- Computers & electronics
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- Processors
- Intel
- AT80571RG0601ML
- Data Sheet
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Features
6.2.8
6.3
In response to entering Deeper Sleep, the processor drives the VID code corresponding to the Deeper Sleep core voltage on the VID pins. Unlike typical Dynamic VID changes
(where the steps are single VID steps) the processor will perform a VID jump on the order of 100 mV. To support the Deeper Sleep State the platform must use a VRD 11.1 compliant solution.
Enhanced Intel SpeedStep
®
Technology
The processor supports Enhanced Intel SpeedStep Technology. This technology enables the processor to switch between frequency and voltage points, which may result in platform power savings. To support this technology, the system must support dynamic
VID transitions. Switching between voltage/frequency states is software controlled.
Enhanced Intel SpeedStep Technology is a technology that creates processor performance states (P states). P states are power consumption and capability states within the Normal state as shown in
Figure 17 . Enhanced Intel SpeedStep Technology
enables real-time dynamic switching between frequency and voltage points. It alters the performance of the processor by changing the bus to core frequency ratio and voltage. This allows the processor to run at different core frequencies and voltages to best serve the performance and power requirements of the processor and system. Note that the front side bus is not altered; only the internal core frequency is changed. In order to run at reduced power consumption, the voltage is altered in step with the bus ratio.
The following are key features of Enhanced Intel SpeedStep Technology:
• Voltage/Frequency selection is software controlled by writing to processor MSR's
(Model Specific Registers), thus eliminating chipset dependency.
— If the target frequency is higher than the current frequency, Vcc is incriminated in steps (+12.5 mV) by placing a new value on the VID signals after which the processor shifts to the new frequency. Note that the top frequency for the processor can not be exceeded.
— If the target frequency is lower than the current frequency, the processor shifts to the new frequency and Vcc is then decremented in steps (-12.5 mV) by changing the target VID through the VID signals.
Processor Power Status Indicator (PSI) Signal
The processor incorporates the PSI# signal that is asserted when the processor is in a reduced power consumption state. PSI# can be used to improve efficiency of the voltage regulator, resulting in platform power savings.
PSI# may be asserted only when the processor is in the Deeper Sleep state.
§
90 Datasheet
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Key Features
- IntelĀ® CeleronĀ® E3200 2.4 GHz
- 1 MB L2 LGA 775 (Socket T)
- Processor cores: 2 45 nm 64-bit 65 W
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Table of contents
- 9 Introduction
- 9 Terminology
- 10 Processor Terminology Definitions
- 11 References
- 13 Electrical Specifications
- 13 Power and Ground Lands
- 13 Decoupling Guidelines
- 13 VCC Decoupling
- 13 VTT Decoupling
- 14 FSB Decoupling
- 14 Voltage Identification
- 16 Reserved, Unused, and TESTHI Signals
- 16 Power Segment Identifier (PSID)
- 17 Voltage and Current Specification
- 17 Absolute Maximum and Minimum Ratings
- 18 DC Voltage and Current Specification
- 20 VCC Overshoot
- 21 Die Voltage Validation
- 21 Signaling Specifications
- 22 FSB Signal Groups
- 23 CMOS and Open Drain Signals
- 24 Processor DC Specifications
- 25 Platform Environment Control Interface (PECI) DC Specifications
- 26 GTL+ Front Side Bus Specifications
- 27 Clock Specifications
- 27 Front Side Bus Clock (BCLK[1:0]) and Processor Clocking
- 28 FSB Frequency Select Signals (BSEL[2:0])
- 29 Phase Lock Loop (PLL) and Filter
- 29 BCLK[1:0] Specifications
- 33 Package Mechanical Specifications
- 33 Package Mechanical Drawing
- 37 Processor Component Keep-Out Zones
- 37 Package Loading Specifications
- 37 Package Handling Guidelines
- 38 Package Insertion Specifications
- 38 Processor Mass Specification
- 38 Processor Materials
- 38 Processor Markings
- 39 Processor Land Coordinates
- 41 Land Listing and Signal Descriptions
- 41 Processor Land Assignments
- 64 Alphabetical Signals Reference
- 75 Thermal Specifications and Design Considerations
- 75 Processor Thermal Specifications
- 75 Thermal Specifications
- 78 Thermal Metrology
- 78 Processor Thermal Features
- 78 Thermal Monitor
- 80 On-Demand Mode
- 81 PROCHOT# Signal
- 81 THERMTRIP# Signal
- 82 Platform Environment Control Interface (PECI)
- 82 Introduction
- 82 TCONTROL and TCC activation on PECI-Based Systems
- 83 PECI Specifications
- 83 PECI Device Address
- 83 PECI Command Support
- 83 PECI Fault Handling Requirements
- 83 PECI GetTemp0() Error Code Support
- 85 Features
- 85 Power-On Configuration Options
- 85 Clock Control and Low Power States
- 86 Normal State
- 86 HALT and Extended HALT Powerdown States
- 86 HALT Powerdown State
- 87 Extended HALT Powerdown State
- 87 Stop Grant and Extended Stop Grant States
- 87 Stop-Grant State
- 88 Extended Stop Grant State
- 88 Stop Grant Snoop State, and Stop Grant Snoop State
- 88 HALT Snoop State, Stop Grant Snoop State
- 88 Extended HALT Snoop State, Extended Stop Grant Snoop State
- 88 Sleep State
- 89 Deep Sleep State
- 89 Deeper Sleep State
- 90 Technology
- 90 Processor Power Status Indicator (PSI) Signal
- 91 Boxed Processor Specifications
- 91 Introduction
- 92 Mechanical Specifications
- 92 Boxed Processor Cooling Solution Dimensions
- 93 Boxed Processor Fan Heatsink Weight
- 93 Boxed Processor Retention Mechanism and Heatsink Attach Clip Assembly
- 93 Electrical Requirements
- 93 Fan Heatsink Power Supply
- 95 Thermal Specifications
- 95 Boxed Processor Cooling Requirements
- 97 Variable Speed Fan
- 99 Debug Tools Specifications
- 99 Logic Analyzer Interface (LAI)
- 99 Mechanical Considerations
- 99 Electrical Considerations