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32 Electrical Data Chapter 8
AMD Athlon™ XP Processor Model 8 Data Sheet 25175H—March 2003
Preliminary Information
Power
VID[4:0], VCCA, V
CC_CORE
, COREFB, COREFB#
See “Voltage Identification
(VID[4:0])” on page 33, “VID[4:0]
Pins” on page 78,“VCCA AC and DC
Characteristics” on page 33,
“V
CC_CORE
Characteristics” on page
34,“VCCA Pin” on page 78, and
“COREFB and COREFB# Pins” on
page 74.
Southbridge
RESET#, INTR, NMI, SMI#, INIT#, A20M#, FERR, IGNNE#,
STPCLK#, FLUSH#
See “General AC and DC
Characteristics” on page 39, “INTR
Pin” on page 76, “NMI Pin” on page
77, “SMI# Pin” on page 78, “INIT#
Pin” on page 76, “A20M# Pin” on
page 73, “FERR Pin” on page
74,“IGNNE# Pin” on page 76,
“STPCLK# Pin” on page 79, and
“FLUSH# Pin” on page 77.
System Clocks
SYSCLK, SYSCLK# (Tied to CLKIN/CLKIN# and RSTCLK/RSTCLK#),
PLLBYPASSCLK#, PLLBYPASSCLK
See “Advanced 266 FSB
AMD Athlon™ XP Processor Model
8 SYSCLK and SYSCLK# AC
Characteristics” on page 24,
“Advanced 333 FSB AMD Athlon™
XP Processor Model 8 SYSCLK and
SYSCLK# AC Characteristics” on
page 28, Table 14, “SYSCLK and
SYSCLK# DC Characteristics,” on
page 37, “SYSCLK and SYSCLK#”
on page 78, and “PLL Bypass and
Test Pins” on page 77.
Test
PLLBYPASS#, PLLTEST#, PLLMON1, PLLMON2, SCANCLK1,
SCANCLK2, SCANSHIFTEN, SCANINTEVAL, ANALOG
See “General AC and DC
Characteristics” on page 39, “PLL
Bypass and Test Pins” on page 77,
“Scan Pins” on page 78, “Analog
Pin” on page 73.
Thermal THERMDA, THERMDC
Table 17, “Thermal Diode Electrical
Characteristics,” on page 42, and
“THERMDA and THERMDC Pins”
on page 78.
Miscellaneous DBREQ#, DBRDY, PWROK
See “General AC and DC
Characteristics” on page 39,
“DBRDY and DBREQ# Pins” on
page 74, “PWROK Pin” on page 77.
Table 8. Interface Signal Groupings (continued)
Signal Group Signals Notes