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Intel Pga478 Data Sheet - Page 49

Table 15., Alphabetical Pin Listing Sheet 1 of 12

UPC - 735858152471

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Package Mechanical Specifications and Pin Information-Intel® Celeron® Processor 1.66 GHz/ 1.83 GHz Table 15. Alphabetical Pin Listing (Sheet 1 of 12) Pin Number Pin Name A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 AA1 AA2 AA3 AA4 AA5 AA6 AA7 AA8 AA9 AA10 AA11 AA12 AA13 AA14 FORCEPR# VSS PWRGOOD THERMTRIP# VSS VCC VSS VCC VCC VSS VCC VCC VSS VCC VSS VCC VCC VSS VCC BSEL[2] THRMDC VCCA TEST1 VSS BCLK[1] VSS A[21]# A[26]# VSS TCK TRST# VCCSENSE VSS VCC VCC VSS VCC VCC VSS Signal Buffer Type Direction CMOS Power/Other CMOS Open Drain Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other CMOS Power/Other Power/Other Test Power/Other Bus Clock Power/Other Source Sync Source Sync Power/Other CMOS CMOS Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Power/Other Input Input Output Output Input Input/Output Input/Output Input Input January 2007 Order Number: 315876-002 Intel® Celeron® Processor 1.66 GHz/1.83 GHz DS 49

Section	Page
Intel® Celeron® Processor 1.66 GHz/ 1.83 GHz	1
Contents	3
Figures	3
Tables	3
Revision History	5
1.0 Introduction	6
Note: The term AGTL+ is used to refer to Assisted GTL+ signaling technology on the processor.	7
1.1 Terminology	7
Table 1. Terminology (Sheet 1 of 2)	7
1.2 References	8
Table 2. References	8
1.3 State of Data	9
Note: All references to the Intel® Celeron® Processor 1.66 GHz/1.83 GHz in this document apply to the Intel® Celeron® Processor 1.66 GHz/1.83 GHz only, unless otherwise specified.	9
2.0 Low Power Features	10
2.1 Clock Control and Low Power States	10
Figure 1. Package-Level Low Power States	10
Figure 2. Core Low Power States	11
2.1.1 Core Low Power States	11
2.1.1.1 C0 State - Normal State	11
2.1.1.2 C1/AutoHALT Powerdown State	11
2.1.1.3 C1/MWAIT Powerdown State	12
2.1.2 Package Low Power States	12
2.1.2.1 Normal State	12
2.1.2.2 Stop-Grant State	12
2.1.2.3 Stop Grant Snoop State	13
2.1.2.4 Sleep State	13
2.2 Enhanced Intel® SpeedStep® Technology (EIST)	13
2.3 Extended Halt State (C1E)	13
Note: The Extended HALT (C1E) state must be enabled for the processor to remain within its specifications.	13
3.0 Electrical Specifications	15
3.1 Front Side Bus and GTLREF	15
3.2 Power and Ground Pins	15
3.3 Decoupling Guidelines	15
3.3.1 VCC Decoupling	15
3.3.2 FSB AGTL+ Decoupling	16
3.3.3 FSB Clock (BCLK[1:0]) and Processor Clocking	16
3.4 Voltage Identification and Power Sequencing	16
Table 3. Intel® Celeron® Processor 1.66 GHz/1.83 GHz VID Map (Sheet 1 of 3)	16
3.5 Catastrophic Thermal Protection	18
3.6 Signal Terminations and Unused Pins	18
Note: The TEST1 and TEST2 pins have unique signal termination requirements. It is mandatory that the TEST2 pin have a 51 W +/-5% pull down resistor to Vss. Please refer to Table 11 for details.	18
3.7 FSB Frequency Select Signals (BSEL[2:0])	18
Table 4. BSEL[2:0] Encoding for BCLK Frequency	18
3.8 FSB Signal Groups	19
Table 5. FSB Pin Groups	19
3.9 CMOS Signals	20
3.10 Maximum Ratings	20
Table 6. Processor DC Absolute Maximum Ratings	20
3.11 Processor DC Specifications	20
Note: The processor DC specifications in this section are defined at the processor core (pads) unless noted otherwise.	20
Table 7. Voltage and Current Specifications for the Intel® Celeron® Processor 1.66 GHz/1.83 GHz	21
Figure 3. Active VCC and ICC Load Line for Intel® Celeron® Processor 1.66 GHz/1.83 GHz	22
Table 8. AGTL+ Signal Group DC Specifications (Sheet 1 of 2)	22
Table 9. CMOS Signal Group DC Specifications	23
Table 10. Open Drain Signal Group DC Specifications	24
4.0 Package Mechanical Specifications and Pin Information	25
4.1 Package Mechanical Specifications	25
4.1.1 Package Mechanical Drawings	25
Figure 4. Micro-FCPGA Package Top and Bottom Views	25
Figure 5. Micro-FCPGA Processor Package Drawing (Sheet 1)	26
Figure 6. Micro-FCPGA Processor Package Drawing (Sheet 2)	27
4.1.2 Processor Component Keep-Out Zones	27
4.1.3 Package Loading Specifications	28
4.1.4 Processor Mass Specifications	28
4.2 Processor Pin-Out and Pin List	28
Figure 7. The Coordinates of the Processor Pins as Viewed From the Top of the Package	29
4.2.1 Alphabetical Signals Reference	30
Table 11. Signal Description (Sheet 1 of 7)	30
Table 12. Quad-Pumped Signal Groups	32
Table 13. DINV[3:0]# Assignment To Data Bus	32
Table 14. Alphabetical Signal Listing (Sheet 1 of 12)	37
Table 15. Alphabetical Pin Listing (Sheet 1 of 12)	49
5.0 Thermal Specifications and Design Considerations	61
Table 16. Power Specifications for the Intel® Celeron® Processor 1.66 GHz/1.83 GHz (Sheet 1 of 2)	61
5.1 Thermal Specifications	62
5.1.1 Thermal Diode	62
Note: The reading of the external thermal sensor (on the motherboard) connected to the processor thermal diode signals, does not...	62
Table 17. Thermal Diode Interface	63
Table 18. Thermal “Diode” Parameters using Diode Mode	63
5.1.2 Thermal Diode Offset	64
Table 19. Thermal “Diode” ntrim and Diode Correction Toffset	64
5.1.3 Intel® Thermal Monitor	64
Note: The Intel thermal monitor automatic mode must be enabled through BIOS for the processor to be operating within specifications.	64
Note: Intel recommends both Thermal Monitor 1 (TM1) and Thermal Monitor 2 (TM2) be always enabled on Intel® Celeron® Processor 1.66 GHz/1.83 GHz.	64
Note: The Intel® Celeron® Processor 1.66 GHz/1.83 GHz only supports TM2 initiated voltage/ frequency transitions. Intel® Celeron...	65
Note: PROCHOT# is not asserted when the processor is in the Stop Grant, and Sleep, low power states (internal clocks stopped), h...	65
5.1.4 Digital Thermal Sensor	66
5.1.5 Out of Specification Detection	66
5.1.6 PROCHOT# Signal Pin	66
5.1.7 FORCEPR# Signal Pin	67

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Intel

Celeron

Processor 1.66 GHz/1.83 GHz

January 2007

Order Number: 315876-002

Package Mechanical Specifications and Pin Information—Intel

Celeron

Processor 1.66 GHz/

1.83 GHz

Table 15.

Alphabetical Pin Listing (Sheet 1 of 12)

Pin Number

Pin Name

Signal Buffer Type

Direction

FORCEPR#

CMOS

Input

VSS

Power/Other

PWRGOOD

CMOS

Input

THERMTRIP#

Open Drain

Output

VSS

Power/Other

VCC

Power/Other

VSS

Power/Other

VCC

Power/Other

A10

VCC

Power/Other

A11

VSS

Power/Other

A12

VCC

Power/Other

A13

VCC

Power/Other

A14

VSS

Power/Other

A15

VCC

Power/Other

A16

VSS

Power/Other

A17

VCC

Power/Other

A18

VCC

Power/Other

A19

VSS

Power/Other

A20

VCC

Power/Other

A21

BSEL[2]

CMOS

Output

A22

THRMDC

Power/Other

A23

VCCA

Power/Other

A24

TEST1

Test

A25

VSS

Power/Other

A26

BCLK[1]

Bus Clock

Input

AA1

VSS

Power/Other

AA2

A[21]#

Source Sync

Input/Output

AA3

A[26]#

Source Sync

Input/Output

AA4

VSS

Power/Other

AA5

TCK

CMOS

Input

AA6

TRST#

CMOS

Input

AA7

VCCSENSE

Power/Other

AA8

VSS

Power/Other

AA9

VCC

Power/Other

AA10

VCC

Power/Other

AA11

VSS

Power/Other

AA12

VCC

Power/Other

AA13

VCC

Power/Other

AA14

VSS

Power/Other