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參數(shù)資料
| 型號： | BX80557E2140 |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROPROCESSOR, PBGA775 |
| 封裝： | LGA-775 |
| 文件頁數(shù)： | 29/107頁 |
| 文件大?。?/td> | 1474K |
| 代理商： | BX80557E2140 |
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Electrical Specifications
28
Datasheet
2.8
Clock Specifications
2.8.1
Front Side Bus Clock (BCLK[1:0]) and Processor Clocking
BCLK[1:0] directly controls the FSB interface speed as well as the core frequency of the
processor. As in previous generation processors, the processor’s core frequency is a
multiple of the BCLK[1:0] frequency. The processor bus ratio multiplier will be set at its
default ratio during manufacturing. Refer to Table 15 for the processor supported
ratios.
The processor uses a differential clocking implementation. For more information on the
processor clocking, contact your Intel field representative. Platforms using a CK505
Clock Synthesizer/Driver should comply with the specifications in Section 2.8.4.
Platforms using a CK410 Clock Synthesizer/Driver should comply with the specifications
2.8.2
FSB Frequency Select Signals (BSEL[2:0])
The BSEL[2:0] signals are used to select the frequency of the processor input clock
(BCLK[1:0]). Table 16 defines the possible combinations of the signals and the
frequency associated with each combination. The required frequency is determined by
the processor, chipset, and clock synthesizer. All agents must operate at the same
frequency.
The Intel Pentium Dual-Core Desktop processor E2000 series operates at a 800 MHz
FSB frequency (selected by a 200 MHz BCLK[1:0] frequency).
Table 15.
Core Frequency to FSB Multiplier Configuration
Multiplication of System Core
Frequency to FSB Frequency
Core Frequency
(200 MHz BCLK/800 MHz FSB)
Notes1, 2
NOTES:
1.
Individual processors operate only at or below the rated frequency.
2.
Listed frequencies are not necessarily committed production frequencies.
1/6
1.20 GHz
-
1/7
1.40 GHz
-
1/8
1.60 GHz
-
1/9
1.80 GHz
-
1/10
2 GHz
-
1/11
2.2 GHz
-
1/12
2.4 GHz
-
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相關代理商/技術參數(shù) |
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|---|---|
| BX80557E2160 S LA8Z | 制造商:Intel 功能描述: |
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