smsc ds – lpc47m192 页 4 rev. 03/30/05
数据手册
表格 的 内容
1
一般 desCRIPTION .................................................................................................................... 3
2
管脚 laYOUT........................................................................................................................................10
3
管脚 configURATION ........................................................................................................................11
4
描述 的管脚 functIONS..................................................................................................12
4.1
B
UFFER
N
AME
D
ESCRIPTIONS
...........................................................................................................20
4.2
P
INS
T
HAT
R
EQUIRE
E
XTERNAL
P
ULLUP
R
ESISTORS
..........................................................................20
4.2.1
超级的 i/o管脚 ........................................................................................................................................20
4.2.2
硬件 monito环绕 block 管脚.............................................................................................................21
5
块 diagram............................................................................................................................... 22
6
电源 functiONALITY ..................................................................................................................23
6.1
vcc/hvcc
P
OWER
........................................................................................................................23
6.1.1
3 volt 运作 /5 volt 至LERANCE .......................................................................................23
6.2
VREF
P
在
........................................................................................................................................23
6.3
VTR
S
UPPORT
.................................................................................................................................23
6.3.1
trickle 电源 functionality.....................................................................................................................23
6.4
32.768
K
H
Z
T
RICKLE
C
锁
I
NPUT
...................................................................................................25
6.4.1
indication 的32KHZ时钟 ......................................................................................................................25
6.5
I
NTERNAL
pwrgood.....................................................................................................................25
6.6
M
AXIMUM
C
URRENT
V
ALUES
.............................................................................................................25
6.6.1
超级的 i/o functions................................................................................................................................25
6.6.2
硬件 monitoring 块 functions ....................................................................................................26
6.7
P
OWER
M
ANAGEMENT
E
VENTS
(pme/sci).......................................................................................26
7
函数的 description.............................................................................................................27
7.1
S
UPER
i/o
R
EGISTERS
.....................................................................................................................27
7.2
H
OST
P
ROCESSOR
I
NTERFACE
(lpc) ...............................................................................................27
7.3
LPC
I
NTERFACE
...............................................................................................................................28
7.3.1
lpc 接口 signal 定义...............................................................................................................28
7.3.2
lpc cycles.............................................................................................................................................28
7.3.3
地方 definitions ......................................................................................................................................28
7.3.4
LFRAME#用法....................................................................................................................................28
7.3.5
i/o 读 和 write cycles .....................................................................................................................29
7.3.6
dma 读 和 写 cycles ..................................................................................................................29
7.3.7
dma protocol .........................................................................................................................................29
7.3.8
电源 manaGEMENT .......................................................................................................................29
7.3.8.1
clockrun protocol .................................................................................................................................... 29
7.3.8.2
lpcpd protocol.............................................................................................................................................. 29
7.3.9
同步 protocol .......................................................................................................................................29
7.3.9.1
典型 用法 ................................................................................................................................................. 29
7.3.9.2
同步 timeout ............................................................................................................................................... 30
7.3.9.3
同步 patterns 和 maximum 号码 的 syncs ........................................................................................ 30
7.3.9.4
同步 错误indication.................................................................................................................................... 30
7.3.9.5
i/o 和 dma st艺术 地方 .......................................................................................................................... 30
7.3.9.6
重置 策略..................................................................................................................................................... 30
7.3.10
lpc tranSFERS ..............................................................................................................................30
7.3.10.1
wait 状态 requirements................................................................................................................................. 30
7.4
F
LOPPY
D
ISK
C
ONTROLLER
..............................................................................................................31
7.4.1
fdc 内部的Registers ...........................................................................................................................31
7.4.2
状态 register encoDING..........................................................................................................41
7.4.3
Instructi在 set.........................................................................................................................................48
7.4.4
数据 transfer commands............................................................................................................54
7.4.5
直接 支持 为二 floppy驱动.................................................................................64
: 点此下载
