參數(shù)資料
型號(hào): BXM80526B600256
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 64-BIT, 600 MHz, MICROPROCESSOR, CPGA495
封裝: MICRO PGA-495
文件頁數(shù): 6/84頁
文件大?。?/td> 450K
代理商: BXM80526B600256
Mobile Pentium III Processor in BGA2 and Micro-PGA2 Packages Datasheet
Intel Corporation
6
2.0
Mobile Pentium III Processor Features
2.1
New Features in the Mobile Pentium III Processor
2.1.1
On-die GTL+ Termination
The termination resistors for the GTL+ system bus are integrated onto the processor die. The
RESET# signal does not have on-die termination and requires an external 56.2
±1% terminating
resistor.
2.1.2
Streaming SIMD Extensions
The mobile Pentium III processor is the first mobile processor to implement Streaming SIMD
(single instruction, multiple data) extensions. Streaming SIMD extensions can enhance floating
point, video, sound, and 3-D application performance.
2.1.3
Intel SpeedStep Technology
Intel SpeedStep technology is a new mobile feature developed by Intel. The mobile Pentium III
processors that are enabled with Intel SpeedStep technology have the ability to switch between
two bus ratios and core speeds without having to reset the processor.
2.1.4
Signal Differences Between the Mobile Pentium II Processor and the
Mobile Pentium III Processor
With the exception of BCLK, PICCLK, and PWRGOOD, the CMOS inputs and Open-drain
outputs have changed from 2.5V tolerant, as on the mobile Pentium II processor to 1.5V tolerant.
Table 1. New Mobile Pentium III Processor Signals
Signals
Function
CLKREF
System bus clock trip point control
CMOSREF
1.5V CMOS input buffer trip point control
EDGECTRLP
GTL+ output buffer control
GHI#
Intel SpeedStep technology operating mode selection
BSEL[1:0]
Processor system bus speed selection
RSVD
Reserved, may be defined in the future
RTTIMPEDP
On-die GTL+ termination control
VCCT
On-die GTL+ termination current supply
VID[4:0]
Voltage Identification
Table 2. Removed Mobile Pentium II Processor Signals
Signals
Purpose
EDGECTRLN
GTL+ output buffer control
BSEL
100/66 MHz processor system bus speed selection
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