先进的 i/o 控制 和 motherboard glue 逻辑
数据手册
smsc lpc47m182
3
修订 1.8
smsc/非-smsc 寄存器 sets
(02-24-05)
数据手册
表格 的 内容
chapter 1
一般 描述 ...........................................................................................................11
chapter 2
管脚 布局........................................................................................................................... 12
chapter 3
描述 的 管脚 功能.............................................................................................14
3.1
缓存区 名字 descriptions .................................................................................................................23
3.2
管脚 和 internal 电阻器 ..............................................................................................................23
3.3
管脚 那 需要 external 电阻器 ...............................................................................................24
3.4
default state 的管脚..........................................................................................................................25
chapter 4
块 图解....................................................................................................................29
chapter 5
电源 和 时钟 符合实际.........................................................................................30
5.1
3 volt 运作 /5 volt 容忍 ...................................................................................................30
5.2
vcc power........................................................................................................................................30
5.3
vtr 电源 ........................................................................................................................................ 30
5.3.1
trickle 电源 functionality.....................................................................................................................31
5.4
v5p0_stby 电源 ...........................................................................................................................31
5.5
32.768 khz trickle 时钟输入..........................................................................................................31
5.5.1
indication 的32KHZ时钟 ......................................................................................................................31
5.6
14.318 mhz clock input ....................................................................................................................32
5.7
内部的PWRGOOD ..........................................................................................................................32
5.8
最大 current values..................................................................................................................32
5.9
电源 管理 甚至ts (pme/sci)............................................................................................32
chapter 6
函数的 描述....................................................................................................... 33
6.1
超级的 i/o registers...........................................................................................................................33
6.2
host 处理器 在terface (lpc) ........................................................................................................34
6.3
lpc 接口 ....................................................................................................................................34
6.3.1
lpc 接口 signal 定义...............................................................................................................34
6.3.2
lpc cycles.............................................................................................................................................34
6.3.3
地方 definitions ......................................................................................................................................35
6.3.4
NLFRAME用法 ...................................................................................................................................35
6.3.5
i/o 读 和 write 循环 .....................................................................................................................35
6.3.6
dma 读 和写 cycles ..................................................................................................................35
6.3.7
dma protocol .........................................................................................................................................35
6.3.8
电源 manaGEMENT .......................................................................................................................36
6.3.9
同步 protocol .......................................................................................................................................36
6.3.10
i/o 和 dma 星t fields ................................................................................................................37
6.3.11
lpc tranSFERS ..............................................................................................................................37
6.4
floppy disk controller ....................................................................................................................... 38
6.4.1
fdc configurati在 registers..................................................................................................................38
6.4.2
fdc 内部的Registers ...........................................................................................................................38
6.4.3
状态 register 一个 (sra) ................................................................................................................39
6.4.4
状态 register b (srb) ................................................................................................................40
6.4.5
数字的 输出 register (dor) ...................................................................................................42
6.4.6
录音带 驱动 reGISTER(tdr) ............................................................................................................44
6.4.7
数据 比率 选择寄存器 (dsr) ..............................................................................................45
6.4.8
主要的 状态寄存器 ....................................................................................................................47
6.4.9
数据 register (先进先出) .......................................................................................................................48
6.4.10
数字的 输入 register (dir)......................................................................................................49
6.4.11
配置 control 寄存器(ccr) .............................................................................50
6.4.12
状态 寄存器ENCODING ......................................................................................................51
: 点此下载
