIC Serial IRQ Mode This item allows users to select the serial IRQ mode High Precision Timer This item allows users to enable disable the high precision event timer Restore AC Power Loss This item allows users to set the AC power state when po...

Page 60: ...ITA 5831 User Manual 50 4 5 6 PCI Express Configuration This page shows that the PCH supports the PCIE root ports PCIE port 4 is assigned to i219 LAN The items for configuration are show below ...

Page 61: ... enable disable the detect non compliant PCI Express device function If enabled the system will take longer to complete POST 4 6 Security Configuration In the BIOS Setup utility select the Security tab To access the submenu for any of the items select the item and press Enter Administrator Password This item allows users to set the administrator password The ideal password length is between 3 and ...

Page 62: ...e NumLock state during bootup The default setting is on Quiet Boot This item allows users to enable disable quiet bootup The default setting is dis abled Boot Option Priorities This item allows users to view the system boot order Fast Boot This item allows users to enable disable fast boot by initializing the minimum number of devices Hard Drive BBS Priorities This item allows users to set the pri...

Page 63: ...ges Discard Changes and Reset This item allows users to reset the system without saving any changes Save Changes This item allows users to save all changes to any of the setup options Discard Changes This item allows users to discard any changes to any of the setup options Restore Defaults This item allows users to restore the default values for the setup options Save as User Defaults This item al...

Page 64: ...ITA 5831 User Manual 54 ...

Page 65: ...Chapter 5 5 Driver Installation Chipset Windows Driver Setup VGA Windows Driver Setup ME Windows Driver Setup LAN Windows Driver Setup USB 3 0 Windows Driver Setup ...

Page 66: ...indows device drivers can be applied to the most popu lar Windows programming tools such as Visual C Visual Basic Borland C Builder and Borland Delphi In this Chapter Windows 7 is used as the example 5 2 Driver Installation Insert the driver CD into the system s CD ROM drive The ITA 5831 driver folder items should appear as shown in the image below ...

Page 67: ...er Installation 5 2 1 Chipset Windows Driver Setup Insert the driver CD into the system s CD ROM drive The driver folder items should appear as shown in the image below Navigate to the INF folder and click Setup to complete the installation ...

Page 68: ...ITA 5831 User Manual 58 ...

Page 69: ...59 ITA 5831 User Manual Chapter 5 Driver Installation ...

Page 70: ...appear as shown in the image below Navigate to the ME folder and click Setup to complete the driver installation 5 2 3 ME Windows Driver Setup Insert the driver CD into the system s CD ROM drive The driver folder items should appear as shown in the image below Navigate to the VGA folder and click Setup to complete the driver installation ...

Page 71: ...allation 5 2 5 USB 3 0 Windows Driver Setup Insert the driver CD into the system s CD ROM driver The driver folder items should appear as shown in the image below Navigate to the USB folder and click Setup to complete the driver installation 5 2 6 Audio Windows Driver Setup Insert the driver CD into the system s CD ROM driver The driver folder items should appear as shown in the image below Naviga...

Page 72: ...ITA 5831 User Manual 62 ...

Page 73: ...Chapter 6 6 GPIO Programming Guide ...

Page 74: ...oad the specifications for programming the NXP Semiconductors PCA9554 GPIO IC from the NXP website https www nxp com docs en data sheet PCA9554_9554A pdf fsrch 1 sr 1 pageNum 1 Table 6 1 ICH SMBUS I O Space SMB_BASE Offset Mnemonic Register Name Default Type 00h HST_STS Host status 00h R WC RO R WC special 02h HST_CNT Host control 00h R W W O 03h HST_CMD Host command 00h R W 04h XMIT_SLVA Transmit...

Page 75: ...ons Symbol PinDIP16 SO16 SSOP16 TSSOP16 HVQFN16 SSOP20 Description A0 1 15 6 Address input 0 A1 2 16 7 Address input 1 A2 3 1 9 Address input 2 IO0 4 2 10 Input output 0 IO1 5 3 11 Input output 1 IO2 6 4 12 Input output 2 IO3 7 5 14 Input output 3 VSS 8 6 15 Supply ground IO4 9 7 16 Input output 4 IO5 10 8 17 Input output 5 IO6 11 9 19 Input output 6 IO7 12 10 20 Input output 7 INT 13 11 1 Interru...

Page 76: ...ing logic levels of the pins defined as outputs by Reg isters 3 Bit values in this register have no effect on pins defined as inputs Reads from this register return the value that is in the flip flop controlling the output selec tion not the actual pin value If one GPIO pin is set to output the input value can be read from the bit that corre sponds to Register 1 Table 6 4 Register 0 Bit Descriptio...

Page 77: ... bit in this register is cleared the corresponding port pin is enabled as an output Upon reset the I Os are configured as inputs with a weak pull up to VDD Register 3 is used to set each GPIO as input or output If the bit is 0 the corresponding GPIO pin is set as output If the bit is 1 the corresponding GPIO pin is set as input Table 6 6 Register 2 Bit Description Bit Symbol Access Value Descripti...

Page 78: ...ister 3 byte value 2 Set bit 0 of the value read in step 1 as 0 and write it to SMBUS slave 0x40 Reg ister 3 3 Read SMBUS slave 0x40 Register 1 byte value 4 Set bit 0 of the value read in Step 3 as 0 or 1 according to low or high of the out put value then write it back to SMBUS slave 0x40 Register 1 Set GPIO 07 as Input 1 Read SMBUS slave 0x40 Register 3 byte value 2 Set bit 7 of the value read in...

Page 79: ...ter byte value Read one byte value each time ddr is slave address such as 0x40 and offset is register offset int i BYTE data outportb SMBUS_PORT 4 addr 1 Write slave address to SMB_BASE 4 When reading bit 0 of slave address should be set as 1 so here addr 1 is available newiodelay delay newiodelay delay chk_smbus_ready Whether SMBUS is ready outportb SMBUS_PORT 3 offset Write register offset to SM...

Page 80: ...When writing slave address bit 0 should be set as 0 moredelay longerdelay moredelay longerdelay chk_smbus_ready wheater SMBUS is ready outportb SMBUS_PORT 3 offset write register offset to SMB_BASE 3 moredelay longerdelay moredelay longerdelay outportb SMBUS_PORT 5 value Write data value to SMB_BASE 5 moredelay longerdelay moredelay longerdelay outportb SMBUS_PORT 2 0x48 Write SMBUS command to SMB...

Page 81: ...S status data inportb SMBUS_PORT Read SMBUS status value once data check_data SMBUS_PORT Read SMBUS status value several time outportb SMBUS_PORT data Write back SMBUS status value which will clear status value Write 1 to the corresponding bit means clearing status if data 0x02 If bit 1 is set which means the command is completed SMBUS is ready result 0 SMBUS ready break if data 0xBF If all bits a...

Page 82: ...O port 0xeb No real device occupies Write a value to this port can realize delay function You can also choose other method according to the real situation void moredelay longerdelay int i for i 0 i 20 i outportb 0xeb 0 IO port 0xeb No real device occu pies Write a value to this port can realize delay function You can also choose other method according to the real situation ...

Page 83: ...00 as Output data smbus_read_byte 0x40 0x01 Read slave 0x40 register 1 data 0x01 Set bit 0 as 1 High smbus_write_byte 0x40 0x01 data Write Output High value Read Input Value from GPIO 07 data smbus_read_byte 0x40 0x03 Read slave 0x40 register 3 byte data 0x80 Set bit 7 as 1 smbus_write_byte 0x40 0x03 data Write set GPIO 07 as Input data smbus_read_byte 0x40 0x00 Read slave 0x40 register 0 Then the...

Page 84: ...ITA 5831 User Manual 74 ...

Page 85: ...Appendix A A Watchdog Timer ...

Page 86: ...can be accessed through the EC PM2 power management channel 2 PM2 is a LPC I O port channel The PM2 channel includes one com mand status port and one data port The system can use the command port to send a command to the EC or obtain the current port status The system can send command parameters or obtain the EC return data through the data port Typically 0x29A is the command status port and 0x299...

Page 87: ...ers must wait for the IBF to clear to zero before writ ing the next data commands to the 299 29A port 2 If the EC command returns data users can read the data from the 68 port when the OBF is set as 1 Address Function Description 0x57 Watchdog event flag BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT0 X X X PwrBtn WDPin Reset SCI NMI 0x5E 0x5F Watchdog reset delay time 0 0xFFFE setup reset time Not...

Page 88: ...x29A unsigned char cmd Write command Write standard command include data to EC void IT8528ECSetData unsigned char Cmd command unsigned char Addr write address unsigned char Value data ECWaitIBFEmpty Wait IBF Empty outportb IT8528E_HWM_CMD_PORT Cmd Write command ECWaitIBFEmpty Wait IBF Empty outportb IT8528E_HWM_DATA_PORT Addr Write address ECWaitIBFEmpty Wait IBF Empty outportb IT8528E_HWM_DATA_PO...

Page 89: ...Minute base 100ms 600 time_word time 600 IT8528ECSetData 0x89 0x5E unsigned char time_word 8 Use command 0x89 to write time data hibyte to hw ram address 0x5E IT8528ECSetData 0x89 0x5F unsigned char time_word 0x00ff Use command 0x89 to write time data lowbyte to hw ram address 0x5f IT8528ECSetData 0x89 0x57 0x04 Use command 0x89 to write watchdog time event to hw ram address 0x57 0x04 Bit2 1 watch...

Page 90: ...ITA 5831 User Manual 80 ...

Page 91: ...Appendix B B BSMI RoHS Declaration ...

Page 92: ...醚 Polybrominated diphenyl ethers PBDE 電路板 固定组件 螺絲 螺柱 內外殼 散熱模組 線材 備考 1 超出 0 1 wt 及 超出 0 01 wt 係指限用物質之百分比含量超出百分比含 量基準值 Note 1 Exceeding 0 1 wt and exceeding 0 01 wt indicate that the percentage content of the restricted substance exceeds the reference percentage value of presence condition 備考 2 係指該項限用物質之百分比含量未超出百分比含量基準值 Note 2 indicates that the percentage content of the restricted substance does no...

Page 93: ...Appendix C C Chinese Language Safety Instructions and Battery Information ...

Page 94: ...流入通風口 以免引起火災或者短路 13 請不要自行打開設備 為了確保您的安全 請由經過認證的工程師來打開設備 如遇下列情況 請由專業人員來維修 電源線或者插頭損壞 設備內部有液體流入 設備曾暴露在過於潮濕的環境中使用 設備無法正常工作 或您無法通過用戶手冊來使其正常工作 設備跌落或者損壞 設備有明顯的外觀破損 14 請不要把設備放置在超出我們建議的溫度範圍的環境 即不要低於 25 C 13 F 或高於 60 C 140 F 否則可能會損壞設備 15 此為 A 級產品 在生活環境中 該產品可能會造成無線電干擾 在這種情況下 可能需要使用者對干擾採取切實可行的措施 16 本產品不帶電線元件銷售 應購買已通過 CCC 認證的電線元件 注意 電腦配置了由電池供電的即時時鐘電路 如果電池放置不正確 將有爆炸的危 險 因此 只可以使用製造商推薦的同一種或者同等型號的電池進行替換 請按照製 造商的指示處...

Page 95: ...85 ITA 5831 User Manual Appendix C Chinese Language Safety Instructions and Battery Information ...

Page 96: ...re subject to change without notice No part of this publication may be reproduced in any form or by any means such as electronically by photocopying recording or otherwise without prior written permission from the publisher All brand and product names are trademarks or registered trademarks of their respective companies Advantech Co Ltd 2019 ...

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