Intel BFCBASE Data Sheet - Page 55

VID Step Times and Vcc Waveforms

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Electrical Specifications Figure 2-27. VID Step Times and Vcc Waveforms Ta VID n VCC(max) VCC(min) Tb n-6 = VIDTM2 VCC(max,n-3) Te Tc Td VCC(min,n-3) n-1 n-2 n-3 n-4 n-5 n-5 n-4 n-3 n-2 n-1 n VCC(max,n-4) Tf Ta = T80: VID Step Time Tb = T81: Thermal Monitor 2 Dwell Time Tc = T84: VID Down to Valid VCC(max) Td = T82: VID Down to Valid VCC(min) Te = T85: VID Up to Valid VCC(max) Tf = T83: VID Up to Valid VCC(min) Note: This waveform illustrates an example of an Intel Thermal Monitor 2 transition or an Intel Enhanced SpeedStep Technology 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. VCC(min,n-4) § Document Number: 318080-002 55

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Document Number: 318080-002
55
Electrical Specifications
ยง
Figure 2-27. VID Step Times and Vcc Waveforms
VID
V
CC
(max)
V
CC
(min)
n
n-1
n-2
n-3
n-4
n-6 = VID
TM2
n-1
n-2
n-3
n-4
n
Ta
Tb
Td
Tc
Te
Tf
V
CC
(max,n-3)
V
CC
(min,n-3)
V
CC
(max,n-4)
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)
n-5
n-5
Note: This waveform illustrates an example of an Intel Thermal
Monitor 2 transition or an Intel Enhanced SpeedStep
Technology 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.