82802AC datasheet(5/53 Pages) INTEL

5 / 53 page

Intel

® 82802AB/AC Firmware Hub

Datasheet

Figures

Figure 1.

Simplified Block Diagram ..................................................................................... 8

Figure 2.

Device Memory Map with Intel FWH Hardware Lock Architecture .................... 11

Figure 3.

Intel FWH Boot-Configuration System Memory Map......................................... 11

Figure 4.

32-Lead PLCC Intel Firmware Hub Pinout......................................................... 13

Figure 5.

40-Lead TSOP Intel Firmware Hub Pinout ........................................................ 13

Figure 6.

Automated Block Erase Flowchart..................................................................... 31

Figure 7.

Clock Waveform ................................................................................................ 37

Figure 8.

Output Timing Parameters................................................................................. 38

Figure 9.

Input Timing Parameters ................................................................................... 39

Figure 10.

FWH Single-Byte Read Waveforms .................................................................. 42

Figure 11.

Write Waveforms ............................................................................................... 43

Figure 12.

Intel FWH Output Timing Parameters ............................................................... 45

Figure 13.

Intel FWH Input Timing Parameters .................................................................. 46

Figure 14.

A/A Mux Read Timing Diagram ......................................................................... 50

Figure 15.

A/A Mux Write Timing Diagram ......................................................................... 52

Tables

Table 1.

Pin Descriptions ................................................................................................. 14

Table 2.

Command Definitions......................................................................................... 19

Table 3.

Status Register Definition .................................................................................. 20

Table 4.

Identifier Codes.................................................................................................. 21

Table 5.

Intel Firmware Hub Register Configuration Map................................................ 24

Table 6.

Table 7.

Temperature and VCC....................................................................................... 33

Table 8.

Intel FWH Interface DC Input/Output Specifications.......................................... 34

Table 9.

Power Supply Specifications — All Interfaces ................................................... 35

Table 10.

Intel FWH Interface AC Input/Output Specifications.......................................... 36

Table 11.

Clock Specification............................................................................................. 37

Table 12.

Signal Timing Parameters.................................................................................. 38

Table 13.

Interface Measurement Condition Parameters .................................................. 39

Table 14.

AC Waveform for Reset Operation.................................................................... 39

Table 15.

Programming Times .......................................................................................... 40

Table 16.

FWH Read Cycle ............................................................................................... 41

Table 17.

FWH Write Cycle ............................................................................................... 42

Table 18.

Signal Timing Parameters.................................................................................. 44

Table 19.

RNG Timing Characteristics .............................................................................. 45

Table 20.

RNG Statistical Characteristics.......................................................................... 45

Table 21.

Bus Operations .................................................................................................. 48

82802AC Datasheet(PDF) 5 Page - Intel Corporation

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