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104-1649CLD2NA 系列

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outportb(0x66, TIME_OUT_VALUE); /*请以超时时间单位数

量(0x01~0xFF)替换掉常量TIME_OUT_VALUE*/

b. 停止WDT：

outportb(0x66, 0x00);

数字IO编程指引

本主板提供8路可编程数字I/O引脚，其中4路为输入，4路为输出。

以下用C语言形式提供了数字I/0的编程范例，对数字I/O的编程需遵循以下

步骤：



　　初始化数字I/O



　　输入输出编程

(1)

初始化数字I/O:

#define BAR 0x400

unsigned char tmp_val;

outportb(BAR,0xbf);

outportb(BAR+0x04,0x40);

outportb(BAR+0x03,0x03);

outportb(BAR+0x05,0x0f);

tmp_val =(inportb(BAR+0x02)|0x08)&0xeb;

tmp_val |= 0x40;

outportb(BAR+0x02, tmp_val);

delay(30);

tmp_val =inportb(BAR);

Содержание 104-1649CLD2NA Series

Страница 1: ...104 1649CLD2NA SERIES 嵌入式 104 单板电脑 Embedded 104 Single Board Computer Version C03 ...

Страница 2: ...9 版权所有违者必究未经许可不得以机械电子或其它任何方式进行复制安全使用小常识 1 产品使用前务必仔细阅读产品说明书 2 对未准备安装的板卡应将其保存在防静电保护袋中 3 在从防静电保护袋中拿出板卡前应将手先置于接地金属物体上一会儿比如 10 秒钟以释放身体及手中的静电 4 在拿板卡时需佩戴静电保护手套并且应该养成只触及其边缘部分的习惯 5 为避免人体被电击或产品被损坏在每次对主板板卡进行拔插或重新配置时须先关闭交流电源或将交流电源线从电源插座中拔掉 6 在需对板卡或整机进行搬动前务必先将交流电源线从电源插座中拔掉 7 对整机产品需增加减少板卡时务必先拔掉交流电源 8 当您需连接或拔除任何设备前须确定所有的电源线事先已被拔掉 9 为避免频繁开关机对产品造成不必要的损伤关机后应至少等待 30 秒后再开机 ...

Страница 3: ...目录第一章产品介绍 1 简介 1 机械尺寸重量与环境 1 典型功耗 2 微处理器 2 芯片组 2 系统内存 2 显示功能 2 网络功能 2 音频功能 2 电源特性 2 扩展总线 3 Watchdog功能 3 I O接口 3 第二章安装说明 4 产品外形尺寸图 4 接口位置示意图 5 主板架构图 6 跳线设置 7 LCD背光控制接口 8 LED灯 8 串口 9 ...

Страница 4: ...接口 12 多功能接口 12 音频接口 13 GPIO接口 13 JTAG 接口 14 电源接口 14 CF接口 15 IDE接口 16 PC 104 接口 17 PC 104 Plus接口 18 第三章 BIOS功能简介 19 简介 19 BIOS参数设置 19 BIOS基本功能设置 20 x86 平台下BIOS所要管理的系统资源 34 第四章驱动程序安装说明 38 附录 39 Watchdog编程指引 39 数字IO编程指引 41 ...

Страница 5: ...bit TFT LCD 18 bit LVDS 显示支持 VGA LVDS VGA TFT LCD 双显示功能支持最高分辨率 1280x800 1 个标准 IDE 接口可选 1 个板载 CF 卡座或 1 个板载 1G NAND FLASH 支持 4 个串口其中 2 个支持 RS232 模式 2 个支持 RS422 RS485 模式支持 4 个 USB 2 0 接口 PC 104 和 PC 104 Plus 双总线扩展主板配置采用高度集成设计方便用户多方面的嵌入式应用系统通过丰富的接口可广泛应用于医疗仪器仪表智能产品工业控制和国防交通等各种嵌入式领域机械尺寸重量与环境外形尺寸 115 6mm 长 96 9mm 宽 23 2mm 高净重 109 7g 工作环境工作温度 0 60 可扩展工作温度 40 85 湿度 5 90 非凝结状态贮存环境温度 40...

Страница 6: ...AMD R LX800 标配 LX600 500 366MHz BGA481 CPU 芯片组采用AMD R Geode CS5536芯片系统内存板载512MB DDR2内存显示功能采用LX800内集成显示芯片支持VGA TFT LCD 18 bit LVDS接口支持 VGA LVDS双显示功能不支持VGA LCD LVDS同时显示支持最高分辨率1280x800 网络功能提供2 个10 100Mbps网络接口不可支持网络唤醒功能音频功能采用AC 97音效芯片支持MIC IN LINE IN SPK OUT接口提供优质的声音效果电源特性采用AT电源 5V 单电源供电 ...

Страница 7: ...55 级可编程按分或秒支持看门狗超时或复位系统 I O接口提供 4 个串口其中 2 支持个 RS 232 模式 2 个支持 RS 422 RS 485 模式选择 1 个 IDE 接口支持 2 个 IDE 设备支持 1 个 CF 卡接口或板载 1G NAND FLASH 默认为从设备可选提供 2 组 USB2 0 接口可转接出 4 个 USB 接口提供 1 个多功能接口支持 1 组 PS 2 键盘鼠标接口 1 个蜂鸣器及 1 个复位按钮提供 1 个 VGA 接口 1 个 LVDS 接口 1 个 TFT LCD 接口提供 1 个音频接口提供 1 个 8 位数字 I O 接口 ...

Страница 8: ...第二章安装说明 4 104 1649CLD2NA 系列第二章安装说明产品外形尺寸图 96 9 79 4 115 6 90 2 R 3 2 单位 mm ...

Страница 9: ...第二章安装说明 104 1649CLD2NA 系列 5 接口位置示意图 JCC1 JP3 JTAG1 JLCD1 LCDB1 J3 JP1 JP2 IDE1 PWR1 JCF1 J1 J2 AUDIO1 GPIO1 USB2 USB1 LAN2 LAN1 COM2 COM4 COM1 COM3 LVDS1 LCD1 VGA1 J4 D7 D5 D8 正面 ...

Страница 10: ...US AMD Geode CS5536 Companion Device SIO AUDIO CODEC AC97 TFT LCD LPC DDRII MEMORY BUS CRT TFT LVDS LCD IDE 10 100 ETHERNET PORT PRIMARY IDE 10 100 ETHERNET PORT PC 104 USB2 0 USB2 0X4 VGA FPGA CPU PCI BUS 33MHz PCI to ISA BIOS SERIAL 4 KB MS LEGACY CF Card or 1G flash GPIO PC104 ...

Страница 11: ...其设为原始工厂设置系统设置其步骤 1 关闭计算机断开电源 2 瞬间短接JCC1插针 3 开计算机 4 启动时按屏幕提示按键进入BIOS设置重新加载最优缺省值 5 保存并退出设置设置方式如下设置功能 1 2 开路正常工作状态 Default JCC1 1 2 短路清除 CMOS 内容所有 BIOS 设置恢复成出厂值 2 JLCD1 LCD工作电压选择脚距 2 0 mm 不同的 LCD 屏电压可能不同本板提供了 3 3V 和 5V 两种电压选择当所选择的 LCD 电压与所使用的 LCD 屏的工作电压一致时 LCD 屏才能正常显示设置方式如下设置功能 1 2 短路 3 3V Default JLCD1 2 3 短路 5V 3 JP3 CF卡主从选择脚距 2 0 mm 设置功能 1 2 短路 Master JP3 1 2 开路 Slave Def...

Страница 12: ...m COM3 COM4支持RS 422 RS 485可选可通过设置JP1和JP2来实现模式选择具体设置如下模式选择管脚设置 RS 485 Default RS 422 JP1 1 2 3 4 JP1 JP2 JP2 1 2 3 4 注 1 2 表示短路帽的位置 LCD背光控制接口管脚信号名称 1 VCC_LCDBKLT 2 NC 3 LCD_BKLTEN LCDB1 脚距 2 0 mm 4 GND 注 VCC_LCDBKLT 背光电源此脚电流限制在 1A 以下 LCD_BKLTEN 背光使能高有效 LED灯 LED 功能 D5 绿色 IDE 指示灯 D7 红色电源指示灯 D5 D7 D8 D8 红色 FPGA 工作指示灯 ...

Страница 13: ... COM1 COM2 COM3 COM4 管脚 RS 232 RS 422 RS 485 Default 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 COM1 COM4 10 NA NA NA USB接口本主板提供两个2x5Pin 第9pin为空 USB排针接口可通过转接电缆接出四个USB接口其定义如下管脚信号名称管脚信号名称 1 5V 2 5V 3 USB1_Data 4 USB2_Data 5 USB1_Data 6 USB2_Data 7 GND 8 GND USB1 USB2 脚距 2 0 mm 9 NA 10 GND_CHASSIS ...

Страница 14: ...68 时需要在 BIOS 中设置 VGA 的分辨率为 1024 768 设置方法如下启动时按 DEL 键进入 SETUP 菜单进入 Chipset 选项进入 North Bridge Configure 菜单 Video Configuration 菜单 Flat Panel Resolution 菜单将分辨率从默认 640 480 改成 1024 768 2 18bit LVDS接口管脚信号名称管脚信号名称 1 LVDS_D0 2 LVDS_D0 3 GND 4 GND 5 LVDS_D1 6 LVDS_D1 7 GND 8 GND 9 LVDS_D2 10 LVDS_D2 11 GND 12 GND 13 CLK 14 CLK 15 GND 16 GND 17 NC 18 NC LVDS1 脚距 2 0 mm 19 VDD 20 VDD ...

Страница 15: ...E 8 GND 9 B0 10 B1 11 B2 12 B3 13 B4 14 B5 15 B6 16 B7 17 G0 18 G1 19 G2 20 G3 21 G4 22 G5 23 G6 24 G7 25 R0 26 R1 27 R2 28 R3 29 R4 30 R5 31 R6 32 R7 33 GND 34 GND 35 CLK 36 VSYNC 37 DE 38 HSYNC 39 GND 40 ENABKL 41 GND 42 NC LCD1 43 ENAVDD 44 VCON 注 ENAVEE LCD 偏置电压使能 ENABKL LCD 背光使能 ENAVDD LCD 电源使能 VCON 亮度调节 ...

Страница 16: ... ACT_LED 6 TERMINAL1 7 TERMINAL2 8 GND LAN1 LAN2 脚距 2 0 mm 9 TX 10 TX ACTLED 绿色灯网络活动指示状态 LILED 黄色灯网速指示状态闪烁有数据传输亮 100Mbps 灭无数据传输灭 10Mbps 多功能接口 J4 是一个 2 5Pin 设备插针是一个多功能接口用于连接键盘鼠标蜂鸣器和 Reset 需要使用随单板电脑配置的多功能接口线连接各接口下表给出了接口的管脚定义管脚信号名称管脚信号名称 1 SPEAK 2 5V 3 Reset 4 GND 5 Keyboard Data 6 Keyboard Clock 7 GND 8 Mouse Clock J4 脚距 2 0 mm 9 5V 10 Mouse Data ...

Страница 17: ...信号名称管脚信号名称 1 LOUT_R 2 LOUT_L 3 GND_AUDIO 4 GND_AUDIO 5 LIN_R 6 LIN_L 7 GND_AUDIO 8 GND_AUDIO AUDIO1 脚距 2 0 mm 9 MIC_IN 10 MIC_P GPIO接口本主板提供八路可编程GPIO端口输入输出可由编程随意控制默认为1 3 5 7脚是输入 2 4 6 8脚是输出定义如下管脚信号名称管脚信号名称 1 GPIO1 2 GPIO5 3 GPIO2 4 GPIO6 5 GPIO3 6 GPIO7 7 GPIO4 8 GPIO8 GPIO1 脚距 2 0 mm 9 GND 10 NC ...

Страница 18: ...104 1649CLD2NA 系列 JTAG 接口 JTAG1用于烧写板载XILINX FPGA代码预留接口没有上料电源接口管脚信号名称管脚信号名称 1 GND 2 5V 3 NC 4 12V 5 NC 6 12V 7 GND 8 5V PWR1 脚距 2 54 mm 9 GND 10 5V 管脚信号名称 1 VCC 2 GND 3 TCK 4 TDO 5 TDI JTAG1 脚距 2 0 mm 6 TMS ...

Страница 19: ... 1 GND 26 CD1 2 D3 27 D11 3 D4 28 D12 4 D5 29 D13 5 D6 30 D14 6 D7 31 D15 7 CS0 32 CS1 8 GND 33 VS1 9 ATASEL 34 IOR 10 GND 35 IOW 11 GND 36 WE 12 GND 37 IRQ 13 VCC 38 VCC 14 GND 39 CSEL 15 GND 40 VS2 16 GND 41 RESET 17 GND 42 IORDY 18 A2 43 DREQ 19 A1 44 DACK 20 A0 45 DASP 21 D0 46 ATA66_DET 22 D1 47 D8 23 D2 48 D9 24 WP IOCS16 49 D10 25 CD2 50 GND ...

Страница 20: ...末端从设备接在电缆的中间 IDE 电缆有红色标示的为第一脚管脚信号名称管脚信号名称 1 RESET 2 GND 3 D7 4 D8 5 D6 6 D9 7 D5 8 D10 9 D4 10 D11 11 D3 12 D12 13 D2 14 D13 15 D1 16 D14 17 D0 18 D15 19 GND 20 Key 21 DREQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IORDY 28 GND 29 DACK 30 GND 31 IRQ 32 NC 33 DA1 34 ATA66_DET 35 DA0 36 DA2 37 CS1 38 CS3 39 LED 40 GND 41 5V 42 5V IDE1 43 GND 44 GND ...

Страница 21: ...C10 MEMR D10 DRQ0 A11 AEN B11 SMEMW C11 MEMW D11 DACK5 A12 SA19 B12 SMEMR C12 SD8 D12 DRQ5 A13 SA18 B13 IOW C13 SD9 D13 DACK6 A14 SA17 B14 IOR C14 SD10 D14 DRQ6 A15 SA16 B15 DACK3 C15 SD11 D15 DACK7 A16 SA15 B16 DRQ3 C16 SD12 D16 DRQ7 A17 SA14 B17 DACK1 C17 SD13 D17 5V A18 SA13 B18 DRQ1 C18 SD14 D18 MASTER A19 SA12 B19 REFRESH C19 SD15 D19 GND A20 SA11 B20 BCLK C20 KEY D20 GND A21 SA10 B21 IRQ7 A2...

Страница 22: ...DY C12 GND D12 DEVSEL A13 FRAME B13 GND C13 IRDY D13 3 3V A14 GND B14 AD16 C14 3 3V D14 C BE2 A15 AD18 B15 3 3V C15 AD17 D15 GND A16 AD21 B16 AD20 C16 GND D16 AD19 A17 3 3V B17 AD23 C17 AD22 D17 3 3V A18 IDSEL0 B18 GND C18 IDSEL1 D18 IDSEL2 A19 AD24 B19 C BE3 C19 NC D19 IDSEL3 A20 GND B20 AD26 C20 AD25 D20 GND A21 AD29 B21 5V C21 AD28 D21 AD27 A22 5V B22 AD30 C22 GND D22 AD31 A23 REQ0 B23 GND C23 ...

Страница 23: ...源分配等等正确设置 BIOS 各项参数可使系统稳定可靠地工作同时也能提升系统的整体性能不适当的甚至错误的 BIOS 参数设置则会使系统工作性能大为降低使系统工作不稳定甚至无法正常工作 BIOS参数设置每当系统接通电源正常开机后便可看见进入 BIOS 设置程序提示的信息此时其它时间无效按下提示信息所指定的按键通常为 Del 键即可进入 BIOS 设置程序 CMOS 中 BIOS 设置内容被破坏时系统也会要求进入 BIOS 设置或选择某种默认设置值通过BIOS修改的所有设置值都保存在系统的CMOS存储器中该CMOS存储器由电池供电即使切断外部电源其内容也不会丢失除非执行清除CMOS内容的操作注意 BIOS的设置直接影响到电脑的性能设置错误的参数将造成电脑的损坏甚至不能开机请使用BIOS内置缺省值来恢复系统正常运行由于本公司不断研发更...

Страница 24: ...00 47 55 System Date Wed 01 02 2009 Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Main System Time 选择此选项用来设置目前的时间以时分秒的格式来表示各项目合理的范围是 Hour 时 00 23 Minute 分 00 59 Second 秒 00 59 System Date 选择此选项用来设置目前的日期以月日年的格式来表示各项目合理的范围是 Month 月 Jan Dec Date 日 01 31 Year 年最大至 2099 Week 星期 Mon S...

Страница 25: ...figuration USB Configuration Power Management Configuration Configure CPU Select Screen Select Item Enter Go to Sub Screen Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc CPU Configuration BIOS SETUP UTILITY CPU Configuration Manufacturer AMD Brand String AMD Geode LX Frequency 500MHz Cache L1 64 KB Cache L2 128 KB Select Screen Sele...

Страница 26: ...lect Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Primary IDE Master Slave Type Not Installed 系统没有检测到IDE设备 AUTO 系统开机自动检测IDE参数 CD DVD 用于ATAPI CDROM ARMD 用于各种模拟IDE设备 LBA Large Mode 用于设置是否支持LBA模式 Block Multi sector Transfer 用于设置是否支持多扇区同时传输的功能 PIO Mode 用于PIO模式设置 DMA Mode 用于DMA模式设置 S M A R T 此选项用于设置是否启用硬盘S M A R T功能只对支持该功能的硬盘有效 32Bit Data Trans...

Страница 27: ...3 IRQ IRQ3 Serial Port4 Address 2E8 Serial Port4 IRQ IRQ3 Allows BIOS to Enable or Disable Floppy Controller Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Floppy A 软盘驱动器类型配置 OnBoard Floppy Controller 用于使能软驱控制器 Serial Port 1 4 Address 设定主机板上串口1 4的地址 Serial Port 1 4 IRQ 设定主机板上串口1 4的IRQ Parallel ...

Страница 28: ...Decode I O Size 3 128 Bytes Decode I O Space 4 Enabled Decode I O BASE 4 0279h Decode I O Size 4 16 Bytes Decode I O Space 5 Enabled Decode I O BASE 5 0A79h Decode I O Size 5 16 Bytes Enables Hardware Health Monitoring Device Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc DECODE I O Space n DEC...

Страница 29: ...3 4 5 表示译码 I O Space 空间大小其选项为 1 2 4 8 16 32 64 128Byte ISA Memory Decode Configuration BIOS SETUP UTILITY Configuration ITE8888 Memory Address Memory Space 0 Disabled Decode Mem Base 0 D00 Decode Mem Size 0 64 KB Memory Space 1 Disabled Decode Mem Base 0 0 Decode Mem Size 0 32 KB Memory Space 2 Disabled Decode Mem Base 0 0 Decode Mem Size 0 32 KB Memory Space 3 Disabled Decode Mem Base 0 0 Decod...

Страница 30: ...OS SETUP UTILITY Configuration ITE8888 Memory Address DDMA Slave Channel 0 Disabled DDMA Slave Channel 1 Disabled DDMA Slave Channel 2 Disabled DDMA Slave Channel 3 Disabled DDMA Slave Channel 4 Disabled DDMA Slave Channel 5 Disabled DDMA Slave Channel 6 Disabled DDMA Slave Channel 7 Disabled Select Screen Select Item Change Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 ...

Страница 31: ...20 V V3 3 3 312 V V5 0 5 107 V V12 0 11 481V VBAT 3 200 V Enables Hardware Health Monitoring Device Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc System Temperature 当前系统温度一般主板上有热敏电阻监测 CPU Temperature 当前CPU温度 CPU的温度由板上的温度传感器监测 Vcore CPU核心电压 V3 3 V5 0 V12 0 开关电源输出电压 ...

Страница 32: ...Auto Port 4 Assignment Host Controller Enables USB host controllers Select Screen Select Item Change Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc USB 1 1 Controller 此选项设置USB控制器的开关即确定是否支持USB控制器 USB 2 0 Controller 此选项用来选择是否支持USB 2 0 控制器 Legacy USB Support 此选项用于支持传统的USB设备键盘鼠标存储设备等当该项设为Enabled时即使不支持USB的操作系统如DOS下也能使用USB设备 Port 4 Assignment...

Страница 33: ... Settings WARNING Setting wrong values in below sections NorthBridge Configuration Configure DRAM Timing by SPD Enabled Internal Graphics Mode Disabled Internal Graphics Memory 24 Boot Display Type Panel CRT Flat Panel Resolution 800x600 Flat Panel Data Bus Type 9 24 bits 1 Hoizontal Sync Polarity Active low Vertical Sync Polarity Active low SouthBridge Configuration Onboard Audio Controller Enabl...

Страница 34: ...l分辨率选择项 Flat Panel Data Bus Type Flat Panel数据总线类型此处必须与Flat Panel的Spec一致 Onboard Audio Controller 该选项用于控制板载声卡打开和关闭 PCIPnP BIOS SETUP UTILITY Advanced PCI PnP Settings WARNING Setting wrong values in below sections may cause system to malfunction IRQ3 Available IRQ4 Available IRQ5 Available IRQ7 Available IRQ9 Available IRQ10 Available IRQ11 Available IRQ15 Available Select Screen Select Item Chang...

Страница 35: ...e Priority 1 st Boot Device 1 st FLOPPY DRIVE Select Screen Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Quick Boot 配置在BIOS引导期间是否允许跳过某些项的测试减少BIOS引导时间 Quiet Boot 配置是否显示OEM LOGO内容 Wait for F1 If Error 配置在系统出错时是否提示按 F1 键 Boot from Embedded WinCE 此选项用于配置从嵌入式WinCE引导注意此项设为Yes时需要确保第一引导设备中有WinCE系统核心文件 1st 4th Boot De...

Страница 36: ...ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Change User Supervisor Password 当按Change User Supervisor Password后在对话框中输入新的密码后此栏会显示用户密码已安装 Exit South Bridge Configuration Exit Options Save Changes and Exit Discard Changes and Exit Discard Changes Load Optimal Defaults Load Failsafe Defaults Exit system setup after saving the changes Select Screen Select Item Enter Go to Sub Screen...

Страница 37: ... Discard Changes and Exit 当您所做的任何更改设置的动作不想存入CMOS的存储器中可先选定此选项并按下 Enter 键再按 Enter 键即可退出 Discard Changes 当您所做的任何更改设置的动作有误而需要忽略时可先选定此选项并按下 Enter 键然后可以再次进入相应选项进行重新设置 Load Optimal Defaults 此菜单用于在你的系统配置中装入缺省值这些缺省设置是最优的可以发挥所有硬件的高性能 Load Failsafe Defaults 该选项的功能是将各项设置初始化为实现最基本的和最安全的系统功能的值要执行此项功能先选中此选项按下 Enter 即可接着系统会在屏幕上显示出要您确认的信息按下 Enter 键确定执行该项功能 ...

Страница 38: ...MA1 未分配 DMA2 软盘 DMA3 未分配有时用于硬盘 DMA4 用于 DMAC 的级联 DMA5 未分配 DMA6 未分配 DMA7 未分配 APIC 高级可编程中断控制器在现代P4以上级别的主板中大都支持APIC 可以提供多于16个中断源如IRQ16 IRQ23 部分主板如支持PCI X的主板可以有多达28个中断源但要启用该功能必须相应的操作系统支持目前只有windows 2000以上的操作系统支持 IO端口地址系统I O地址空间总共有64K 每一外围设备都会占用一段I O地址空间下表给出了本CPU卡部分设备的I O 地址分配由于PCI设备如PCI网卡的地址是由软件配置的表中没有列出 ...

Страница 39: ...044h 05Fh 底板资源 060h 标准 101 102 键或 Microsoft 自然 PS 2 键盘 061h System speaker 062h 063h 底板资源 064h 标准 101 102 键或 Microsoft 自然 PS 2 键盘 065h 06Fh 底板资源 070h 071h 实时时钟 NMI 072h 07Fh 底板资源 080h 底板资源 081h 083h DMA 控制器 2 084h 086h 底板资源 087h DMA 控制器 3 088h 底板资源 089h 08Bh DMA 控制器 4 08Ch 08Eh 底板资源 08Fh DMA 控制器 5 090h 09Fh 底板资源 0A0h 0A1h 可编程中断控制器 2 0A2h 0BFh 底板资源 ...

Страница 40: ...FO 378h 37Fh 并行端口 1 LPT1 3B0h 3BBh Intel R Q965 Q963 Express Chipset Family 3C0h 3DFh Intel R Q965 Q963 Express Chipset Family 3F0h 3F5h 标准软磁盘控制器 3F6h 主 IDE dual FIFO 3F8h 3FFh 串行端口 1 COM1 400h 41Fh Intel R 82801G ICH8 Family SMBus Controller 27DA 480h 4BFh 底板资源 4D0h 4D1h 底板资源 800h 87Fh 底板资源 B00h B0Fh 底板资源 B10h B1Fh 底板资源 A79h ISAPNP Read Data Port D000h DFFFh Intel R ICH8 Family PCI Express Root P...

Страница 41: ...备才可由 BIOS或操作系统分配中断而多个PCI设备可共享同一中断并由BIOS或操作系统分配下表给出了X86平台部分设备的中断分配情况但没有给出PCI设备所占用的中断资源级别功能 IRQ0 系统计时器 IRQ1 标准 101 102 键或 Microsoft 键盘 IRQ2 可编程的中断控制器 IRQ3 串口 2 IRQ4 串口 1 IRQ5 并行口 2 IRQ6 标准软磁盘控制器 IRQ7 并口 1 IRQ8 系统 CMOS 实时时钟 IRQ9 软件改道到 Int 0Ah IRQ10 保留 IRQ11 保留 IRQ12 鼠标端口 IRQ13 数字协处理器 IRQ14 主 IDE IRQ15 从 IDE ...

Страница 42: ...第四章驱动程序安装说明 38 104 1649CLD2NA 系列第四章驱动程序安装说明本产品的驱动程序可依据配套光盘内容安装在此不做介绍 ...

Страница 43: ...应的IRQ号选项值改成Reserved 以下用C语言形式提供了WDT的编程范例对WDT的编程需遵循以下步骤进入WDT编程模式设置WDT工作方式启动WDT 关闭WDT 1 进入WDT编程模式 define INDEX_PORT 0x4E define DATA_PORT 0x4F unsigned int tmp_reg unsigned int pm_base outportb INDEX_PORT 0x55 outportb INDEX_PORT 0x07 outportb DATA_PORT 0x0A outportb INDEX_PORT 0x30 outportb DATA_PORT 0x01 outportb INDEX_PORT 0x60 tmp_reg inportb DATA_PORT pm_base tmp_reg ...

Страница 44: ... 配置WDT工作方式复位或中断方式选择一种 a 配置WDT成复位工作方式 outportb pm_base 0x47 0x0C b 配置WDT成中断工作方式 unsigned int irq irq IRQ_NO 此处请用需要使用的中断号替换掉常量IRQ_NO 赋值给变量irq 文档前端已经列出可使用中断号的范围 irq irq 4 outportb pm_base 0x47 0x80 outportb pm_base 0x67 irq 3 配置WDT按分或秒计时 a 按分计时 outportb pm_base 0x65 0x00 b 按秒计时 outportb pm_base 0x65 0x80 4 启动停止WDT a 启动WDT ...

Страница 45: ...0 数字IO编程指引本主板提供8路可编程数字I O引脚其中4路为输入 4路为输出以下用C语言形式提供了数字I 0的编程范例对数字I O的编程需遵循以下步骤初始化数字I O 输入输出编程 1 初始化数字I O define BAR 0x400 unsigned char tmp_val outportb BAR 0xbf outportb BAR 0x04 0x40 outportb BAR 0x03 0x03 outportb BAR 0x05 0x0f tmp_val inportb BAR 0x02 0x08 0xeb tmp_val 0x40 outportb BAR 0x02 tmp_val delay 30 tmp_val inportb BAR ...

Страница 46: ...n 0 2 输入输出编程 a 输出编程函数输入 int pin 取值1 4分别对应输出引脚1 4 int lev_val 1为输出高电平 0为输出低电平函数输出无 void Out_Lev int pin int lev_val unsigned int reg_val outportb BAR 0xbf outportb BAR 0x04 0x40 outportb BAR 0x03 0x01 reg_val inportb BAR 0x05 reg_val lev_val reg_val 0x01 pin 3 reg_val 0x01 pin 3 outportb BAR 0x05 reg_val ...

Страница 47: ...reg_val delay 30 reg_val inportb BAR while reg_val 0x02 0x02 reg_val inportb BAR if reg_val 0x04 0 printf ERROR n return 0 b 输入编程函数输入 int pin 取值1 4分别对应输入引脚1 4 函数输出 int lev_val 1 输入引脚为高电平 0 输入引脚为低电平 int In_Lev int pin unsigned int reg_val int lev_val outportb BAR 0xbf outportb BAR 0x04 0x41 ...

Страница 48: ...0x40 outportb BAR 0x02 reg_val delay 30 reg_val inportb BAR while reg_val 0x02 0x02 reg_val inportb BAR if reg_val 0x04 0 printf ERROR n return 0 lev_val inportb BAR 0x05 0x01 pin 1 lev_val lev_val 1 0 此处得到变量lev_val的值为1表示输入引脚为高电平为0表示输入引脚为低电平 return lev_val 欲获更多信息请访问研祥网站 http www evoc com ...

Страница 49: ......

Страница 50: ...y read the users manual before handling the product 2 For the board which is not ready to be installed please put it in the anti static packaging 3 Before taking the board out from anti static packaging please put your hand on grounded metal object for a while about 10 seconds to discharge static 4 Please wear static protective gloves when holding the board and always hold the board by edges 5 Bef...

Страница 51: ...Microprocessor 2 Chipset 2 System Memory 2 Video Function 2 Network Function 2 Audio Function 3 Power Feature 3 Expansion Bus 3 Watchdog Function 3 I O Connectors 3 Chapter 2 Installation 4 Product Outline 4 Locations of Connectors 5 Motherboard Structure 6 Jumper Settings 7 LCD Backlight Control Connector 8 LED 8 Serial Port 9 ...

Страница 52: ...tor 14 CF Card Slot 15 IDE Connector 16 PC 104 Connector 17 PC 104 Plus Connector 18 Chapter 3 BIOS Setup 19 Overview 19 BIOS Parameter Setup 19 Basic Function Settings for BIOS 20 System Resources Managed by BIOS under X86 Platform 34 Chapter 4 Install the Drivers 38 Appendix 39 Watchdog Programming Guide 39 Digital IO Programming Guide 41 ...

Страница 53: ...t VGA LVDS VGA TFT LCD dual display function the max resolution reaches up to 1280x800 One standard IDE connector one on board CF card slot or one on board 1G NAND FLASH optional Four serial ports two of which support RS232 mode while the other two support RS422 RS485 mode Four USB 2 0 ports PC 104 and PC 104 Plus dual bus expansion This motherboard is designed with high integration and it is conv...

Страница 54: ...0 98A 5 3 Microprocessor AMD R LX800 Standard Configuration LX600 500 366MHz BGA481 CPU Chipset AMD R Geode CS5536 System Memory On board 512MB DDR2 memory Video Function Video chip is integrated in LX800 support VGA TFT LCD and 18 bit LVDS Support VGA LVDS dual display function do not support VGA LCD LVDS synchronous display The resolution reaches up to 1280x800 Network Function Two 10 100Mbps ne...

Страница 55: ...Support watchdog overtime or reset system I O Connectors Four serial ports two of which support RS 232 mode while the other two support RS 422 RS 485 mode selection One IDE connector it supports two IDE devices one CF card slot or on board 1G NAND FLASH Slave as default optional Two sets of USB2 0 connectors which can transfer four USB ports One multi functional connector it supports a set of PS2 ...

Страница 56: ...Chapter 2 Installation 4 104 1649CLD2NA Series Chapter 2 Installation Product Outline 96 9 79 4 115 6 90 2 R 3 2 unit mm ...

Страница 57: ...Installation 104 1649CLD2NA Series 5 Locations of Connectors JCC1 JP3 JTAG1 JLCD1 LCDB1 J3 JP1 JP2 IDE1 PWR1 JCF1 J1 J2 AUDIO1 GPIO1 USB2 USB1 LAN2 LAN1 COM2 COM4 COM1 COM3 LVDS1 LCD1 VGA1 J4 D7 D5 D8 Front View ...

Страница 58: ...eode LX Processor SMBUS AMD Geode CS5536 Companion Device SIO AUDIO CODEC AC97 TFT LCD LPC DDRII MEMORY BUS CRT TFT LVDS LCD IDE 10 100 ETHERNET PORT PRIMARY IDE 10 100 ETHERNET PORT PC 104 USB2 0 USB2 0X4 VGA FPGA CPU PCI BUS 33MHz PCI to ISA BIOS SERIAL 4 KB MS LEGACY CF Card or 1G flash GPIO PC104 ...

Страница 59: ...d unplug the power cable 2 Instantly short circuit JCC1 3 Turn on the computer 4 Follow the prompt on screen to enter BIOS setup when starting the computer load optimized defaults 5 Save and exit Please set it as follows Setup Function 1 2 Open Normal Default JCC1 1 2 Short Clear the contents of CMOS all BIOS setting will restore to factory default values 2 JLCD1 Select Operating Voltage for LCD P...

Страница 60: ...rry out the selection Please set it as follows Mode Selection Pin Setup RS 485 Default RS 422 JP1 1 2 3 4 JP1 JP2 JP2 1 2 3 4 Note 1 2 indicates the status of the jumper cap LCD Backlight Control Connector Pin Signal Name 1 VCC_LCDBKLT 2 NC 3 LCD_BKLTEN LCDB1 Pin Distance 2 0 mm 4 GND Note VCC_LCDBKLT backlight power the current is limited below 1A LCD_BKLTEN backlight enabling active high LED LED...

Страница 61: ...ons are listed as follows Signal Name COM1 COM2 COM3 COM4 Pin RS 232 RS 422 RS 485 Default 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 COM1 COM4 10 NA NA NA USB Port This motherboard provides two 2x5 Pin Pin 9 is NC USB connectors Four USB ports can be educed via transfer cable The pin definitions are listed as follows Pin Si...

Страница 62: ...e set the same value in BIOS Setup Please set it as follows Press DEL to enter SETUP menu Enter Chipset option Enter North Bridge Configure Menu Video Configuration Menu Flat Panel Resolution Menu change the resolution from 640 480 Default to 1024 768 2 18bit LVDS Connector Pin Signal Name Pin Signal Name 1 LVDS_D0 2 LVDS_D0 3 GND 4 GND 5 LVDS_D1 6 LVDS_D1 7 GND 8 GND 9 LVDS_D2 10 LVDS_D2 11 GND 1...

Страница 63: ...9 B0 10 B1 11 B2 12 B3 13 B4 14 B5 15 B6 16 B7 17 G0 18 G1 19 G2 20 G3 21 G4 22 G5 23 G6 24 G7 25 R0 26 R1 27 R2 28 R3 29 R4 30 R5 31 R6 32 R7 33 GND 34 GND 35 CLK 36 VSYNC 37 DE 38 HSYNC 39 GND 40 ENABKL 41 GND 42 NC LCD1 43 ENAVDD 44 VCON Note ENAVEE LCD Bias Voltage Enabling ENABKL LCD Backlight Enabling ENAVDD LCD Power Enabling VCON Luminance Adjustment ...

Страница 64: ...X 10 TX ACTLED Green LAN Activity Status Indicator LILED Yellow LAN Speed Indicator Blink Data transmitting ON 100Mbps OFF No Data to Transmit OFF 10Mbps Multi functional Connector J4 is a 2 5 Pin header this is a multi functional connector and it is used to connect keyboard mouse buzzer and Reset button The multi functional cable attached to the single board computer is required The pin definitio...

Страница 65: ... 3 GND_AUDIO 4 GND_AUDIO 5 LIN_R 6 LIN_L 7 GND_AUDIO 8 GND_AUDIO AUDIO1 Pin Distance 2 0 mm 9 MIC_IN 10 MIC_P GPIO Connector This motherboard provides one 8 channel programmable GPIO port the input and output can be controlled discretionarily by programming The default status is that pin 1 3 5 and 7 are for output and pin 2 4 6 and 8 are for output The pin definitions are listed as follows Pin Sig...

Страница 66: ...TAG1 is used to record on board XILINX FPGA code Reserved Pin Signal Name 1 VCC 2 GND 3 TCK 4 TDO 5 TDI JTAG1 Pin Distance 2 0 mm 6 TMS Power Connector Pin Signal Name Pin Signal Name 1 GND 2 5V 3 NC 4 12V 5 NC 6 12V 7 GND 8 5V PWR1 Pin Distance 2 54 mm 9 GND 10 5V ...

Страница 67: ... rear of the board marked as CF1 and it could only be inserted in one direction Pin Signal Name Pin Signal Name 1 GND 26 CD1 2 D3 27 D11 3 D4 28 D12 4 D5 29 D13 5 D6 30 D14 6 D7 31 D15 7 CS0 32 CS1 8 GND 33 VS1 9 ATASEL 34 IOR 10 GND 35 IOW 11 GND 36 WE 12 GND 37 IRQ 13 VCC 38 VCC 14 GND 39 CSEL 15 GND 40 VS2 16 GND 41 RESET 17 GND 42 IORDY 18 A2 43 DREQ 19 A1 44 DACK 20 A0 45 DASP 21 D0 46 ATA66_...

Страница 68: ...cting method is connect the master device to the end of the cable while connect the slave device to the middle of the cable The first pin of the IDE cable is red Pin Signal Name Pin Signal Name 1 RESET 2 GND 3 D7 4 D8 5 D6 6 D9 7 D5 8 D10 9 D4 10 D11 11 D3 12 D12 13 D2 14 D13 15 D1 16 D14 17 D0 18 D15 19 GND 20 Key 21 DREQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IORDY 28 GND 29 DACK 30 GND 31 IRQ 32...

Страница 69: ...D9 DACK0 A10 IOCHRDY B10 KEY C10 MEMR D10 DRQ0 A11 AEN B11 SMEMW C11 MEMW D11 DACK5 A12 SA19 B12 SMEMR C12 SD8 D12 DRQ5 A13 SA18 B13 IOW C13 SD9 D13 DACK6 A14 SA17 B14 IOR C14 SD10 D14 DRQ6 A15 SA16 B15 DACK3 C15 SD11 D15 DACK7 A16 SA15 B16 DRQ3 C16 SD12 D16 DRQ7 A17 SA14 B17 DACK1 C17 SD13 D17 5V A18 SA13 B18 DRQ1 C18 SD14 D18 MASTER A19 SA12 B19 REFRESH C19 SD15 D19 GND A20 SA11 B20 BCLK C20 KEY...

Страница 70: ...TOP B11 3 3V C11 PLOCK D11 GND A12 3 3V B12 TRDY C12 GND D12 DEVSEL A13 FRAME B13 GND C13 IRDY D13 3 3V A14 GND B14 AD16 C14 3 3V D14 C BE2 A15 AD18 B15 3 3V C15 AD17 D15 GND A16 AD21 B16 AD20 C16 GND D16 AD19 A17 3 3V B17 AD23 C17 AD22 D17 3 3V A18 IDSEL0 B18 GND C18 IDSEL1 D18 IDSEL2 A19 AD24 B19 C BE3 C19 NC D19 IDSEL3 A20 GND B20 AD26 C20 AD25 D20 GND A21 AD29 B21 5V C21 AD28 D21 AD27 A22 5V B...

Страница 71: ...ate even incorrect BIOS parameter setting will decrease the system operating capability and make the system operating unstably even unable to operate normally BIOS Parameter Setup Prompt message for BIOS setting may appear once powering on the system At that time inefficient at other time press the key specified in the prompt message usually Del to enter BIOS setting When the BIOS setting in CMOS ...

Страница 72: ... Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Main System Time Select this option and set the current time by which is displayed in format of hour minute second Reasonable range for each option is Hour 00 23 Minute 00 59 Second 00 59 System Date Select this option and set current data by which is displayed...

Страница 73: ...h Configuration USB Configuration Power Management Configuration Configure CPU Select Screen Select Item Enter Go to Sub Screen Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc CPU Configuration BIOS SETUP UTILITY CPU Configuration Manufacturer AMD Brand String AMD Geode LX Frequency 500MHz Cache L1 64 KB Cache L2 128 KB Select Screen...

Страница 74: ...y system AUTO automatic detection of IDE parameters when power on CD DVD used for ATAPI CDROM ARMD used for various analog IDE devices LBA Large Mode Used to set whether to support LBA mode or not Block Multi sector Transfer Used to set whether to support multi sector simultaneous transfer or not PIO Mode Used for PIO mode setting DMA Mode Used for DMA mode setting S M A R T Used to set whether to...

Страница 75: ...een Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Floppy A Configuration of the floppy disk driver type On Board Floppy Controller Enable floppy disk controller Serial Port 1 4 Address Set the addresses of COM1 COM4 on motherboard Serial Port 1 4 IRQ Set the IRQs of COM1 COM4 on motherboard Parallel Port Ad...

Страница 76: ...79h Decode I O Size 4 16 Bytes Decode I O Space 5 Enabled Decode I O BASE 5 0A79h Decode I O Size 5 16 Bytes Enables Hardware Health Monitoring Device Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc DECODE I O Space n DECODE I O Space n n 0 1 2 3 4 5 the options are Disable and Enable Default wh...

Страница 77: ...se and to adjust the value DECODE I O Size n DECODE I O Size n n 0 1 2 3 4 5 indicates the size of this decoding I O Space the options are 1 2 4 8 16 32 64 and 128Bytes ISA Memory Decode Configuration BIOS SETUP UTILITY Configuration ITE8888 Memory Address Memory Space 0 Disabled Decode Mem Base 0 D00 Decode Mem Size 0 64 KB Memory Space 1 Disabled Decode Mem Base 0 0 Decode Mem Size 0 32 KB Memor...

Страница 78: ...he size of this memory space ISA DDMA Channels Configuration BIOS SETUP UTILITY Configuration ITE8888 Memory Address DDMA Slave Channel 0 Disabled DDMA Slave Channel 1 Disabled DDMA Slave Channel 2 Disabled DDMA Slave Channel 3 Disabled DDMA Slave Channel 4 Disabled DDMA Slave Channel 5 Disabled DDMA Slave Channel 6 Disabled DDMA Slave Channel 7 Disabled Select Screen Select Item Change Field F1 G...

Страница 79: ... Hardware Health Monitoring Device Select Screen Select Item Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc System Temperature Current system temperature is generally monitored by thermal resistor on motherboard CPU Temperature Current CPU temperature is monitored by temperature sensors on motherboard Vcore Core voltage...

Страница 80: ...ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc USB 1 1 Controller This option is used to set the switch of USB controller to confirm whether to support USB controller USB 2 0 Controller This option is used to select whether to support USB 2 0 controller Legacy USB Support This option is used to support legacy USB devices keyboard mouse and storage device etc when this option is set ...

Страница 81: ...NorthBridge Configuration Configure DRAM Timing by SPD Enabled Internal Graphics Mode Disabled Internal Graphics Memory 24 Boot Display Type Panel CRT Flat Panel Resolution 800x600 Flat Panel Data Bus Type 9 24 bits 1 Hoizontal Sync Polarity Active low Vertical Sync Polarity Active low SouthBridge Configuration Onboard Audio Controller Enabled Select Screen Select Item Enter Go to Sub Screen F1 Ge...

Страница 82: ...he default video output device when booting Flat Panel Resolution Option for Flat Panel resolution Flat Panel Data Bus Type Flat Panel data bus type which shall be in accord with the Spec of Flat Panel Onboard Audio Controller Select whether to start the audio controller PCIPnP BIOS SETUP UTILITY Advanced PCI PnP Settings WARNING Setting wrong values in below sections may cause system to malfuncti...

Страница 83: ... Screen F1 General Help F10 Save and Exit ESC Exit V02 57 c Copyright 1985 2004 American Megatrends Inc Quick Boot Configure whether to permit skipping certain test during BIOS boot to reduce BIOS boot time Quiet Boot Configure whether to display the OEM LOGO Wait for F1 If Error Configure whether to prompt to press F1 during system error Boot from Embedded WinCE Configure to boot from embedded Wi...

Страница 84: ...rvisor Password and input new password in the dialog box this column will show that user s password has been installed Exit South Bridge Configuration Exit Options Save Changes and Exit Discard Changes and Exit Discard Changes Load Optimal Defaults Load Failsafe Defaults Exit system setup after saving the changes Select Screen Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ES...

Страница 85: ...ded please select this option and press Enter to come into corresponding options again and re set it Load Optimal Defaults This menu is used to input the default value in system configuration These default values are optimized and could give play to the high capability of all hardware Load Failsafe Defaults This option is used to initialize the value of each option which can realize the most funda...

Страница 86: ...oller Most of motherboards above P4 level support APIC and provide more than 16 interrupt sources such as IRQ16 IRQ23 while some others support up to 28 interrupt sources such as which supports PCI X However the related OS is required in order to enable that function and only the OS above Windows 2000 could support that function currently IO Port Address There is 64K for the system I O address spa...

Страница 87: ...natural PS 2 Keyboard 061h System speaker 062h 063h Carrier Resource 064h Standard 101 102 keys or Microsoft natural PS 2 Keyboard 065h 06Fh Carrier Resource 070h 071h Real Time Clock NMI 072h 07Fh Carrier Resource 080h Carrier Resource 081h 083h DMA Controller 2 084h 086h Carrier Resource 087h DMA Controller 3 088h Carrier Resource 089h 08Bh DMA Controller 4 08Ch 08Eh Carrier Resource 08Fh DMA Co...

Страница 88: ...h 37Fh Parallel Port 1 LPT1 3B0h 3BBh Intel R Q965 Q963 Express Chipset Family 3C0h 3DFh Intel R Q965 Q963 Express Chipset Family 3F0h 3F5h Standard Floppy Disk Controller 3F6h Primary IDE dual FIFO 3F8h 3FFh Serial Port 1 COM1 400h 41Fh Intel R 82801G ICH8 Family SMBus Controller 27DA 480h 4BFh Carrier Resource 4D0h 4D1h Carrier Resource 800h 87Fh Carrier Resource B00h B0Fh Carrier Resource B10h ...

Страница 89: ... one interrupt through the assignment of BIOS or OS The diagram below shows parts of the interrupt assignment but it does not show the interrupts of the PCI devices Level Function IRQ0 System Timer IRQ1 Standard 101 102 Keys or Microsoft Keyboard IRQ2 Programmable Interrupt Controller IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Parallel Port 2 IRQ6 Standard Floppy Disk Controller IRQ7 Parallel Port...

Страница 90: ...Chapter 4 Install the Drivers 38 104 1649CLD2NA Series Chapter 4 Install the Drivers Please install the drivers of this product according to the equipped CD the steps will not be introduced here ...

Страница 91: ... modify the corresponding IRQ number in PCIPnP of BIOS Setup interface into Reserved The following describes WDT program in C language The steps to program WDT are listed as follows Enter WDT programming mode Set WDT operating mode enable WDT disable WDT 1 Enter WDT programming mode define INDEX_PORT 0x4E define DATA_PORT 0x4F unsigned int tmp_reg unsigned int pm_base outportb INDEX_PORT 0x55 outp...

Страница 92: ...0x47 0x0C b Configure WDT to interrupt mode unsigned int irq irq IRQ_NO Please replace the constant IRQ_NO with the needed IRQ number set value to variable irq the available range of IRQ numbers are listed at the beginning of this document irq irq 4 outportb pm_base 0x47 0x80 outportb pm_base 0x67 irq 3 Configure WDT by minute or second a Time by minute outportb pm_base 0x65 0x00 b Time by second ...

Страница 93: ...or input while the other 4 for output The following shows the example of digital I O programming in C language please follow the steps listed below to program the digital I O Initialize digital I O Input output program 1 Initialize digital I O define BAR 0x400 unsigned char tmp_val outportb BAR 0xbf outportb BAR 0x04 0x40 outportb BAR 0x03 0x03 outportb BAR 0x05 0x0f tmp_val inportb BAR 0x02 0x08 ...

Страница 94: ...s 1 4 are corresponding with the output pins 1 4 respectively int lev_val 1 the output pin is high 0 the output pin is low Function Output None void Out_Lev int pin int lev_val unsigned int reg_val outportb BAR 0xbf outportb BAR 0x04 0x40 outportb BAR 0x03 0x01 reg_val inportb BAR 0x05 reg_val lev_val reg_val 0x01 pin 3 reg_val 0x01 pin 3 outportb BAR 0x05 reg_val ...

Страница 95: ... while reg_val 0x02 0x02 reg_val inportb BAR if reg_val 0x04 0 printf ERROR n return 0 b Input Program Function Input int pin values 1 4 are corresponding with the output pins 1 4 respectively Function Output int lev_val 1 the input pin is high 0 the input pin is low int In_Lev int pin unsigned int reg_val int lev_val outportb BAR 0xbf ...

Страница 96: ...ay 30 reg_val inportb BAR while reg_val 0x02 0x02 reg_val inportb BAR if reg_val 0x04 0 printf ERROR n return 0 lev_val inportb BAR 0x05 0x01 pin 1 lev_val lev_val 1 0 Get the value of the variable lev_val here 1 means that the input pin is high while 0 means the input pin is low return lev_val Please visit our website http www evoc com for more information ...

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