參數(shù)資料
型號(hào): BX80532PE2800D
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 2800 MHz, MICROPROCESSOR, XGA478
封裝: BOXED PROCESSOR
文件頁(yè)數(shù): 69/88頁(yè)
文件大?。?/td> 1502K
代理商: BX80532PE2800D
Intel Pentium 4 Processor on 0.13 Micron Process Datasheet
71
Features
Features
6
6.1
Power-On Configuration Options
Several configuration options can be configured by hardware. The Pentium 4 processor on
0.13 micron process samples hardware configuration at reset, on the active-to-inactive transition of
RESET#. For specifications on these options, refer to Table 6-1.
The sampled information configures the processor for subsequent operation. These configuration
options cannot be changed except by another reset. All resets reconfigure the processor; for reset
purposes, the processor does not distinguish between a “warm” reset and a “power-on” reset.
NOTE:
1. Asserting this signal during RESET# will select the corresponding option.
6.2
Clock Control and Low Power States
The use of AutoHALT, Stop-Grant, and Sleep states is allowed in Pentium 4 processor on
0.13 micron process-based systems to reduce power consumption by stopping the clock to internal
sections of the processor, depending on each particular state. See Figure 6-1 for a visual
representation of the processor low power states.
6.2.1
Normal State—State 1
This is the normal operating state for the processor.
Table 6-1. Power-On Configuration Option Pins
Configuration Option
Pin1
Output tristate
SMI#
Execute BIST
INIT#
In Order Queue pipelining (set IOQ depth to 1)
A7#
Disable MCERR# observation
A9#
Disable BINIT# observation
A10#
APIC Cluster ID (0-3)
A[12:11]#
Disable bus parking
A15#
Disable Hyper-Threading Technology
A31#
Symmetric agent arbitration ID
BR0#
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