目录

特点....................................................................................................................................... 1

概述................................................................................................................ 2

引脚配置......................................................................................................................五

描述销FUNCTIONS................................................................................................. 6

缓存类型Descriptions............................................................................................................... 10

需要外部上拉电阻引脚............................................ ...................................... 11

3.3伏操作/ 5 VOLT公差........................................... ................................... 12

功耗功能.............................................................................................................. 12

VCC电源.................................................................................................................................. 12

VTR支持................................................................................................................................ 12

内部PWRGOOD ..................................................................................................................... 12

32.768 kHz的时钟滴流Input...................................................................................................... 12

32kHz的时钟指示............................................................................................................. 13

涓流电源功能........................................................................................................... 13

最大电流Values.............................................................................................................. 15

电源管理事件（ PME / SCI ） .......................................... ............................................... 15

功能说明......................................................................................................... 16

超级I / O寄存器...................................................................................................................... 16

主处理器接口(LPC)..................................................................................................... 16

软盘控制器........................................................................................................ 21

FDC内部寄存器................................................................................................................. 21

命令集/说明.......................................................................................................... 39

指令集.............................................................................................................................. 43

串行端口(UART).................................................................................................................... 71

红外接口................................................................................................................. 87

并行PORT........................................................................................................................... 89

电源MANAGEMENT................................................................................................................114

SERIAL IRQ...................................................................................................................................118

ISA IRQ串行IRQ转换能力........................................... .................................... 122

8042键盘控制器说明.............................................. ........................... 123

键盘接口......................................................................................................................123

外接键盘和鼠标接口............................................. .......................................... 125

键盘开机Management.....................................................................................................125

Interrupts.....................................................................................................................................126

内存Configurations................................................................................................................126

寄存器定义.....................................................................................................................126

外部时钟Signal...................................................................................................................127

默认重置条件.............................................................................................................127

闩锁，键盘和鼠标的IRQ ............................................ ........................................... 130

键盘和鼠标PME代............................................. ........................................... 132

通用I/O...............................................................................................................133

GPIO Pins...................................................................................................................................133

Description..................................................................................................................................134

GPIO控制..............................................................................................................................136

GPIO操作..........................................................................................................................137

GPIO PME和SMI功能............................................. .................................................. 0.138

是边沿触发中断..................................................................................................140

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