參數(shù)資料
型號: AXDA2000DKT3D
英文描述: Microprocessor
中文描述: 微處理器
文件頁數(shù): 84/104頁
文件大小: 1769K
代理商: AXDA2000DKT3D
72
Pin Descriptions
Chapter 11
AMD Athlon XP Processor Model 8 Data Sheet
25175E—November 2002
Preliminary Information
CONNECT Pin
CONNECT is an input from the system used for power
management and clock-forward initialization at reset.
COREFB and
COREFB# Pins
COREFB and COREFB# are outputs to the system that provide
processor core voltage feedback to the system.
CPU_PRESENCE# Pin
CPU_PRESENCE# is connected to VSS on the processor
package. If pulled-up on the motherboard, CPU_PRESENCE#
may be used to detect the presence or absence of a processor in
the Socket A-style socket.
DBRDY and DBREQ#
Pins
DBRDY and DBREQ# are routed to the debug connector.
DBREQ# is tied to V
CC_CORE
with a pullup resistor.
FERR Pin
FERR is an output to the system that is asserted for any
unmasked numerical exception independent of the NE bit in
CR0. FERR is a push-pull active High signal that must be
inverted and level shifted to an active Low signal. For more
information about FERR and FERR#, see the “Required
Circuits” chapter of the
AMD Athlon Processor-Based
Motherboard Design Guide
, order# 24363.
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