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Intel Pga478 Data Sheet - Page 58

Table 15., Alphabetical Pin Listing Sheet 10 of 12

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Intel® Celeron® Processor 1.66 GHz/1.83 GHz-Package Mechanical Specifications and Pin Information Table 15. Alphabetical Pin Listing (Sheet 10 of 12) Pin Number Pin Name L2 L3 L4 L5 L6 L21 L22 L23 L24 L25 L26 M1 M2 M3 M4 M5 M6 M21 M22 M23 M24 M25 M26 N1 N2 N3 N4 N5 N6 N21 N22 N23 N24 N25 N26 P1 P2 P3 P4 P5 REQ[0]# A[6]# VSS RSVD ADS# VSS D[15]# D[14]# VSS D[30]# DP[0]# A[8]# VSS RSVD BR0# VSS ADSTB#[0] DSTBN[1#] D[24]# VSS DP[3]# DP[1]# VSS COMP[3] RSVD VSS A[11]# A[17]# VSS DSTBP[1]# VSS D[31]# D[36]# VSS D[34]# COMP[2] VSS A[9]# A[15]# VSS Signal Buffer Type Direction Source Sync Source Sync Power/Other Reserved Common Clock Power/Other Source Sync Source Sync Power/Other Source Sync Common Clock Source Sync Power/Other Reserved Common Clock Power/Other Source Sync Source Sync Source Sync Power/Other Common Clock Common Clock Power/Other Power/Other Reserved Power/Other Source Sync Source Sync Power/Other Source Sync Power/Other Source Sync Source Sync Power/Other Source Sync Power/Other Power/Other Source Sync Source Sync Power/Other 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 Input/Output Intel® Celeron® Processor 1.66 GHz/1.83 GHz DS 58 January 2007 Order Number: 315876-002

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—Package Mechanical Specifications and Pin

Information

Intel

Celeron

Processor 1.66 GHz/1.83 GHz

January 2007

Order Number: 315876-002

REQ[0]#

Source Sync

Input/Output

A[6]#

Source Sync

Input/Output

VSS

Power/Other

RSVD

Reserved

ADS#

Common Clock

Input/Output

L21

VSS

Power/Other

L22

D[15]#

Source Sync

Input/Output

L23

D[14]#

Source Sync

Input/Output

L24

VSS

Power/Other

L25

D[30]#

Source Sync

Input/Output

L26

DP[0]#

Common Clock

Input/Output

A[8]#

Source Sync

Input/Output

VSS

Power/Other

RSVD

Reserved

BR0#

Common Clock

Input/Output

VSS

Power/Other

ADSTB#[0]

Source Sync

Input/Output

M21

DSTBN[1#]

Source Sync

Input/Output

M22

D[24]#

Source Sync

Input/Output

M23

VSS

Power/Other

M24

DP[3]#

Common Clock

Input/Output

M25

DP[1]#

Common Clock

Input/Output

M26

VSS

Power/Other

COMP[3]

Power/Other

Input/Output

RSVD

Reserved

VSS

Power/Other

A[11]#

Source Sync

Input/Output

A[17]#

Source Sync

Input/Output

VSS

Power/Other

N21

DSTBP[1]#

Source Sync

Input/Output

N22

VSS

Power/Other

N23

D[31]#

Source Sync

Input/Output

N24

D[36]#

Source Sync

Input/Output

N25

VSS

Power/Other

N26

D[34]#

Source Sync

Input/Output

COMP[2]

Power/Other

Input/Output

VSS

Power/Other

A[9]#

Source Sync

Input/Output

A[15]#

Source Sync

Input/Output

VSS

Power/Other

Table 15.

Alphabetical Pin Listing (Sheet 10 of 12)

Pin Number

Pin Name

Signal Buffer Type

Direction