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20

Chapter 2

EBC572 User’s Manual

J12 (LVDS) A Channel 1Connector): LCD Panel

CON, LVDS, 20P, DF13-20DP-1.25V, 1.25mm (4NCLM02001)

5

RX3+

6

RX0-

7

RX3-

8

VDD

9

GND

10

RX1+

11

RXCLK+

12

RX1-

13

RXCLK-

14

GND

15

GND

16

BACKLIGHT Power +12V

17

RX2+

18

BACKLIGHT Power +12V

19

RX2-

20

GND

Pin No.

Description

Pin No.

Description

1

DDCPCLK

2

DDVPDATA

3

VDD

4

RX0+

11

Pull-Up

12

DDC Data

13

Horizontal Sync.

14

Vertical Sync.

15

DDC Clock

Pin No.

Description

Pin No.

Description

1

+5VSB

2

USB0 Minus

3

USB0 Plus

4

USB1 Minus

5

USB1 Plus

6

Ground

J13 (USB1) : JST 6-pin Header 2.0mm

J14 (Panel A  Backlight Connector) : JST 6-pin Header 2.0mm

Pin No.

Description

Pin No.

Description

1

PANEL1_ BACKLIGHT
Power +12V

2

PANEL1_VDD

3

GND

4

GND

5

NC

6

LVDS_Backlight Enabled Control

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Содержание EBC 572 Series

Страница 1: ...Www nexcom com EBC 572 Series User Manual 2004 03Edition TheDigitalInfrastructure This manual serves to all EBC572series EBC572 EBC572A S t o c k C h e c k c o m ...

Страница 2: ...registered trademarks of their respective owners Regulatory Compliance Statements This section provides the FCC compliance statement for Class A devices and describes how to keep the system CE compliant FEDERAL COMMUNICATIONS COMMISSION FCC FOR CLASS A DEVICES This equipment has been tested and verified to comply with the limits for a Class A digital device pursu ant to Part 15 of FCC Rules These ...

Страница 3: ...ns and notices in this guide and the documentation supplied with thechassis power supply and accessory modules If the instructions for the chassis and power supply are inconsis tent with these instructions or the instructions for accessory modules con tact the supplier to find out how you can ensure that your computer meets safety and regulatory requirements CAUTION Electrostatic discharge ESD can...

Страница 4: ...2Precautions 12 2 3SettingJumpers 13 2 4Location ofJumpers 14 2 5FunctionofJumpers 14 2 6LocationofConnectors 16 2 7Functions of Connectors 17 Chapter 3 CapabilityExpanding 22 3 1System Memory 23 3 2Installing DIMM 24 3 3InstallingCompactFlash 26 3 4Installing Intel Pentium M CPU and Fan Heatsink 27 Chapter 4 AwardBIOSSetup 29 4 1About theBIOS 30 4 2WhentoRunBIOS 30 4 3EnteringSetup 31 4 4The Main...

Страница 5: ...1InstallationCD 54 5 2Installing Drivers for EBC572 series 54 5 3InstallingIntel Chipset 55 5 4InstallingAudioDriver 56 5 5Installingthe On boardVGA Driver 57 5 6Installingthe On board USB Driver 59 5 7Installingthe On Board LAN Driver 61 AppendixA Watchdog Timer 63 A 1WatchdogTimerWorking Procedure 64 A 2WatchdogTimerControl Register 65 A 3Watchdog Timer ProgrammingProcedure 65 AppendixB GPI O Pr...

Страница 6: ...5 Chapter 1 General Information S t o c k C h e c k c o m ...

Страница 7: ...2 Specifications System Architecture w 5 25 drive form factor CPU Support w Intel Micro FCPGA Socket 478 Pentium M processor w Intel Micro FCBGA 479 pin Pentium M LV ULV processor optional w 1M L2 cache on die Memory w Max 2GB memory DDR DIMM x 2 w Support un buffered ECC DIMM BIOS w Award System BIOS w Plug Play support w ACPI 1 0b compliant w 4M bits flash ROM Chipset w Intel 855GM E w Intel 828...

Страница 8: ...n connector x 1 Compact Flash Socket x 1 w Serial port 16C550UARTs x 4 40 pin header x 1 RS 232 422 485 x 1 RS 232 20 x 2 pin 2 00mm x 3 w Parallel port Bi directional EPP ECP support 26 pin connector x 1 Box Header w FDD Slim type connector w External keyboard Mouse 6 Pin 2 00 Pin JST x 1 w On board buzzer x 1 w Digital I O 4 bit TTL input 4 bit TTL output w Reset SW IDE active LED ATX power butt...

Страница 9: ... Storage temperatures 20oC to 80oC w Relative humidity 10 to 90 Non condensing Certification w CE w FCC 1 3 Checklist w EBC572 A embedded CPU board x 1 w Printer Cable x 1 w VGA Cable x 1 w FFD Cable x 1 w PS2 Keyboard Mouse Cable x 1 w USB Cable x 2 w IDE Cable x 1 w Serial Cable x 1 w Video RCA cable x 1 For EBC572A model only w TV Out Cable x 1 For EBC572A model only w CPU Fan x 1 w EBC572 Quic...

Страница 10: ...9 Chapter 1 EBC572 User s Manual 1 4 Board Layout Figure 1 1 Birdeye s View of the EBC572 S t o c k C h e c k c o m ...

Страница 11: ...10 Chapter 1 EBC572 User s Manual 1 5 Board Dimensions Physical Dimensions 203mm L x 146mm W This concludes Chapter 1 The next chapter covers setting up the EBC572 A S t o c k C h e c k c o m ...

Страница 12: ...11 Chapter 2 Jumper Setting S t o c k C h e c k c o m ...

Страница 13: ...tal object Static electricity can damage many of the electronic components Humid environment tend to have less static electricity than dry environments A grounding strap is warranted whenever danger of static electricity exists 2 2 Precautions Computer components and electronic circuit boards can be damaged by discharges of static electricity Working on the computers that are still connected to a ...

Страница 14: ...umper is SHORT If you remove the jumper cap or place the jumper cap on just one pin the jumper is OPEN Please see the following illustrations The illustrations on the right show a 2 pin jumper When the jumper cap is placed on both pins the jumper is SHORT If you remove the jumper cap or place the jumper cap on just one pin the jumper is OPEN Open Off Short On These illustrations show a 3 pin jumpe...

Страница 15: ...ation options The table below defines function of each jumper Jumper Function JP1 Panel 2 Power Select JP2 Panel 1 Power Select JP3 CMOS Status Select J18 PCI 2 1 or PCI 2 2 Select SW1 Serial Port 2 RS232 422 485 Select 2 4 Location of Jumpers Figure 2 1 Jumper Location S t o c k C h e c k c o m ...

Страница 16: ... On On On RS485 On On Off On means default setting JP1 Panel 2 Power Select PIN HEADER 1 x 3 2 0mm JP2 Panel 1 Power Select PIN HEADER 1 x 3 2 0mm JP3 CMOS Status Select PIN HEADER 1 x 3 2 0mm Pin No Status Function 1 2 Short 5V Input 2 3 Short 3 3V Input means default setting Pin No Status Function 1 2 Short 5V Input 2 3 Short 3 3V Input means default setting Pin No Status Function 1 2 Short Norm...

Страница 17: ...16 Chapter 2 EBC572 User s Manual 2 6 Location of Connectors Figure 2 2 Connector Location S t o c k C h e c k c o m ...

Страница 18: ... Connector J19 IrDA Connector J20 USB2 J22 Compact Flash Connector J23 AC 97 Connector J24 LAN 1 Speed LED Connector J25 LAN 1 Active Link LED Connector J26 Parallel Port Connector J27 Power LED Connector J28 LAN 2 Active Link LED Connector J29 LAN 2 Speed LED Connector J30 ATX Power Button Connector J31 Reset Button Connector J32 Serial Port Connector J33 5V Power Connector for IDE J34 IDE Active...

Страница 19: ...ription 1 TV Video 2 TV GND 3 S Video C 4 TV GND 5 S Video V 6 TV GND 7 Component Y 8 TV GND 9 Component Pr 10 TV GND 11 Component Pb Pin No Description Pin No Description 1 DDCPCLK 2 DDVPDATA 3 VDD 4 RX4 5 RX7 6 RX4 7 RX7 8 VDD 9 GND 10 RX5 11 RXCLK 12 RX5 13 RXCLK 14 GND 15 GND 16 BACKLIGHT Power 12V 17 RX6 18 BACKLIGHT Power 12V 19 RX6 20 GND J6 LVDS B Channel 1 Connector LCD Panel CON LVDS 20P...

Страница 20: ... VDD 4 RX4 5 RX7 6 RX4 7 RX7 8 VDD 9 GND 10 RX5 11 RXCLK 12 RX5 13 RXCLK 14 GND 15 GND 16 BACKLIGHT Power 12V 17 RX6 18 BACKLIGHT Power 12V 19 RX6 20 GND Pin No Description Pin No Description 1 PANEL2_BACKLIGHT Power 12V 2 PANEL2_VDD 3 GND 4 GND 5 NC 6 LVDS_Backlight Enabled Control J9 Panel B Backlight Connector JST 6Pin Header 2 0mm J10 VGA Connector Pin Header 2 x 8 2 0mm Pin No Description Pin...

Страница 21: ...iption Pin No Description 1 DDCPCLK 2 DDVPDATA 3 VDD 4 RX0 11 Pull Up 12 DDC Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Clock Pin No Description Pin No Description 1 5VSB 2 USB0 Minus 3 USB0 Plus 4 USB1 Minus 5 USB1 Plus 6 Ground J13 USB1 JST 6 pin Header 2 0mm J14 Panel A Backlight Connector JST 6 pin Header 2 0mm Pin No Description Pin No Description 1 PANEL1_ BACKLIGHT Power 12V 2 PANEL1_V...

Страница 22: ...ription 1 5V 2 No Connect 3 Data Receive 4 Ground 5 Data Transmit Pin No Description Pin No Description 1 5VSB 2 USB2 Minus 3 USB2 Plus 4 USB3 Minus 5 USB2 Plus 6 Ground J20 USB2 JST 6 pin Header 2 0mm J19 IrDA Connector Pin Header 1x5 2 0mm J15 SMbus External Connector Pin Header 1 x 2 2 0mm S t o c k C h e c k c o m ...

Страница 23: ...ector Pin Header 1 x 2 2 0mm Pin No Description Pin No Description 1 AC SDOUT 2 VCC5 3 AC RST 4 GND 5 AC SYNC 6 12V 7 AC SDIN0 8 AC SDIN1 9 AC BTCLK 10 ICH SPKR Pin No Description Pin No Description 1 LED Power 3 3VSB 2 LAN Speed 10 100 Pin No Description Pin No Description 1 ACTLED1 2 LILED1 Pin No Description Pin No Description 1 Pull Up to 5V 2 Ground Pin No Description Pin No Description 1 ACT...

Страница 24: ...X 2 Ground Pin No Description Pin No Description 1 Ground 2 H W Reset Pin No Description Pin No Description 1 5V 2 Ground Pin No Description Pin No Description 1 Pull Up to 5V 2 Active signal Pin No Description Pin No Description 1 Digital input 1 2 Digital output 1 3 Digital input 2 4 Digital output 2 5 Digital input 3 6 Digital output 3 7 Digital input 4 8 Digital output 4 9 VCC5 10 GND Pin No D...

Страница 25: ...24 Chapter 3 Capability Expanding S t o c k C h e c k c o m ...

Страница 26: ...ory banks Please notice that the EBC572 A support Double Data Rate Ram DDR266 Configurations using different brands of memory modules are not recommended Table 3 1 EBC572 A DIMM Configurations DIMM1 DIMM2 Total 128 MB Empty 128 MB Empty 128 MB 128 MB 128 MB 128 MB 256 MB 256 MB Empty 256 MB Empty 256 MB 256 MB 256 MB 256 MB 512 MB 512 MB Empty 512 MB Empty 512 MB 512 MB 512 MB 512 MB 1024 MB 1024 ...

Страница 27: ...ke sure the two handles of the DIMM sockets are in the open position i e the handles stay outward Figure3 1 How to Install DIMM 1 2 Slowly slide the DIMM modules along the plastic guides in the both ends of the socket Figure 3 2 How to Install DIMM 2 S t o c k C h e c k c o m ...

Страница 28: ... the two handles automatically locked the memory modules into the right position of the DIMM socket Figure 3 3 How to Install DIMM 3 4 To take away the memory module just push the both handles outward the memory module will be ejected by the mechanism in the socket Figure 3 4 How to Install DIMM 4 S t o c k C h e c k c o m ...

Страница 29: ...th the Compact Flash socket in the EBC572 A Then firmly insert the card into the socket until it is completely seated Figure 3 5 How to Install Compact Flash Memory 1 2 To remove the Compact Flash memory card from EBC572 A pull out the memory card from the Compact Flash socket Figure 3 6 How to Install Compact Flash Memory 2 S t o c k C h e c k c o m ...

Страница 30: ...nstallation process 1 Be sure to have the CPU socket in open position by using the screwdriver to open Figure 3 7 How to Install CPU 1 2 Place the CPU on the middle of the socket orienting its beveled corner to line up with the socket s beveled corner Make sure the pins of the CPU fit evenly to the socket openings Figure 3 8 How to Install CPU 2 OPEN CLOSE The indicator Socket sBeveled Corner CPU ...

Страница 31: ...ose position Figure 3 9 How to Install CPU 3 4 Place the fan heatsink from the package onto the CPU socket Fasten four screws Figure 3 10 How to Install fan heatsink 1 5 Insert the fan power connector onto J2 on the EBC572 A embedded CPU board Figure 3 11 How to Install fan heatsink 2 S t o c k C h e c k c o m ...

Страница 32: ...31 Chapter 4 Award BIOS Setup S t o c k C h e c k c o m ...

Страница 33: ...nd in CMOS With easy to use pull down menus you can configure such items as w Hard drives diskette drives and peripherals w Video display type and display options w Password protection from unauthorized use w Power management features The settings made in the Setup program intimately affect how the computer performs It is important therefore first to try to understand all the Setup options and sec...

Страница 34: ...nter Setup Another way to enter Setup is to power on the computer and wait for the following message during the POST TO ENTER SETUP BEFORE BOOT PRESS CTRL ALT ESC OR DEL KEY Press the Del key or press the Ctrl Alt and Esc keys to enter Setup 4 4 The Main Menu Once you enter Award BIOS CMOS Setup Utility the Main Menu Figure 1 will appear on the screen The main menu allows you to select from ten se...

Страница 35: ...zed Defaults Use this menu to load the BIOS default values i e factory settings for optimal performance system operations While Award has designed the custom BIOS to maximize performance the factory has the option to change these defaults to meet their needs Set Supervisor User Password Enables you to change set or disable the supervisor or user password Save Exit Setup Saves CMOS value changes to...

Страница 36: ...Item PgUp plus key Increase the numeric value or make changes PgDn minus key Decrease the numeric value or make changes F1 key F1 General help only for Status Page Setup Menu and Option Page Setup Menu F2 Shift F2 key Change color from total 16 colors F2 to select color forward Shift F2 to select color backward F5 key Restore the previous CMOS value from CMOS only for Option Page Setup Menu F6 key...

Страница 37: ...field date month year Press the PgUp or PgDn key to increment the setting or type the desired value into the field Time hh mm ss The time format is based on the 24 hour military time clock For example 1 p m is 13 00 00 Press the left or right arrow key to move to the desired field Press the PgUp or Pg Dn key to increment the setting or type the desired value into the field IDE Devices Your compute...

Страница 38: ... setting up a new hard disk drive that supportsLBA mode more than one line will appearin the parameter box Choose the line that lists LBA for an LBA drive Do not choose Large or Normal if the hard disk drive is already fully formatted when you installed it Select the mode that was used to format it IDE Primary Secondary Master Slave If you leave this item at Auto the system will automatically dete...

Страница 39: ... could be used fordiskless workstations Video Set this field to the type of graphics card installed in your system If you are using a BGA or higher resolution card choose the EGA VGA option The options are w EGA VGA Enhanced Graphics Adapter Video Graphics Array For EGA VGA SEGA or PGA monitor adapters w CGA40 Color Graphics Adapter power up in 40 column mode w CGA80 Color Graphics Adapter power u...

Страница 40: ... ESC to go back to the main screen 4 8 Advanced BIOS Features Selecting Advanced BIOS Feature on the main program screen displays this menu which allows you to define advanced information about your system You can make modifications to most of these items to improve your system performance or set up system features according to your preference without caus ing fatal errors to your system Figure 4 ...

Страница 41: ...ry This BIOS feature is used to enable or disable the processor s Level 1 and Level 2 cache Naturally the default and recommended setting is Enabled Quick Power On Self Test Select Enabled to reduce the amount of time required to run the Power On Self Test POST A quick POST skips certain steps We recommend that you normally enable quick POST First Second Boot Device BIOS attempts to load the opera...

Страница 42: ...s required every time the system boots or only when you enter Setup System The system will not boot and access to Setup will be denied if the correct password is not entered at the prompt Setup The system will boot but access to Setup will be denied if the correct password is not entered at setup MPS Version Control for OS This feature is only applicable to multiprocessor motherboards as it specif...

Страница 43: ...meyou might consider makingany changes would be ifyou discovered that data was being lost while using your system The first chipset settings deal with CPU access to dynamic random access memory DRAM The default timings have been carefully chosen and should only be altered if data is beinglost Such a scenario might well occur if your system has mixed speed DRAM chips installed so that greater delay...

Страница 44: ...erture refers to a section of the PCI memory address range used for graphics memory The available choices are 4M 8M 16M 32M 64M 128 M and 256M On Chip VGA By default the On Chip VGA or chipset integrated VGA is Enabled On Chip Frame Buffer Size The On Chip Frame Buffer Size can be set as 1MB or 8MB This memory is shared with the system memory Boot Display Boot Display determines the display output...

Страница 45: ...ou have made your selections in the Advanced Chipset Features setup press ESC to go back to the main screen 4 10 Integrated Peripherals Figure 4 6 BIOS Integrated Peripherals OnChip IDE Device Select this item to setup the IDE device features When you select this item the following menu shows Figure 4 7 BIOS OnChip IDE Device S t o c k C h e c k c o m ...

Страница 46: ...R2 or a third party IDE bus master driver If your hard drive and your system software both support Ultra DMA select Auto to enable BIOS support The choices are Auto and Disabled IDE HDD Block Mode Block mode is also called block transfer multiple commands or multiple sector read write If your IDE hard drive supports block mode most new drives do select Enabled for automatic detection of the option...

Страница 47: ...Q that s been taken up by this serial port you can manually select an alternative I O port or IRQ for it You can also disable this serial port if you do not need to use it Doing so frees up the I O port and IRQ used by this serial port Those resources can then be reallocated for other devices to use UART Mode Select Select an operating mode for the serial port The choices are Normal IrDA ASKIR SCR...

Страница 48: ...saving modes including powering down the hard disk turning off the video suspending to RAM and software power down that allows the system to be automatically resumed by certain events The power saving modes can be controlled by timeouts If the system is inactive for a time the timeouts begin counting If the inactivity continues so that the timeout period elapses the system enters a power saving mo...

Страница 49: ...used for the state of hibernation The choices are as below w S1 POS Power on Suspend w S3 STR Suspend to RAM w S1 S3 Power Management This category allows you to select the type or degree of power saving and is directly related to the following modes HDD Power Down Doze Mode and Suspend Mode w Min Saving Minimum power management w Max Saving Maximum power management w User Define Allows you to set...

Страница 50: ...in active Soft Off by PWR BTTN This function can turn the system off with the on off button places the system in a very low power usage state with only enough circuitry receiving power to detect power button activity or Resume by Ring activity The choices are Delay 4 seconds and Instant Off Wake up by PCI Card When the system enters a Soft off mode Standby power exist but system is not working it ...

Страница 51: ...ade your selections in the Power Management setup press the ESC key to go back to the main program screen 4 12 PnP PCI Configurations This section describes configuring the PCI bus system Peripheral Component Interface is a system which allows I O devices to operate at speeds nearing the speed the CPU itself uses when communicat ing with its own special components This section covers some very tec...

Страница 52: ...ns absolutely nothing unless you are using a Plug and Play operating system such as going into each of the submenus that follows this field The choices are Auto ESCD Manual IRQ Resources When User select Manual for Resource Controlled this setting allow the user to specify what IRQ will be assigned to PCI devices in the chosen slot Options available Auto 3 4 5 7 9 10 11 12 14 and 15 DMA Resource W...

Страница 53: ...e parameters for critical voltages critical temperatures and fan speeds These are the read only items Selecting PC Health Status on the main program screen displays this menu Figure 4 10 BIOS PC Health Status After you have read the PC Health Status press the ESC key to go back to the main program screen S t o c k C h e c k c o m ...

Страница 54: ...aults for all appropriate items in the whole setup utility Press the Y key and then Enter to install the defaults Press the N key and then Enter to not install the defaults Use this option if you have changed your system and it does not operate correctly or does not power up 4 15 Load Optimized Defaults Figure 4 12 BIOS Load Optimized Defaults S t o c k C h e c k c o m ...

Страница 55: ...er your new password The password is case sensitive You can use up to eight alphanumeric characters Press Enter after entering the password At the next prompt confirm the new password by retyping it and pressing Enter again To disable the password dialog box appears A message appears confirming that the password has been disabled If you have set supervisor and user Password only the supervisor pas...

Страница 56: ...55 Chapter 5 Driver Installation S t o c k C h e c k c o m ...

Страница 57: ... find Intel chipset Intel Ata VGA LAN and Audio drivers in the driver CD to implement installation Step 5 1 1 Place the Driver CD into your CD ROM drive Open My computer on your desktop Step 5 1 2 My computer menu appears Double click your CD ROM drive to open 5 2 Installing Drivers for EBC572 series The following sections cover the drivers installation for the EBC572 Refer the following for the s...

Страница 58: ...int to the infinst_autol folder Double click to open it Step 5 3 2 Double click to open the Setup icon It will start running the installation program Step 5 3 3 The Welcome Screen appears click Next button Step 5 3 4 Read the License Agreement If you accept it click Yes to continue Step 5 3 5 Read the ReadMe Information and click Next to continue S t o c k C h e c k c o m ...

Страница 59: ...n audio card into EBC572 5 3 6 The program updates your computer driver files and you are prompted to restart your computer Click Yes I want to restart my computer now and then click Finish button to reboot 5 4 1 Double click to open the Audio folder 5 4 2 When the wdm folder appears double click to open it 5 4 3 Double click on the Setup icon to start the installation process S t o c k C h e c k ...

Страница 60: ...s click Next button to continue 5 4 5 Click Yes to continue the installation process The setup program copies files into your computer 5 4 6 The program updates your computer driver files and you are prompted to restart your computer Click Yes I want to restart my computer now and then click Finish button to reboot 5 5 1 Double click to open the VGA folder S t o c k C h e c k c o m ...

Страница 61: ...The InstallShield Wizard starts click Next button to continue 5 5 4 The Welcome Screen appears Click Next button to continue 5 5 5 Read the License Agreement If you agree it click Yes to continue 5 5 6 The complete installation screen appears Select Yes I want to restart my computer now and click Finish button to reboot your computer S t o c k C h e c k c o m ...

Страница 62: ...en USB folder 5 6 1 Right click the My Computer Icon on the desktop 5 6 2 Open the Hardware page then click Device Manager button 5 6 3 Double click on the items with exclamation mark 5 6 4 Open the Driver page then click Update Driver button 5 6 5 The Upgrade Device Driver Wizard starts Click Next to continue S t o c k C h e c k c o m ...

Страница 63: ...or driver Click Next to continue 5 6 8 Insert the NEXCOM driver CD into the computer CD ROM driver After point to the correct folder click OK to continue 5 6 9 The Wizard found a suitable driver Click Next button The setup program will start coping files into your computer 5 6 10 You have completed the upgrade the device driver wizard Click Finish button to return to your system S t o c k C h e c ...

Страница 64: ...AN folder 5 7 2 Point to the right folder according to your computer operation system Double click to open the folder 5 7 3 Double click to open the PRO2KXPM icon 5 7 4 The InstallShield Wizard starts Read the License Agreement If you agree it click Next to continue 5 7 5 Point to the location where you like to save the drive files Click Next to continue S t o c k C h e c k c o m ...

Страница 65: ...ruction window prompts up click Install Now button 5 7 7 After setup program finish coping files into your computer click Finish button to complete the installation process This concludes Chapter 5 The folloings are the Appendix A and B S t o c k C h e c k c o m ...

Страница 66: ...65 Appendix A Watchdog Timer S t o c k C h e c k c o m ...

Страница 67: ...uter or generate an NMI You must enter timer values into the WDT Configuration Register Write the control value to the Configu ration Port and clear read the Configuration Port Table A 1 Watchdog Timer Character and Function WDT Configuration port I O port 2E0h Read Writable default at 2E0h Watchdog Timer Disabled Disable WDT functions Default setting Enabled EnableWDT functions control by WDT tim...

Страница 68: ... Watchdog Timer Programming Procedure Power on or reset the system The initial value of WDT Control Register D4 D0 is zero when power is on or reset the system The following shows the initial value of WDT 00000000b Table A 3 WDT Control Register Initial Value Bit Value Mean 7 0 Disable WDT 6 0 Reset output is disable 5 0 NMI output is disable 4 0 WDT Notice output is disable 3 0 Select WDT count m...

Страница 69: ...1 Select the WDT time out occurs time Time out intervals decide by values of bit 2 bit 1 bit 0 in I O port 2E0h minute or second decide by values of bit 3 in I O port 2E0h 2 Enable or Disable WDT Notice Output decide by bit 4 value in I O port 2E0h 3 Enable or Disable NMI Output decide by bit 5 value in I O port 2E0h 4 Enable or Disable Reset Output decide by bit 6 value in I O port 2E0h 5 Enable ...

Страница 70: ...69 Appendix B GPI O Programming S t o c k C h e c k c o m ...

Страница 71: ...turns the digital input corresponding pin Write is ignored 0 Corresponding pin level low 1 Corresponding pin level high w Bit4 7 The bit corresponds to pin of digital output Reading the bit returns it s value that written before 0 Corresponding pin driven to low 1 Corresponding pin released to high default Pin No GPI O mode Default Corresponding Pin Default PowerOn Pin No GPI O mode Default Corres...

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