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Contents
Datasheet
3
Contents
Introduction .................................................................................................................................... 11
Terminology ...................................................................................................................... 12
Electrical Specifications ................................................................................................................. 15
Front Side Bus and GTLREF............................................................................................ 15
Power and Ground Pins ................................................................................................... 15
Decoupling Guidelines......................................................................................................15
Front Side Bus Clock (BCLK[1:0]) and Processor Clocking ............................................. 16
Voltage Identification ....................................................................................................... 20
Reserved Or Unused Pins ................................................................................................ 22
Front Side Bus Signal Groups .......................................................................................... 22
Asynchronous GTL+ Signals ............................................................................................ 24
Maximum Ratings .............................................................................................................24
Processor DC Specifications ............................................................................................ 25
AGTL+ Front Side Bus Specifications .............................................................................. 31
Front Side Bus AC Specifications..................................................................................... 32
Front Side Bus Signal Quality Specifications ................................................................................45
Front Side Bus Clock (BCLK) Signal Quality Specifications and Measurement Guidelines.
.......................................................................................................................................... 45
Front Side Bus Signal Quality Specifications and Measurement Guidelines.................... 46
Front Side Bus Signal Quality Specifications and Measurement Guidelines.................... 50
Mechanical Specifications ............................................................................................................. 57
Signal Definitions ............................................................................................................. 84
Thermal Specifications .................................................................................................................. 95
Thermal Specifications ..................................................................................................... 96
Measurements for Thermal Specifications ....................................................................... 98
Features ........................................................................................................................................ 99
Power-On Configuration Options...................................................................................... 99
Clock Control and Low Power States ............................................................................... 99
Boxed Processor Specifications .................................................................................................. 115