目录
1
2
3
引脚布局..........................................................................................................................................................8
PIN CONFIGURATION...........................................................................................................................................9
描述销FUNCTIONS...................................................................................................................10
3.1
B
UFFER
T
YPE
D
ESCRIPTIONS
...........................................................................................................................14
3.2
P
插件
T
HAT
R
EQUIRE
E
XTERNAL
P
ULLUP
R
ESISTORS
..........................................................................................15
4框图...............................................................................................................................................16
电源FUNCTIONALITY...................................................................................................................................17
5.1
VCC P
OWER
..................................................................................................................................................17
5.1.1
3伏操作/ 5伏Tolerance.........................................................................................................17
5.2
USB P
OWER
..................................................................................................................................................17
5.3
VTR S
UPPORT
...............................................................................................................................................17
5.4
VREF P
IN
.....................................................................................................................................................17
5.5
I
NTERNAL
PWRGOOD ...................................................................................................................................18
5.6
32.768
K
H
Z
T
RICKLE
C
LOCK
I
NPUT
..................................................................................................................18
5.7
T
RICKLE
P
OWER
F
UNCTIONALITY
......................................................................................................................18
5.8
M
AXIMUM
C
光凭目前
V
ALUES
............................................................................................................................19
5.9
P
OWER
M
ANAGEMENT
E
通风口
( PME / SCI ) ......................................................................................................19
6功能描述.............................................................................................................................20
6.1
S
UPER
I / O
EGISTERS
....................................................................................................................................20
6.2
H
OST
P
ROCESSOR
I
覆盖整个院落
( LPC ) ...............................................................................................................20
6.3
LPC我
覆盖整个院落
.............................................................................................................................................21
6.3.1
LPC接口信号Definition...............................................................................................................21
6.3.2
LPC Cycles.............................................................................................................................................21
6.3.3
字段定义......................................................................................................................................21
6.3.4
LFRAME # Usage....................................................................................................................................21
6.3.5
I / O读写周期.....................................................................................................................22
6.3.6
DMA读写周期..................................................................................................................22
6.3.7
DMA协议.........................................................................................................................................22
6.3.8
动力Management................................................................................................................................22
6.3.9
同步协议.......................................................................................................................................22
6.3.10 LPC转移..........................................................................................................................................23
6.4
USB
UB
F
UNCTIONAL
D
ESCRIPTION
...............................................................................................................24
6.4.1
USB下行端口选择............................................................................................................25
6.5
软盘控制器....................................................................................................................26
6.5.1
FDC内部寄存器...........................................................................................................................27
6.5.2
状态寄存器编码..........................................................................................................37
6.5.3
指令Set.........................................................................................................................................43
6.5.4
数据传输COMMANDS............................................................................................................50
6.6
串口( UART ) ................................................................................................................................60
6.7
红外INTERFACE..............................................................................................................................72
6.8
MPU- 401 MIDI UART...................................................................................................................................73
6.8.1
Overview.................................................................................................................................................73
6.8.2
主机接口.........................................................................................................................................73
6.8.3
MIDI数据端口........................................................................................................................................74
6.8.4
状态Port..............................................................................................................................................74
6.8.5
MPU- 401指挥控制..............................................................................................................76
6.8.6
MIDI UART .............................................................................................................................................77
6.8.7
MPU- 401配置寄存器..........................................................................................................77
6.9
并行端口........................................................................................................................................78
6.9.1
IBM XT / AT兼容,双向和EPP模式...................................... ................................... 79
6.9.2
扩展功能并行Port.........................................................................................................84
6.10
电源管理.............................................................................................................................94
6.11
串行IRQ .................................................................................................................................................98
6.12
I
NTERRUPT
G
ENERATING
R
EGISTERS
..............................................................................................................101
6.13 8042键盘控制器说明............................................. ...................................... 102
6.13.1键盘接口............................................................................................................................... 103
6.13.2外接键盘和鼠标Interface............................................................................................... 104
6.13.3键盘电源管理............................................................................................................. 104
6.13.4中断.............................................................................................................................................. 104
6.13.5内存Configurations......................................................................................................................... 104
6.13.6注册Definitions............................................................................................................................... 105
SMSC DS - LPC47M14X
第4页
修订版2001年3月19日
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