目录
特点............................................................................................................................................ 1
一般DESCRIPTION..................................................................................................................... 3
引脚配置........................................................................................................................... 4
说明引脚功能的..................................................................................................... 6
功能说明............................................................................................................. 17
超级I / O REGISTERS.................................................................................................................. 17
主处理器INTERFACE.................................................................................................. 17
FLOPPY DISK CONTROLLER........................................................................................................ 18
软盘控制器内部寄存器............................................. ................... 18
COMMAND SET/DESCRIPTIONS....................................................................................................... 41
指令SET.............................................................................................................................. 45
并行端口软盘控制器............................................. ................................... 71
串口（ UART ） ......................................................................................................................... 73
红外INTERFACE........................................................................................................................ 87
并行端口................................................................................................................................ 88
IBM XT / AT兼容，双向和EPP模式...................................... ............. 90
扩展功能并行端口.............................................. ................................ 96
自动电源管理.......................................................................................................... 109
电子集成驱动器接口.............................................. ........................... 114
配置.............................................................................................................................. 118
操作说明......................................................................................................... 137
最大限度地保证额定值............................................... ............................................ 137
直流电气CHARACTERISTICS....................................................................................... 137
时序DIAGRAMS............................................................................................................................ 140
ECP并行端口TIMING..................................................................................................... 157
2
SMSC [ SMSC CORPORATION ]
