SBC84833 Series ® Intel Atom™ Processor N270 Capa Board with LVDS User’s Manual
Disclaimers This manual has been carefully checked and believed to contain accurate information. Axiomtek Co., Ltd. assumes no responsibility for any infringements of patents or any third party’s rights, and any liability arising from such use. Axiomtek does not warrant or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information in this document. Axiomtek does not make any commitment to update the information in this manual.
ESD Precautions Computer boards have integrated circuits sensitive to static electricity. To prevent chipsets from electrostatic discharge damage, please take care of the following jobs with precautions: Do not remove boards or integrated circuits from their anti-static packaging until you are ready to install them. Before holding the board or integrated circuit, touch an unpainted portion of the system unit chassis for a few seconds. It discharges static electricity from your body.
Table of Contents Disclaimers ................................................................................. II ESD Precautions........................................................................ III CHAPTER 1 .............................................................................................. 1 INTRODUCTION .................................................................................... 1 1.1 Specifications............................................................ 2 1.
2.4.13 2.4.14 2.4.15 2.4.16 2.4.17 2.4.18 2.4.19 2.4.20 2.4.21 Serial Port 2 Connectors (CN15) ................. 30 Power output Connector (CN8) ................... 31 Ethernet Connectors (LAN1) ........................ 31 SATA Connectors (SATA1, SATA2) ............. 31 USB Port Connector (USB3) ....................... 32 Internal USB Connector (USB1) .................. 32 Internal USB Connector (USB4) ................... 33 Internal USB Connector (USB2) .................. 33 CompactFlash™ Socket (SCF1) ..
SBC84833 Series All-In-One Capa Board User’s Manual CHAPTER 1 INTRODUCTION ® The SBC84833, a Capa board, supports Intel Atom™ processor ® N270, at FSB 533 MHz. The board integrates chipsets Intel 945GSE and ICH7M that deliver outstanding system performance through highbandwidth interfaces, multiple I/O functions for interactive applications and various embedded computing solutions.
SBC84833 Series All-In-One Capa Board User’s Manual 1.1 Specifications CPU z ® TM Intel Atom processor N270 System Chipset ® Intel 945GSE & ICH7M z Front-Side Bus 533 MHz z BIOS American Megatrends Inc. BIOS.
SBC84833 Series All-In-One Capa Board User’s Manual z Onboard Multi I/O Controller: Winbond W83627UHG Serial Ports: One port for RS-232/422/485 and three ports for RS-232 Two SATA-150 connectors z z CompactFlash™ Socket One CompactFlash™ Type II Socket USB Interface Seven USB ports with fuse protection and complies with USB Spec. Rev. 2.
SBC84833 Series All-In-One Capa Board User’s Manual 1.
SBC84833 Series All-In-One Capa Board User’s Manual CHAPTER 2 JUMPERS AND CONNECTORS 2.
SBC84833 Series All-In-One Capa Board User’s Manual Solder Side 6 JUMPERS AND CONNECTORS
SBC84833 Series All-In-One Capa Board User’s Manual 2.
SBC84833 Series All-In-One Capa Board User’s Manual Solder Side 8 JUMPERS AND CONNECTORS
SBC84833 Series All-In-One Capa Board User’s Manual 2.3 Jumper Settings Proper jumer settings configure the SBC84833 to meet your application purpose. We are herewith listing a summary table of all jumpers and default settings for onboard devices, respectively. Jumper JP1 JP2 JP3 JP4 JP5 Default Setting LVDS Voltage Selection Default: 3.3V Audio Speak Out/Line Out Selection Default: Line Out Compact Flash Voltage Selection Default: 3.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.1 LCD Voltage Slection Jumper (JP1) The board supports +3.3V or +5V flat panel displays. Configure the jumper JP1 to the appropriate voltage of the flat panel. Description Function Jumper Setting LCD Voltage 3.3V Selection (Default) 5V 2.3.2 Audio Output Jumper (JP2) This jumper is to select the Audio output.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.3 CompactFlash™ Voltage Jumper (JP3) The jumper is to select the voltage for CompactFlash™ interface. Description Function Jumper Setting Compact Flash 3.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.4 CMOS Clear Jumper (JP4) You may need to use this jumper is to clear the CMOS memory if incorrect settings in the Setup Utility.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.5 Auto Power On Jumper (JP5) When Jumper JP5 is set OPEN for AC power input, the system will be automatically power ON without pressing soft power button; when JP5 is SHORT for AC power input, it is necessary to manually press soft power button to make the system power ON. Note This function is similar to the feature of Power On after Power Failed, which is controlled by hardware circuitry instead of BIOS.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.6 COM1 Mode Select Jumpers (JP6, JP7, JP8) These jumpers select the communication mode of COM1 port to operate RS-232 or RS-422 or RS-485.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.7 COM2 Mode Selection Jumper (JP9) The jumper selects the DCD and RI mode of CN15 COM2 port.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.8 COM1 Mode Selection Jumper (JP10) The jumper selects the DCD and RI mode of COM1 port.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.9 COM3 Mode Selection Jumper (JP11) The jumper selects the DCD and RI mode of CN10 COM3 port.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.10 COM4 Mode Selection Jumper (JP12) The jumper selects the DCD and RI mode of CN10 COM4 port.
SBC84833 Series All-In-One Capa Board User’s Manual 2.3.11 CRT Always On Jumper (JP13) When Jumper is set Enable, the screen is always output by CRT.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4 Connectors Connectors connect the board with other parts of the system. Loose or improper connection might cause problems. Make sure all connectors are properly and firmly connected. Here is a summary table which shows you all connectors on the SBC84833 Series.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.1 ATX 4 Pin 12V Connector (ATX1) Connect it to the power supply ATX12V power. Pin Signal 1 GND 2 GND 3 +12V 4 +12V 2 1 2.4.2 LVDS Backlight Connector (CN1) The CN1 is DF13-7S-1.25C 7-pin connectors for inverter, We strongly recommend you to use the matching DF13-7S-1.25C connector. Pin 2.4.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.4 LVDS Flat Panel Connector (CN3) The board has a 40-pin connector CN3 for LVDS Interface LCD. It is strongly recommended to use the matching GLA1001WV-S-2x20P 40pin connector for LVDS on the board. Pin Signal Pin Signal 1 VCCM 2 VCCM 3 VCCM 4 VCCM 5 VCCM 6 VCCM 7 N.C. 8 N.C.
SBC84833 Series All-In-One Capa Board User’s Manual CN3 2.4.5 Flat Panel Bezel Connector (CN4) Power LED Pin 1 and Pin 5 connect the system power LED indicator with the corresponding switch on the case. Pin 1 is assigned as +, and Pin 3 & Pin 5 as -.The Power LED lights up when the system is powered ON. Pin 3 is defined as GND External Speaker and Internal Buzzer Connector Pin 2, 4, 6 and 8 connect the case-mounted speaker unit or internal buzzer.
SBC84833 Series All-In-One Capa Board User’s Manual ATX Power On/Off Button Pin 9 and 10 connect the ATX power button on front panel to the CPU card, which allows users to control ATX power supply to be power on/off. System Reset Switch Pin 11 and 12 connect the case-mounted reset switch that reboots your computer without turning OFF the power switch. It is a better way to reboot your system for a longer life of the system’s power supply.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.6 Digital I/O Port Connector (CN6) The board is equipped with a 8-channel (3in, 5out) digital I/O connector that meets requirements for a system customary automation control. The digital I/O can be configured to control cash drawers and sense warning signals from an Uninterrupted Power System (UPS), or perform store security control. The digital I/O is controlled via software programming. (The application method can be referred to Appendix B.) Pin 2.
SBC84833 Series All-In-One Capa Board User’s Manual Pin 26 Signal Pin Signal 1 WAKE# 2 +3.3V 3 N.C 4 GND 5 N.C 6 +1.5V 7 GND 8 N.C 9 GND 10 N.C 11 CLK- 12 N.C 13 CLK+ 14 N.C 15 GND 16 N.C 17 N.C 18 GND 19 N.C 20 N.C 21 GND 22 PERST# 23 PERN3 24 +3.3VSB 25 PERP3 26 GND 27 GND 28 +1.5V 29 GND 30 SMB_CLK 31 PETN3 32 SMB_DATA 33 PETP3 34 GND 35 GND 36 USB_D7- 37 N.C 38 USB_D7+ 39 N.C 40 GND 41 N.C 42 N.C 43 N.C 44 N.
SBC84833 Series All-In-One Capa Board User’s Manual CN7 2.4.8 SMBus Connector (CN9) Connector CN9 is for SMBUS interface support.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.9 Serial Port3 & Serial Port4 (CN10) Pin 28 Signal Pin Signal 1 DCD3 2 DSR3 3 RXD3 4 RTS3 5 TXD3 6 CTS3 7 DTR3 8 RI3 9 GND 10 N.C. 11 DCD4 12 DSR4 13 RXD4 14 RTS4 15 TXD4 16 CTS4 17 DTR4 18 RI4 19 GND 20 N.C.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.10 Keyboard and PS/2 Mouse Connector (CN11) The board supports a PS/2 Keyboard and Mouse interface. Connector is a DIN connector for PS/2 keyboard Connection via “Y” Cable. Pin Signal 1 Keyboard Data 2 Mouse Data 3 GND 4 VCC 5 Keyboard Clock 6 Mouse Clock 2.4.11 VGA Connector (CN13) The board has three connectors to support CRT VGA and flat panel displays, individually or simultaneously.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.12 Serial Port1 Connector (COM1) The COM 1 Port connector is a standard DB-9 connector. Pin 1 DCD, Data carrier detect 2 RXD, Receive data 3 TXD, Transmit data 4 DTR, Data terminal ready 5 GND, ground 6 DSR, Data set ready 7 RTS, Request to send 8 CTS, Clear to send 9 RI, Ring indicator 2.4.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.14 Power output Connector (CN8) The CN8 can be the power supply for SATA 2.5" HD only. Pin Signal 1 +12V 2 GND 3 GND 4 +5V 2.4.15 Ethernet Connectors (LAN1) The RJ-45 connector is for Ethernet. To connect the board to a 1000/100/10 Base-T hub, just plug one end of the cable into connector and connect the other end (phone jack) to a 1000/100/10-Base-T hub.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.17 Pin USB Port Connector (USB3) Signal Pin Signal 1 USB VCC0 (+5VS) 5 USB VCC0 (+5VS) 2 USB D0- 6 USB D1- 3 USB D0+ 7 USB D1+ 4 Ground (GND) 8 Ground (GND) 2.4.18 Internal USB Connector (USB1) These Universal Serial Bus (USB) connectors on this board are for installing versatile USB interface peripherals. This is a 10-pin standard USB connector.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.19 Internal USB Connector (USB4) These Universal Serial Bus (USB) connectors on this board are for installing versatile USB interface peripherals. This is a 10pin standard USB connector. Pin 1 Signal Pin Signal 3 USB VCC2 (+5VS) USB D4 4 USB VCC2 (+5VS) USB D5- 5 USB D4+ 6 USB D5+ 7 Ground (GND) 8 Ground (GND) 9 Ground (GND) 10 Ground (GND) 2 2.4.
SBC84833 Series All-In-One Capa Board User’s Manual 2.4.21 CompactFlash™ Socket (SCF1) The board is equipped with a CompactFlashTM disk type-II socket on the solder side to support an IDE interface CompactFlashTM disk card with DMA mode supported. The socket is especially designed to avoid incorrect installation of the CompactFlashTM disk card. When installing or removing the CompactFlashTM disk card, please make sure the system power is off.
SBC84833 Series All-In-One Capa Board User’s Manual JUMPERS AND CONNECTORS 35
SBC84833 Series All-In-One Capa Board User’s Manual CHAPTER 3 HARDWARE DESCRIPTION 3.1 Microprocessors ® The SBC84833 Series supports Intel Atom™ processor N270, which make your system operated under Windows XP and Windows VISTA environments.The system performance depends on the microprocessor. Make sure all correct settings are arranged for your installed microprocessor to prevent the CPU from damages. 3.
SBC84833 Series All-In-One Capa Board User’s Manual 3.4 I/O Port Address Map There are total 1KB port addresses (under OS WinXP) available for assignment to other devices via I/O expansion cards.
SBC84833 Series All-In-One Capa Board User’s Manual 38 HARDWARE DESCRIPTION
SBC84833 Series All-In-One Capa Board User’s Manual 3.5 Interrupt Controller The SBC84833 Series is a 100% PC compatible control board. It consists of 16 interrupt request lines, and four out of them can be programmable. The mapping list of the 16 interrupt request lines is shown as the following table.
SBC84833 Series All-In-One Capa Board User’s Manual CHAPTER 4 AMI BIOS SETUP UTILITY This chapter provides users with detailed description about how to set up basic system configuration through the AMIBIOS8 BIOS setup utility. 4.1 Starting To enter the setup screens, follow the steps below: 1. Turn on the computer and press the key immediately. 2. After pressing the key, the main BIOS setup menu displays.
SBC84833 Series All-In-One Capa Board User’s Manual Å Left/Right The Left and Right keys allow you to select a setup screen. ÇÈ Up/Down The Up and Down keys allow you to select a setup screen or sub-screen. +− Plus/Minus The Plus and Minus keys allow you to change the field value of a particular setup item. Tab The key allows you to select setup fields. F1 The key allows you to display the General Help screen.
SBC84833 Series All-In-One Capa Board User’s Manual 4.3 Main Menu When you first enter the Setup Utility, you will enter the Main setup screen. You can always return to the Main setup screen by selecting the Main tab. There are two Main Setup options. They are described in this section. The Main BIOS Setup screen is shown below. z System Time/Date Use this option to change the system time and date. Highlight System Time or System Date using the keys. Enter new values through the keyboard.
SBC84833 Series All-In-One Capa Board User’s Manual 4.4 Advanced Menu The Advanced menu allows users to set configuration of the CPU and other system devices. You can select any of the items in the left frame of the screen to go to the sub menus: y y y y y y y y CPU Configuration IDE Configuration SuperIO Configuration Hardware Health Configuration ACPI Configuration APM Configuration MPS Configuration USB Configuration For items marked with “f”, please press for more options.
SBC84833 Series All-In-One Capa Board User’s Manual z Configure advanced CPU settings This screen shows the CPU Configuration, and you can change the value of the selected option. ¾ Execute-Disable Bit Capability This item helps you enable or disable the No-Execution Page Protection Technology. Hyper Threading Technology Use this item to enable or disable Hyper-Threading Technology, which makes a single physical processor perform multi-tasking function as two logical ones.
SBC84833 Series All-In-One Capa Board User’s Manual Intel (R) C-STATE tech Use this item to enable or disable the C-State technology. ¾ ¾ Enhanced C-States Use this item to enable or disable any available enhanced C-states ( C1E, C2E, C3E, C4E and Hard C4E). z IDE Configuration Use this screen to select options for the IDE Configuration and change the value of the selected option. A description of the selected item appears on the right side of the screen.
SBC84833 Series All-In-One Capa Board User’s Manual Primary/Secondary/Third IDE Master/Slave Select one of the hard disk drives to configure IDE devices installed in the system by pressing for more options. ¾ z SuperIO Configuration Use this screen to select options for the SuperIO Configuration, and change the value of the selected option. A description of the selected item appears on the right side of the screen.
SBC84833 Series All-In-One Capa Board User’s Manual Serial Port1 Address This item specifies the base I/O port address and Interrupt Request address of serial port 1. The Optimal setting is 3F8/IRQ4. The FailSafe default setting is Disabled. ¾ Serial Port1 IRQ This item specifies the IRQ used by the serial port 1. ¾ ¾ Serial Port2 Address This item specifies the base I/O port address and Interrupt Request address of serial port 2. The Optimal setting is 2F8/IRQ3. The FailSafe setting is Disabled.
SBC84833 Series All-In-One Capa Board User’s Manual z Hardware Health Configuration This screen shows the Hardware Health Configuration, and a description of the selected item appears on the right side of the screen. System Temperature/CPU Temperature These items display the temperature of CPU and System, Vcore, etc.
SBC84833 Series All-In-One Capa Board User’s Manual z ACPI Settings Use this screen to select options for the ACPI Settings, and change the value of the selected option. A description of the selected item appears on the right side of the screen.
SBC84833 Series All-In-One Capa Board User’s Manual ¾ General ACPI Configuration Scroll this item and press to view the General ACPI Configuration sub menu, which contains General ACPI (Advanced Configuration and Power Management Interface) options for your configuration.
SBC84833 Series All-In-One Capa Board User’s Manual Advanced ACPI Configuration Scroll this item and press to view the Advanced ACPI Configuration sub menu, which contains Advanced ACPI (Advanced Configuration and Power Management Interface) options for your configuration.
SBC84833 Series All-In-One Capa Board User’s Manual Chipset ACPI Configuration Scroll to this item and press to view the Chipset ACPI Configuration sub menu, which contains Chipset ACPI (Advanced Configuration and Power Management Interface) options for your configuration.
SBC84833 Series All-In-One Capa Board User’s Manual z APM Configuration Use this screen to select options for the APM Configuration, and change the value of the selected option. A description of the selected item appears on the right side of the screen. ¾ Power Management/APM Set this item to allow Power Management/APM support. The default setting is Enabled. Disabled Set this item to prevent the chipset power management and APM (Advanced Power Management) features.
SBC84833 Series All-In-One Capa Board User’s Manual Video Power Down Mode This option specifies the Power State. When the BIOS places it in a power saving state, the video subsystem enters when the BIOS places it in a power saving state after the specified period of display inactivity has expired. The default setting is Suspend. ¾ Disabled Suspend This setting prevents the BIOS from initiating any power saving modes concerned with the video display or monitor.
SBC84833 Series All-In-One Capa Board User’s Manual ¾ Power Button Mode This option specifies how the externally mounted power button on the front of the computer chassis is used. The default setting is On/Off. ¾ On/Off Pushing the power button turns the computer on or off. This is the default setting. This is the default setting. Suspend Pushing the power button places the computer in Suspend mode or Full On power mode.
SBC84833 Series All-In-One Capa Board User’s Manual z MPS Configuration This screen shows the MPS (Multi Processor Specification) Configuration, and you can change its value. A description of the selected item appears on the right side of the screen. ¾ MPS Revision Use this item to select MPS (Multi Processor Specification) Revision 1.1 or 1.4. The default setting is 1.4.
SBC84833 Series All-In-One Capa Board User’s Manual z USB Configuration You can use this screen to select options for the USB Configuration, and change the value of the selected option. A description of the selected item appears on the right side of the screen. USB Function Use this item to enable or disable USB function. ¾ ¾ USB 2.0 Controller Use this item to enable or disable the USB 2.0 controller.
SBC84833 Series All-In-One Capa Board User’s Manual ¾ BIOS EHCI Hand-Off Enabling this item provides the support for operating systems without an EHCI hand-off feature.The default setting is Enabled. USB Mass Storage Device Configuration Scroll this item and press to view the USB Mass Storage Device Configuration sub menu, which contains several options for your configuration.
SBC84833 Series All-In-One Capa Board User’s Manual 4.5 Boot Menu The Boot menu allows users to change boot options of the system. You can select any of the items in the left frame of the screen to go to the sub menus: y y y y Boot Settings Configuration Boot Device Priority Hard Disk Drives Lan Boot Option For items marked with “f”, please press for more options.
SBC84833 Series All-In-One Capa Board User’s Manual Boot Settings Configuration z ¾ Quick Boot Enabling this item lets the BIOS skip some power on self tests (POST). The default setting is Enabled. AddOn ROM Display Mode This item selects the display mode for option ROM. The default setting is Force BIOS. ¾ Boot Num-Lock Use this item to select the power-on state for the NumLock. The default setting is On.
SBC84833 Series All-In-One Capa Board User’s Manual ¾ PS/2 Mouse Support This item determines if the BIOS should reserve IRQ12 for the PS/2 mouse or allow other devices to make use of this IRQ. Here are the options for your selection, Auto, Enabled and Disabled. Wait For ‘F1’ If Error If this item is enabled, the system waits for the F1 key to be pressed when error occurs. The default setting is Enabled.
SBC84833 Series All-In-One Capa Board User’s Manual 4.6 Security Menu The Security menu allows users to change the security settings for the system. Supervisor Password This item indicates whether a supervisor password has been set. If the password has been installed, Installed displays. If not, Not Installed displays. ¾ ¾ User Password This item indicates whether a user password has been set. If the password has been installed, Installed displays. If not, Not Installed displays.
SBC84833 Series All-In-One Capa Board User’s Manual 4.7 Chipset Menu The Chipset menu allows users to change the advanced chipset settings. You can select any of the items in the left frame of the screen to go to the sub menus: y y North Bridge Configuration South Bridge Configuration For items marked with “f”, please press for more options.
SBC84833 Series All-In-One Capa Board User’s Manual North Bridge Configuration z DRAM Frequency Use this item to control the Memory Clock. ¾ Configure DRAM Timing by SPD Use this item to enable or disable DRAM timing by SPD (Serial Presence Detect) device, which is a small EEPROM chip on the memory module, containing important information about the module speed, size, addressing mode and various parameters. ¾ ¾ Memory Hole This area of system memory can be reserved for ISA adapter ROM.
SBC84833 Series All-In-One Capa Board User’s Manual ¾ Boot Graphic Adapter Priority This item allows you to select the graphics controller as the primary boot device. Internal Graphics Mode Select This item allows you to select the amount of system memory used by the internal graphics device. ¾ Video Function Configuration Press for the sub-menu for setting up video function.
SBC84833 Series All-In-One Capa Board User’s Manual South Bridge Configuration z Restore on AC Power Loss This item can control how the PC will behave once power is restored following a power outage, or other unexpected shutdown. ¾ PCIE Port Configuration This item allows you to set or disable the PCI Express Ports.
SBC84833 Series All-In-One Capa Board User’s Manual 4.8 Exit Menu The Exit menu allows users to load the system configuration with optimal or failsafe default values.
SBC84833 Series All-In-One Capa Board User’s Manual Save Changes and Exit When you have completed the system configuration changes, select this option to leave Setup and reboot the computer so the new system configuration parameters can take effect. Select Save Changes and Exit from the Exit menu and press . Select Ok to save changes and exit. ¾ ¾ Discard Changes and Exit Select this option to quit Setup without making any permanent changes to the system configuration.
SBC84833 Series All-In-One Capa Board User’s Manual APPENDIX A WATCHDOG TIMER What is Watchdog Timer The integrated Watchdog Timer can be set up by programming. There are 1~255 levels available. As long as the vaule of timer is set, after enabling, the countdown of the value is starting. It needs to reset or disable watchdog, otherwise auto-reset will be running when the value is counted to 0.
SBC84833 Series All-In-One Capa Board User’s Manual mov out al,Nh dx,al ;Set base timer : mov dx,2Eh mov al,0F6h out dx,al mov dx,2Fh mov al,Mh out dx,al ;Disable WDT: mov dx,2Eh mov al,30h out dx,al mov dx,2Fh mov al,00h out dx,al ;N=00h or 08h(See below Note) ;M=00h,01h,02h,.....FFh (Hex),Value=0 to 255 ; (See below Note) ;Can be disable at ant time Note: When N’s value is 00h, the time base is set second.
SBC84833 Series All-In-One Capa Board User’s Manual When program A has problems to make system shut down, the system can be rebooted by Watchdog timer when the value of watchdog timer is countdowned to 0. The below flowchart can be referred to edit program A.
SBC84833 Series All-In-One Capa Board User’s Manual APPENDIX B DIGITAL I/O Pin 1 3 5 Signal Digital Input 0 (Bit0) Digital Input 1 (Bit1) Digital Input 2 (Bit2) Pin 2 4 6 7 Ground (GND) 8 9 Ground (GND) 10 72 Signal Digital Output 0 (Bit3) CN6 Digital Output 1 (Bit4) Digital Output 2 (Bit5) Digital Output 3 (Bit6) Digital Output 4 (Bit7) Digital I/O
SBC84833 Series All-In-One Capa Board User’s Manual Digital I/O has 8bits (DIO0~7). Every bit can be programmed input or output and is set pull-high with +5V level (main power)as default. BIOS default is 3 IN 5 OUT. The default set all of input and output pin to “1”.
SBC84833 Series All-In-One Capa Board User’s Manual in dx, al ;Bit0 ~ Bit2 are DIO0~2 state. (1 High, 0 Low, Note2) Digital Output ; Set DIO digital output pins’ value. mov dx,2Eh mov al,0E1h out dx,al mov dx,2Fh mov al,M ;If N’s value is 07h, Bit3 ~ Bit7 represent DIO3 ~ DIO7, out dx,al ;Set output value M ;Bit 3 ~ Bit 7 are DIO Pin 3~7 state. (1 High , 0 Low) ;When M is FF, all DIO pins are high.( Note3) Note1: The N has 8bits. Every bit’s value is either “1” or “0”.
SBC84833 Series All-In-One Capa Board User’s Manual 1. DIO7 1 2. DIO7 1 When DIO0~2 connect external device. The device sets DIO0~2 are high. DIO6 DIO5 DIO4 DIO3 1 1 1 1 DIO2 1 DIO1 1 DIO0 1 When DIO0~2 connect external device. The device sets DIO0 is low and DIO1~2 are high. DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0 1 1 1 1 1 1 0 Note3: IF N=07h. DIO7 DIO6 Output Output DIO5 Output DIO4 Output DIO3 Output DIO2 Input DIO1 Intput DIO0 Intput 1.
