增强的超级I / O控制器， LPC接口

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图列表

图1 - LPC47M112 BLOCK DIAGRAM...............................................................................................................15

图2 - MPU- 401 MIDI接口....................................................................................................................78

图3 - MPU- 401 INTERRUPT.............................................................................................................................81

图4 - MIDI数据字节示例...................................................................................................................83

图5 - 键盘LATCH ..............................................................................................................................115

图6 - 鼠标LATCH.....................................................................................................................................115

图7 -GPIO功能说明.........................................................................................................121

图8 - 电时序..............................................................................................................................182

图9a - 输入时钟时序.......................................................................................................................182

图10 - OUPUT定时测量条件， LPC信号的........................................ .............. 184

图11 - 输入定时测量条件， LPC信号的........................................ ............... 184

图12 - I / O写...........................................................................................................................................185

图13 - I / O READ.............................................................................................................................................185

图14 - DMA请求断言THROUGH NLDRQ .......................................... .................................. 186

图15 - DMA写（第一个字节） ................................................................................................................186

图16 - DMA读（ FIRST BYTE)..................................................................................................................186

图17 - 软盘驱动器时序（ AT模式） ..................................... ....................................... 187

图18 - EPP 1.9数据或地址写周期........................................ ........................................... 188

图19 - EPP 1.9数据或地址读周期........................................ ............................................ 189

图20 - EPP 1.7数据或地址写周期........................................ ........................................... 190

图21 - EPP 1.7数据或地址读周期........................................ ............................................ 191

图22 - 并行端口FIFO TIMING...........................................................................................................193

图23 - ECP并行端口转发时序.......................................... .............................................. 194

图24 - ECP并行端口反向时序.......................................... ................................................ 195

图25 - IrDA接收TIMING.......................................................................................................................196

图26 - IrDA发送时序....................................................................................................................197

图27 - 幅移键控红外接收时序......................................... ..................................... 198

图28 - 幅移键控红外发射时序......................................... .................................. 199

图29 - 建立和保持TIME....................................................................................................................200

图30 - 串行数据..........................................................................................................................200

图31 - 操纵杆位置信号...........................................................................................................201

图32 - 摇杆键信号.............................................................................................................201

图33 - 键盘/鼠标接收/发送数据时序....................................... ................................ 202

图34- MIDI数据字节.................................................................................................................................203

图35 - 风扇输出时序........................................................................................................................203

图36 - 风扇转速计输入时序..................................................................................................204

图37 - LED输出时序........................................................................................................................204

图38 - 100引脚QFP 14X20MM包装外形， 3.2mm的足迹..................................... ............ 205

图39 - XNOR - TEST链STRUCTURE......................................................................................................206

SMSC DS - LPC47M112

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修订版2005年2月2日

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