smsc ds – lpc47m192 页 5 rev. 03/30/05
数据手册
7.4.6
fdc swap位 .........................................................................................................................................64
7.5
串行
端口
(uart)...................................................................................................................64
7.6
INFRARED
接口................................................................................................................77
7.7
mpu-401
MIDI
UART..................................................................................................................... 78
7.7.1
Overview.................................................................................................................................................78
7.7.2
host interface .........................................................................................................................................79
7.7.3
midi 数据端口........................................................................................................................................79
7.7.4
状态端口..............................................................................................................................................79
7.7.4.1
位 7 – midi receive缓存区 empty ............................................................................................................... 79
7.7.4.2
位 6 – miditransmit busy ........................................................................................................................... 80
7.7.5
mpu-401 command controller ..............................................................................................................81
7.7.6
MIDIUART .............................................................................................................................................82
7.7.7
mpu-401 configuration registers ..........................................................................................................82
7.7.7.1
活动 和 i/o根基 地址......................................................................................................................... 83
7.8
并行的
端口 ..........................................................................................................................83
7.8.1
ibm xt/在 兼容, bi-directional 和epp modes .........................................................................84
7.8.2
扩展 能力并行的 端口.........................................................................................................88
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
键盘 在terface............................................................................................................................106
7.11.2
外部 键盘 一个d mouse 在terface ...........................................................................................107
7.11.3
键盘 power 管理..........................................................................................................107
7.11.4
Interrupts...........................................................................................................................................108
7.11.5
记忆 configurations .....................................................................................................................108
7.11.6
寄存器 definitions ...........................................................................................................................108
7.11.6.1
host i/f 数据寄存器................................................................................................................................... 108
7.11.6.2
host i/f stat美国 寄存器................................................................................................................................. 108
7.11.7
外部 clock signal ........................................................................................................................108
7.11.8
default 重置Conditions ..................................................................................................................109
7.11.9
键盘 和 mousepme generation.............................................................................................112
7.12
一般
目的
i/o.........................................................................................................113
7.12.1
gpio pins .........................................................................................................................................113
7.12.2
Description ........................................................................................................................................114
7.12.3
gpio 内容rol.....................................................................................................................................115
7.12.4
gpio operation ................................................................................................................................116
7.12.5
gpio pme 和 smi functionality.....................................................................................................117
7.12.6
也 边缘 触发ggered interrupts.......................................................................................................118
7.12.7
led functionality..............................................................................................................................118
7.13
系统
管理
中断
(smi) .........................................................................118
7.13.1
smi registers....................................................................................................................................119
7.14
PME
支持........................................................................................................................119
7.14.1
‘wake 在 规格ific 关键’ 选项 ..........................................................................................................120
7.15
风扇
速
控制
和
MONITORING ..........................................................................121
7.15.1
风扇 速控制 ............................................................................................................................121
7.15.2
风扇 速 monitoring.......................................................................................................................122
7.16
安全
特性 ..............................................................................................................125
7.16.1
gpio 设备 使不能运转寄存器控制 .............................................................................................125
7.16.2
设备 disable register....................................................................................................................125
7.17
GAME
端口
逻辑 ................................................................................................................125
7.17.1
电源 control register .....................................................................................................................128
7.17.2
vref 管脚 ..........................................................................................................................................128
7.18
H
ARDWARE
M
ONITORING
I
NTERFACE
...........................................................................................129
7.18.1
硬件 monitoring interface 信号 definition ...............................................................................129
7.18.2
smbus interface................................................................................................................................129
7.18.2.1
smbus 从动装置Interface.................................................................................................................................. 130
7.18.3
硬件 monitoring block ...............................................................................................................132
7.18.3.1
输入 monitoring ........................................................................................................................................... 132
7.18.3.2
resetting 这 硬件Monitoring 块.................................................................................................... 132
7.18.3.3
重置 输出 管脚 ................................................................................................................................................ 133
7.18.3.4
Monitoring模式......................................................................................................................................... 133
7.18.3.5
中断 状态寄存器 .............................................................................................................................. 134
7.18.3.6
低 电源 模式 ........................................................................................................................................ 134
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