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Intel Pga478 Data Sheet - Page 59

Table 15., Alphabetical Pin Listing Sheet 11 of 12

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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 11 of 12) Pin Number Pin Name P6 RSVD P21 VSS P22 D[33]# P23 D[32]# P24 VSS P25 DP[2]# P26 COMP[0] R1 VSS R2 A[12]# R3 A[16]# R4 VSS R5 RSVD R6 ADSTB[1]# R21 DSTBN[2]# R22 VSS R23 D[37]# R24 RSVD R25 VSS R26 COMP[1] T1 A[10]# T2 A[13]# T3 VSS T4 A[19]# T5 A[18]# T6 VSS T21 DSTBP[2]# T22 D[49]# T23 VSS T24 D[50]# T25 D[39]# T26 VSS U1 A[14]# U2 VSS U3 A[24]# U4 A[22]# U5 VSS U6 VCCP U21 VSS U22 D[48]# U23 D[52]# Signal Buffer Type Direction Reserved Power/Other Source Sync Source Sync Power/Other Common Clock Power/Other Power/Other Source Sync Source Sync Power/Other Reserved Source Sync Source Sync Power/Other Source Sync Reserved Power/Other Power/Other Source Sync Source Sync Power/Other Source Sync Source Sync Power/Other Source Sync Source Sync Power/Other Source Sync Source Sync Power/Other Source Sync Power/Other Source Sync Source Sync Power/Other Power/Other Power/Other Source Sync Source Sync Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output January 2007 Order Number: 315876-002 Intel® Celeron® Processor 1.66 GHz/1.83 GHz DS 59

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

RSVD

Reserved

P21

VSS

Power/Other

P22

D[33]#

Source Sync

Input/Output

P23

D[32]#

Source Sync

Input/Output

P24

VSS

Power/Other

P25

DP[2]#

Common Clock

Input/Output

P26

COMP[0]

Power/Other

Input/Output

VSS

Power/Other

A[12]#

Source Sync

Input/Output

A[16]#

Source Sync

Input/Output

VSS

Power/Other

RSVD

Reserved

ADSTB[1]#

Source Sync

Input/Output

R21

DSTBN[2]#

Source Sync

Input/Output

R22

VSS

Power/Other

R23

D[37]#

Source Sync

Input/Output

R24

RSVD

Reserved

R25

VSS

Power/Other

R26

COMP[1]

Power/Other

Input/Output

A[10]#

Source Sync

Input/Output

A[13]#

Source Sync

Input/Output

VSS

Power/Other

A[19]#

Source Sync

Input/Output

A[18]#

Source Sync

Input/Output

VSS

Power/Other

T21

DSTBP[2]#

Source Sync

Input/Output

T22

D[49]#

Source Sync

Input/Output

T23

VSS

Power/Other

T24

D[50]#

Source Sync

Input/Output

T25

D[39]#

Source Sync

Input/Output

T26

VSS

Power/Other

A[14]#

Source Sync

Input/Output

VSS

Power/Other

A[24]#

Source Sync

Input/Output

A[22]#

Source Sync

Input/Output

VSS

Power/Other

VCCP

Power/Other

U21

VSS

Power/Other

U22

D[48]#

Source Sync

Input/Output

U23

D[52]#

Source Sync

Input/Output

Table 15.

Alphabetical Pin Listing (Sheet 11 of 12)

Pin Number

Pin Name

Signal Buffer Type

Direction