AMD 8 Electrical Data, Conventions, Interface Signal Groupings, Preliminary Information, Chapter

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8 Electrical Data

Preliminary Information

25175H —March 2003

AMD Athlon™ XP Processor Model 8 Data Sheet

8 Electrical Data

This chapter describes the electrical characteristics that apply to all desktop AMD Athlon™ XP processors model 8.

8.1Conventions

The conventions used in this chapter are as follows:

Current specified as being sourced by the processor is negative.

Current specified as being sunk by the processor is positive.

8.2Interface Signal Groupings

The electrical data in this chapter is presented separately for each signal group.

Table 8 defines each group and the signals contained in each group.

Table 8.

Interface Signal Groupings

 

 

 

 

Signal Group

Signals

Notes

 

 

 

 

 

 

 

See “Advanced 266 FSB

 

 

 

AMD Athlon™ System Bus AC

 

 

SADDIN[14:2]#, SADDOUT[14:2]#, SADDINCLK#, SADDOUTCLK#,

Characteristics” on page 25,

AMD Athlon™

SFILLVAL#, SDATAINVAL#, SDATAOUTVAL#, SDATA[63:0]#,

“Advanced 333 FSB AMD Athlon™

System Bus

 

SDATAINCLK[3:0]#, SDATAOUTCLK[3:0]#, CLKFWDRST, PROCRDY,

System Bus AC Characteristics” on

 

 

CONNECT

page 29, “AMD Athlon™ System

 

 

 

Bus DC Characteristics” on page 36,

 

 

 

and “CLKFWDRST Pin” on page 73.

 

 

 

 

 

 

 

See “APIC Pins AC and DC

APIC

 

PICD[1:0]#, PICCLK

Characteristics” on page 44, and

 

“APIC Pins, PICCLK, PICD[1:0]#” on

 

 

 

 

 

 

page 73.

 

 

 

 

 

 

 

See “Frequency Identification

Frequency

 

FID[3:0], FSB_Sense[1:0]

(FID[3:0])” on page 33, “FID[3:0]

 

Pins” on page 75, and

 

 

 

 

 

 

“FSB_Sense[1:0] Pins” on page 76.

 

 

 

 

JTAG

 

TMS, TCK, TRST#, TDI, TDO

See “General AC and DC

 

Characteristics” on page 39.

 

 

 

 

 

 

 

Chapter 8

Electrical Data

31

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AMD 8 manual Electrical Data, Conventions, Interface Signal Groupings, Preliminary Information, Chapter