科幻居雷什

图1 - LPC47M14X BLOCK DIAGRAM...........................................................................................................16

图2 - LPC47M14X时钟发生器.....................................................................................................24

图3 - MPU- 401 MIDI INTERFACE..................................................................................................................73

图4 - MPU- 401中断..........................................................................................................................76

图5 - MIDI数据字节示例...................................................................................................................77

图6 - 键盘LATCH ............................................................................................................................108

图7 - 鼠标LATCH...................................................................................................................................108

图8 - GPIO功能ILLUSTRATION......................................................................................................112

图9 - 电时序...........................................................................................................................178

图10 - 数据信号的上升时间和下降时间......................................... .................................................. ... 180

图11 - FULL SPEED LOAD ..........................................................................................................................180

图12 - 低速端口上的负载.............................................................................................................180

图13 - 电缆延迟..................................................................................................................................180

图14 - 差分数据JITTER..........................................................................................................181

图15 - 差速器EOP过渡歪斜和EOP宽度....................................... ............ 181

图16 - 接收机抖动容限....................................................................................................181

图17 - 输入时钟时序.....................................................................................................................182

图18 - PCI时钟TIMING..........................................................................................................................182

图19 - 复位时序.................................................................................................................................182

图20 - 输出时序测量条件， LPC信号的........................................ ......... 183

图21 - 输入定时测量条件， LPC信号的........................................ ............. 183

图22 - I / O写.........................................................................................................................................184

图23 - I / O READ...........................................................................................................................................184

图24 - DMA请求断言THROUGH LDRQ ＃ ......................................... .................................. 185

图25 - DMA写（第一个字节） ..............................................................................................................185

图26 - DMA读（ FIRST BYTE)................................................................................................................185

图27 - 软盘驱动器时序（ AT模式） ..................................... ..................................... 186

图28 - EPP 1.9数据或地址写周期........................................ ......................................... 187

图29 - EPP 1.9数据或地址读周期........................................ .......................................... 188

图30 - EPP 1.7数据或地址写周期........................................ ......................................... 189

图31 - EPP 1.7数据或地址读周期........................................ .......................................... 189

图32 - 并行端口FIFO时序.......................................................................................................191

图33 - ECP并行端口转发时序.......................................... .......................................... 191

图34 - ECP并行端口反向时序.......................................... ............................................ 192

图35 - IrDA接收TIMING....................................................................................................................193

图36 - IrDA发送时序.................................................................................................................194

图37 - 幅移键控红外接收时序......................................... .................................. 195

图38 - 幅移键控红外发射时序......................................... ............................... 196

图39 - 建立和保持TIME..................................................................................................................197

图40 - 串行数据........................................................................................................................197

图41 - 操纵杆位置信号.........................................................................................................197

图42 - 摇杆键信号...........................................................................................................197

图43 - 键盘/鼠标接收/发送数据时序....................................... .............................. 198

图44 - MIDI数据字节..............................................................................................................................198

图45 - 风扇输出时序......................................................................................................................199

图46 - 风扇转速计INTPUT时序........................................... .................................................. 0.199

图47 - LED输出时序......................................................................................................................199

图48 - 128脚QFP封装OUTLINE...................................................................................................200

图49 - XNOR - TEST链STRUCTURE...................................................................................................201

SMSC DS - LPC47M14X

第7页

修订版2001年3月19日