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Intel Pga478 Data Sheet - Page 55

Table 15., Alphabetical Pin Listing Sheet 7 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 7 of 12) Pin Number Pin Name D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 VSS VCC VCC VSS VCC VSS VCC VCC VSS VCC VCC VSS BSEL[1] D[0]# VSS D[7]# D[17]# VSS D[16]# VSS RS[1]# HIT# VSS SMI# IGNNE# VCC VSS VCC VCC VSS VCC VCC VSS VCC VSS VCC VCC VSS VCC VSS Signal Buffer Type Direction 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 Source Sync Power/Other Source Sync Source Sync Power/Other Source Sync Power/Other Common Clock Common Clock Power/Other CMOS CMOS 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 Output Input/Output Input/Output Input/Output Input/Output Input Input/Output Input Input January 2007 Order Number: 315876-002 Intel® Celeron® Processor 1.66 GHz/1.83 GHz DS 55

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

VSS

Power/Other

VCC

Power/Other

D10

VCC

Power/Other

D11

VSS

Power/Other

D12

VCC

Power/Other

D13

VSS

Power/Other

D14

VCC

Power/Other

D15

VCC

Power/Other

D16

VSS

Power/Other

D17

VCC

Power/Other

D18

VCC

Power/Other

D19

VSS

Power/Other

D20

BSEL[1]

CMOS

Output

D21

D[0]#

Source Sync

Input/Output

D22

VSS

Power/Other

D23

D[7]#

Source Sync

Input/Output

D24

D[17]#

Source Sync

Input/Output

D25

VSS

Power/Other

D26

D[16]#

Source Sync

Input/Output

VSS

Power/Other

RS[1]#

Common Clock

Input

HIT#

Common Clock

Input/Output

VSS

Power/Other

SMI#

CMOS

Input

IGNNE#

CMOS

Input

VCC

Power/Other

VSS

Power/Other

VCC

Power/Other

E10

VCC

Power/Other

E11

VSS

Power/Other

E12

VCC

Power/Other

E13

VCC

Power/Other

E14

VSS

Power/Other

E15

VCC

Power/Other

E16

VSS

Power/Other

E17

VCC

Power/Other

E18

VCC

Power/Other

E19

VSS

Power/Other

E20

VCC

Power/Other

E21

VSS

Power/Other

Table 15.

Alphabetical Pin Listing (Sheet 7 of 12)

Pin Number

Pin Name

Signal Buffer Type

Direction