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Datasheet

Thermal Specifications

5.5

PROCHOT# Signal Pin

An external signal, PROCHOT# (processor hot), is asserted when the processor die

temperature has reached its maximum operating temperature. If the Intel Thermal

Monitor 1 is enabled (note that the Intel Thermal Monitor 1 must be enabled for the

processor to be operating within specification), the TCC is active when PROCHOT# is

asserted. The processor can be configured to generate an interrupt upon the assertion

or deassertion of PROCHOT#.

The processor implements a bi-directional PROCHOT# capability to allow system

designs to protect various components from over-heating situations. The PROCHOT#

signal is bi-directional in that it can either signal when the processor has reached its

maximum operating temperature or be driven from an external source to activate the

TCC. The ability to activate the TCC via PROCHOT# can provide a means for thermal

protection of system components.

One application for the PROCHOT# signal is the thermal protection of voltage

regulators (VR). System designers can create a circuit to monitor the VR temperature

and activate the TCC when the temperature limit of the VR is reached. By asserting

PROCHOT# (pulled-low) and activating the TCC, the VR can cool down as a result of

reduced processor power consumption. Bi-directional PROCHOT# can allow VR thermal

designs to target maximum sustained current instead of maximum current. Systems

should still provide proper cooling for the VR, and rely on bi-directional PROCHOT# only

as a backup in case of system cooling failure. The system thermal design should allow

the power delivery circuitry to operate within its temperature specification even while

the processor is operating at its TDP. With a properly designed and characterized

thermal solution, it is anticipated that bi-directional PROCHOT# would only be asserted

for very short periods of time when running the most power-intensive applications. An

under-designed thermal solution that is not able to prevent excessive assertion of

PROCHOT# in the anticipated ambient environment may cause a noticeable

performance loss.

Содержание 500 - DATASHEET REV 003

Страница 1: ...Intel Celeron Processor 500 Series Datasheet For Platforms Based on Mobile Intel 965 Express Chipset Family January 2008 Revision 003 Document Number 317665 003...

Страница 2: ...lities arising from future changes to them The information here is subject to change without notice Do not finalize a design with this information The products described in this document may contain d...

Страница 3: ...r PSI Signal 15 3 Electrical Specifications 17 3 1 Power and Ground Pins 17 3 2 FSB Clock BCLK 1 0 and Processor Clocking 17 3 3 Voltage Identification 17 3 4 Catastrophic Thermal Protection 21 3 5 Re...

Страница 4: ...r Absolute Maximum Ratings 24 6 DC Voltage and Current Specifications 24 7 FSB Differential BCLK Specifications 26 8 AGTL Signal Group DC Specifications 27 9 CMOS Signal Group DC Specifications 28 10...

Страница 5: ...vision History Document Number Revision Number Description Date 317666 001 Initial Release June 2007 317666 002 Corrected Figures 4 5 6 7 November 2007 317665 003 Added the Intel Celeron processor 560...

Страница 6: ...6 Datasheet...

Страница 7: ...itecture 533 MHz source synchronous front side bus FSB Supports Intel architecture with dynamic execution Data prefetch logic Micro FCPGA packaging technology MMX technology Streaming SIMD Extensions...

Страница 8: ...logy on some Intel processors Front Side Bus FSB Refers to the interface between the processor and system core logic also known as the chipset components Intel 64 Technology 64 bit memory extensions t...

Страница 9: ...obile Intel 965 Express Chipset Family Specification Update 316274 Intel I O Controller Hub 8 ICH8 Family Datasheet 313056 Intel I O Controller Hub 8 ICH8 Family Specification Update 313057 Intel 64 a...

Страница 10: ...Introduction 10 Datasheet...

Страница 11: ...gister block mapped in the processor s I O address space The P_LVLx I O reads are converted to equivalent MWAIT C state requests inside the processor and do not directly result in I O reads on the pro...

Страница 12: ...on The system can generate a STPCLK while the processor is in the C1 AutoHALT Powerdown state When the system deasserts the STPCLK interrupt the processor returns execution to the HALT state The proce...

Страница 13: ...tate in the C3 state The Monitor remains armed if it is configured All of the clocks in the processor core are stopped in the C3 state Because the core s caches are flushed the processor keeps the cor...

Страница 14: ...e Sleep state is a low power state in which the processor maintains its context maintains the phase locked loop PLL and stops all internal clocks The Sleep state is entered through assertion of the SL...

Страница 15: ...state the SLP pin must be deasserted to re enter the Stop Grant state While in Deep Sleep state the processor is incapable of responding to snoop transactions or latching interrupt signals No transit...

Страница 16: ...Low Power Features 16 Datasheet...

Страница 17: ...oltage determined by the VID Voltage ID pins 3 2 FSB Clock BCLK 1 0 and Processor Clocking BCLK 1 0 directly controls the FSB interface speed as well as the core frequency of the processor As in previ...

Страница 18: ...0 1 3750 0 0 0 1 0 1 1 1 3625 0 0 0 1 1 0 0 1 3500 0 0 0 1 1 0 1 1 3375 0 0 0 1 1 1 0 1 3250 0 0 0 1 1 1 1 1 3125 0 0 1 0 0 0 0 1 3000 0 0 1 0 0 0 1 1 2875 0 0 1 0 0 1 0 1 2750 0 0 1 0 0 1 1 1 2625 0...

Страница 19: ...0 0 8500 0 1 1 0 1 0 1 0 8375 0 1 1 0 1 1 0 0 8250 0 1 1 0 1 1 1 0 8125 0 1 1 1 0 0 0 0 8000 0 1 1 1 0 0 1 0 7875 0 1 1 1 0 1 0 0 7750 0 1 1 1 0 1 1 0 7625 0 1 1 1 1 0 0 0 7500 0 1 1 1 1 0 1 0 7375 0...

Страница 20: ...0 0 3750 1 0 1 1 0 1 1 0 3625 1 0 1 1 1 0 0 0 3500 1 0 1 1 1 0 1 0 3375 1 0 1 1 1 1 0 0 3250 1 0 1 1 1 1 1 0 3125 1 1 0 0 0 0 0 0 3000 1 1 0 0 0 0 1 0 2875 1 1 0 0 0 1 0 0 2750 1 1 0 0 0 1 1 0 2625 1...

Страница 21: ...s must remain unconnected Connection of these pins to VCC VSS or to any other signal including each other can result in component malfunction or incompatibility with future processors See Section 4 2...

Страница 22: ...eters are specified because of a source synchronous data bus One set is for common clock signals that are dependent upon the rising edge of BCLK0 ADS HIT HITM etc and the second set is for the source...

Страница 23: ...wever all of the CMOS signals are required to be asserted for at least three BCLKs in order for the processor to recognize them 3 9 Maximum Ratings Table 5 specifies absolute maximum and minimum ratin...

Страница 24: ...ions for the CMOS group are listed in Table 9 Table 6 through Table 10 list the DC specifications and are valid only while meeting specifications for junction temperature clock frequency and input vol...

Страница 25: ...and averaged over the duration of any change in current Specified by design characterization at nominal VCC Not 100 tested 7 Measured at the bulk capacitors on the motherboard 8 VCC BOOT tolerance sho...

Страница 26: ...in note 2 Figure 3 Active VCC and ICC Loadline Standard Voltage ICC max VCC V VCC nom VCC nom 1 5 VR St Pt Error 1 VCC DC min VCC DC max VCC max VCC min 10 mV RIPPLE ICC A 0 Slope 2 1 mV A at package...

Страница 27: ...eous VCCP 7 RTT is the on die termination resistance measured at VOL of the AGTL output driver Measured at 0 31 VCCP RTT is connected to VCCP on die Refer to processor I O buffer models for I V charac...

Страница 28: ...p resistor to VCCP Please refer to platform design guide for details 4 For Vin between 0 V and VOH 5 CPAD includes die capacitance only No package parasitics are included Table 9 CMOS Signal Group DC...

Страница 29: ...Mechanical Specifications and Pin Information 4 1 Package Mechanical Specifications The processor has two variants both available in a 478 pin Micro FCPGA package Package mechanical dimensions are sh...

Страница 30: ...ecifications and Pin Information 30 Datasheet Figure 4 1 MB Fused Micro FCPGA Processor Package Drawing 1 of 2 Top View Front View Detail A Bottom View Side View P 0 1 1 0 2 1 1 1 1 1 1 3 4 5 6 1 1 0...

Страница 31: ...Datasheet 31 Package Mechanical Specifications and Pin Information Figure 5 1 MB Fused Micro FCPGA Processor Package Drawing 2 of 2 Top View Bottom View Side View 0 406 0 305 0 25 C A M B 0 254 C M...

Страница 32: ...Specifications and Pin Information 32 Datasheet Figure 6 1 MB Micro FCPGA Processor Package Drawing 1 of 2 Top View Front View Detail A Bottom View Side View oP 0 0 1 1 2 3 4 5 6 6 0 356 C A M B 0 25...

Страница 33: ...Datasheet 33 Package Mechanical Specifications and Pin Information Figure 7 1 MB Micro FCPGA Processor Package Drawing 2 of 2 Top View Bottom View Side View 0 406 0 305 0 25 C A M B 0 254 C M...

Страница 34: ...2 VSS BPRI HIT G H ADS REQ 1 VSS LOCK DEFER VSS H J A 9 VSS REQ 3 A 3 VSS VCCP J K VSS REQ 2 REQ 0 VSS A 6 VCCP K L REQ 4 A 13 VSS A 5 A 4 VSS L M ADSTB 0 VSS A 7 RSVD VSS VCCP M N VSS A 8 A 10 VSS R...

Страница 35: ...BP 0 H J VCCP VSS D 11 D 10 VSS DSTBN 0 J K VCCP D 14 VSS D 8 D 17 VSS K L VSS D 22 D 20 VSS D 29 DSTBN 1 L M VCCP VSS D 23 D 21 VSS DSTBP 1 M N VCCP D 16 VSS DINV 1 D 31 VSS N P VSS D 26 D 25 VSS D 2...

Страница 36: ...Package Mechanical Specifications and Pin Information 36 Datasheet This page is intentionally left blank...

Страница 37: ...ource Synch Input Output A 25 T5 Source Synch Input Output A 26 T3 Source Synch Input Output A 27 W2 Source Synch Input Output A 28 W5 Source Synch Input Output A 29 Y4 Source Synch Input Output A 30...

Страница 38: ...M23 Source Synch Input Output Table 13 Pin Listing by Pin Name Sheet 3 of 15 Pin Name Pin Number Signal Buffer Type Direction D 24 P25 Source Synch Input Output D 25 P23 Source Synch Input Output D 26...

Страница 39: ...ommon Clock Input Output Table 13 Pin Listing by Pin Name Sheet 5 of 15 Pin Name Pin Number Signal Buffer Type Direction DSTBN 0 J26 Source Synch Input Output DSTBN 1 L26 Source Synch Input Output DST...

Страница 40: ...A18 Power Other Table 13 Pin Listing by Pin Name Sheet 7 of 15 Pin Name Pin Number Signal Buffer Type Direction VCC A20 Power Other VCC AA7 Power Other VCC AA9 Power Other VCC AA10 Power Other VCC AA1...

Страница 41: ...Other VCC E12 Power Other Table 13 Pin Listing by Pin Name Sheet 9 of 15 Pin Name Pin Number Signal Buffer Type Direction VCC E13 Power Other VCC E15 Power Other VCC E17 Power Other VCC E18 Power Oth...

Страница 42: ...SS AD2 Power Other VSS AD5 Power Other Table 13 Pin Listing by Pin Name Sheet 11 of 15 Pin Name Pin Number Signal Buffer Type Direction VSS AD8 Power Other VSS AD11 Power Other VSS AD13 Power Other VS...

Страница 43: ...VSS H24 Power Other VSS J2 Power Other Table 13 Pin Listing by Pin Name Sheet 13 of 15 Pin Name Pin Number Signal Buffer Type Direction VSS J5 Power Other VSS J22 Power Other VSS J25 Power Other VSS K...

Страница 44: ...Input VSS A23 Power Other Table 13 Pin Listing by Pin Name Sheet 15 of 15 Pin Name Pin Number Signal Buffer Type Direction THRMDA A24 Power Other VSS A25 Power Other TEST6 A26 Test COMP 2 AA1 Power Ot...

Страница 45: ...C7 Power Other VSS AC8 Power Other Table 14 Pin Listing by Pin Number Sheet 3 of 17 Pin Name Pin Number Signal Buffer Type Direction VCC AC9 Power Other VCC AC10 Power Other VSS AC11 Power Other VCC A...

Страница 46: ...Power Other VCC AE20 Power Other Table 14 Pin Listing by Pin Number Sheet 5 of 17 Pin Name Pin Number Signal Buffer Type Direction D 58 AE21 Source Synch Input Output D 55 AE22 Source Synch Input Out...

Страница 47: ...C C9 Power Other VCC C10 Power Other Table 14 Pin Listing by Pin Number Sheet 7 of 17 Pin Name Pin Number Signal Buffer Type Direction VSS C11 Power Other VCC C12 Power Other VCC C13 Power Other VSS C...

Страница 48: ...ower Other D 6 E25 Source Synch Input Output Table 14 Pin Listing by Pin Number Sheet 9 of 17 Pin Name Pin Number Signal Buffer Type Direction D 2 E26 Source Synch Input Output BR0 F1 Common Clock Inp...

Страница 49: ...put Output VSS J5 Power Other Table 14 Pin Listing by Pin Number Sheet 11 of 17 Pin Name Pin Number Signal Buffer Type Direction VCCP J6 Power Other VCCP J21 Power Other VSS J22 Power Other D 11 J23 S...

Страница 50: ...1 N25 Source Synch Input Output VSS N26 Power Other Table 14 Pin Listing by Pin Number Sheet 13 of 17 Pin Name Pin Number Signal Buffer Type Direction A 15 P1 Source Synch Input Output A 12 P2 Source...

Страница 51: ...31 V4 Source Synch Input Output Table 14 Pin Listing by Pin Number Sheet 15 of 17 Pin Name Pin Number Signal Buffer Type Direction VSS V5 Power Other VCCP V6 Power Other VCCP V21 Power Other VSS V22...

Страница 52: ...et D 32 Y22 Source Synch Input Output D 42 Y23 Source Synch Input Output VSS Y24 Power Other D 40 Y25 Source Synch Input Output DSTBN 2 Y26 Source Synch Input Output Table 14 Pin Listing by Pin Number...

Страница 53: ...pported in real mode A20M is an asynchronous signal However to ensure recognition of this signal following an Input Output write instruction it must be valid along with the TRDY assertion of the corre...

Страница 54: ...ssociated with each combination The required frequency is determined by the processor chipset and clock synthesizer All agents must operate at the same frequency The Intel Celeron processor 500 series...

Страница 55: ...polarity of the D 63 0 signals The DINV 3 0 signals are activated when the data on the data bus is inverted The bus agent inverts the data bus signals if more than half the bits within the covered gro...

Страница 56: ...eak event For additional information on the pending break event functionality including identification of support of the feature and enable disable information refer to Volume 3 of the Intel 64 and IA...

Страница 57: ...owever to ensure recognition of this signal following an Input Output Write instruction it must be valid along with the TRDY assertion of the corresponding Input Output Write bus transaction INIT must...

Страница 58: ...to protect internal circuits against voltage sequencing issues It should be driven high throughout boundary scan operation For termination requirements please refer to the appropriate platform design...

Страница 59: ...nsactions and service interrupts while in Stop Grant state When STPCLK is deasserted the processor restarts its internal clock to all units and resumes execution The assertion of STPCLK has no effect...

Страница 60: ...the silicon with little noise VID 6 0 Output VID 6 0 Voltage ID pins are used to support automatic selection of power supply voltages VCC Unlike some previous generations of processors these are CMOS...

Страница 61: ...pecifications are determined by characterization of the processor currents at higher temperatures and extrapolating the values for the temperature indicated 3 As measured by the activation of the on d...

Страница 62: ...thermal diode by the thermal sensor is slower than the rate at which the TJ temperature can change Offset between the thermal diode based temperature reading and the Intel Thermal Monitor reading may...

Страница 63: ...re Kelvin 5 The series resistance RT is provided to allow for a more accurate measurement of the diode junction temperature RT as defined includes the pins of the processor but does not include any so...

Страница 64: ...ct the designers usually select an ntrim value that more closely matches the behavior of the diodes in the processor If the processor diode ideality deviates from that of the ntrim each calculated tem...

Страница 65: ...es Processor performance is decreased by the same amount as the duty cycle when the TCC is active The TCC may also be activated via on demand mode If bit 4 of the ACPI Intel Thermal Monitor control re...

Страница 66: ...conditions are detectable via an Out Of Spec status bit This bit is also part of the DTS MSR When this bit is set the processor is operating out of specification and immediate shutdown of the system...

Страница 67: ...for the PROCHOT signal is the thermal protection of voltage regulators VR System designers can create a circuit to monitor the VR temperature and activate the TCC when the temperature limit of the VR...

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