Intel Pentium 4 BX80532PC1600D User Manual

                                               

   

3

 

.................................................................................................................. 7

Terminology........................................................................................................... 8
1.1.1

Processor Packaging Terminology........................................................... 8

........................................................................................ 11

System Bus and GTLREF ................................................................................... 11

Power and Ground Pins ...................................................................................... 11

Decoupling Guidelines ........................................................................................ 11
2.3.1

 

Decoupling ..................................................................................... 12

System Bus AGTL+ Decoupling............................................................. 12

System Bus Clock (BCLK[1:0]) and Processor Clocking ....................... 12

Voltage Identification ........................................................................................... 12
2.4.1

Phase Lock Loop (PLL) Power and Filter............................................... 13

Reserved, Unused Pins, and TESTHI[10:0]........................................................ 15

System Bus Signal Groups ................................................................................. 16

Asynchronous GTL+ Signals............................................................................... 17

Test Access Port (TAP) Connection.................................................................... 17

Maximum Ratings................................................................................................ 18

Processor DC Specifications............................................................................... 18

AGTL+ System Bus Specifications .....................................................................21

System Bus AC Specifications ............................................................................22

.................................................... 31

BCLK Signal Quality Specifications and Measurement Guidelines..................... 31

System Bus Signal Quality Specifications and Measurement Guidelines...........32

System Bus Signal Quality Specifications and Measurement Guidelines...........33
3.3.1

Overshoot/Undershoot Guidelines ......................................................... 33

Overshoot/Undershoot Magnitude ......................................................... 34

Overshoot/Undershoot Pulse Duration................................................... 34

Activity Factor .........................................................................................34

Reading Overshoot/Undershoot Specification Tables............................ 35

Determining if a System Meets the Over/Undershoot Specifications .....35

......................................................................... 43

........................................................................... 51