先进的 i/o 控制 和 motherboard glue 逻辑
数据手册
修订 1.8
smsc/非-smsc 寄存器 sets
(02-24-05)
6
smsc lpc47m182
数据手册
7.25
8042 键盘 控制Description.........................................................................................118
7.25.1
键盘 在terface............................................................................................................................118
7.25.2
键盘 数据 写.........................................................................................................................119
7.25.3
键盘 数据 read.........................................................................................................................119
7.25.4
键盘 command write................................................................................................................119
7.25.5
键盘 status读 ......................................................................................................................119
7.25.6
cpu-至-host communication............................................................................................................119
7.25.7
host-至-cpu communication............................................................................................................119
7.25.8
KIRQ .................................................................................................................................................120
7.25.9
mirq.................................................................................................................................................120
7.25.10
外部 键盘 一个d mouse 在terface ...........................................................................................120
7.25.11
键盘 power management..........................................................................................................120
7.25.12
软 电源 向下 模式 ....................................................................................................................121
7.25.13
hard 电源向下 模式 ...................................................................................................................121
7.25.14
Interrupts...........................................................................................................................................121
7.25.15
记忆 configurations .....................................................................................................................121
7.25.16
寄存器 definitions ...........................................................................................................................121
7.25.17
外部 clock signal ........................................................................................................................122
7.25.18
default 重置Conditions ..................................................................................................................122
7.25.19
gatea20 和 keyboard reset................................................................................................122
7.26
端口 92 快 gatea20和 键盘重置.................................................................................122
7.26.1
端口 92 register ................................................................................................................................122
7.26.2
键盘 和 mousepme generation.............................................................................................126
7.27
一般 purpose i/o ....................................................................................................................127
7.27.1
gpio pins .........................................................................................................................................127
7.27.2
Description ........................................................................................................................................128
7.27.3
gpio 内容rol.....................................................................................................................................129
7.27.4
gpio operation ................................................................................................................................130
7.27.5
gpio pme functionality ...................................................................................................................131
7.27.6
也 边缘 触发ggered interrupts.......................................................................................................131
7.28
pme support................................................................................................................................131
7.28.1
‘wake 在 明确的关键’ 选项 ..........................................................................................................132
7.29
风扇 monitoring .............................................................................................................................134
7.29.1
风扇 tachometer inputs .....................................................................................................................134
7.29.2
发现 的 一个Stalled风扇.................................................................................................................135
7.30
hard 驱动 和 power led逻辑 ................................................................................................135
7.30.1
hard 驱动 front嵌板 led (red)....................................................................................................135
7.30.2
黄 和 绿色电源 led pins...................................................................................................136
7.31
电源 generation (5v) ................................................................................................................138
7.31.1
Reference 管脚..................................................................................................................................138
7.31.2
5v 主要的 谈及ence gene限定.........................................................................................................138
7.31.3
5v 备用物品 谈及ence gene限定 ...................................................................................................139
7.31.4
涉及Timings ............................................................................................................................139
7.32
ide 重置 输出 管脚...................................................................................................................139
7.33
pci 重置 输出 管脚.................................................................................................................140
7.34
电压 translati在 电路...........................................................................................................140
7.35
smbus isolati在 circui尝试.............................................................................................................143
7.36
ps_在 逻辑 ...............................................................................................................................144
7.37
pwrgd_platform 逻辑 ........................................................................................................145
7.37.1
selecting the delay ...........................................................................................................................146
7.38
sck_bjt_门输出..............................................................................................................146
7.39
backfeed 截 和 latched backfeed 截 circuitry......................................................................147
7.40
重新开始 re设置 逻辑....................................................................................................................152
7.41
cnr 逻辑....................................................................................................................................152
chapter 8
电源 控制 runtime 寄存器..................................................................................154
chapter 9
gpio runtime 寄存器................................................................................................. 161
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