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Intel Pga478 Data Sheet - Page 57

Table 15., Alphabetical Pin Listing Sheet 9 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 9 of 12) Pin Number Pin Name G24 G25 G26 H1 H2 H3 H4 H5 H6 H21 H22 H23 H24 H25 H26 J1 J2 J3 J4 J5 J6 J21 J22 J23 J24 J25 J26 K1 K2 K3 K4 K5 K6 K21 K22 K23 K24 K25 K26 L1 D[23]# VSS D[22]# VSS REQ[2]# REQ[1]# VSS TRDY# DBSY# VSS D[10]# D[13]# VSS DINV#[1] D[27]# A[4]# VSS REQ[3]# HITM# VSS DEFER# DSTBN[0]# D[11]# VSS D[26]# D[29]# VSS A[5]# A[7]# VSS MCERR# BPRI# VSS DSTBP[0]# VSS D[12]# D[25]# VSS D[28]# VSS Signal Buffer Type Direction Source Sync Power/Other Source Sync Power/Other Source Sync Source Sync Power/Other Common Clock Common Clock Power/Other Source Sync Source Sync Power/Other Source Sync Source Sync Source Sync Power/Other Source Sync Common Clock Power/Other Common Clock Source Sync Source Sync Power/Other Source Sync Source Sync Power/Other Source Sync Source Sync Power/Other Common Clock Common Clock Power/Other Source Sync Power/Other Source Sync Source Sync Power/Other Source Sync Power/Other Input/Output Input/Output Input/Output Input/Output Input Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input Input/Output Input/Output Input/Output Input/Output January 2007 Order Number: 315876-002 Intel® Celeron® Processor 1.66 GHz/1.83 GHz DS 57

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

G24

D[23]#

Source Sync

Input/Output

G25

VSS

Power/Other

G26

D[22]#

Source Sync

Input/Output

VSS

Power/Other

REQ[2]#

Source Sync

Input/Output

REQ[1]#

Source Sync

Input/Output

VSS

Power/Other

TRDY#

Common Clock

Input

DBSY#

Common Clock

Input/Output

H21

VSS

Power/Other

H22

D[10]#

Source Sync

Input/Output

H23

D[13]#

Source Sync

Input/Output

H24

VSS

Power/Other

H25

DINV#[1]

Source Sync

Input/Output

H26

D[27]#

Source Sync

Input/Output

A[4]#

Source Sync

Input/Output

VSS

Power/Other

REQ[3]#

Source Sync

Input/Output

HITM#

Common Clock

Input/Output

VSS

Power/Other

DEFER#

Common Clock

Input

J21

DSTBN[0]#

Source Sync

Input/Output

J22

D[11]#

Source Sync

Input/Output

J23

VSS

Power/Other

J24

D[26]#

Source Sync

Input/Output

J25

D[29]#

Source Sync

Input/Output

J26

VSS

Power/Other

A[5]#

Source Sync

Input/Output

A[7]#

Source Sync

Input/Output

VSS

Power/Other

MCERR#

Common Clock

Input/Output

BPRI#

Common Clock

Input

VSS

Power/Other

K21

DSTBP[0]#

Source Sync

Input/Output

K22

VSS

Power/Other

K23

D[12]#

Source Sync

Input/Output

K24

D[25]#

Source Sync

Input/Output

K25

VSS

Power/Other

K26

D[28]#

Source Sync

Input/Output

VSS

Power/Other

Table 15.

Alphabetical Pin Listing (Sheet 9 of 12)

Pin Number

Pin Name

Signal Buffer Type

Direction