P R E L I M I N A R Y
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Figure 56.
5-V I/O Drive Type E Fall Time ................................................................................ 86
3.3-V I/O Drive Type D Rise Time............................................................................ 87
3.3-V I/O Drive Type D Fall Time ............................................................................. 87
5-V I/O Drive Type D Rise Time............................................................................... 88
5-V I/O Drive Type D Fall Time ................................................................................ 88
3.3-V I/O Drive Type C Rise Time............................................................................ 89
3.3-V I/O Drive Type C Fall Time ............................................................................. 89
5-V I/O Drive Type C Rise Time............................................................................... 90
5-V I/O Drive Type C Fall Time ................................................................................ 90
3.3-V I/O Drive Type B Rise Time............................................................................ 91
3.3-V I/O Drive Type B Fall Time ............................................................................. 91
5-V I/O Drive Type B Rise Time............................................................................... 92
5-V I/O Drive Type B Fall Time ................................................................................ 92
3.3-V I/O Drive Type A Rise Time............................................................................ 93
3.3-V I/O Drive Type A Fall Time ............................................................................. 93
5-V I/O Drive Type A Rise Time............................................................................... 94
5-V I/O Drive Type A Fall Time ................................................................................ 94
X32 Oscillator Circuit................................................................................................ 96
Loop-Filter Component ............................................................................................ 97
Key to Switching Waveforms ................................................................................... 98
Power-Up Sequence Timing .................................................................................. 100
Micro Power Off Mode Exit .................................................................................... 100
Entering Micro Power Off Mode (DRAM Refresh Disabled) .................................. 101
Entering Micro Power Off Mode (DRAM Refresh Enabled) ................................... 101
DRAM Timings, Page Hit ....................................................................................... 103
DRAM Timings, Refresh Cycle .............................................................................. 103
DRAM First Cycle and Bank/Page Miss (Read Cycles)......................................... 105
DRAM First Cycle and Bank/Page Miss (Write Cycles) ......................................... 107
Local Bus Interface ................................................................................................ 109
Display SRAM Timings .......................................................................................... 111
LCD Interface Timings ........................................................................................... 111
PCMCIA Memory Read Cycle................................................................................ 113
PCMCIA Memory Write Cycle................................................................................ 115
PCMCIA I/O Read Cycle........................................................................................ 117
PCMCIA I/O Write Cycle ........................................................................................ 119
BIOS ROM Read/Write 8-Bit Cycle........................................................................ 121
DOS ROM Read/Write 8-Bit Cycle......................................................................... 123
DOS ROM Read/Write 16-Bit Cycle....................................................................... 125
ISA Memory Read/Write 8-Bit Cycle ...................................................................... 127
ISA Memory Read/Write 16-Bit Cycle .................................................................... 129
ISA Memory Read/Write 0 Wait State Cycle.......................................................... 131
ISA I/O 8-Bit Read/Write Cycle .............................................................................. 133
ISA I/O 16-Bit Read/Write Cycle ............................................................................ 135
EPP Data Register Write Cycle.............................................................................. 136
EPP Data Register Read Cycle ............................................................................. 137
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脡lan鈩C300 Microcontroller Data Sheet