AMD 8 Logic Symbol Diagram, Clock, Data Probe/SysCMD Request Power Management and Initialization

Models: 8

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3 Logic Symbol Diagram

Preliminary Information

25175H —March 2003

AMD Athlon™ XP Processor Model 8 Data Sheet

3 Logic Symbol Diagram

Figure 2 is the logic symbol diagram of the processor. This diagram shows the logical grouping of the input and output signals.

Clock

{

Data {

Probe/SysCMD {

Request {

Power {ClockData {

Management

and Initialization

 

SYSCLK

SYSCLK#

 

SDATA[63:0]#

 

 

VID[4:0]

SDATAINCLK[3:0]#

 

 

COREFB

SDATAOUTCLK[3:0]#

 

 

COREFB#

SDATAINVALID#

 

 

PWROK

SDATAOUTVALID#

 

 

FID[3:0]

SFILLVALID#

 

 

 

 

 

 

 

 

FSB_SENSE[1:0]

SADDIN[14:2]#

AMD Athlon™ XP

FERR

SADDINCLK#

 

Processor Model 8

IGNNE#

SADDOUT[14:2]#

 

 

INIT#

 

 

INTR

SADDOUTCLK#

 

 

 

 

 

NMI

PROCRDY

 

 

A20M#

 

 

SMI#

CLKFWDRST

 

 

 

 

FLUSH#

CONNECT

 

 

 

 

 

STPCLK#

 

 

THERMDA

RESET#

 

 

THERMDC

FrequencyLegacy{Voltage DiodeFigure 2. Logic Symbol Diagram Control

Frequency

Control

Front-Side Bus

Autodetect

{

 

Legacy

{

Thermal

Diode

 

PICCLK

 

 

 

 

 

 

 

{

APIC

PICD[1:0]

 

 

 

 

 

 

 

Figure 2. Logic Symbol Diagram

Chapter 3

Logic Symbol Diagram

7

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AMD 8 Logic Symbol Diagram, Clock, Data Probe/SysCMD Request Power Management and Initialization, Legacy, Diode, Chapter