增强的超级I / O控制器，提供快速IR
数据表
17.1.5
CPU到主机的通信........................................................................................................113
17.1.6
主机到CPU通讯........................................................................................................113
17.1.7
KIRQ..............................................................................................................................................114
17.1.8
MIRQ .............................................................................................................................................114
17.1.9
A20门.......................................................................................................................................114
17.2
外接键盘和鼠标Interface...............................................................................................114
17.3
键盘的电源管理.............................................................................................................114
17.3.1
软关机Mode.................................................................................................................114
17.3.2
硬盘掉电模式...............................................................................................................115
17.4
中断..............................................................................................................................................115
17.5
内存Configurations.........................................................................................................................115
17.5.1
寄存器定义.......................................................................................................................115
17.5.2
状态寄存器..............................................................................................................................115
17.6
外部时钟Signal............................................................................................................................116
17.7
默认重置条件......................................................................................................................116
17.8
GATEA20和键盘复位............................................................................................................116
17.9
92端口快速GATEA20和键盘复位........................................... ............................................ 117
17.9.1
端口92 Register.............................................................................................................................117
17.9.2
8042 P12和P16的功能........................................................................................................118
第18章
系统管理中断（ SMI ） ............................................ ..................................... 120
18.1
注册..............................................................................................................................................120
18.1.1
SMI启用Registers....................................................................................................................120
18.1.2
SMI状态Registers.....................................................................................................................120
第19章
组态...................................................................................................................... 121
19.1
系统Elements..................................................................................................................................121
19.1.1
主要配置地址译码器.............................................. ......................................... 121
19.1.2
进入配置State....................................................................................................121
19.1.3
退出配置状态......................................................................................................122
19.2
配置顺序.......................................................................................................................122
19.2.1
进入配置Mode..............................................................................................................122
19.2.2
配置模式.......................................................................................................................122
19.2.3
退出配置模式................................................................................................................122
19.2.4
编程实例..................................................................................................................123
19.2.5
芯片级（全球）控制/配置寄存器[ 0x00-0x2F ] .................................... ............. 125
19.2.6
逻辑设备配置/控制寄存器[ 0x30-0xFF ] ....................................... ................. 128
19.2.7
注意事项A.逻辑设备的IRQ和DMA操作......................................... ................................. 132
19.2.8
SMSC定义的逻辑器件配置寄存器............................................ .................... 132
第20章
20.1
20.2
操作Description...................................................................................................... 143
最大限度地保证Ratings*............................................................................................................143
直流电气特性................................................................................................................143
第21章
第22章
第23章
时序图................................................................................................................146
ECP并行端口Timing.................................................................................................... 164
包装纲要...............................................................................................................172
图列表
图2.1 - FDC37C672 100引脚QFP ........................................................................................................................10
图2.2 - FDC37C672 100引脚TQFP ......................................................................................................................11
图4.1 - FDC37C672座Diagram......................................................................................................................16
图11.1 - 红外接口框图.....................................................................................................................79
图17.1 - 键盘和鼠标Interface.............................................................................................................112
图17.2 - A20门开启顺序Timing....................................................................................................119
图21.1 - IOW时间为92端口.........................................................................................................................147
图21.2 - 上电时序..................................................................................................................................147
图21.3 - ISA Write...............................................................................................................................................148
图21.4 - ISA阅读..............................................................................................................................................149
图21.5 - 内部8042 CPU Timing.....................................................................................................................150
图21.6 - 输入时钟时序................................................................................................................................151
SMSC FDC37C672
第6页
牧师03年10月29日
数据表
SMSC [ SMSC CORPORATION ]
