目录
特点....................................................................................................................................... 1
一般DESCRIPTION................................................................................................................. 4
引脚功能说明.............................................. .................................................. 6
多功能引脚说明.............................................. ...................................... 10
参考文件........................................................................................................... 10
功能说明......................................................................................................... 12
SUPER I / O寄存器................................................................................................................. 12
主处理器INTERFACE................................................................................................... 12
软盘控制器........................................................................................................ 13
FDC内部REGISTERS.......................................................................................................... 13
命令集/说明.............................................. .................................................. ... 36
指令集........................................................................................................................ 39
红外INTERFACE.................................................................................................................. 80
并行PORT............................................................................................................................ 81
IBM XT / AT兼容，双向和EPP模式...................................... .............. 83
扩展功能并行端口.............................................. .................................. 89
并行端口软盘控制器............................................. .............................. 102
电源MANAGEMENT................................................................................................................104
V
TR
支持................................................................................................................................104
串行IRQ ...................................................................................................................................110
GP变址寄存器.................................................................................................................115
看门狗定时器.....................................................................................................................117
8042键盘控制器说明.............................................. ............................ 118
系统管理中断（ SMI ） ............................................ ..................................... 127
PME SUPPORT..............................................................................................................................127
CONFIGURATION..........................................................................................................................128
运算DESCRIPTION......................................................................................................158
最大限度地保证额定值............................................... .............................................. 158
DC电气特性............................................... ........................................... 158
时序图.......................................................................................................................163
ECP并行端口TIMING......................................................................................................184
3
SMSC [ SMSC CORPORATION ]
