82802AB Datasheet, PDF (5/53 Pages) Intel Corporation – Firmware Hub (FWH)

Intel^® 82802AB/AC Firmware Hub
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Simplified Block Diagram ..................................................................................... 8
Device Memory Map with Intel FWH Hardware Lock Architecture .................... 11
Intel FWH Boot-Configuration System Memory Map......................................... 11
32-Lead PLCC Intel Firmware Hub Pinout......................................................... 13
40-Lead TSOP Intel Firmware Hub Pinout ........................................................ 13
Automated Block Erase Flowchart..................................................................... 31
Clock Waveform ................................................................................................ 37
Output Timing Parameters................................................................................. 38
Input Timing Parameters ................................................................................... 39
FWH Single-Byte Read Waveforms .................................................................. 42
Write Waveforms ............................................................................................... 43
Intel FWH Output Timing Parameters ............................................................... 45
Intel FWH Input Timing Parameters .................................................................. 46
A/A Mux Read Timing Diagram ......................................................................... 50
A/A Mux Write Timing Diagram ......................................................................... 52
Tables
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Pin Descriptions ................................................................................................. 14
Command Definitions......................................................................................... 19
Status Register Definition .................................................................................. 20
Identifier Codes .................................................................................................. 21
Intel Firmware Hub Register Configuration Map................................................ 24
Register-Based Locking Value Definitions......................................................... 25
Temperature and VCC....................................................................................... 33
Intel FWH Interface DC Input/Output Specifications.......................................... 34
Power Supply Specifications — All Interfaces ................................................... 35
Intel FWH Interface AC Input/Output Specifications.......................................... 36
Clock Specification............................................................................................. 37
Signal Timing Parameters.................................................................................. 38
Interface Measurement Condition Parameters .................................................. 39
AC Waveform for Reset Operation.................................................................... 39
Programming Times .......................................................................................... 40
FWH Read Cycle ............................................................................................... 41
FWH Write Cycle ............................................................................................... 42
Signal Timing Parameters.................................................................................. 44
RNG Timing Characteristics .............................................................................. 45
RNG Statistical Characteristics.......................................................................... 45
Bus Operations .................................................................................................. 48
Datasheet
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