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增强的超级I / O控制器， LPC接口
数据表
ADDRESS.........................................................................................................................................................................................79
16
17
17.1
17.2
17.3
状态端口........................................................................................................... 80
Bits[5:0]................................................................................................................ 81
MPU- 401指挥控制...................................................................................................................82
MIDI UART ....................................................................................................................................................83
MPU- 401配置寄存器..............................................................................................................83
18
18.1
18.2
并行端口................................................ ................................................ 84
IBM XT / AT兼容，双向和EPP模式...................................... ..................................... 85
扩展功能并行Port............................................................................................................90
19
20
21
21.1
21.2
电源管理................................................ .................................... 102
时序图SER_IRQ周期............................................. ................. 105
8042键盘控制器说明........................................... 108
闩锁键盘和鼠标IRQs...................................................................................................114
键盘和鼠标PME代....................................................................................................116
22
22.1
通用I / O ............................................. ..................................... 117
GPIO引脚...................................................................................................................................................117
22.1.1
GPIO操作..............................................................................................................................................................121
PME ................................................................................................................................................................................................123
22.2
22.3
是边沿触发Interrupts..............................................................................................................123
主导功能.......................................................................................................................................123
23
24
24.1
系统管理中断（ SMI ） ............................................ 125 .......
PME支持................................................ .................................................. 126
“唤醒特定的钥匙” Option.................................................................................................................127
25
25.1
风扇转速控制和监测............................................. 129 .......
风扇速度控制.....................................................................................................................................129
FANx Registers...............................................................................................................................................................129
风扇控制Register.......................................................................................................................................................130
25.1.1
25.1.2
25.2
风扇转速计输入.............................................................................................................................130
PRELOAD.......................................................................................................................................................................................132
26
26.1
26.2
安全功能................................................ ........................................ 133
GPIO设备禁用寄存器Control.....................................................................................................133
设备停用注册............................................................................................................................133
27
27.1
27.2
游戏端口逻辑............................................... ........................................... 134
电源控制寄存器.............................................................................................................................135
VREF Pin.....................................................................................................................................................135
28
29
30
30.1
RUNTIME寄存器................................................ ...................................... 136
配置................................................. ............................................. 160
操作说明................................................ ......................... 178
最大限度地保证Ratings*................................................................................................................178
DC电气特性
...................................................................................................................178
31
32
33
33.1
时序图................................................ ........................................... 181
包装外形................................................ .......................................... 205
附录 - TEST MODE .............................................. .................................... 206
电路板测试Mode........................................................................................................................................206
第4页
修订版2005年2月2日
SMSC DS - LPC47M112
数据表
