6.7.7
并行端口软盘控制器........................................................................................................92
6.8 P
OWER
M
ANAGEMENT
......................................................................................................................................94
6.8.1
FDC电源管理.......................................................................................................................94
6.8.2
UART电源Management.....................................................................................................................96
6.8.3
并口............................................................................................................................................96
6.9 R
EAL
T
IME
C
LOCK
............................................................................................................................................97
6.9.1
配置寄存器..........................................................................................................................97
6.9.2
主机I / O Interface....................................................................................................................................98
6.9.3
国内Registers....................................................................................................................................98
6.9.4
时间和日历Alarm.......................................................................................................................99
6.9.5
更新周期........................................................................................................................................100
6.9.6
控制和状态寄存器................................................................................................................100
6.9.7
中断..............................................................................................................................................103
6.9.8
32kHz的时钟Input.................................................................................................................................104
6.9.9
动力Management..............................................................................................................................104
6.10
S
ERIAL
IRQ................................................................................................................................................105
6.10.1
时序图SER_IRQ周期............................................. ................................................. 105
6.10.2
可路由的IRQ串行IRQ转换能力........................................... ............................... 107
6.11
8042 K
EYBOARD
C
ONTROLLER
D
ESCRIPTION
................................................................................................108
6.11.1
键盘Interface............................................................................................................................108
6.11.2
外接键盘和鼠标接口............................................. .............................................. 109
6.11.3
键盘开机Management..........................................................................................................110
6.11.4
Interrupts...........................................................................................................................................110
6.11.5
内存配置.....................................................................................................................110
6.11.6
寄存器定义...........................................................................................................................110
6.11.7
外部时钟信号........................................................................................................................111
6.11.8
默认重置条件..................................................................................................................111
6.11.9
闩锁，键盘和鼠标的IRQ ............................................ ................................................ 113
6.11.10
键盘和鼠标PME Generation.............................................................................................114
6.12
G
ENERAL
P
URPOSE
I/O...............................................................................................................................115
6.12.1
GPIO引脚.........................................................................................................................................115
6.12.2
描述........................................................................................................................................116
6.12.3
GPIO Control.....................................................................................................................................118
6.12.4
GPIO操作................................................................................................................................119
6.12.5
GPIO PME和SMI功能.....................................................................................................120
6.12.6
是边沿触发中断.......................................................................................................121
6.12.7
LED功能..............................................................................................................................122
6.13
W
ATCH
D
OG
T
IMER
.....................................................................................................................................122
6.14
P
OWER
O
N
E
失效
T
IMER
(POET)............................................................................................................123
6.14.1
VCC电源上的执行时间Counter..............................................................................................123
6.14.2
VTR开机历时计数器............................................ .................................................. 123
6.15
F
AN
S
撒尿
C
ONTROL
A
ND
M
ONITORING
.......................................................................................................124
6.15.1
风扇速度控制............................................................................................................................124
6.15.2
风扇转速Monitoring.......................................................................................................................125
6.16
D
EVICE
D
ISABLE
R
EGISTER
..........................................................................................................................128
6.16.1
设备禁用寄存器（ LPC只） ..................................................................................................128
6.16.2
SMBus2设备禁用寄存器（ SMBus2只） .......................................... ................................... 128
6.17
SMB
US
C
ONTROLLER
.................................................................................................................................129
6.17.1
组态Registers.....................................................................................................................129
6.17.2
运行时Registers.............................................................................................................................129
6.18
SMB
US
2 S
LAVE
D
EVICE
..............................................................................................................................135
6.18.1
SMBus协议支持SMBus2 ............................................. ............................................. 136
6.18.2
命令代码..............................................................................................................................136
6.18.3
X总线SMBus2 / LPC Arbitration.........................................................................................................137
6.18.4
SMBus2注册Summary..............................................................................................................139
6.18.5
SMBus2注册说明...........................................................................................................139
6.18.6
无效命令响应协议行为............................................. ................................... 141
6.18.7
从设备超时.....................................................................................................................142
6.18.8
拉伸SCLK Signal...............................................................................................................142
6.18.9
SMBus的Timing...................................................................................................................................142
6.18.10
总线复位序列........................................................................................................................142
6.19
X-B
US
I
覆盖整个院落
.......................................................................................................................................143
6.19.1
I / O周期.........................................................................................................................................143
6.19.2
支持LCD控制器...............................................................................................................146
SMSC LPC47S45x
第259 4
牧师07年4月30日
数据表
QQ：2880707522 复制
