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
表格 的 内容
1
一般 description .............................................................................................. 8
2
管脚 configURATION........................................................................................... 9
3
描述 的 pin functIONS................................................................... 10
3.1
缓存区 类型 descriptions................................................................................................................................14
3.2
管脚 那 需要 external pullup resistors................................................................................................14
4
块 diAGRAM ............................................................................................... 15
5
涉及 做CUMENTS ................................................................................ 16
6
3 volt 运作 / 5volt toleRANCE..................................................... 17
7
电源 函数ALITY................................................................................... 18
7.1
vcc power .......................................................................................................................................................18
7.2
vtr 支持 ....................................................................................................................................................18
7.3
内部的 pwrgood .........................................................................................................................................18
7.4
32.768 khz trickle 时钟 输入 .......................................................................................................................18
7.5
indication 的32khz clock ...............................................................................................................................18
7.6
trickle 电源 符合实际............................................................................................................................19
7.7
vref 管脚 ..........................................................................................................................................................20
7.8
最大 current values ...............................................................................................................................20
7.9
电源 管理 events (pme/sci)..........................................................................................................20
8
函数的 deSCRIPTION ............................................................................. 21
8.1
超级的 i/o registers .........................................................................................................................................21
8.2
host 处理器接口(lpc) .....................................................................................................................21
8.3
lpc interface..............................................................................................................................................21
8.3.1
lpc 接口 信号 定义.........................................................................................................................................21
8.3.2
lpc 循环 .......................................................................................................................................................................22
8.3.3
地方 定义 ................................................................................................................................................................22
8.4
电源 management.........................................................................................................................................23
8.4.1
clockrun 协议 .......................................................................................................................................................23
8.4.2
典型 用法 ...................................................................................................................................................................23
8.4.3
同步 timeout..................................................................................................................................................................23
8.4.4
同步 patterns 和 最大 号码 的 syncs...........................................................................................................23
8.4.5
同步 错误 indication ......................................................................................................................................................23
8.5
lpc 转移 sequence examples ................................................................................................................25
8.5.1
wait 状态 (所需的)东西..................................................................................................................................................25
9
floppy disk coNTROLLER ............................................................................ 26
9.1
fdc 内部的Registers....................................................................................................................................26
10
command 设置/desCRIPTIONS ....................................................................... 42
11
操作指南设置.............................................................................................. 45
12
串行 端口(uart)......................................................................................... 64
13
串行数据............................................................................................................ 68
14
infrared 在TERFACE ...................................................................................... 77
15
mpu-401 midiuart............................................................................................ 78
15.1
Overview.......................................................................................................................................................78
15.2
host 在terface...............................................................................................................................................78
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