AMD ATHLON 8 User Manual download pdf (Page 77)

Chapter 11 Pin Descriptions 65

25175H—March 2003 AMD Athlon™ XP Processor Model 8 Data Sheet

Preliminary Information

11.2 Pin List

Table 25 on page 66 cross-references Socket A pin location to

signal name.

The “L” (Level) column shows the electrical specification for

this pin. “P” indicates a push-pull mode driven by a single

source. “O” indicates open-drain mode that allows devices to

share the pin.

Note: The AMD Athlon processor supports push-pull drivers. For

more information, see “Push-Pull (PP) Drivers” on page 6.

The “P” (Port) column indicates if this signal is an input (I),

output (O), or bidirectional (B) signal. The “R” (Reference)

column indicates if this signal should be referenced to VSS (G)

or V

CC_CORE

(P) planes for the purpose of signal routing with

respect to the current return paths.

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AMD ATHLON 8 User Manual Page 77