參數(shù)資料
型號(hào): BX805573060
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 64-BIT, 2400 MHz, MICROPROCESSOR, CBGA775
封裝: LGA-775
文件頁數(shù): 27/102頁
文件大小: 2428K
代理商: BX805573060
Electrical Specifications
30
Dual-Core Intel Xeon Processor 3000 Series Datasheet
2.7.6
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 2-17 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 Dual-Core Intel Xeon processor 3000 series operates at a 1066 MHz FSB
frequency (selected by a 266 MHz BCLK[1:0] frequency).
2.7.7
Phase Lock Loop (PLL) and Filter
An on-die PLL filter solution will be implemented on the processor. The VCCPLL input is
used for the PLL. Refer to Table 2-4 for DC specifications.
2.7.8
BCLK[1:0] Specifications (CK505 based Platforms)
Table 2-17. BSEL[2:0] Frequency Table for BCLK[1:0]
BSEL2
BSEL1
BSEL0
FSB Frequency
L
266 MHz
LL
H
RESERVED
LH
H
RESERVED
LH
L
RESERVED
HH
L
RESERVED
HH
H
RESERVED
HL
H
RESERVED
HL
L
RESERVED
Table 2-18. Front Side Bus Differential BCLK Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Figure
Notes1
Notes:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
VL
Input Low Voltage
-0.30
N/A
V
2
2. "Steady state" voltage, not including overshoot or undershoot.
VH
Input High Voltage
N/A
1.15
V
VCROSS(abs)
Absolute Crossing Point
0.300
N/A
0.550
V
3, 4, 5
3. Crossing voltage is defined as the instantaneous voltage value when the rising edge of BCLK0 equals the falling
edge of BCLK1.
4. VHavg is the statistical average of the VH measured by the oscilloscope.
5. The crossing point must meet the absolute and relative crossing point specifications simultaneously.
ΔVCROSS
Range of Crossing Points
N/A
0.140
V
VOS
Overshoot
N/A
1.4
V
6
6. Overshoot is defined as the absolute value of the maximum voltage. Undershoot is defined as the absolute
value of the minimum voltage.
VUS
Undershoot
-0.300
N/A
V
VSWING
Differential Output Swing
0.300
N/A
V
7
7. Measurement taken from differential waveform.
ILI
Input Leakage Current
-5
N/A
5
μA
Cpad
Pad Capacitance
.95
1.2
1.45
pF
8
8. Cpad includes die capacitance only. No package parasitics are included.
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