7.4.6
FDC交换位.........................................................................................................................................64
7.5
7.6
7.7
串行端口(UART)................................................................................................................... 64
红外INTERFACE................................................................................................................ 77
MPU- 401 MIDI UART ..................................................................................................................... 78
7.7.1
Overview.................................................................................................................................................78
7.7.2
主机接口.........................................................................................................................................79
7.7.3
MIDI数据端口........................................................................................................................................79
7.7.4
状态Port..............................................................................................................................................79
7.7.4.1
第7位 - MIDI接收缓冲器空............................................................................................................... 79
7.7.4.2
第6位 - MIDI传输忙........................................................................................................................... 80
7.7.5
MPU- 401指挥控制..............................................................................................................81
7.7.6
MIDI UART .............................................................................................................................................82
7.7.7
MPU- 401配置寄存器..........................................................................................................82
7.7.7.1
激活和I / O基address......................................................................................................................... 83
7.8
并行端口.......................................................................................................................... 83
IBM XT / AT兼容，双向和EPP模式...................................... ................................... 84
扩展功能并行Port.........................................................................................................88
7.8.1
7.8.2
7.9电源管理............................................................................................................... 98
7.10
串行IRQ .............................................................................................................................. 102
7.11
8042 K
EYBOARD
C
ONTROLLER
D
ESCRIPTION
.............................................................................. 105
7.11.1
7.11.2
7.11.3
7.11.4
7.11.5
7.11.6
7.11.6.1
7.11.6.2
7.11.7
7.11.8
7.11.9
键盘Interface............................................................................................................................106
外接键盘和鼠标接口............................................. .............................................. 107
键盘开机Management..........................................................................................................107
Interrupts...........................................................................................................................................108
内存配置.....................................................................................................................108
寄存器定义...........................................................................................................................108
主机I / F数据Register................................................................................................................................... 108
主机I / F状态Register................................................................................................................................. 108
外部时钟信号........................................................................................................................108
默认重置条件..................................................................................................................109
键盘和鼠标PME Generation.............................................................................................112
GPIO引脚.........................................................................................................................................113
描述........................................................................................................................................114
GPIO Control.....................................................................................................................................115
GPIO操作................................................................................................................................116
GPIO PME和SMI功能.....................................................................................................117
是边沿触发中断.......................................................................................................118
LED功能..............................................................................................................................118
7.12
7.12.1
7.12.2
7.12.3
7.12.4
7.12.5
7.12.6
7.12.7
通用I/O......................................................................................................... 113
7.13
7.13.1
系统管理中断（ SMI ） ............................................ ............................. 118
SMI Registers....................................................................................................................................119
7.14
7.14.1
PME支持........................................................................................................................119
“唤醒对特定键”选项..........................................................................................................120
7.15
7.15.1
7.15.2
风扇转速控制和监测............................................. ............................. 121
风扇速度控制............................................................................................................................121
风扇转速Monitoring.......................................................................................................................122
7.16
7.16.1
7.16.2
安全特性.............................................................................................................. 125
GPIO设备禁用寄存器控制............................................. ................................................ 125
设备停用注册....................................................................................................................125
7.17
7.17.1
7.17.2
游戏端口逻辑................................................................................................................ 125
电源控制寄存器.....................................................................................................................128
VREF引脚..........................................................................................................................................128
7.18
H
ARDWARE
M
ONITORING
I
覆盖整个院落
........................................................................................... 129
7.18.1
硬件监控接口信号定义............................................. .................................. 129
7.18.2
SMBus的Interface................................................................................................................................129
7.18.2.1
SMBus从Interface.................................................................................................................................. 130
7.18.3
硬件监控模块...............................................................................................................132
7.18.3.1
输入监控........................................................................................................................................... 132
7.18.3.2
重置硬件监控Block.................................................................................................... 132
7.18.3.3
复位输出引脚................................................................................................................................................ 133
7.18.3.4
监测Modes......................................................................................................................................... 133
7.18.3.5
中断状态寄存器.............................................................................................................................. 134
7.18.3.6
低功耗模式........................................................................................................................................ 134
SMSC DS - LPC47M192
第5页
牧师零五年三月三十零日
数据表
SMSC [ SMSC CORPORATION ]
