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: 43/129页
文件大小: 1640K
代理商: BX80532KC3000D
Intel Xeon Processor with 512 KB L2 Cache
20
Datasheet
2.6
Voltage Identification
The VID specification for the processor is defined in this datasheet, and is supported by power
delivery solutions designed according to the Dual Intel Xeon TM Processor Voltage Regulator
Down (VRD) Design Guidelines, VRM 9.0 DC-DC Converter Design Guidelines, and VRM 9.1
DC-DC Converter Design Guidelines. The minimum voltage is provided in Table 6, and varies
with processor frequency. This allows processors running at a higher frequency to have a relaxed
minimum voltage specification. The specifications have been set such that one voltage regulator
design can work with all supported processor frequencies.
Note that the VID pins will drive valid and correct logic levels when the Intel
Xeon processor
with 512 KB L2 cache is provided with a valid voltage applied to the SM_VCC pins. SM_VCC
must be correct and stable prior to enabling the output of the VRM that supplies VCC.
Similarly, the output of the VRM must be disabled before SM_VCC becomes invalid. Refer to
Figure 19 for details.
The processor uses five voltage identification pins, VID[4:0], to support automatic selection of
processor voltages. Table 3 specifies the voltage level corresponding to the state of VID[4:0]. A ‘1’
in this table refers to a high voltage and a ‘0’ refers to low voltage level. If the processor socket is
empty (VID[4:0] = 11111), or the VRD or VRM cannot supply the voltage that is requested, it must
disable its voltage output. For further details, see the Dual Intel XeonTM Processor Voltage
Regulator Down (VRD) Design Guidelines, or VRM 9.0 DC-DC Converter Design Guidelines or
the VRM 9.1 DC-DC Converter Design Guidelines.
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