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Intel
82802AB/AC Firmware Hub
R
4
Datasheet
5.2.
Operating Conditions .....................................................................................................33
5.2.1.
Interface DC Input/Output Specifications ....................................................34
5.2.2.
Interface AC Input/Output Specifications.....................................................36
5.2.3.
Intel FWH Interface AC Timing Specifications ............................................37
5.2.3.1.
Clock Specification..........................................................................37
5.2.3.2.
Signal Timing Parameters...............................................................38
Block Programming Times ............................................................................................40
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
RNG Parameters ...........................................................................................................45
5.3.
5.4.
5.5.
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.
AC Waveforms for Reset Operations..........................................................49
6.4.3.
A/A Mux Read-Only Operations
.............................................................49
6.4.4.
A/A Mux Write Operations
.....................................................................51