80546KF Datasheet, PDF (51/138 Pages) Intel Corporation – 64-bit Intel Xeon Processor MP with up to 8MB L3 Cache

Electrical Specifications
Figure 2-21. VID Step Timings
VID
n
V_CC(max)
Tb
V_CC(min)
n-1
...
Ta
m
m+1
Tc
Td
Ta = T84: VID Down to Valid V_CC(max)
Tb = T82: VID Down to Valid V_CC(min)
Tc = T85: VID Up to Valid V_CC(max)
Td = T83: VID Up to Valid V_CC(min)
Figure 2-22. VID Step Times and V_CC Waveforms
Ta
VID ⁿ
Tb
n-6 = VID_TM2
V_CC(max)
V_CC(min)
V_CC(max,n-3)
Te
Tc
Td
V_CC(min,n-3)
n
V_CC(max,n-4)
Tf
V_CC(min,n-4)
Ta = T80: VID Step Time
Tb = T81: Thermal Monitor 2 Dwell Time
Tc = T84: VID Down to Valid V_CC(max)
Td = T82: VID Down to Valid V_CC(min)
Te = T85: VID Up to Valid V_CC(max)
Tf = T83: VID Up to Valid V_CC(min)
Note: This waveform illustrates an example of an Intel Thermal
Monitor 2 transition or an Intel Enhanced SpeedStep transition
that is six VID steps down from the current state and six steps
back up. Any arbitrary up or down transition can be generalized
from this waveform.
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64-bit Intel^® Xeon™ Processor MP with up to 8MB L3 Cache Datasheet
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