增强 超级的 i/o 控制 和 lpc 接口
数据手册
smsc ds – lpc47m112 页 4 rev. 02/02/2005
数据手册
地址.........................................................................................................................................................................................79
16
状态端口 ........................................................................................................... 80
17
bits[5:0]................................................................................................................ 81
17.1
mpu-401 command controller ...................................................................................................................82
17.2
midi uart ....................................................................................................................................................83
17.3
mpu-401 configuration 寄存器..............................................................................................................83
18
并行的端口 ................................................................................................ 84
18.1
ibm xt/在 兼容, bi-directional 和 epp 模式 ...........................................................................85
18.2
扩展 capabilities parallel 端口............................................................................................................90
19
电源 management.................................................................................... 102
20
定时 图解 为ser_irq 循环 .............................................................. 105
21
8042 键盘 controller descriptION ........................................... 108
21.1
latches 在 键盘和 mouse irqs...................................................................................................114
21.2
键盘 和 mouse pme gene限定....................................................................................................116
22
一般 purpose i/o .................................................................................. 117
22.1
gpio 管脚 ...................................................................................................................................................117
22.1.1
gpio 运作 ..............................................................................................................................................................121
PME ................................................................................................................................................................................................123
22.2
也 边缘 triggered interrupts..............................................................................................................123
22.3
led 符合实际 .......................................................................................................................................123
23
系统 管理 interrupt (smi) ................................................... 125
24
pme supporT .................................................................................................. 126
24.1
‘wake 在 明确的关键’ 选项.................................................................................................................127
25
风扇 速 控制和 monitoriNG .................................................... 129
25.1
风扇 速控制.....................................................................................................................................129
25.1.1
fanx 寄存器...............................................................................................................................................................129
25.1.2
风扇 控制 寄存器.......................................................................................................................................................130
25.2
风扇 tachometer 输入 .............................................................................................................................130
PRELOAD.......................................................................................................................................................................................132
26
安全 featURE ........................................................................................ 133
26.1
gpio 设备 使不能运转 register 控制.....................................................................................................133
26.2
设备 使不能运转Register ............................................................................................................................133
27
game 端口逻辑 .......................................................................................... 134
27.1
电源 control register .............................................................................................................................135
27.2
vref 管脚.....................................................................................................................................................135
28
runtime regisTERS ...................................................................................... 136
29
CONFIGURATION.............................................................................................. 160
30
运算的 deSCRIPTION......................................................................... 178
30.1
最大 guaranteed ratings*................................................................................................................178
直流 电的 特性
...................................................................................................................178
31
定时 diagRAMS ........................................................................................... 181
32
包装 outline.......................................................................................... 205
33
附录 - 测试模式.................................................................................. 206
33.1
板 测试模式........................................................................................................................................206
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