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参数资料
| 型号： | BX80532KC3000D |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 3000 MHz, MICROPROCESSOR |
| 文件页数： | 55/129页 |
| 文件大小： | 1640K |
| 代理商： | BX80532KC3000D |
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Intel Xeon Processor with 512 KB L2 Cache
Datasheet
31
Table 12. BSEL[1:0] and VID[4:0] DC Specifications
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. These parameters are not tested and are based on design simulations.
3. Leakage to Vss with pin held at 2.50V.
2.12
AGTL+ Front Side Bus Specifications
Routing topologies are dependent on the number of processors supported and the chipset used in
the design. Please refer to the appropriate platform design guidelines. In most cases, termination
resistors are not required as these are integrated into the processor. See Table 4 for details on which
AGTL+ signals do not include on-die termination.The termination resistors are enabled or disabled
through the ODTEN pin. To enable termination, this pin should be pulled up to VCC through a
resistor and to disable termination, this pin should be pulled down to VSS through a resistor. For
optimum noise margin, all pull-up and pull-down resistor values used for the ODTEN pin should
have a resistance value within 20 percent of the impedance of the baseboard transmission line
traces. For example, if the trace impedance is 50
, then a value between 40 and 60 should be
used. The processor's on-die termination must be enabled for the end agent only. Please refer to
Table 13 for termination resistor values. For more details on platform design see the appropriate
platform design guidelines.
Valid high and low levels are determined by the input buffers via comparing with a reference
voltage called GTLREF.
Table 13 lists the GTLREF specifications. The AGTL+ reference voltage (GTLREF) should be
generated on the baseboard using high precision voltage divider circuits. It is important that the
baseboard impedance is held to the specified tolerance, and that the intrinsic trace capacitance for
the AGTL+ signal group traces is known and well-controlled. For more details on platform design
see the appropriate platform design guidelines.
Symbol
Parameter
Min
Max
Unit
Notes1
Ron (BSEL)
Buffer On
Resistance
9.2
14.3
2
Ron
(VID)
Buffer On
Resistance
7.8
12.8
2
IHI
Pin Leakage Hi
N/A
100
A
3
Table 13. AGTL+ Bus Voltage Definitions
Symbol
Parameter
Min
Typ
Max
Units
Notes 1
GTLREF
Bus Reference Voltage
2/3 * VCC - 2%
2/3 * VCC
2/3 * VCC + 2%
V
2, 3, 6
GTLREF
New Design
Bus Reference Voltage
0.63*VCC - 2%
0.63*VCC
0.63*VCC + 2%
V
2, 3, 6,
RTT
Termination Resistance
36
41
46
4
RTT
New
Design
Termination Resistance
45
50
55
4, 8
COMP[1:0]
COMP Resistance
42.77
43.2
43.63
5, 7
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相关代理商/技术参数 |
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|---|---|
| BX80532KC3000H | 制造商:Intel 功能描述:MPU XEON NETBURST 64-BIT 0.13UM 3GHZ - Boxed Product (Development Kits) |
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