目录
特点......................................................................................................................... 1
概述................................................ .................................................. 2
PIN CONFIGURATION........................................................................................................五
引脚功能说明.............................................. .................................... 6
多功能引脚说明.............................................. ........................ 10
参考文件................................................ .............................................. 10
功能DESCRIPTION............................................................................................12
SUPER I / O寄存器............................................. .................................................. 0.12
主处理器接口............................................... .................................. 12
软盘控制器............................................... ........................................... 13
FDC内部寄存器............................................... ......................................... 13
COMMAND SET/DESCRIPTIONS......................................................................................36
指令集...........................................................................................................40
串行端口(UART).......................................................................................................66
红外接口....................................................................................................80
并行端口..............................................................................................................81
IBM XT / AT兼容，双向和EPP模式.................................. 83
扩展功能并行端口.............................................. ................. 90
并行端口软盘控制器............................................. ............. 104
电源MANAGEMENT..................................................................................................106
V
TR
支持..............................................................................................................106
串行IRQ .....................................................................................................................112
GP变址寄存器...................................................................................................117
看门狗定时器.......................................................................................................119
8042键盘控制器说明.............................................. ............ 120
系统管理中断（ SMI ） ............................................ ...................... 129
PME SUPPORT............................................................................................................129
CONFIGURATION............................................................................................................131
运算DESCRIPTION.......................................................................................160
最大限度地保证额定值* .............................................. ........................... 160
3
SMSC [ SMSC CORPORATION ]
