INTEL82802AB データシートの表示（PDF） - Intel
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INTEL82802AB Datasheet PDF : 53 Pages
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Intel® 82802AB/AC Firmware Hub
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5.2. Operating Conditions .....................................................................................................33
5.2.1.
5.2.2.
5.2.3.
Interface DC Input/Output Specifications ....................................................34
Interface AC Input/Output Specifications.....................................................36
Intel FWH Interface AC Timing Specifications ............................................37
5.2.3.1. Clock Specification..........................................................................37
5.2.3.2. Signal Timing Parameters...............................................................38
5.3. Block Programming Times ............................................................................................40
5.4. Intel Firmware Hub Interface..........................................................................................40
5.4.1.
Intel FWH Interface Cycles..........................................................................40
5.4.1.1. Read Cycle Sequence.....................................................................40
5.4.1.2. Single-Byte Read Waveforms.........................................................42
5.4.1.3. Write Cycle Sequence.....................................................................42
5.4.1.4. Write Waveforms ............................................................................43
5.4.1.5. Response To Invalid Fields.............................................................43
5.4.1.6. Abort Operations .............................................................................44
5.4.1.7. Intel FWH Cycle Timing Information ...............................................44
5.5. RNG Parameters ...........................................................................................................45
6.
PROM Programming Specifications ...........................................................................................47
6.1. Programming (“A/A Mux”) Mode Operation ...................................................................47
6.2. Bus Operation ................................................................................................................47
6.2.1.
Output Disable/Enable.................................................................................47
6.2.2.
Row/Column Addresses ..............................................................................47
6.2.3.
Read Operation ...........................................................................................47
6.2.4.
Read Identifier Codes Operation .................................................................48
6.2.5.
Write Operation ...........................................................................................48
6.3. Command Definitions ....................................................................................................48
6.4. Electrical Characteristics in A/A Mux Mode ...................................................................48
6.4.1.
Reset Operations.........................................................................................49
6.4.2.
6.4.3.
6.4.4.
AC Waveforms for Reset Operations ..........................................................49
A/A Mux Read-Only Operations (1,3).............................................................49
A/A Mux Write Operations (1,2) .....................................................................51
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