IPPC-6152A Series 15" XGA TFT LCD Pentium M / Celeron M Industrial Panel PC with 2 x PCI Slots User Manual
Copyright The documentation and the software included with this product are copyrighted 2008 by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right to make improvements in the products described in this manual at any time without notice. No part of this manual may be reproduced, copied, translated or transmitted in any form or by any means without the prior written permission of Advantech Co., Ltd. Information provided in this manual is intended to be accurate and reliable.
Product Warranty (2 years) Advantech 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 Advantech, or which have been subject to misuse, abuse, accident or improper installation.
Declaration of Conformity CE This product has passed the CE test for environmental specifications. Test conditions for passing included the equipment being operated within an industrial enclosure. In order to protect the product from being damaged by ESD (Electrostatic Discharge) and EMI leakage, we strongly recommend the use of CE-compliant industrial enclosure products.
Safety Instructions 1. Read these safety instructions carefully. 2. Keep this User's Manual for later reference. 3. Disconnect this equipment from any AC outlet before cleaning. Use a damp cloth. Do not use liquid or spray detergents for cleaning. 4. For plug-in equipment, the power outlet socket must be located near the equipment and must be easily accessible. 5. Keep this equipment away from humidity. 6. Put this equipment on a reliable surface during installation.
15. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT WHERE THE STORAGE TEMPERATURE MAY GO BELOW -40° C OR ABOVE 85° C. THIS COULD DAMAGE THE EQUIPMENT. THE EQUIPMENT SHOULD BE IN A CONTROLLED ENVIRONMENT. Safety Precaution - Static Electricity Follow these simple precautions to protect yourself from harm and the products from damage. 1. To avoid electrical shock, always disconnect the power from your PC chassis before you work on it.
Contents Chapter Chapter 1 General Information ....................................... 2 1.1 1.2 Introduction ....................................................................... 2 Specifications .................................................................... 3 1.3 Dimensions........................................................................ 6 1.2.1 1.2.3 1.2.4 2 System Setup.................................................... 8 2.1.2 2.1.4 2.1.5 2.1.6 2.1.7 2.2 2.
5.2.8 5.2.9 5.2.10 5.2.11 5.2.12 Spread Spectrum Control ............................................. 54 Load Optimized Defaults ............................................. 54 Set Password ................................................................ 55 Save & Exit Setup ........................................................ 56 Exit Without Saving ..................................................... 56 Appendix A IO & Connector Pin Assigns ........................ 58 A.1 A.2 A.3 A.4 A.5 A.6 A.
CHAPTER 1 General Information Sections include: • Introduction • Specifications • Dimensions
Chapter 1 General Information 1.1 Introduction The IPPC-6152A series of industrial panel PCs is especially designed to fit in space-limited environments where expansion is restricted. Its solidstructure enables systems to operate under harsh industrial conditions. Sturdy Structure The whole system is protected by a firm solid structure. The front panel is made of sturdy aluminum and has strengthened glass. It is shock resistant, and complies with NEMA4/IP65.
1.2 Specifications 1.2.1 General Dimensions (W x H x D): Front Panel: 450 x 315.6 x 6 mm Control Box: 422.4 x 219.4 x 97/112.2 mm Cut out Dimensions: 428 x 297 mm Weight: 13 kg (28 lb) Power Supply: 180 W Input Voltage: 100 V AC ~ 240 V AC @ 50 ~ 60 Hz, 4-2A Output Voltage: +3.3V, 16.8A, +5 V @ 12A, +12 V @ 10A, -12V, 0.8A Disk Drive Housing: Supports 1 x 2.5"SATA HDD, 1 x slim CD-ROM 1.2.2 Standard PC Functions CPU: Socket 478 Pentium M up to 2 GHz Celeron M up to 1.
1.2.3 Display Chipset: Intel 915GM chip integrated Intel Extreme Graphics 2 for 2D/3D video accelerator Display memory: 128 MB frame buffer using system memory Display type: Simultaneous support of CRT & flat panel displays (TFT) Display resolution: LCD displays up to 1024 x 768 @ 262K colors 1.2.4 Audio Functions Chipset: Integrated in Intel 9151GM ICH6M South Bridge Audio controller: AC97 Ver.2.
1.2.
1.
CHAPTER 2 System Setup Sections include: • General • Installing SDRAM • Installing a CPU • Installing a 2.
Chapter 2 System Setup 2.1 General Before you start the computer, please follow these procedures for set up: 1. Check and adjust jumpers on the motherboard (see Chapter 3) 2. Install DDR2 SDRAM 3. Install a CPU 4. Install add-on cards 5. Connect the wires, cables and accessories 6. Mount the computer 7. Program the BIOS settings 8. Install an operating system. Warning: 1. Switch off and unplug every time you access its interior. 2.
2.1.2 Parallel Port IPPC’s support the latest EPP and ECP parallel port protocols for improved performance with compatible printers or other devices. To connect the panel PC to a printer or other devices: 1. Make sure both the panel PC and the printer/devices are turned off. 2. Connect the 25-pin male connector of the printer cable to the 25pin female port on the panel PC labelled "parallel port." 3.
2.1.5 USB ports An external USB device may be connected to the system via the 4-pin USB ports located on the rear side of the system unit. 1. Connect the external device to the system. 2. The USB ports support hot plug-in connection. You should install the device driver before you use the device. 2.1.6 Audio Interface The audio interface includes three jacks: microphone-in, line-out and line-in. Their functions are: Microphone-in: Use an external microphone to record voice and sound.
2.2 Installing SDRAM You can install from 128 MB to 2 GB (x2) of DDR2 SDRAM memory. The Panel PC system provides two DDR2 SDRAM sockets 1. Unlock the back cover and open it. 2. Push the two white eject levers on each side of the DIMM outward until they are separated from the black vertical posts. 3. Insert the memory module into the socket at an angle of 90 degrees. 4. Push the two eject levers toward the vertical posts at each end of the socket until the module is upright.
2.3 Installing a CPU The CPU can be upgraded to improve system performance. The system provides Socket 478 architecture which supports Pentium M CPU up to 2.0 GHz, and Celeron M up to 1.5 GHz.. 1. Unlock the back cover and open it(Same as RAM installation). 2. The CPU jumper setting please check Chapter 3 3. Remove the CPU cooler, then upwards at an angle of 90 degrees. 4. Insert the CPU with the correct orientation.
2.4 Installing a 2.5" SATA HDD You can attach one enhanced Serial Advanced Technology Attachment (SATA) hard disk drive to IPPC6152A’s internal controller which uses PCI local bus interface. The following instructions are for installation: 1. Unscrew the back cover and open it. 2. Remove the two screws and take off CD-ROM, HDD cover. 3. Remove four screws and take off HDD bracket. 4. Insert the HDD into the bracket (see figure ) 5. Put the HDD bracket into the Chassis and fasten the four screws.
2.5 Installing Add-on Cards This system supports two PCI expansion cards. 1. Detach the five screws on the back to open the lid. 2. Take away the slot bracket. 3. Insert the add-on card, and put on the lid. 2.6 Mounting Instructions There are two ways to mount the system: panel mounting or rack mounting. 2.6.1 Panel Mounting 1. Take the four mounting brackets out of the accessory box. 2. Attach the four mounting brackets by inserting the screws into the keyhole slots on the cover of the monitor.
CHAPTER 3 Jumper Settings & Connectors Sections include: • Jumpers Settings
Chapter 3 Jumper Settings &Connectors 3.1 Jumper Settings This section tells how to set the jumpers to configure your card. For the locations of each jumper, see the board layout diagram depicted earlier in this chapter. You configure your card to match the needs of your application by setting jumpers. A jumper is the simplest kind of electric switch. It consists of two metal pins and a small metal cap (often protected by a plastic cover) that slides over the pins to connect them.
3.1.1 Jumpers & Switches The motherboard of the IPPC-6152A has a number of jumpers that allow you to configure your system to suit your applications. The table below lists the function of each of the board.s jumpers. JP1 LCD Power Select Select LCDPower 3.3V/5V JP2 Select CPU VCCA Select CPU VCCA Power 1.5V/1.
3.1.2 Connectors Onboard connectors link the panel PC to external devices such as hard disk drives or floppy drives. The table below lists the function of each of the board.s connectors. CN1, CN2 LVDS 18/24/36/48 BIT LVDS CN3, CN4,CN5 FAN CONNECTOR Wafer 2.54mm 3P 180D(M) FAN CONNECTOR CN7 ATX POWER CONNECTOR ATX Power CONN. 10*2P STAND ATX POWER CONNECTOR CN9 LCD INVERT POWER CONNECTOR WAFER BOX 2.0mm 7P CN10 IDE CONNECTOR CONN. 40P 90D 1.25mm SMD WO/Pb DF1340DP-1.
3.1.3 LCD Power Select(JP1) This jumper is used to select LCD Power is +3.3V or +5V LCD Power Select JP1 +3.
3.1.4 CPU VCCA Power Select (JP2) This jumper is used to select VCCA Power is +1.5V or +1.8V CPU VCCA POWER Selec JP2 +1.5V +1.8V 3.1.5 Measure Battery Current Jumper (JP3) This jumper is used measure batter curren Normal Measure Current Used series connection to Current Meter measure 3.1.6 Clear CMOS (JP4) This jumper is used to erase CMOS data and reset system BIOS information. Follow the procedures below to clear the CMOS. 1. Turn off the system. 2. Close jumper JP1 (1-2). 3.
3.1.7 LVDS Mode Select(JP5) 1024 * 768 (24bit) 800 * 600 (18bit) 1280 * 1024 (48bit) 3.1.
3.1.
CHAPTER 4 Intel Chipset Sections include: • Overview • Utilities and Drivers • Dual Display Setting • Touchscreen Installation & Configuration
Chapter 4 Software Configuration 4.1 Overview In IPPC-6152A , Advantech provides a CD-ROM with utilities and drivers included. Please install the Chipset INF driver, VGA graphics driver, LAN driver, audio driver , Touch Screen driver , Watchdog Timer (WDT) driver sequentially. 4.2 Utilities and Drivers The following utilities and drivers are provided with IPPC-6152A. You can also find out the updated description of the utilities and drivers in the ReadMe.txt file on the CD-ROM.
Audio Driver Path: \ audio\ Available for the OS’s below, • Microsoft Windows 2000 • Microsoft Windows XP Touchscreen Driver Path: \Touch screen\DMC 6000 (Combo) Available for the OS’s below, • Microsoft Windows 2000 • Microsoft Windows XP and more, on the driver CD-ROM.
4.2.1 Installing the IPPC-6152A Watchdog Timer Driver 1. Insert the companion CD-ROM into your CD-ROM drive. Open Path:\WDT 2. Use Windows Explorer (or Windows Run command) to execute SETUP.EXE from the companion CD-ROM.
3. Click Next to proceed. 4. Click Next to confirm the customer information.
5. Select Advantech [W83627HF] Watchdog Timer and click Next. 6. Click Next to confirm selecting the Typical setup type.
7. Click Next to proceed. 8. Click Finish to complete the procedure.
9. Click OK to restart the system and activate the Watchdog Timer.
4.2.2 How to Use the IPPC-6152A Watchdog Timer 1. Open the Control Panel and click Watchdog Service Configuration. 2. Click the Start Service button. 3. Click Setting to select the setting page.
4. Select the Timer Span that meets your application requirement. 5. Click Enable to enable the setting.
6. Check the Start watchdog service on boot to enable the Watchdogtimer to start automatically after the system boots every time. 7. Click OK, then the configuration procedure is finished. Note Use advantech WDT Driver.WDT was enable,and WDT LED was 1Hz glisten. 4.2.3 Dual Display Setting If you use CRT monitor, you must Connections to CRT port in during system boot up. During system boot up, the system will set CRT parameter. If you have multiple devices, you can set them. 1.
2. Select Graphics properties 3. This control allows selection of a device page. The currentlyactive is indicated by a checkmark on the icon. If you have multipledevices, activation of an alternate device is accomplished by selectingthat device icon. Then, select either Apply or OK button. Intel Dual Display Clone is for CRT monitor and IPPC-6152A LCD as the below. 4.2.
CHAPTER 5 Award BIOS Setup Sections include: • Introduction • Entering Setup
Chapter 5 Award BIOS Setup 5.1 Introduction Once you enter the Award BIOS CMOS Setup Utility, the Main Menu (Figure 5-1) will appear on the screen. The Main Menu allows you to select between nine setup functions and two exit choices. Use the arrow keys to select among the items and press to accept or enter the submenu. Award's BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration.
5.2 Entering Setup Turn on the computer and press to enter the BIOS setup.. 5.2.1 Standard CMOS Setup Date The date format is , , , . Time The time format is , based on 24-hour clock. IDE Primary Master/ Secondary Master/ Secondary Slave • IDE HDD Auto-Detection: Press “Enter” to select this option for automatic device detection. • IDE Device Setup: Auto: Automatically detects IDE devices during POST None: Select this when no IDE device is used.
Halt On This category determines whether system start-up will halt or not whenan error is detected during power up. The options are: No Errors/All Errors/All, But Keyboard/All, But Diskette/All, But Disk/Key Memory This category displays base memory, extended memory, and total memory detected during POST (Power On Self Test). 5.2.2 Advanced BIOS Features Setup The "Advanced BIOS FEATURES" screen will appear after the BIOS FEATURES SETUP item from the CMOS SETUP UTILITY Menu was chosen.
Hard Disk Boot Priority Set hard disk boot device priority. CPU Thermal Monitor The Intel Thermal MonitorAutomatic Mode. There are two Automatic modes called Intel Thermal Monitor 1 (TM1) and Intel Thermal Monitor 2 (TM2). And IPPC-9070 Auto dete C-M or P-M.When CPU was C-M BIOS running in TM1,another running TM2. TM1: When Intel Thermal Monitor 1 is enabled, and a high temperature situation exists, the clocks will be modulated by alternately turning the clocks off and on at a 50% duty cycle.
CPU L1 & L2 Cache Enabled (default) Enable cache Disabled Disable cache Note: The internal cache is built into the processor. Quick Power On Self Test This category speeds up Power On Self Test (POST) after you power on the computer. If this is set to Enabled, BIOS will shorten or skip some check items during POST.
Typematic Rate Setting Keystrokes repeat at a rate determined by the keyboard controller. When enabled, the typematic rate and typematic delay can be selected. The settings are: Enabled/Disabled. The default setting is Disabled. Typematic Rate (Chars/Sec) Set the number of times a second to repeat a keystroke key down. The settings are: 6, 8, 10, 12, 15, 20, 24, 30. Typematic Delay (Msec) Sets the delay time after the key is held down before it the keystroke. The settings are: 250, 500, 750, 1000.
5.2.3 Advanced Chipset Features Setup The Advanced Chipset Features Setup option is used to change the values of the chipset registers. These registers control most of the system options in the computer. Choose the "Advanced Chipset Features" from the main menu and the following screen will appear. DRAM Timing Configuration This field lets you select system memory timing data. Manual and BY SPD are two options.
DRAM RAS# Precharge If an insufficient number of cycles is allowed for the RAS to accumulate its charge before DRAM refresh, the refresh may be incomplete and the DRAM may fail to retain data. Fast gives faster performance; and Slow gives more stable performance. This field applies only when synchronous DRAM is installed in the system. The settings are: 2,3,4,5 and Auto.
PCI-E Compliancy Mode This allows the user to select the PCI-E compliant mode. The options are [v1.0], and [v1.0a]. On-Chip Video Memory Size This field let you select On-Chip buffer size. The settings are: 1 and 8. DVMT Mode We have three options (Fixed, DVMT and Both). The default is DVMT. DVMT/FIXED Memory Size We have 64Mb and 128MB. The default is 128MB. 5.2.
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 optimal number of block read/writes per sector the drive can support. The settings are: Enabled (Default), Disabled. On-Chip Primary (SATA) / Secondary (PATA) PCI IDE The integrated peripheral controller contains an IDE interface with support for two IDE channels.
IDE Primary/Secondary Master/Slave UDMA Ultra DMA/33 implementation is possible only if your IDE hard drive supports it and the operating environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE bus master driver). If your hard drive and your system software both support Ultra DMA/33 and Ultra DMA/66 and Ultra DMA/100, select Auto to enable BIOS support. The settings are: Auto (Default), Disabled. USB Controller Select enabled if your system contains a Universal Serial Bus (USB) 1.
AC97 Audio Select “Disable” if you do not want to use AC-97 audio. Options are “Auto”, and “Disabled”. Onboard Serial Port 1 The settings are “3F8/IRQ4”, “2F8/IRQ3”, “3E8/IRQ4”, “2E8/IRQ3”, and “Disabled” for the on-board serial connector. Onboard Serial Port 2 The settings are “3F8/IRQ4”, “2F8/IRQ3”, “3E8/IRQ4”, “2E8/IRQ3”, and “Disabled” for the on-board serial connector.
Parallel Port Mode This field allows you to set the operation mode of the parallel port. The setting "SPP" allows standard speed operation. “EPP” allows bidirectional parallel port operation at maximum speed. “ECP” allows the parallel port to operate in bidirectional mode and at a speed faster than the maximum data transfer rate. “ECP + EPP” allows normal speed operation in a two-way mode. EPP Mode Select This field allows you to select EPP port type 1.7 or 1.9. The choices: EPP1.7, 1.9.
Power Management This category allows you to select the type (or degree) of power saving and is directly related to the following modes: 1. HDD Power Down 2. Suspend Mode There are four selections for Power Management, three of which havefixed mode settings. User Defined(Default) Allows you to set each mode individually. When not disabled,each of the ranges are from 1 min. to 1 hr. except for HDD Power Down which ranges from 1 min. to 15 min.and disable. Min Saving Minimum power management.
Suspend Mode Please refer to 3.7.3 HDD Power Down You can choose to turn the HDD off after one of the time intervals listed, or when the system is in Suspend Mode. If the HDD is in a power saving mode, any access to it will wake it up. Soft-Off by PWR-BTTN If you choose Instant-Off, then pushing the ATX soft power switch button once will switch the system to System Off power mode. You can choose Delay 4 sec.
PCI PIRQ [A-D]# When Enabled, the system will resume from suspend mode if interrupt occurs. The choice: Enabled, Disabled. 5.2.6 PNP/PCI Configuration Setup This section describes configuring the PCI bus system. PCI, or Personal Computer Interconnect, is a system that allows I/O devices to operate at speeds nearing the speed the CPU itself uses when communicating with its own special components.
Resource Controlled By The Award Plug and Play BIOS has the capacity to automatically configure all the boot and Plug and Play compatible devices. However, this capability means absolutely nothing unless you are using a Plug and Play operating system such as Windows® 95/98. If you set this field to "manual," choose specific resources by going into each of the sub menus that follow this field (a sub menu is preceded by a "Y"). The settings are: Auto (ESCD) (Default), Manual.
5.2.7 PC Health Status This section shows the Status of you CPU, System Temp, Warning for overall system status. This is only available if there is Hardware Monitor onboard. CPU Warning Temperature This item will prevent the CPU from overheating. The choices are “Disabled”, “50C/122F”, “53C/127F”, “56C/133F”, “60C/140F”, “63C/ 145F”, “66C/151F”, “70C/158F”, “75C/167F”, “80C/176F”, “85C/ 185F”, “90C/194F”, and “95C/205F”. Current System/CPU Temp./ Fan1/Fan2/Fan3/Vcore/1.5V/3.
5.2.8 Spread Spectrum Control Spread Spectrum This item allows you to enable spread spectrum function. Default is "Disabled." 5.2.9 Load Optimized Defaults When you press on this item, you get a confirmation dialog box with a message similar to: Load Optimized Defaults (Y/N) ? N Pressing 'Y' loads the default values that are factory settings for optimal performance system operations.
5.2.10 Set Password To change, confirm, or disable the password, choose the "PASSWORD SETTING" option form the Setup main menu and press [Enter]. The password can be at most 8 characters long. Remember, to enable this feature. You must first select the Security Option in the Advanced BIOS Features Setup to be either "Setup" or "System." Pressing [Enter] again without typing any characters can disable the password setting function.
5.2.11 Save & Exit Setup If you select this and press the [Enter] key, the values entered in the setup utilities will be recorded in the CMOS memory of the chipset. The microprocessor will check this every time you turn your system on and compare this to what it finds as it checks the system. This record is required for the system to operate. 5.2.12 Exit Without Saving Selecting this option and pressing the [Enter] key lets you exit the Setup program without recording any new values or changing old ones.
Appendix IO & Connector Pin Assignments A
Appendix A IO & Connector Pin Assigns A.1 CN1,CN2 LVDS CN1 VDDSAFE VDDSAFE LCD_A_D3P LCD_A_D3N LCD_A_CLKP LCD_A_CLKN LCD_A_D2P LCD_A_D2N LCD_A_D1P LCD_A_D1N LCD_A_D0P LCD_A_D0N LCD_DCLK LCD_DDAT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 21 22 DF19G_20V_S1.
A.2 CN9 LCD INVERTER L23 30_100MHz W_7H_2.00mm LCDBLPWRVCC LCD_VBR LCD_BACKON# VCC +12V L22 LCDBLPWR 30_100MHz 7 6 5 4 3 2 1 7 6 5 4 3 2 1 CN5 1 A.3 CN12 Touchscreen CN30 TAVSS TP_Y TP_Y + TP_XTP_X+ TP_SENSE 9 8 7 6 5 4 3 2 1 WB_9V_2.
A.4 CN15/CN17 USB 6,7 CN14 USBD6+ USBD6USBV67 5 4 3 2 1 W_5V_2.54mm 1 A.5 CN19,CN21 SATA POWER 8 7 6 5 4 3 2 1 +12V VCC VCC3 L42 30_100MHz SATA2_VCC12 L41 30_100MHz SATA2_VCC5 L40 30_100MHz SATA2_VCC3 N197 N198 N199 0.1uF 0.1uF 0.1uF WB_8V_2.
A.
A.
A.9 CN30 : PS/2 K/b & Mouse Connector Definitions Pin 1 2 3 4 5 6 7 8 9 10 11 12 Signal KB DATA GND VCC KB CLOCK MS DATA GND VCC MS CLOCK A.
A.11 10/100/1000Base-TX Ethernet 10/100Base-TX Signal TD+ TDRD+ N/C N/C RDN/C N/C Pin 1 2 3 4 5 6 7 8 10/100/1000Base-TX Signal MDIAX1+ MDIAX1MDIAX2+ MDIAX3+ MDIAX3MDIAX2MDIAX4+ MDIAX4- LED Indicator Definition Left 10Mbps 100Mbps 1000Mbps Right flick active/link mode Off Green Orange USB Ports Pin Definitions Pin 1 2 3 4 Signal VCC USB_PUSB_P+ GND 2F-CN10-Secondary IDE 44pin 2mm Connector 1 43 2 44 For direct installation 2.
Secondary IDE Connector for 2.
CN36 : Serial port 1,2 RS232 Connector Definitions 1 5 6 Pin 1 2 3 4 5 6 7 8 9 9 Signal NDCD NRX NTX NDTR GND NDSR NRTS NCTS NRI 2F-SA0 : Serial ATA0 (7pin connector) Pin 1 2 3 4 5 6 7 Signal GND TX+ TXGND RXRX+ GND IPPC-6152A Series User Manual 66
Appendix B System Assignments
Appendix B System Assignments B.1 System I/O Ports Addr.
B.2 DMA Channel Assignments Channel Function 0 Available 1 Available 2 Available 3 Available 4 Cascade for DMA controller 1 5 Available 6 Available 7 Available B.
B.4 1st MB Memory Map Addr. range (Hex) Device E0000h - FFFFFh System ROM CC000h - DFFFFh Unused C0000h - CBFFFh VGA BIOS A0000h - BFFFFh VGA buffer 00000h - 9FFFFh Base memory B.
Appendix Watchdog Timer C
Appendix C Watchdog Timer C.1 Overview The IPPC-9070 cards’ watchdog timer can be used to monitor system software operation and take corrective action if the software fails to function after the programmed period. This section describes the operation of the watchdog timer, and how to program it. The watchdog timer is built into the super I/O controller W83627HF. It provides the following functions for user programming: • Can be enabled and disabled by user's program.
73 Appendix C
Register Address (2E) Attribute Description Read/Write Value (2F) and description 87 (hex) ----- Write this address to I/O address port 2E (hex) twice to unlock the W83627HF 07 (hex) write Write 08 (hex) to select register of watchdog timer. 30 (hex) write Write 01 (hex) to enable the function of the watchdog timer. Disabled is set as default. F5 (hex) write Set seconds or minutes as units for the timer. Write 0 to bit 3: set second as counting unit.
C.3 Example Programs 1. Enable watchdog timer and set 10 sec.
Mov al,0aah Out dx,al 2.
Dec dx ; lock W83627HF Mov al,0aah Out dx,al 3.
Mov al,87h Out dx,al Out dx,al ;----------------------------------------------------------Mov al,07h ; Select registers of watchdog timer Out dx,al Inc dx Mov al,08h Out dx,al ;----------------------------------------------------------Dec dx ; Enable the function of watchdog timer Mov al,30h Out dx,al Inc dx Mov al,01h Out dx,al ;----------------------------------------------------------Dec dx ; Enable watchdog timer to be strobed reset by keyboard Mov al,0f7h Out dx,al Inc dx In al,dx Or al,40h Out dx,al ;
Mov al,08h Out dx,al ;----------------------------------------------------------Dec dx ; Enable the function of watchdog timer Mov al,30h Out dx,al Inc dx Mov al,01h Out dx,al ;----------------------------------------------------------Dec dx ; Generate a time-out signal Mov al,0f7h Out dx,al ;Write 1 to bit 5 of F7 register Inc dx In al,dx Or al,20h Out dx,al ;----------------------------------------------------------Dec dx ; lock W83627HF Mov al,0aah Out dx,al 79 Appendix C
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