AC TIMING DIAGRAMS .............................................................................................................. 223
CAPACITIVE LOADING ......................................................................................................... 223
IOW Timing Port 92................................................................................................................ 224
POWER-UP TIMING................................................................................................................ 225
Button Timing.......................................................................................................................... 226
ROM INTERFACE.................................................................................................................... 227
ISA WRITE ................................................................................................................................ 228
ISA READ.................................................................................................................................. 229
8042 CPU .................................................................................................................................. 231
CLOCK TIMING........................................................................................................................ 232
Burst Transfer DMA Timing................................................................................................. 235
DISK DRIVE TIMING............................................................................................................... 237
SERIAL PORT.......................................................................................................................... 238
Parallel Port.............................................................................................................................. 239
EPP 1.9 Data or Address Write Cycle................................................................................ 240
EPP 1.9 Data or Address Read Cycle................................................................................ 242
EPP 1.7 Data Or Address Write Cycle............................................................................... 244
EPP 1.7 Data or Address Read Cycle................................................................................ 246
ECP PARALLEL PORT TIMING........................................................................................... 249
Serial Port Infrared Timing................................................................................................... 254
5
SMSC [ SMSC CORPORATION ]
